SkDraw.cpp revision a5572e5bb2a2bbeeb59de0741c2527869d365a0c
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2006 The Android Open Source Project 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com */ 7ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 88a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 98a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBounder.h" 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDevice.h" 141c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com#include "SkDeviceLooper.h" 152211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com#include "SkFixed.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkMaskFilter.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathEffect.h" 19045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com#include "SkRasterClip.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRasterizer.h" 21a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com#include "SkRRect.h" 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScan.h" 238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 24a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org#include "SkSmallAllocator.h" 2576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#include "SkString.h" 268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkStroke.h" 2732e5d97ccf60f859db063ebd6e903c362e625767reed@google.com#include "SkTLazy.h" 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkAutoKern.h" 318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBitmapProcShader.h" 328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDrawProcs.h" 33ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#include "SkMatrixUtils.h" 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 35a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//#define TRACE_BITMAP_DRAWS 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 39fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com/** Helper for allocating small blitters on the stack. 40fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com */ 4140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBlitterChoose : SkNoncopyable { 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 431d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkAutoBlitterChoose() { 441d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com fBlitter = NULL; 451d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose(const SkBitmap& device, const SkMatrix& matrix, 47126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkPaint& paint, bool drawCoverage = false) { 48a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org fBlitter = SkBlitter::Choose(device, matrix, paint, &fAllocator, 49a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org drawCoverage); 50e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org } 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* operator->() { return fBlitter; } 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* get() const { return fBlitter; } 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 551d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com void choose(const SkBitmap& device, const SkMatrix& matrix, 561d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com const SkPaint& paint) { 571d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkASSERT(!fBlitter); 58a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org fBlitter = SkBlitter::Choose(device, matrix, paint, &fAllocator); 591d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 601d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 62a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Owned by fAllocator, which will handle the delete. 63a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* fBlitter; 64a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 66e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBlitterChoose(...) SK_REQUIRE_LOCAL_VAR(SkAutoBlitterChoose) 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com/** 6940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * Since we are providing the storage for the shader (to avoid the perf cost 7040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * of calling new) we insist that in our destructor we can account for all 7140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * owners of the shader. 7240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com */ 7340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBitmapShaderInstall : SkNoncopyable { 748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 7540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint) 7640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com : fPaint(paint) /* makes a copy of the paint */ { 77a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org fPaint.setShader(CreateBitmapShader(src, SkShader::kClamp_TileMode, 78a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkShader::kClamp_TileMode, 79a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org &fAllocator)); 8040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // we deliberately left the shader with an owner-count of 2 8140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkASSERT(2 == fPaint.getShader()->getRefCnt()); 828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8382065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoBitmapShaderInstall() { 85a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // since fAllocator will destroy shader, we insist that owners == 2 86a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkASSERT(2 == fPaint.getShader()->getRefCnt()); 878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fPaint.setShader(NULL); // unref the shader by 1 898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9182065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 9240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // return the new paint that has the shader applied 9340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& paintWithShader() const { return fPaint; } 9482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 96a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // copy of caller's paint (which we then modify) 97a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkPaint fPaint; 98a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Stores the shader. 99a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 101e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBitmapShaderInstall(...) SK_REQUIRE_LOCAL_VAR(SkAutoBitmapShaderInstall) 1028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 105f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comSkDraw::SkDraw() { 106f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com sk_bzero(this, sizeof(*this)); 107f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com} 108f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 1098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw::SkDraw(const SkDraw& src) { 1108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memcpy(this, &src, sizeof(*this)); 1118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1134bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.combool SkDraw::computeConservativeLocalClipBounds(SkRect* localBounds) const { 1144bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (fRC->isEmpty()) { 1154bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1164bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1174bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1184bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkMatrix inverse; 1194bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (!fMatrix->invert(&inverse)) { 1204bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1214bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1224bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1234bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkIRect devBounds = fRC->getBounds(); 1244bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com // outset to have slop for antialasing and hairlines 1254bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com devBounds.outset(1, 1); 1264bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com inverse.mapRect(localBounds, SkRect::Make(devBounds)); 1274bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return true; 1284bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com} 1294bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*BitmapXferProc)(void* pixels, size_t bytes, uint32_t data); 1338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Clear_BitmapXferProc(void* pixels, size_t bytes, uint32_t) { 1354516f4786f5dda1b86a8f825b9e8e910d9c2363creed@android.com sk_bzero(pixels, bytes); 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Dst_BitmapXferProc(void*, size_t, uint32_t data) {} 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D32_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 141a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org sk_memset32((uint32_t*)pixels, data, SkToInt(bytes >> 2)); 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D16_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 145a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org sk_memset16((uint16_t*)pixels, data, SkToInt(bytes >> 1)); 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void DA8_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(pixels, data, bytes); 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap, 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t* data) { 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // todo: we can apply colorfilter up front if no shader, so we wouldn't 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to abort this fastpath 1578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getShader() || paint.getColorFilter()) { 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 161845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com SkXfermode::Mode mode; 162be2aa2aa1f8bf73d974bdd9438fc741bbf0cfbe6mike@reedtribe.org if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { 1638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 165a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor color = paint.getColor(); 167a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // collaps modes based on color... 169845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com if (SkXfermode::kSrcOver_Mode == mode) { 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned alpha = SkColorGetA(color); 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == alpha) { 172845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kDst_Mode; 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (0xFF == alpha) { 174845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kSrc_Mode; 1758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 177a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 179845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kClear_Mode: 1808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Clear_BitmapXferProc\n"); 1818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Clear_BitmapXferProc; // ignore data 182845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kDst_Mode: 1838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Dst_BitmapXferProc\n"); 1848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Dst_BitmapXferProc; // ignore data 185845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kSrc_Mode: { 1868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 187a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com should I worry about dithering for the lower depths? 1888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor pmc = SkPreMultiplyColor(color); 190900ecf2f1579d42c9d2959831787af0346320f86reed@google.com switch (bitmap.colorType()) { 191900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kPMColor_SkColorType: 1928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = pmc; 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D32_Src_BitmapXferProc\n"); 1968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D32_Src_BitmapXferProc; 197900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel16(pmc); 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 203900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkGetPackedA32(pmc); 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- DA8_Src_BitmapXferProc\n"); 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return DA8_Src_BitmapXferProc; 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 2188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void CallBitmapXferProc(const SkBitmap& bitmap, const SkIRect& rect, 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com BitmapXferProc proc, uint32_t procData) { 2228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int shiftPerPixel; 223900ecf2f1579d42c9d2959831787af0346320f86reed@google.com switch (bitmap.colorType()) { 224900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kPMColor_SkColorType: 2258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 2; 2268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 227900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 1; 2298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 230900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 0; 2328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2340c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("Can't use xferproc on this config"); 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint8_t* pixels = (uint8_t*)bitmap.getPixels(); 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pixels); 2408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t rowBytes = bitmap.rowBytes(); 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const int widthBytes = rect.width() << shiftPerPixel; 2428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // skip down to the first scanline and X position 2448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rect.fTop * rowBytes + (rect.fLeft << shiftPerPixel); 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int scans = rect.height() - 1; scans >= 0; --scans) { 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(pixels, widthBytes, procData); 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rowBytes; 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPaint(const SkPaint& paint) const { 252f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 254045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devRect; 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devRect.set(0, 0, fBitmap->width(), fBitmap->height()); 2608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(devRect)) { 2618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 263a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 264045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 265045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com /* If we don't have a shader (i.e. we're just a solid color) we may 266045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com be faster to operate directly on the device bitmap, rather than invoking 267045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com a blitter. Esp. true for xfermodes, which require a colorshader to be 268045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com present, which is just redundant work. Since we're drawing everywhere 269045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com in the clip, we don't have to worry about antialiasing. 270045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com */ 271045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t procData = 0; // to avoid the warning 272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com BitmapXferProc proc = ChooseBitmapXferProc(*fBitmap, paint, &procData); 273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (proc) { 274045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (D_Dst_BitmapXferProc == proc) { // nothing to do 275045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 276045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 277a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 278045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRegion::Iterator iter(fRC->bwRgn()); 279045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com while (!iter.done()) { 280045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com CallBitmapXferProc(*fBitmap, iter.rect(), proc, procData); 281045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com iter.next(); 282045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 283045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 2848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 286045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 287045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // normal case: use a blitter 288045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 289045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(devRect, *fRC, blitter.get()); 2908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 2938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct PtProcRec { 2958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas::PointMode fMode; 2968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint* fPaint; 2978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRegion* fClip; 298045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip* fRC; 299a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // computed values 3018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fRadius; 302a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const PtProcRec&, const SkPoint devPts[], int count, 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 3058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool init(SkCanvas::PointMode, const SkPaint&, const SkMatrix* matrix, 307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip*); 308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com Proc chooseProc(SkBlitter** blitter); 309045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comprivate: 311045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper fWrapper; 3128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(rec.fClip->isRect()); 3178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkIRect& r = rec.fClip->getBounds(); 318a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3202d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3212d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_16_hair_proc(const PtProcRec& rec, 3298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint devPts[], int count, 3308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter) { 331045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(rec.fRC->isRect()); 332045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 3348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(bitmap); 336c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint16_t* addr = bitmap->getAddr16(0, 0); 338e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com size_t rb = bitmap->rowBytes(); 339c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3412d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3422d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ((uint16_t*)((char*)addr + y * rb))[x] = SkToU16(value); 3458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3492d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.comstatic void bw_pt_rect_32_hair_proc(const PtProcRec& rec, 3502d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkPoint devPts[], int count, 3512d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkBlitter* blitter) { 3522d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(rec.fRC->isRect()); 3532d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3542d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com uint32_t value; 3552d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3562d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(bitmap); 357c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3582d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkPMColor* addr = bitmap->getAddr32(0, 0); 359e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com size_t rb = bitmap->rowBytes(); 360c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3612d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com for (int i = 0; i < count; i++) { 3622d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3632d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3642d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (r.contains(x, y)) { 3652d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com ((SkPMColor*)((char*)addr + y * rb))[x] = value; 3662d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3672d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3682d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com} 3692d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com 3708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 373e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 374e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (rec.fClip->contains(x, y)) { 3768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 384045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 3858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 391045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 3928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// aa versions 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 400045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 407045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// square procs (strokeWidth > 0 but matrix is square-scale (sx == sy) 4128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 419c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 4208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 425c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 426045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillXRect(r, *rec.fRC, blitter); 4278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 436a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 4378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 442a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 443045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiFillXRect(r, *rec.fRC, blitter); 4448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 447b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com// If this guy returns true, then chooseProc() must return a valid proc 4488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool PtProcRec::init(SkCanvas::PointMode mode, const SkPaint& paint, 449045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkMatrix* matrix, const SkRasterClip* rc) { 4508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect()) { 4518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.getStrokeWidth(); 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == width) { 4558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 457045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 458045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4592d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com fRadius = SK_FixedHalf; 4608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 462b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com if (paint.getStrokeCap() != SkPaint::kRound_Cap && 463b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com matrix->rectStaysRect() && SkCanvas::kPoints_PointMode == mode) { 4648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = matrix->get(SkMatrix::kMScaleX); 4658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = matrix->get(SkMatrix::kMScaleY); 4668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkScalarNearlyZero(sx - sy)) { 4678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (sx < 0) { 4688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sx = -sx; 4698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 473045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 474045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRadius = SkScalarToFixed(SkScalarMul(width, sx)) >> 1; 4768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 482045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comPtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) { 483b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com Proc proc = NULL; 484a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 485045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = *blitterPtr; 486045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 487045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fRC->bwRgn(); 488045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 489045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fWrapper.init(*fRC, blitter); 490045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fWrapper.getRgn(); 491045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = fWrapper.getBlitter(); 492045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com *blitterPtr = blitter; 493045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 494045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 4958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // for our arrays 4968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == SkCanvas::kPoints_PointMode); 4978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == SkCanvas::kLines_PointMode); 4988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(2 == SkCanvas::kPolygon_PointMode); 4998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)fMode <= (unsigned)SkCanvas::kPolygon_PointMode); 5008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5012d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fPaint->isAntiAlias()) { 5022d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (0 == fPaint->getStrokeWidth()) { 5038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const Proc gAAProcs[] = { 5048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com aa_square_proc, aa_line_hair_proc, aa_poly_hair_proc 5058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gAAProcs[fMode]; 5072d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (fPaint->getStrokeCap() != SkPaint::kRound_Cap) { 5082d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(SkCanvas::kPoints_PointMode == fMode); 5092d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = aa_square_proc; 5102d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 5112d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else { // BW 5122d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fRadius <= SK_FixedHalf) { // small radii and hairline 5138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) { 5148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 5158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bm = blitter->justAnOpaqueColor(&value); 516900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bm && kRGB_565_SkColorType == bm->colorType()) { 5178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_16_hair_proc; 518900ecf2f1579d42c9d2959831787af0346320f86reed@google.com } else if (bm && kPMColor_SkColorType == bm->colorType()) { 5192d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = bw_pt_rect_32_hair_proc; 5208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_hair_proc; 5228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static Proc gBWProcs[] = { 5258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bw_pt_hair_proc, bw_line_hair_proc, bw_poly_hair_proc 5268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gBWProcs[fMode]; 5288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_square_proc; 5318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return proc; 5348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool bounder_points(SkBounder* bounder, SkCanvas::PointMode mode, 5378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t count, const SkPoint pts[], 5388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, const SkMatrix& matrix) { 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect ibounds; 5408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect bounds; 5418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar inset = paint.getStrokeWidth(); 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 543a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org bounds.set(pts, SkToInt(count)); 5448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.inset(-inset, -inset); 5458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapRect(&bounds); 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.roundOut(&ibounds); 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return bounder->doIRect(ibounds); 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// each of these costs 8-bytes of stack space, so don't make it too large 5528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// must be even for lines/polygon to work 5538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define MAX_DEV_PTS 32 5548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count, 556f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkPoint pts[], const SkPaint& paint, 557f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com bool forceUseDevice) const { 5588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we're in lines mode, force count to be even 5598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kLines_PointMode == mode) { 5608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count &= ~(size_t)1; 5618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((long)count <= 0) { 5648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 566a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pts != NULL); 568f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 569a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 571045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 5728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 575fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com if (fBounder) { 576fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com if (!bounder_points(fBounder, mode, count, pts, paint, *fMatrix)) { 577fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return; 578fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com } 579fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 580fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com // clear the bounder and call this again, so we don't invoke the bounder 581fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com // later if we happen to call ourselves for drawRect, drawPath, etc. 582fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com SkDraw noBounder(*this); 583fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com noBounder.fBounder = NULL; 584fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com noBounder.drawPoints(mode, count, pts, paint, forceUseDevice); 585fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return; 586fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com } 587fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 5888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com PtProcRec rec; 589045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) { 5908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 5918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint devPts[MAX_DEV_PTS]; 5938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 5948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* bltr = blitter.get(); 595045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com PtProcRec::Proc proc = rec.chooseProc(&bltr); 5968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // we have to back up subsequent passes if we're in polygon mode 5978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t backup = (SkCanvas::kPolygon_PointMode == mode); 598a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com do { 600a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org int n = SkToInt(count); 6018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (n > MAX_DEV_PTS) { 6028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n = MAX_DEV_PTS; 6038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix->mapPoints(devPts, pts, n); 6058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(rec, devPts, n, bltr); 6068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts += n - backup; 607a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org SkASSERT(SkToInt(count) >= n); 6088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= n; 6098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (count > 0) { 6108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += backup; 6118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } while (count != 0); 6138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 6158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPoints_PointMode: { 6168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // temporarily mark the paint as filling. 61740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint newPaint(paint); 61840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com newPaint.setStyle(SkPaint::kFill_Style); 6198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 62040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkScalar width = newPaint.getStrokeWidth(); 6218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar radius = SkScalarHalf(width); 622a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 62340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 6248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 6258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix preMatrix; 626a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.addCircle(0, 0, radius); 6288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com preMatrix.setTranslate(pts[i].fX, pts[i].fY); 6308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // pass true for the last point, since we can modify 6318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // then path then 632f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 63340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawPath(*this, path, newPaint, &preMatrix, 634f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com (count-1) == i); 635f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 63640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawPath(path, newPaint, &preMatrix, 63740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com (count-1) == i); 638f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 642a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = pts[i].fX - radius; 6458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = pts[i].fY - radius; 6468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = r.fLeft + width; 6478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = r.fTop + width; 648f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 64940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawRect(*this, r, newPaint); 650f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 65140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawRect(r, newPaint); 652f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 6568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kLines_PointMode: 658629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#ifndef SK_DISABLE_DASHING_OPTIMIZATION 659629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com if (2 == count && NULL != paint.getPathEffect()) { 660629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // most likely a dashed line - see if it is one of the ones 661629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // we can accelerate 662629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkStrokeRec rec(paint); 6636d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkPathEffect::PointData pointData; 664629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 665629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPath path; 666629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.moveTo(pts[0]); 667629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.lineTo(pts[1]); 668629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6694bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect = SkRect::Make(fRC->getBounds()); 6704024f32d99b63a599c544a49f526e53c25135159skia.committer@gmail.com 6714bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (paint.getPathEffect()->asPoints(&pointData, path, rec, 6724bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com *fMatrix, &cullRect)) { 6736d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // 'asPoints' managed to find some fast path 6746d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 675629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPaint newP(paint); 676629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com newP.setPathEffect(NULL); 677935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com newP.setStyle(SkPaint::kFill_Style); 678629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6796d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fFirst.isEmpty()) { 6806d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6816d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fFirst, newP); 6826d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6836d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fFirst, newP); 6846d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 685629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 6866d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6876d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fLast.isEmpty()) { 6886d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6896d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fLast, newP); 6906d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6916d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fLast, newP); 6926d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6936d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6946d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6956d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (pointData.fSize.fX == pointData.fSize.fY) { 6966d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line can just be drawn as points 6976d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkASSERT(pointData.fSize.fX == SkScalarHalf(newP.getStrokeWidth())); 6986d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6996d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (SkPathEffect::PointData::kCircles_PointFlag & pointData.fFlags) { 7006d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kRound_Cap); 7016d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7026d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kButt_Cap); 7036d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7046d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7056d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7067a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com fDevice->drawPoints(*this, 7076d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkCanvas::kPoints_PointMode, 7086d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 7096d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 7106d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP); 7116d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7126d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPoints(SkCanvas::kPoints_PointMode, 7136d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 7146d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 7156d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP, 7166d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com forceUseDevice); 7176d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7186d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com break; 719935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } else { 7206d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line must be drawn as rects 7217a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com SkASSERT(!(SkPathEffect::PointData::kCircles_PointFlag & 7226d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fFlags)); 7236d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7246d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkRect r; 7256d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7266d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com for (int i = 0; i < pointData.fNumPoints; ++i) { 7276d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com r.set(pointData.fPoints[i].fX - pointData.fSize.fX, 7286d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY - pointData.fSize.fY, 7296d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fX + pointData.fSize.fX, 7306d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY + pointData.fSize.fY); 7316d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7326d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawRect(*this, r, newP); 7336d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7346d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawRect(r, newP); 7356d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7366d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 737935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } 7386d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 739629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com break; 740629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 741629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 742629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#endif // DISABLE_DASHING_OPTIMIZATION 743629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // couldn't take fast path so fall through! 7448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPolygon_PointMode: { 7458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= 1; 7468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 7478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 7488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setStyle(SkPaint::kStroke_Style); 7498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t inc = (SkCanvas::kLines_PointMode == mode) ? 2 : 1; 7508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i += inc) { 7518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.moveTo(pts[i]); 7528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.lineTo(pts[i+1]); 753f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 754f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fDevice->drawPath(*this, path, p, NULL, true); 755f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 756f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com this->drawPath(path, p, NULL, true); 757f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 7588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.rewind(); 7598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 7618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 766761fb62b0eb174783316d2a8b933fba896ca6355reed@google.comstatic bool easy_rect_join(const SkPaint& paint, const SkMatrix& matrix, 767761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint* strokeSize) { 768761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com if (SkPaint::kMiter_Join != paint.getStrokeJoin() || 769761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com paint.getStrokeMiter() < SK_ScalarSqrt2) { 770761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return false; 771761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com } 772fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 773761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkASSERT(matrix.rectStaysRect()); 774761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint pt = { paint.getStrokeWidth(), paint.getStrokeWidth() }; 775761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com matrix.mapVectors(strokeSize, &pt, 1); 7766115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fX = SkScalarAbs(strokeSize->fX); 7776115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fY = SkScalarAbs(strokeSize->fY); 778761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return true; 7797ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org} 7807ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 78162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comSkDraw::RectType SkDraw::ComputeRectType(const SkPaint& paint, 78262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const SkMatrix& matrix, 78362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint* strokeSize) { 7847ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org RectType rtype; 7857ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org const SkScalar width = paint.getStrokeWidth(); 78662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const bool zeroWidth = (0 == width); 7877ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::Style style = paint.getStyle(); 788fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7897ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if ((SkPaint::kStrokeAndFill_Style == style) && zeroWidth) { 7907ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org style = SkPaint::kFill_Style; 7917ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 792fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect() || paint.getMaskFilter() || 79462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com paint.getRasterizer() || !matrix.rectStaysRect() || 7957ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::kStrokeAndFill_Style == style) { 79662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com rtype = kPath_RectType; 79762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (SkPaint::kFill_Style == style) { 7987ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kFill_RectType; 7997ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else if (zeroWidth) { 8007ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kHair_RectType; 80162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (easy_rect_join(paint, matrix, strokeSize)) { 8027ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kStroke_RectType; 8037ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 8047ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kPath_RectType; 8057ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 80662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return rtype; 80762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com} 80862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8097324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic const SkPoint* rect_points(const SkRect& r) { 810fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<const SkPoint*>(&r); 8117324415759fe0c5a0902877b664aa942a89bd940reed@google.com} 8127324415759fe0c5a0902877b664aa942a89bd940reed@google.com 8137324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic SkPoint* rect_points(SkRect& r) { 814fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<SkPoint*>(&r); 81540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com} 81640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com 81762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comvoid SkDraw::drawRect(const SkRect& rect, const SkPaint& paint) const { 81862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkDEBUGCODE(this->validate();) 8197ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 82062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com // nothing to draw 821045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 82262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return; 82362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } 82462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 82562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint strokeSize; 82662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com RectType rtype = ComputeRectType(paint, *fMatrix, &strokeSize); 82762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8287ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (kPath_RectType == rtype) { 8298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmp; 8308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.addRect(rect); 8318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.setFillType(SkPath::kWinding_FillType); 832187d5595901d1120d9425851e5afdd773f574502reed@android.com this->drawPath(tmp, paint, NULL, true); 8338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix = *fMatrix; 8378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect devRect; 8388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform rect into devRect 8407324415759fe0c5a0902877b664aa942a89bd940reed@google.com matrix.mapPoints(rect_points(devRect), rect_points(rect), 2); 8417324415759fe0c5a0902877b664aa942a89bd940reed@google.com devRect.sort(); 8428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doRect(devRect, paint)) { 8448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // look for the quick exit, before we build a blitter 8481c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkIRect ir; 8491c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com devRect.roundOut(&ir); 8501c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.getStyle() != SkPaint::kFill_Style) { 8511c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // extra space for hairlines 8521c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com ir.inset(-1, -1); 8531c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8541c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (fRC->quickReject(ir)) { 8551c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com return; 8568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8581c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkDeviceLooper looper(*fBitmap, *fRC, ir, paint.isAntiAlias()); 8591c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com while (looper.next()) { 8601c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkRect localDevRect; 8611c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com looper.mapRect(&localDevRect, devRect); 8621c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkMatrix localMatrix; 8631c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com looper.mapMatrix(&localMatrix, matrix); 8641c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 8651c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkAutoBlitterChoose blitterStorage(looper.getBitmap(), localMatrix, 8661c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com paint); 8671c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com const SkRasterClip& clip = looper.getRC(); 8681c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkBlitter* blitter = blitterStorage.get(); 8691c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 8701c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // we want to "fill" if we are kFill or kStrokeAndFill, since in the latter 8711c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // case we are also hairline (if we've gotten to here), which devolves to 8721c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // effectively just kFill 8731c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com switch (rtype) { 8741c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kFill_RectType: 8751c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8761c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFillRect(localDevRect, clip, blitter); 8771c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8781c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FillRect(localDevRect, clip, blitter); 8791c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8801c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8811c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kStroke_RectType: 8821c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8831c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFrameRect(localDevRect, strokeSize, clip, blitter); 8841c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8851c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FrameRect(localDevRect, strokeSize, clip, blitter); 8861c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8871c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8881c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kHair_RectType: 8891c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8901c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiHairRect(localDevRect, clip, blitter); 8911c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8921c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::HairRect(localDevRect, clip, blitter); 8931c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8941c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8951c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com default: 8961c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkDEBUGFAIL("bad rtype"); 8971c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const { 9028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (srcM.fBounds.isEmpty()) { 9038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9060a60b3d32eae945688b69599f11679662657f751bungeman@google.com const SkMask* mask = &srcM; 9078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9080a60b3d32eae945688b69599f11679662657f751bungeman@google.com SkMask dstM; 9098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getMaskFilter() && 9108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.getMaskFilter()->filterMask(&dstM, srcM, *fMatrix, NULL)) { 9118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask = &dstM; 912bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com } else { 913bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com dstM.fImage = NULL; 9148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 91502f55841854ae32f21a13417e9ee711463e488cfbungeman@google.com SkAutoMaskFreeImage ami(dstM.fImage); 9168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(mask->fBounds)) { 9188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 921045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser(*fBitmap, *fMatrix, paint); 922045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = blitterChooser.get(); 923045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 924045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 925045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRegion* clipRgn; 9268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 927045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 928045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &fRC->bwRgn(); 929045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 930045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 931045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &wrapper.getRgn(); 932045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 933045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 934045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter->blitMaskRegion(*mask, *clipRgn); 9358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 937ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.comstatic SkScalar fast_len(const SkVector& vec) { 938ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar x = SkScalarAbs(vec.fX); 939ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar y = SkScalarAbs(vec.fY); 940ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com if (x < y) { 941ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkTSwap(x, y); 942ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 943ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return x + SkScalarHalf(y); 944ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 945ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 946ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.comstatic bool xfermodeSupportsCoverageAsAlpha(SkXfermode* xfer) { 947ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com SkXfermode::Coeff dc; 948ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (!SkXfermode::AsCoeff(xfer, NULL, &dc)) { 949ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 950ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 951fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 952ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com switch (dc) { 953ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kOne_Coeff: 954ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISA_Coeff: 955ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISC_Coeff: 956ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return true; 957ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com default: 958ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 959ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 960ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com} 961ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 962e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.orgbool SkDrawTreatAAStrokeAsHairline(SkScalar strokeWidth, const SkMatrix& matrix, 963e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkScalar* coverage) { 964e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkASSERT(strokeWidth > 0); 965e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org // We need to try to fake a thick-stroke with a modulated hairline. 966ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 9678d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com if (matrix.hasPerspective()) { 968ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 969ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 970ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 971ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkVector src[2], dst[2]; 972ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[0].set(strokeWidth, 0); 973ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[1].set(0, strokeWidth); 974ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com matrix.mapVectors(dst, src, 2); 975ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len0 = fast_len(dst[0]); 976ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len1 = fast_len(dst[1]); 977652807bbc8c57e5fa9622126b51fd369f5c67935agl@chromium.org if (len0 <= SK_Scalar1 && len1 <= SK_Scalar1) { 978e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org if (NULL != coverage) { 979e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org *coverage = SkScalarAve(len0, len1); 980e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org } 981ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return true; 982ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 983ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 984ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 985ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 986a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comvoid SkDraw::drawRRect(const SkRRect& rrect, const SkPaint& paint) const { 987a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkDEBUGCODE(this->validate()); 988a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 989a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (fRC->isEmpty()) { 990a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; 991a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 992a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 993a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com { 994a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // TODO: Investigate optimizing these options. They are in the same 995a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // order as SkDraw::drawPath, which handles each case. It may be 996a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // that there is no way to optimize for these using the SkRRect path. 997a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkScalar coverage; 998a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (SkDrawTreatAsHairline(paint, *fMatrix, &coverage)) { 999a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 1000a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1001a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 1002a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getPathEffect() || paint.getStyle() != SkPaint::kFill_Style) { 1003a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 1004a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1005a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 1006a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getRasterizer()) { 1007a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 1008a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1009a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1010a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 1011a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getMaskFilter()) { 1012a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Transform the rrect into device space. 1013a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkRRect devRRect; 1014a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (rrect.transform(*fMatrix, &devRRect)) { 1015a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 1016a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getMaskFilter()->filterRRect(devRRect, *fMatrix, *fRC, 1017a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com fBounder, blitter.get(), 1018a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPaint::kFill_Style)) { 1019a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; // filterRRect() called the blitter, so we're done 1020a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1021a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1022a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1023a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 1024a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comDRAW_PATH: 1025a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Now fall back to the default case of using a path. 1026a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPath path; 1027a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com path.addRRect(rrect); 1028a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com this->drawPath(path, paint, NULL, true); 1029a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com} 1030a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 103132e5d97ccf60f859db063ebd6e903c362e625767reed@google.comvoid SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint, 1032126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkMatrix* prePathMatrix, bool pathIsMutable, 1033126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com bool drawCoverage) const { 1034f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 10358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1037045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 10388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* pathPtr = (SkPath*)&origSrcPath; 10428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool doFill = true; 10438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmpPath; 10448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix tmpMatrix; 10458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 10468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (prePathMatrix) { 104832e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (origPaint.getPathEffect() || origPaint.getStyle() != SkPaint::kFill_Style || 104932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com origPaint.getRasterizer()) { 10508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* result = pathPtr; 1051a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!pathIsMutable) { 10538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com result = &tmpPath; 10548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathIsMutable = true; 10558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*prePathMatrix, result); 10578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = result; 10588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 10598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!tmpMatrix.setConcat(*matrix, *prePathMatrix)) { 10608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overflow 10618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix = &tmpMatrix; 10648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // at this point we're done with prePathMatrix 10678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) 1068a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10695dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1070a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1071ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com { 1072dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar coverage; 1073dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SkDrawTreatAsHairline(origPaint, *matrix, &coverage)) { 1074dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SK_Scalar1 == coverage) { 10755dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com paint.writable()->setStrokeWidth(0); 1076dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } else if (xfermodeSupportsCoverageAsAlpha(origPaint.getXfermode())) { 1077dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com U8CPU newAlpha; 1078dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#if 0 1079dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = SkToU8(SkScalarRoundToInt(coverage * 1080dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com origPaint.getAlpha())); 1081dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#else 1082dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // this is the old technique, which we preserve for now so 1083dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // we don't change previous results (testing) 1084dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // the new way seems fine, its just (a tiny bit) different 1085dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com int scale = (int)SkScalarMul(coverage, 256); 1086dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = origPaint.getAlpha() * scale >> 8; 1087dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#endif 10885dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkPaint* writablePaint = paint.writable(); 10895dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setStrokeWidth(0); 10905dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setAlpha(newAlpha); 1091dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } 10928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1094a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 109532e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { 10964bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect; 10974bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com const SkRect* cullRectPtr = NULL; 10984bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (this->computeConservativeLocalClipBounds(&cullRect)) { 10994bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com cullRectPtr = &cullRect; 11004bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 11014bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com doFill = paint->getFillPath(*pathPtr, &tmpPath, cullRectPtr); 11028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = &tmpPath; 11038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1104a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 110532e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()) { 11068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 110732e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()->rasterize(*pathPtr, *matrix, 1108045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com &fRC->getBounds(), paint->getMaskFilter(), &mask, 11098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::kComputeBoundsAndRenderImage_CreateMode)) { 111032e5d97ccf60f859db063ebd6e903c362e625767reed@google.com this->drawDevMask(mask, *paint); 11118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::FreeImage(mask.fImage); 11128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // avoid possibly allocating a new path in transform if we can 11178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; 11188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform the path into device space 11208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*matrix, devPathPtr); 11218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1122126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, *paint, drawCoverage); 11238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11242ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()) { 1125fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkPaint::Style style = doFill ? SkPaint::kFill_Style : 11262ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::kStroke_Style; 11272ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()->filterPath(*devPathPtr, *fMatrix, *fRC, 11282ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org fBounder, blitter.get(), 11292ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org style)) { 11302ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org return; // filterPath() called the blitter, so we're done 11312ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org } 11328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 113432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (fBounder && !fBounder->doPath(*devPathPtr, *paint, doFill)) { 11358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1138045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); 11398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 114032e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1141045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiFillPath; 11428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1143045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::FillPath; 11448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 114632e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1147045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiHairPath; 11488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1149045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::HairPath; 11508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1152045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc(*devPathPtr, *fRC, blitter.get()); 11538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11550baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com/** For the purposes of drawing bitmaps, if a matrix is "almost" translate 11560baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com go ahead and treat it as if it were, so that subsequent code can go fast. 11570baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com */ 11580baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.comstatic bool just_translate(const SkMatrix& matrix, const SkBitmap& bitmap) { 1159070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com unsigned bits = 0; // TODO: find a way to allow the caller to tell us to 1160070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com // respect filtering. 1161070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com return SkTreatAsSprite(matrix, bitmap.width(), bitmap.height(), bits); 11628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmapAsMask(const SkBitmap& bitmap, 11658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1166900ecf2f1579d42c9d2959831787af0346320f86reed@google.com SkASSERT(bitmap.colorType() == kAlpha_8_SkColorType); 11678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1168a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com if (just_translate(*fMatrix, bitmap)) { 1169e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(fMatrix->getTranslateX()); 1170e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(fMatrix->getTranslateY()); 11718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1172a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com SkAutoLockPixels alp(bitmap); 1173a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com if (!bitmap.readyToDraw()) { 1174a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com return; 1175a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com } 1176a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com 11778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 11788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 11798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 1180e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com mask.fRowBytes = SkToU32(bitmap.rowBytes()); 11818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = bitmap.getAddr8(0, 0); 1182a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 11848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // need to xform the bitmap first 11858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 11868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1187a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, 11898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); 11908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapRect(&r); 11918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.round(&mask.fBounds); 1192a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // set the mask's bounds to the transformed bitmap-bounds, 11948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // clipped to the actual device 11958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 11968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devBounds; 11978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devBounds.set(0, 0, fBitmap->width(), fBitmap->height()); 11988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need intersect(l, t, r, b) on irect 11998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!mask.fBounds.intersect(devBounds)) { 12008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1203543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com 12048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 12058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = SkAlign4(mask.fBounds.width()); 1206543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask.computeImageSize(); 1207543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 1208543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // the mask is too big to allocated, draw nothing 1209543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return; 1210543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 12118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // allocate (and clear) our temp buffer to hold the transformed bitmap 12138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoMalloc storage(size); 12148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = (uint8_t*)storage.get(); 12158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask.fImage, 0, size); 1216a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now draw our bitmap(src) into mask(dst), transformed by the matrix 12188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 12198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap device; 12208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com device.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), 12218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.height(), mask.fRowBytes); 12228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com device.setPixels(mask.fImage); 1223a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas c(device); 12258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need the unclipped top/left for the translate 12268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.translate(-SkIntToScalar(mask.fBounds.fLeft), 12278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 12288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.concat(*fMatrix); 12293469c76c40790b409621fd7eff34f56240718549reed@android.com 12303469c76c40790b409621fd7eff34f56240718549reed@android.com // We can't call drawBitmap, or we'll infinitely recurse. Instead 1231fb12c3e6ba84f95dc15fbaddc239dede0ba1d60ereed@android.com // we manually build a shader and draw that into our new mask 12323469c76c40790b409621fd7eff34f56240718549reed@android.com SkPaint tmpPaint; 12333469c76c40790b409621fd7eff34f56240718549reed@android.com tmpPaint.setFlags(paint.getFlags()); 123440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, tmpPaint); 12353469c76c40790b409621fd7eff34f56240718549reed@android.com SkRect rr; 12363469c76c40790b409621fd7eff34f56240718549reed@android.com rr.set(0, 0, SkIntToScalar(bitmap.width()), 12373469c76c40790b409621fd7eff34f56240718549reed@android.com SkIntToScalar(bitmap.height())); 123840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com c.drawRect(rr, install.paintWithShader()); 12398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 12418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1244045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& m, const SkRasterClip& c, 12458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRect& srcR) { 12468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect dstR; 12478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devIR; 1248a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.mapRect(&dstR, srcR); 1250a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com dstR.roundOut(&devIR); 12518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return c.quickReject(devIR); 12528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1254045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& matrix, const SkRasterClip& clip, 12558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int width, int height) { 12568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height)); 12588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return clipped_out(matrix, clip, r); 12598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1261045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipHandlesSprite(const SkRasterClip& clip, int x, int y, 1262045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkBitmap& bitmap) { 1263045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return clip.isBW() || 1264045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.quickContains(x, y, x + bitmap.width(), y + bitmap.height()); 1265045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1266045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 12678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix, 126840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1269f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 12708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1274900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 12758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1277a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 127840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 127940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 1280a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 12828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!matrix.setConcat(*fMatrix, prematrix)) { 12838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1286045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipped_out(matrix, *fRC, bitmap.width(), bitmap.height())) { 12878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1290218521e15706c4377b1be49d931c4d7c8d597445reed@android.com if (fBounder && just_translate(matrix, bitmap)) { 1291218521e15706c4377b1be49d931c4d7c8d597445reed@android.com SkIRect ir; 1292e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int32_t ix = SkScalarRoundToInt(matrix.getTranslateX()); 1293e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int32_t iy = SkScalarRoundToInt(matrix.getTranslateY()); 1294218521e15706c4377b1be49d931c4d7c8d597445reed@android.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1295218521e15706c4377b1be49d931c4d7c8d597445reed@android.com if (!fBounder->doIRect(ir)) { 1296218521e15706c4377b1be49d931c4d7c8d597445reed@android.com return; 1297218521e15706c4377b1be49d931c4d7c8d597445reed@android.com } 1298218521e15706c4377b1be49d931c4d7c8d597445reed@android.com } 1299218521e15706c4377b1be49d931c4d7c8d597445reed@android.com 1300900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bitmap.colorType() != kAlpha_8_SkColorType && 13010baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com just_translate(matrix, bitmap)) { 1302f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1303f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // It is safe to call lock pixels now, since we know the matrix is 1304f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // (more or less) identity. 1305f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1306f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com SkAutoLockPixels alp(bitmap); 1307f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com if (!bitmap.readyToDraw()) { 1308f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com return; 1309f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com } 1310e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(matrix.getTranslateX()); 1311e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(matrix.getTranslateY()); 1312045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipHandlesSprite(*fRC, ix, iy, bitmap)) { 1313a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1314a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 1315a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 1316a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org ix, iy, &allocator); 1317045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (blitter) { 1318045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect ir; 1319045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1320045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1321045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(ir, *fRC, blitter); 1322045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 13238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1326a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now make a temp draw on the stack, and use it 13288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // 13298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 1331a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1332900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bitmap.colorType() == kAlpha_8_SkColorType) { 13338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawBitmapAsMask(bitmap, paint); 13348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 133540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 13368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(bitmap.width()), 13398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.height())); 1340a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this ok if paint has a rasterizer? 134140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, install.paintWithShader()); 13428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, 134640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1347f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 1348a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1350045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 13518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1352900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 13538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect bounds; 13578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(x, y, x + bitmap.width(), y + bitmap.height()); 13588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1359045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(bounds)) { 13608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; // nothing to draw 13618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 136340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 136440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 13658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1366045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, bitmap)) { 1367a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1368a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 1369a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 1370a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org x, y, &allocator); 13718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (blitter) { 13738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(bounds)) { 13748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1377045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(bounds, *fRC, blitter); 13788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 138240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 138340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& shaderPaint = install.paintWithShader(); 13848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // get a scalar version of our rect 13898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(bounds); 13908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // tell the shader our offset 13928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(r.fLeft, r.fTop); 139340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com shaderPaint.getShader()->setLocalMatrix(matrix); 1394a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.reset(); 13978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 13988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // call ourself with a rect 1399a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this OK if paint has a rasterizer? 140040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, shaderPaint); 14018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 14048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScalerContext.h" 14068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGlyphCache.h" 1407e69137620ab0b5b40d230318c8e11b822f63cb9dreed@google.com#include "SkTextToPathIter.h" 14088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 14098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void measure_text(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc, 14118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char text[], size_t byteLength, SkVector* stopVector) { 14128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = 0, y = 0; 14138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 14148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 1416a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 14178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 14188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // don't need x, y here, since all subpixel variants will have the 14198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // same advance 14208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 14218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += autokern.adjust(glyph) + glyph.fAdvanceX; 14238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += glyph.fAdvanceY; 14248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopVector->set(SkFixedToScalar(x), SkFixedToScalar(y)); 14268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(text == stop); 14288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14308128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.orgbool SkDraw::ShouldDrawTextAsPaths(const SkPaint& paint, const SkMatrix& ctm) { 14318128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // hairline glyphs are fast enough so we don't need to cache them 14328128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (SkPaint::kStroke_Style == paint.getStyle() && 0 == paint.getStrokeWidth()) { 14338128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 14348128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 14358128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14368128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // we don't cache perspective 14378128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (ctm.hasPerspective()) { 14388128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 14398128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 14408128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14418128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org SkMatrix textM; 14428128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return SkPaint::TooBigToUseCache(ctm, *paint.setTextMatrix(&textM)); 14438128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org} 14448128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText_asPaths(const char text[], size_t byteLength, 14468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, 14478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1448f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 14498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1450166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 14518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 14538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setScale(iter.getPathScale(), iter.getPathScale()); 14548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(x, y); 14558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 14578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos, prevXPos = 0; 14588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14597b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 14608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(xpos - prevXPos, 0); 14617b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 14627b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com const SkPaint& pnt = iter.getPaint(); 14637b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 14647b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, *iterPath, pnt, &matrix, false); 14657b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 14667b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(*iterPath, pnt, &matrix, false); 14677b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1468f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 14698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com prevXPos = xpos; 14708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// disable warning : local variable used without having been initialized 1474a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#if defined _WIN32 && _MSC_VER >= 1300 14758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( push ) 14768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( disable : 4701 ) 14778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 14788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 14808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_NoBounder_RectClip(const SkDraw1Glyph& state, 1482f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 1483f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph) { 14849fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int left = SkFixedFloorToInt(fx); 14859fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int top = SkFixedFloorToInt(fy); 14868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 148783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(NULL == state.fBounder); 148883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT((NULL == state.fClip && state.fAAClip) || 148983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com (state.fClip && NULL == state.fAAClip && state.fClip->isRect())); 14908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 14928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 14938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int right = left + glyph.fWidth; 14958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int bottom = top + glyph.fHeight; 14968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1497fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkMask mask; 1498fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect storage; 1499fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect* bounds = &mask.fBounds; 150083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 150183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fBounds.set(left, top, right, bottom); 150283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 150383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // this extra test is worth it, assuming that most of the time it succeeds 150483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // since we can avoid writing to storage 150583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!state.fClipBounds.containsNoEmptyCheck(left, top, right, bottom)) { 150683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!storage.intersectNoEmptyCheck(mask.fBounds, state.fClipBounds)) 150783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 150883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com bounds = &storage; 150983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 151083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 151183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com uint8_t* aa = (uint8_t*)glyph.fImage; 151283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 151383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 151483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 151583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; // can't rasterize glyph 15168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 151783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 151983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 152083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 152183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = aa; 15225bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com state.blitMask(mask, *bounds); 15238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_NoBounder_RgnClip(const SkDraw1Glyph& state, 1526f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 152783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkGlyph& glyph) { 15289fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int left = SkFixedFloorToInt(fx); 15299fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int top = SkFixedFloorToInt(fy); 15308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 153183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(!state.fClip->isRect()); 153283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(NULL == state.fBounder); 15338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 15358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 15378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 15388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 154083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 154183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 154283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 154383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 154483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 154583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 154683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 154783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 1548fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com return; 15498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 155083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 155183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 155283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 155383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 155483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 155583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 15565bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com state.blitMask(mask, cr); 155783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 155883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 155983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_Bounder(const SkDraw1Glyph& state, 1563f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 156483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkGlyph& glyph) { 15659fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int left = SkFixedFloorToInt(fx); 15669fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int top = SkFixedFloorToInt(fy); 15678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 1568fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1570fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 15728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 1573fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 15758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 1576fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 157783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 157883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 157983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 158083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 158183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 158283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 158383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 15848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1585fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com } 1586fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 1587d055c1fde2128514167b315f4d104b177e04a3dereed@android.com // we need to pass the origin, which we approximate with our 1588d055c1fde2128514167b315f4d104b177e04a3dereed@android.com // (unadjusted) left,top coordinates (the caller called fixedfloor) 158983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (state.fBounder->doIRectGlyph(cr, 1590d055c1fde2128514167b315f4d104b177e04a3dereed@android.com left - glyph.fLeft, 1591d055c1fde2128514167b315f4d104b177e04a3dereed@android.com top - glyph.fTop, glyph)) { 159283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 159383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 159483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 159583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 15965bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com state.blitMask(mask, cr); 159783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 159883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 159983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 160083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 16018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1603045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic void D1G_Bounder_AAClip(const SkDraw1Glyph& state, 1604045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkFixed fx, SkFixed fy, 1605045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkGlyph& glyph) { 16069fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int left = SkFixedFloorToInt(fx); 16079fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int top = SkFixedFloorToInt(fy); 1608045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect bounds; 1609045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com bounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 1610045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1611045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (state.fBounder->doIRectGlyph(bounds, left, top, glyph)) { 1612045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com D1G_NoBounder_RectClip(state, fx, fy, glyph); 1613045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1614045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1615045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1616fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool hasCustomD1GProc(const SkDraw& draw) { 1617fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return draw.fProcs && draw.fProcs->fD1GProc; 1618fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1619fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 1620fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool needsRasterTextBlit(const SkDraw& draw) { 1621fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return !hasCustomD1GProc(draw); 1622fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1623fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 16248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw1Glyph::Proc SkDraw1Glyph::init(const SkDraw* draw, SkBlitter* blitter, 16255bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkGlyphCache* cache, const SkPaint& pnt) { 16268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDraw = draw; 16272211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBounder = draw->fBounder; 16282211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBlitter = blitter; 16292211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fCache = cache; 16305bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com fPaint = &pnt; 16318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16329447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (cache->isSubpixel()) { 16339447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fHalfSampleX = fHalfSampleY = (SK_FixedHalf >> SkGlyph::kSubBits); 16349447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else { 16359447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fHalfSampleX = fHalfSampleY = SK_FixedHalf; 16369447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 16379447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 16381d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (hasCustomD1GProc(*draw)) { 1639045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // todo: fix this assumption about clips w/ custom 1640045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = draw->fClip; 1641045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 16428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return draw->fProcs->fD1GProc; 16438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1645045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (draw->fRC->isBW()) { 1646045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = NULL; 1647045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &draw->fRC->bwRgn(); 1648045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 1649045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == fBounder) { 1650045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fClip->isRect()) { 1651045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_NoBounder_RectClip; 1652045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1653045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_NoBounder_RgnClip; 1654045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1655045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1656045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_Bounder; 1657045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1658045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { // aaclip 1659045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = &draw->fRC->aaRgn(); 1660045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 1661045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fAAClip->getBounds(); 1662045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == fBounder) { 16638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D1G_NoBounder_RectClip; 16648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1665045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_Bounder_AAClip; 16668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16705bdfb331ac650cf464baa96a49e2473ee10a515creed@google.comvoid SkDraw1Glyph::blitMaskAsSprite(const SkMask& mask) const { 16715bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkASSERT(SkMask::kARGB32_Format == mask.fFormat); 16725bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 16735bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkBitmap bm; 16745bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com bm.setConfig(SkBitmap::kARGB_8888_Config, 16755bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com mask.fBounds.width(), mask.fBounds.height(), mask.fRowBytes); 16765bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com bm.setPixels((SkPMColor*)mask.fImage); 16775bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 16785bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com fDraw->drawSprite(bm, mask.fBounds.x(), mask.fBounds.y(), *fPaint); 16795bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com} 16805bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 16818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 16828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText(const char text[], size_t byteLength, 16848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint) const { 16858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 16868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1687f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 16888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1690045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 16918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 169436d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // SkScalarRec doesn't currently have a way of representing hairline stroke and 169536d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // will fill if its frame-width is 0. 1696ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 16978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawText_asPaths(text, byteLength, x, y, paint); 16988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 17028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17039447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, fMatrix); 17048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1705a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform our starting point 17078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 17088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint loc; 17099447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fMatrix->mapXY(x, y, &loc); 17108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = loc.fX; 17118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y = loc.fY; 17128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 17158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 17168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector stop; 17178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com measure_text(cache, glyphCacheProc, text, byteLength, &stop); 17198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopX = stop.fX; 17218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopY = stop.fY; 17228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 17248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopX = SkScalarHalf(stopX); 17258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopY = SkScalarHalf(stopY); 17268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x -= stopX; 17288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y -= stopY; 17298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1730a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 17328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1733045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitter aaBlitter; 1734045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1735045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 17361d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 17379447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com blitterChooser.choose(*fBitmap, *fMatrix, paint); 1738045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1739045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1740045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com aaBlitter.init(blitter, &fRC->aaRgn()); 1741045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = &aaBlitter; 1742045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 17431d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 17441d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 17458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 174652c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com SkDraw1Glyph d1g; 17475bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache, paint); 17488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17499447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fxMask = ~0; 17509447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fyMask = ~0; 17519447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (cache->isSubpixel()) { 17529447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*fMatrix); 17539447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (kX_SkAxisAlignment == baseline) { 17549447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fyMask = 0; 17559447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleY = SK_FixedHalf; 17569447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else if (kY_SkAxisAlignment == baseline) { 17579447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fxMask = 0; 17589447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleX = SK_FixedHalf; 17599447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 17609447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 17619447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 17629447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = SkScalarToFixed(x) + d1g.fHalfSampleX; 17639447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = SkScalarToFixed(y) + d1g.fHalfSampleY; 17649447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 17658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 17662211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask); 17678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += autokern.adjust(glyph); 17698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 177152c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com proc(d1g, fx, fy, glyph); 17728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1773d830d13c27437b4677a4a1abfa866d98dc2d2ab9jvanverth@google.com 17748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += glyph.fAdvanceX; 17758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fy += glyph.fAdvanceY; 17768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// last parameter is interpreted as SkFixed [x, y] 17808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// return the fixed position, which may be rounded or not by the caller 17818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// e.g. subpixel doesn't round 17828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*AlignProc)(const SkPoint&, const SkGlyph&, SkIPoint*); 17838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1784cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic void leftAlignProc(const SkPoint& loc, const SkGlyph& glyph, SkIPoint* dst) { 17858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX), SkScalarToFixed(loc.fY)); 17868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1788cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic void centerAlignProc(const SkPoint& loc, const SkGlyph& glyph, SkIPoint* dst) { 17898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX) - (glyph.fAdvanceX >> 1), 17908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalarToFixed(loc.fY) - (glyph.fAdvanceY >> 1)); 17918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1793cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic void rightAlignProc(const SkPoint& loc, const SkGlyph& glyph, SkIPoint* dst) { 17948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX) - glyph.fAdvanceX, 17958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalarToFixed(loc.fY) - glyph.fAdvanceY); 17968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic AlignProc pick_align_proc(SkPaint::Align align) { 17998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const AlignProc gProcs[] = { 18008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com leftAlignProc, centerAlignProc, rightAlignProc 18018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 1802a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)align < SK_ARRAY_COUNT(gProcs)); 18048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return gProcs[align]; 18068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1808cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comtypedef void (*AlignProc_scalar)(const SkPoint&, const SkGlyph&, SkPoint*); 1809cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 1810cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic void leftAlignProc_scalar(const SkPoint& loc, const SkGlyph& glyph, SkPoint* dst) { 1811cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com dst->set(loc.fX, loc.fY); 1812cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com} 1813cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 1814cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic void centerAlignProc_scalar(const SkPoint& loc, const SkGlyph& glyph, SkPoint* dst) { 1815cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com dst->set(loc.fX - SkFixedToScalar(glyph.fAdvanceX >> 1), 1816cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com loc.fY - SkFixedToScalar(glyph.fAdvanceY >> 1)); 1817cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com} 1818cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 1819cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic void rightAlignProc_scalar(const SkPoint& loc, const SkGlyph& glyph, SkPoint* dst) { 1820cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com dst->set(loc.fX - SkFixedToScalar(glyph.fAdvanceX), 1821cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com loc.fY - SkFixedToScalar(glyph.fAdvanceY)); 1822cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com} 1823cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 1824cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.comstatic AlignProc_scalar pick_align_proc_scalar(SkPaint::Align align) { 1825cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com static const AlignProc_scalar gProcs[] = { 1826cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com leftAlignProc_scalar, centerAlignProc_scalar, rightAlignProc_scalar 1827cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com }; 1828cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 1829cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com SkASSERT((unsigned)align < SK_ARRAY_COUNT(gProcs)); 1830cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 1831cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com return gProcs[align]; 1832cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com} 1833cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com 18348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass TextMapState { 18358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 18368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mutable SkPoint fLoc; 1837a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TextMapState(const SkMatrix& matrix, SkScalar y) 18398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fMatrix(matrix), fProc(matrix.getMapXYProc()), fY(y) {} 18408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const TextMapState&, const SkScalar pos[]); 1842a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Proc pickProc(int scalarsPerPosition); 1844a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 18468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& fMatrix; 18478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc fProc; 18488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fY; // ignored by MapXYProc 18498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // these are only used by Only... procs 18508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fScaleX, fTransX, fTransformedY; 18518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapXProc(const TextMapState& state, const SkScalar pos[]) { 18538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fProc(state.fMatrix, *pos, state.fY, &state.fLoc); 18548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1855a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapXYProc(const TextMapState& state, const SkScalar pos[]) { 18578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fProc(state.fMatrix, pos[0], pos[1], &state.fLoc); 18588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1859a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapOnlyScaleXProc(const TextMapState& state, 18618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[]) { 18628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fLoc.set(SkScalarMul(state.fScaleX, *pos) + state.fTransX, 18638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fTransformedY); 18648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1865a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapOnlyTransXProc(const TextMapState& state, 18678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[]) { 18688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fLoc.set(*pos + state.fTransX, state.fTransformedY); 18698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 18718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comTextMapState::Proc TextMapState::pickProc(int scalarsPerPosition) { 18738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 1874a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (1 == scalarsPerPosition) { 18768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned mtype = fMatrix.getType(); 18778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (mtype & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)) { 18788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return MapXProc; 18798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fScaleX = fMatrix.getScaleX(); 18818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTransX = fMatrix.getTranslateX(); 18828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTransformedY = SkScalarMul(fY, fMatrix.getScaleY()) + 18838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix.getTranslateY(); 18848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return (mtype & SkMatrix::kScale_Mask) ? 18858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com MapOnlyScaleXProc : MapOnlyTransXProc; 18868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return MapXYProc; 18898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 18938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1894ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.comvoid SkDraw::drawPosText_asPaths(const char text[], size_t byteLength, 1895ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkScalar pos[], SkScalar constY, 1896ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com int scalarsPerPosition, 1897ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkPaint& origPaint) const { 1898ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com // setup our std paint, in hopes of getting hits in the cache 1899ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkPaint paint(origPaint); 1900ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkScalar matrixScale = paint.setupForAsPaths(); 1901ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 19025a64902ee92847f53dfc5b211da19d074179be64reed@google.com SkMatrix matrix; 19035a64902ee92847f53dfc5b211da19d074179be64reed@google.com matrix.setScale(matrixScale, matrixScale); 19048f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 1905ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 1906ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkAutoGlyphCache autoCache(paint, NULL, NULL); 1907ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkGlyphCache* cache = autoCache.getCache(); 1908ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 1909ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const char* stop = text + byteLength; 1910cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com AlignProc_scalar alignProc = pick_align_proc_scalar(paint.getTextAlign()); 1911ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com TextMapState tms(SkMatrix::I(), constY); 1912ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com TextMapState::Proc tmsProc = tms.pickProc(scalarsPerPosition); 19138f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 1914ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com while (text < stop) { 1915ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1916ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (glyph.fWidth) { 1917ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkPath* path = cache->findPath(glyph); 1918ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (path) { 1919ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com tmsProc(tms, pos); 1920cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com SkPoint loc; 1921cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com alignProc(tms.fLoc, glyph, &loc); 19228f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 1923cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransX] = loc.fX; 1924cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransY] = loc.fY; 19255a64902ee92847f53dfc5b211da19d074179be64reed@google.com if (fDevice) { 19265a64902ee92847f53dfc5b211da19d074179be64reed@google.com fDevice->drawPath(*this, *path, paint, &matrix, false); 19275a64902ee92847f53dfc5b211da19d074179be64reed@google.com } else { 19285a64902ee92847f53dfc5b211da19d074179be64reed@google.com this->drawPath(*path, paint, &matrix, false); 19295a64902ee92847f53dfc5b211da19d074179be64reed@google.com } 1930ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1931ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1932ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com pos += scalarsPerPosition; 1933ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1934ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com} 1935ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 19368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPosText(const char text[], size_t byteLength, 19378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[], SkScalar constY, 19388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scalarsPerPosition, const SkPaint& paint) const { 19398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 19408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 19418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1942f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 19438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1945045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 19468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 19478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1949ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 1950ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com this->drawPosText_asPaths(text, byteLength, pos, constY, 1951ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com scalarsPerPosition, paint); 19528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 19538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 19569447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, fMatrix); 19578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1958a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1959045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 1960045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1961045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 19621d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 19639447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com blitterChooser.choose(*fBitmap, *fMatrix, paint); 1964045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1965045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1966045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 1967045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 1968045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 19691d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 1970fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 19718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 19728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com AlignProc alignProc = pick_align_proc(paint.getTextAlign()); 19732211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkDraw1Glyph d1g; 19745bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache, paint); 19759447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com TextMapState tms(*fMatrix, constY); 19768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TextMapState::Proc tmsProc = tms.pickProc(scalarsPerPosition); 19778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19782211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com if (cache->isSubpixel()) { 19798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // maybe we should skip the rounding if linearText is set 19809447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*fMatrix); 19819447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 19829447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fxMask = ~0; 19839447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fyMask = ~0; 19849447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (kX_SkAxisAlignment == baseline) { 19859447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fyMask = 0; 19869447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX 19879447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleY = SK_FixedHalf; 19889447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#endif 19899447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else if (kY_SkAxisAlignment == baseline) { 19909447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fxMask = 0; 19919447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX 19929447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleX = SK_FixedHalf; 19939447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#endif 19949447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 19958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 19978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 19988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmsProc(tms, pos); 19999447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = SkScalarToFixed(tms.fLoc.fX) + d1g.fHalfSampleX; 20009447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = SkScalarToFixed(tms.fLoc.fY) + d1g.fHalfSampleY; 2001a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2002f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 2003f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fx & fxMask, fy & fyMask); 2004a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 2006f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com proc(d1g, fx, fy, glyph); 20078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 20098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 20118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 20129330cfe851b14b8985acc14caa3dc5ad20b0b2a8bungeman@google.com const char* currentText = text; 20139447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); 2014a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20159447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (metricGlyph.fWidth) { 20169447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkDEBUGCODE(SkFixed prevAdvX = metricGlyph.fAdvanceX;) 20179447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkDEBUGCODE(SkFixed prevAdvY = metricGlyph.fAdvanceY;) 20188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmsProc(tms, pos); 20209447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkIPoint fixedLoc; 20219447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com alignProc(tms.fLoc, metricGlyph, &fixedLoc); 2022a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20239447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = fixedLoc.fX + d1g.fHalfSampleX; 20249447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = fixedLoc.fY + d1g.fHalfSampleY; 2025a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // have to call again, now that we've been "aligned" 20279447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, 20289447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fx & fxMask, fy & fyMask); 20299447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com // the assumption is that the metrics haven't changed 20309447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(prevAdvX == glyph.fAdvanceX); 20319447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(prevAdvY == glyph.fAdvanceY); 20329447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(glyph.fWidth); 2033a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20349447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com proc(d1g, fx, fy, glyph); 20358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 20378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // not subpixel 2040aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 2041aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 2042aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 2043aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 2044fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 2045aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 2046aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com tmsProc(tms, pos); 2047a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2048aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 20499447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkScalarToFixed(tms.fLoc.fX) + SK_FixedHalf, //d1g.fHalfSampleX, 20509447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkScalarToFixed(tms.fLoc.fY) + SK_FixedHalf, //d1g.fHalfSampleY, 2051aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 2052aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 2053aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 2054aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 2055aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } else { 2056aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 2057aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 2058aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 2059a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2060aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 2061aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com tmsProc(tms, pos); 2062a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2063aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com SkIPoint fixedLoc; 2064aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com alignProc(tms.fLoc, glyph, &fixedLoc); 2065aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com 2066aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 20679447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fixedLoc.fX + SK_FixedHalf, //d1g.fHalfSampleX, 20689447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fixedLoc.fY + SK_FixedHalf, //d1g.fHalfSampleY, 2069aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 2070aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 2071aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 20728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#if defined _WIN32 && _MSC_VER >= 1300 20788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( pop ) 20798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 20808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 20828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathMeasure.h" 20848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpoints(SkPoint dst[], const SkPoint src[], int count, 20868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure& meas, const SkMatrix& matrix) { 20878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc proc = matrix.getMapXYProc(); 20888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 20908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pos; 20918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector tangent; 20928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(matrix, src[i].fX, src[i].fY, &pos); 20948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = pos.fX; 20958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = pos.fY; 20968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20978f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com if (!meas.getPosTan(sx, &pos, &tangent)) { 20988f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com // set to 0 if the measure failed, so that we just set dst == pos 20998f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com tangent.set(0, 0); 21008f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com } 21018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* This is the old way (that explains our approach but is way too slow 21038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 21048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pt; 21058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pt.set(sx, sy); 21078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setSinCos(tangent.fY, tangent.fX); 21088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.preTranslate(-sx, 0); 21098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(pos.fX, pos.fY); 21108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapPoints(&dst[i], &pt, 1); 21118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 21128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[i].set(pos.fX - SkScalarMul(tangent.fY, sy), 21138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos.fY + SkScalarMul(tangent.fX, sy)); 21148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 21168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/* TODO 21188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Need differentially more subdivisions when the follow-path is curvy. Not sure how to 21208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com determine that, but we need it. I guess a cheap answer is let the caller tell us, 21218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com but that seems like a cop-out. Another answer is to get Rob Johnson to figure it out. 21228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com*/ 21238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpath(SkPath* dst, const SkPath& src, SkPathMeasure& meas, 21248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix) { 21258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Iter iter(src, false); 21268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint srcP[4], dstP[3]; 21278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Verb verb; 21288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while ((verb = iter.next(srcP)) != SkPath::kDone_Verb) { 21308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (verb) { 21318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kMove_Verb: 21328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 1, meas, matrix); 21338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->moveTo(dstP[0]); 21348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 21358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kLine_Verb: 21368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // turn lines into quads to look bendy 21378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fX = SkScalarAve(srcP[0].fX, srcP[1].fX); 21388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fY = SkScalarAve(srcP[0].fY, srcP[1].fY); 21398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 2, meas, matrix); 21408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 21418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 21428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kQuad_Verb: 21438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 2, meas, matrix); 21448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 21458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 21468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kCubic_Verb: 21478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 3, meas, matrix); 21488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->cubicTo(dstP[0], dstP[1], dstP[2]); 21498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 21508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kClose_Verb: 21518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->close(); 21528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 21538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 21540c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("unknown verb"); 21558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 21568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 21598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawTextOnPath(const char text[], size_t byteLength, 21618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath& follow, const SkMatrix* matrix, 21628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 21638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 21648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 2166045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 21678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 21688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2170166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 21718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure meas(follow, false); 21728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar hOffset = 0; 21738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 21758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 21768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar pathLen = meas.getLength(); 21778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 21788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathLen = SkScalarHalf(pathLen); 21798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com hOffset += pathLen; 21818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 21848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos; 21858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix scaledMatrix; 21868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar scale = iter.getPathScale(); 21878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scaledMatrix.setScale(scale, scale); 2189a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21907b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 21917b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 21927b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkPath tmp; 21937b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkMatrix m(scaledMatrix); 21948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21957b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postTranslate(xpos + hOffset, 0); 21967b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (matrix) { 21977b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postConcat(*matrix); 21987b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 21997b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com morphpath(&tmp, *iterPath, meas, m); 22007b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 22017b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, tmp, iter.getPaint(), NULL, true); 22027b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 22037b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(tmp, iter.getPaint(), NULL, true); 22047b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 2205f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 22068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 22108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct VertState { 22128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int f0, f1, f2; 22138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState(int vCount, const uint16_t indices[], int indexCount) 22158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fIndices(indices) { 22168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCurrIndex = 0; 22178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (indices) { 22188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount = indexCount; 22198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount = vCount; 22218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2223a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2224a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com typedef bool (*Proc)(VertState*); 22258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Proc chooseProc(SkCanvas::VertexMode mode); 22268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 22288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fCount; 22298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fCurrIndex; 22308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* fIndices; 2231a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 22328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool Triangles(VertState*); 22338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TrianglesX(VertState*); 22348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleStrip(VertState*); 22358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleStripX(VertState*); 22368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleFan(VertState*); 22378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleFanX(VertState*); 22388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 22398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::Triangles(VertState* state) { 22418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 0; 22468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 3; 22498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TrianglesX(VertState* state) { 22538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 0]; 22598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 3; 22628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleStrip(VertState* state) { 22668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index & 1) { 22728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 1; 22738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 0; 22748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 0; 22768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleStripX(VertState* state) { 22838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index & 1) { 22908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 1]; 22918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 0]; 22928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 0]; 22948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleFan(VertState* state) { 23018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 23028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 23038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = 0; 23068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 23078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 23088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 23098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 23108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleFanX(VertState* state) { 23138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 23148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 23158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 23168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[0]; 23198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 23208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 23218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 23228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 23238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comVertState::Proc VertState::chooseProc(SkCanvas::VertexMode mode) { 23268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 23278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangles_VertexMode: 23288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TrianglesX : Triangles; 23298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangleStrip_VertexMode: 23308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TriangleStripX : TriangleStrip; 23318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangleFan_VertexMode: 23328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TriangleFanX : TriangleFan; 23338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 23348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 23358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2338045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comtypedef void (*HairProc)(const SkPoint&, const SkPoint&, const SkRasterClip&, 23398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 23408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic HairProc ChooseHairProc(bool doAntiAlias) { 23428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; 23438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool texture_to_matrix(const VertState& state, const SkPoint verts[], 23468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint texs[], SkMatrix* matrix) { 23478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src[3], dst[3]; 2348a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[0] = texs[state.f0]; 23508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[1] = texs[state.f1]; 23518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[2] = texs[state.f2]; 23528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[0] = verts[state.f0]; 23538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[1] = verts[state.f1]; 23548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[2] = verts[state.f2]; 23558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return matrix->setPolyToPoly(src, dst, 3); 23568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkTriColorShader : public SkShader { 23598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 23608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader() {} 23618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool setup(const SkPoint pts[], const SkColor colors[], int, int, int); 2363a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2364a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; 2365a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 236676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com SK_DEVELOPER_TO_STRING() 2367ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTriColorShader) 2368ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 23698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 23708b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org SkTriColorShader(SkReadBuffer& buffer) : SkShader(buffer) {} 2371a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 23738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix fDstToUnit; 23748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor fColors[3]; 2375a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkShader INHERITED; 23778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 23788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkTriColorShader::setup(const SkPoint pts[], const SkColor colors[], 23808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index0, int index1, int index2) { 2381a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[0] = SkPreMultiplyColor(colors[index0]); 23838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[1] = SkPreMultiplyColor(colors[index1]); 23848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[2] = SkPreMultiplyColor(colors[index2]); 2385a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix m, im; 23878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.reset(); 23888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(0, pts[index1].fX - pts[index0].fX); 23898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(1, pts[index2].fX - pts[index0].fX); 23908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(2, pts[index0].fX); 23918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(3, pts[index1].fY - pts[index0].fY); 23928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(4, pts[index2].fY - pts[index0].fY); 23938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(5, pts[index0].fY); 23948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!m.invert(&im)) { 23958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fDstToUnit.setConcat(im, this->getTotalInverse()); 23988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 2401689411a87ca7d19abe04b5c9baff26bd96b2123ereed@android.com#include "SkComposeShader.h" 24028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic int ScalarTo256(SkScalar v) { 24048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale = SkScalarToFixed(v) >> 8; 24058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale < 0) { 24068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 0; 24078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale > 255) { 24098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 255; 24108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return SkAlpha255To256(scale); 24128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 24138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkTriColorShader::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 24158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src; 2416a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 24188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDstToUnit.mapXY(SkIntToScalar(x), SkIntToScalar(y), &src); 24198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += 1; 2420a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale1 = ScalarTo256(src.fX); 24228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale2 = ScalarTo256(src.fY); 24238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale0 = 256 - scale1 - scale2; 24248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale0 < 0) { 24258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale1 > scale2) { 24268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale2 = 256 - scale1; 24278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 24288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale1 = 256 - scale2; 24298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale0 = 0; 24318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2432a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dstC[i] = SkAlphaMulQ(fColors[0], scale0) + 24348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAlphaMulQ(fColors[1], scale1) + 24358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAlphaMulQ(fColors[2], scale2); 24368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 24388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 243976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#ifdef SK_DEVELOPER 244076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkTriColorShader::toString(SkString* str) const { 244176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append("SkTriColorShader: ("); 244276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 244376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 244476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 244576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 244676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 244776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 244876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 24498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count, 24508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint vertices[], const SkPoint textures[], 24518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkColor colors[], SkXfermode* xmode, 24528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t indices[], int indexCount, 24538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 24548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == count || NULL != vertices); 2455a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // abort early if there is nothing to draw 2457045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (count < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { 24588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 24598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2460a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform out vertices into device coordinates 24628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoSTMalloc<16, SkPoint> storage(count); 24638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint* devVerts = storage.get(); 24648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapPoints(devVerts, vertices, count); 2465a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder) { 24678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect bounds; 24688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(devVerts, count); 24698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!fBounder->doRect(bounds, paint)) { 24708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 24718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2473a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 24758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com We can draw the vertices in 1 of 4 ways: 24768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - solid color (no shader/texture[], no colors[]) 24788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just colors (no shader/texture[], has colors[]) 24798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just texture (has shader/texture[], no colors[]) 24808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - colors * texture (has shader/texture[], has colors[]) 2481a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Thus for texture drawing, we need both texture[] and a shader. 24838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 24848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader triShader; // must be above declaration of p 24868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 24878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = p.getShader(); 24898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == shader) { 24908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we have no shader, we ignore the texture coordinates 24918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com textures = NULL; 24928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (NULL == textures) { 24938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we don't have texture coordinates, ignore the shader 24948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(NULL); 24958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader = NULL; 24968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup the custom shader (if needed) 24998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 25008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == textures) { 25018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // just colors (no texture) 2502a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader = p.setShader(&triShader); 25038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 25048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // colors * texture 25058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(shader); 25068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool releaseMode = false; 25078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == xmode) { 25088d3cd7a170c810e3816bf00220cbef51e7b16795reed@google.com xmode = SkXfermode::Create(SkXfermode::kModulate_Mode); 25098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com releaseMode = true; 25108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* compose = SkNEW_ARGS(SkComposeShader, 25128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com (&triShader, shader, xmode)); 25138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(compose)->unref(); 25148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (releaseMode) { 25158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com xmode->unref(); 25168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, p); 2521ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // important that we abort early, as below we may manipulate the shader 2522ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // and that is only valid if the shader returned true from setContext. 2523ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // If it returned false, then our blitter will be the NullBlitter. 2524ea033606a06d05d2d42aa7118409fee798e53167reed@google.com if (blitter->isNullBlitter()) { 2525ea033606a06d05d2d42aa7118409fee798e53167reed@google.com return; 2526ea033606a06d05d2d42aa7118409fee798e53167reed@google.com } 2527ea033606a06d05d2d42aa7118409fee798e53167reed@google.com 25288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup our state and function pointer for iterating triangles 25298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState state(count, indices, indexCount); 25308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState::Proc vertProc = state.chooseProc(vmode); 2531a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 25328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures || NULL != colors) { 2533f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com SkMatrix tempM; 2534f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com SkMatrix savedLocalM; 2535f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com if (shader) { 2536f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com savedLocalM = shader->getLocalMatrix(); 2537f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com } 2538a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 253919376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // setContext has already been called and verified to return true 254019376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // by the constructor of SkAutoBlitterChoose 254119376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com bool prevContextSuccess = true; 25428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 25438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures) { 25448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (texture_to_matrix(state, vertices, textures, &tempM)) { 2545f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com tempM.postConcat(savedLocalM); 25468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader->setLocalMatrix(tempM); 254719376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // Need to recall setContext since we changed the local matrix. 254819376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // However, we also need to balance the calls this with a 254919376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // call to endContext which requires tracking the result of 255019376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // the previous call to setContext. 255119376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com if (prevContextSuccess) { 255219376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com shader->endContext(); 255319376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com } 255419376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com prevContextSuccess = shader->setContext(*fBitmap, p, *fMatrix); 255519376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com if (!prevContextSuccess) { 25568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 25578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 25618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!triShader.setup(vertices, colors, 25628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.f0, state.f1, state.f2)) { 25638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 25648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2566045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 2567045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPoint tmp[] = { 2568045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] 2569045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com }; 2570045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillTriangle(tmp, *fRC, blitter.get()); 25718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 257219376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com 25738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now restore the shader's original local matrix 25748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != shader) { 2575f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com shader->setLocalMatrix(savedLocalM); 25768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 257719376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com 257819376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // If the final call to setContext fails we must make it suceed so that the 257919376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // call to endContext in the destructor for SkAutoBlitterChoose is balanced. 258019376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com if (!prevContextSuccess) { 258119376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com prevContextSuccess = shader->setContext(*fBitmap, paint, SkMatrix::I()); 258219376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com SkASSERT(prevContextSuccess); 258319376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com } 25848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 25858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // no colors[] and no texture 25868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com HairProc hairProc = ChooseHairProc(paint.isAntiAlias()); 2587045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 25888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 2589045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f0], devVerts[state.f1], clip, blitter.get()); 2590045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f1], devVerts[state.f2], clip, blitter.get()); 2591045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f2], devVerts[state.f0], clip, blitter.get()); 25928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25960a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25970a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 26008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2601f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comvoid SkDraw::validate() const { 26028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fBitmap != NULL); 26038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fMatrix != NULL); 26048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fClip != NULL); 2605045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(fRC != NULL); 26068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2607045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& cr = fRC->getBounds(); 26088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect br; 26098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2610f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com br.set(0, 0, fBitmap->width(), fBitmap->height()); 26118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(cr.isEmpty() || br.contains(cr)); 26128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 26158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26160a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 26170a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com 26180a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.comSkBounder::SkBounder() { 26190a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com // initialize up front. This gets reset by SkCanvas before each draw call. 26200a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com fClip = &SkRegion::GetEmptyRegion(); 26210a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com} 26228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doIRect(const SkIRect& r) { 26248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect rr; 26258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return rr.intersect(fClip->getBounds(), r) && this->onIRect(rr); 26268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2628d055c1fde2128514167b315f4d104b177e04a3dereed@android.com// TODO: change the prototype to take fixed, and update the callers 2629d055c1fde2128514167b315f4d104b177e04a3dereed@android.combool SkBounder::doIRectGlyph(const SkIRect& r, int x, int y, 2630d055c1fde2128514167b315f4d104b177e04a3dereed@android.com const SkGlyph& glyph) { 2631474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com SkIRect rr; 2632d055c1fde2128514167b315f4d104b177e04a3dereed@android.com if (!rr.intersect(fClip->getBounds(), r)) { 2633d055c1fde2128514167b315f4d104b177e04a3dereed@android.com return false; 2634d055c1fde2128514167b315f4d104b177e04a3dereed@android.com } 2635d055c1fde2128514167b315f4d104b177e04a3dereed@android.com GlyphRec rec; 2636d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fLSB.set(SkIntToFixed(x), SkIntToFixed(y)); 2637d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fRSB.set(rec.fLSB.fX + glyph.fAdvanceX, 2638d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fLSB.fY + glyph.fAdvanceY); 2639d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fGlyphID = glyph.getGlyphID(); 2640d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fFlags = 0; 2641d055c1fde2128514167b315f4d104b177e04a3dereed@android.com return this->onIRectGlyph(rr, rec); 2642474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com} 2643474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com 26448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doHairline(const SkPoint& pt0, const SkPoint& pt1, 26458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) { 26468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect r; 26478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar v0, v1; 26488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v0 = pt0.fX; 26508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v1 = pt1.fX; 26518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (v0 > v1) { 26528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTSwap<SkScalar>(v0, v1); 26538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2654e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com r.fLeft = SkScalarFloorToInt(v0); 2655e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com r.fRight = SkScalarCeilToInt(v1); 26568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v0 = pt0.fY; 26588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v1 = pt1.fY; 26598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (v0 > v1) { 26608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTSwap<SkScalar>(v0, v1); 26618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2662e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com r.fTop = SkScalarFloorToInt(v0); 2663e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com r.fBottom = SkScalarCeilToInt(v1); 26648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(-1, -1); 26678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doRect(const SkRect& rect, const SkPaint& paint) { 26728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect r; 26738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getStyle() == SkPaint::kFill_Style) { 26758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rect.round(&r); 26768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 26778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int rad = -1; 26788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rect.roundOut(&r); 26798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rad = -2; 26818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(rad, rad); 26838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doPath(const SkPath& path, const SkPaint& paint, bool doFill) { 2688d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkIRect r; 2689d252db03d9650013b545ef9781fe993c07f8f314reed@android.com const SkRect& bounds = path.getBounds(); 26908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 26928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.round(&r); 26938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 26948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.roundOut(&r); 26958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(-1, -1); 26998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 27018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkBounder::commit() { 27048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // override in subclass 27058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//////////////////////////////////////////////////////////////////////////////////////////////// 27088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 27108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 27118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 27128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 27138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds, 271530711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 27168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect* bounds) { 27178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (devPath.isEmpty()) { 27188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 27198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // init our bounds from the path 27228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2723d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkRect pathBounds = devPath.getBounds(); 27248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.inset(-SK_ScalarHalf, -SK_ScalarHalf); 27258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.roundOut(bounds); 27268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2727a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27286db75fc2c393ba86a3f533597a8bcd348477e79ctomhudson@google.com SkIPoint margin = SkIPoint::Make(0, 0); 27298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (filter) { 27308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(filterMatrix); 2731a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27325af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkMask srcM, dstM; 2733a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fBounds = *bounds; 27358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fFormat = SkMask::kA8_Format; 27368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fImage = NULL; 27378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!filter->filterMask(&dstM, srcM, *filterMatrix, &margin)) { 27388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 27398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2741a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27425af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com // (possibly) trim the bounds to reflect the clip 27438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (plus whatever slop the filter needs) 27445af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (clipBounds) { 27455af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkIRect tmp = *clipBounds; 27463555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // Ugh. Guard against gigantic margins from wacky filters. Without this 27473555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // check we can request arbitrary amounts of slop beyond our visible 27483555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // clip, and bring down the renderer (at least on finite RAM machines 27493555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // like handsets, etc.). Need to balance this invented value between 27503555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // quality of large filters like blurs, and the corresponding memory 27513555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // requests. 27523555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com static const int MAX_MARGIN = 128; 27533555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com tmp.inset(-SkMin32(margin.fX, MAX_MARGIN), 27543555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com -SkMin32(margin.fY, MAX_MARGIN)); 27555af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (!bounds->intersect(tmp)) { 27565af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com return false; 27575af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com } 27588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 27618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27632ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.orgstatic void draw_into_mask(const SkMask& mask, const SkPath& devPath, 27642ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 2765045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBitmap bm; 2766045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkDraw draw; 2767045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRasterClip clip; 2768045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkMatrix matrix; 2769045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPaint paint; 27708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), mask.fBounds.height(), mask.fRowBytes); 27728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm.setPixels(mask.fImage); 27738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2774045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height())); 27758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 27768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 27778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBitmap = &bm; 2779045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fRC = &clip; 2780045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fClip = &clip.bwRgn(); 27818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 27828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBounder = NULL; 27838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 27842ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org paint.setStyle(style); 27858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawPath(devPath, paint); 27868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkDraw::DrawToMask(const SkPath& devPath, const SkIRect* clipBounds, 278930711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 27902ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkMask* mask, SkMask::CreateMode mode, 27912ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 27928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustRenderImage_CreateMode != mode) { 27938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!compute_bounds(devPath, clipBounds, filter, filterMatrix, &mask->fBounds)) 27948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 27958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2796a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kComputeBoundsAndRenderImage_CreateMode == mode) { 27988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fFormat = SkMask::kA8_Format; 27998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fRowBytes = mask->fBounds.width(); 2800543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask->computeImageSize(); 2801543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 2802543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // we're too big to allocate the mask, abort 2803543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return false; 2804543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 2805543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com mask->fImage = SkMask::AllocImage(size); 28068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask->fImage, 0, mask->computeImageSize()); 28078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 28088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 28098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustComputeBounds_CreateMode != mode) { 28102ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org draw_into_mask(*mask, devPath, style); 28118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2812a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 28138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 28148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2815