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 "SkCanvas.h" 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDevice.h" 131c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com#include "SkDeviceLooper.h" 142211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com#include "SkFixed.h" 158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkMaskFilter.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathEffect.h" 18045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com#include "SkRasterClip.h" 198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRasterizer.h" 20a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com#include "SkRRect.h" 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScan.h" 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 23a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org#include "SkSmallAllocator.h" 2476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#include "SkString.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkStroke.h" 26cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen#include "SkTextMapStateProc.h" 2732e5d97ccf60f859db063ebd6e903c362e625767reed@google.com#include "SkTLazy.h" 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 29559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org#include "SkVertState.h" 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkAutoKern.h" 328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBitmapProcShader.h" 338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDrawProcs.h" 34ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#include "SkMatrixUtils.h" 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 36a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//#define TRACE_BITMAP_DRAWS 388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 40fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com/** Helper for allocating small blitters on the stack. 41fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com */ 4240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBlitterChoose : SkNoncopyable { 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 441d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkAutoBlitterChoose() { 451d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com fBlitter = NULL; 461d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose(const SkBitmap& device, const SkMatrix& matrix, 48126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkPaint& paint, bool drawCoverage = false) { 49a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org fBlitter = SkBlitter::Choose(device, matrix, paint, &fAllocator, 50a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org drawCoverage); 51e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org } 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* operator->() { return fBlitter; } 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* get() const { return fBlitter; } 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 561d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com void choose(const SkBitmap& device, const SkMatrix& matrix, 571d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com const SkPaint& paint) { 581d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkASSERT(!fBlitter); 59a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org fBlitter = SkBlitter::Choose(device, matrix, paint, &fAllocator); 601d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 611d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 63a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Owned by fAllocator, which will handle the delete. 64a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* fBlitter; 65a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 67e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBlitterChoose(...) SK_REQUIRE_LOCAL_VAR(SkAutoBlitterChoose) 688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com/** 7040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * Since we are providing the storage for the shader (to avoid the perf cost 7140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * of calling new) we insist that in our destructor we can account for all 7240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * owners of the shader. 7340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com */ 7440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBitmapShaderInstall : SkNoncopyable { 758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 769c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint, 779c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkMatrix* localMatrix = NULL) 7840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com : fPaint(paint) /* makes a copy of the paint */ { 79a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org fPaint.setShader(CreateBitmapShader(src, SkShader::kClamp_TileMode, 80a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkShader::kClamp_TileMode, 819c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org localMatrix, &fAllocator)); 8240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // we deliberately left the shader with an owner-count of 2 8340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkASSERT(2 == fPaint.getShader()->getRefCnt()); 848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8582065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoBitmapShaderInstall() { 87a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // since fAllocator will destroy shader, we insist that owners == 2 88a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkASSERT(2 == fPaint.getShader()->getRefCnt()); 898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fPaint.setShader(NULL); // unref the shader by 1 918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9382065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 9440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // return the new paint that has the shader applied 9540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& paintWithShader() const { return fPaint; } 9682065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 98a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // copy of caller's paint (which we then modify) 99a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkPaint fPaint; 100a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Stores the shader. 101a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 1028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 103e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBitmapShaderInstall(...) SK_REQUIRE_LOCAL_VAR(SkAutoBitmapShaderInstall) 1048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 107f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comSkDraw::SkDraw() { 108f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com sk_bzero(this, sizeof(*this)); 109f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com} 110f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 1118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw::SkDraw(const SkDraw& src) { 1128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memcpy(this, &src, sizeof(*this)); 1138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1154bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.combool SkDraw::computeConservativeLocalClipBounds(SkRect* localBounds) const { 1164bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (fRC->isEmpty()) { 1174bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1184bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1194bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1204bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkMatrix inverse; 1214bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (!fMatrix->invert(&inverse)) { 1224bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1234bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1244bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1254bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkIRect devBounds = fRC->getBounds(); 1264bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com // outset to have slop for antialasing and hairlines 1274bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com devBounds.outset(1, 1); 1284bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com inverse.mapRect(localBounds, SkRect::Make(devBounds)); 1294bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return true; 1304bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com} 1314bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*BitmapXferProc)(void* pixels, size_t bytes, uint32_t data); 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Clear_BitmapXferProc(void* pixels, size_t bytes, uint32_t) { 1374516f4786f5dda1b86a8f825b9e8e910d9c2363creed@android.com sk_bzero(pixels, bytes); 1388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Dst_BitmapXferProc(void*, size_t, uint32_t data) {} 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D32_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 143a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org sk_memset32((uint32_t*)pixels, data, SkToInt(bytes >> 2)); 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D16_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 147a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org sk_memset16((uint16_t*)pixels, data, SkToInt(bytes >> 1)); 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void DA8_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(pixels, data, bytes); 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap, 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t* data) { 1578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // todo: we can apply colorfilter up front if no shader, so we wouldn't 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to abort this fastpath 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getShader() || paint.getColorFilter()) { 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 163845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com SkXfermode::Mode mode; 164be2aa2aa1f8bf73d974bdd9438fc741bbf0cfbe6mike@reedtribe.org if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { 1658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 167a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor color = paint.getColor(); 169a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // collaps modes based on color... 171845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com if (SkXfermode::kSrcOver_Mode == mode) { 1728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned alpha = SkColorGetA(color); 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == alpha) { 174845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kDst_Mode; 1758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (0xFF == alpha) { 176845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kSrc_Mode; 1778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 179a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 181845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kClear_Mode: 1828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Clear_BitmapXferProc\n"); 1838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Clear_BitmapXferProc; // ignore data 184845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kDst_Mode: 1858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Dst_BitmapXferProc\n"); 1868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Dst_BitmapXferProc; // ignore data 187845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kSrc_Mode: { 1888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 189a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com should I worry about dithering for the lower depths? 1908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor pmc = SkPreMultiplyColor(color); 192900ecf2f1579d42c9d2959831787af0346320f86reed@google.com switch (bitmap.colorType()) { 19328fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = pmc; 1968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D32_Src_BitmapXferProc\n"); 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D32_Src_BitmapXferProc; 199900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel16(pmc); 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 205900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkGetPackedA32(pmc); 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- DA8_Src_BitmapXferProc\n"); 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return DA8_Src_BitmapXferProc; 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void CallBitmapXferProc(const SkBitmap& bitmap, const SkIRect& rect, 2238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com BitmapXferProc proc, uint32_t procData) { 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int shiftPerPixel; 225900ecf2f1579d42c9d2959831787af0346320f86reed@google.com switch (bitmap.colorType()) { 22628fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 2278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 2; 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 229900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 1; 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 232900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 0; 2348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2360c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("Can't use xferproc on this config"); 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint8_t* pixels = (uint8_t*)bitmap.getPixels(); 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pixels); 2428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t rowBytes = bitmap.rowBytes(); 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const int widthBytes = rect.width() << shiftPerPixel; 2448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // skip down to the first scanline and X position 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rect.fTop * rowBytes + (rect.fLeft << shiftPerPixel); 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int scans = rect.height() - 1; scans >= 0; --scans) { 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(pixels, widthBytes, procData); 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rowBytes; 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPaint(const SkPaint& paint) const { 254f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 256045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devRect; 2618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devRect.set(0, 0, fBitmap->width(), fBitmap->height()); 262a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 263045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 264045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com /* If we don't have a shader (i.e. we're just a solid color) we may 265045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com be faster to operate directly on the device bitmap, rather than invoking 266045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com a blitter. Esp. true for xfermodes, which require a colorshader to be 267045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com present, which is just redundant work. Since we're drawing everywhere 268045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com in the clip, we don't have to worry about antialiasing. 269045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com */ 270045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t procData = 0; // to avoid the warning 271045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com BitmapXferProc proc = ChooseBitmapXferProc(*fBitmap, paint, &procData); 272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (proc) { 273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (D_Dst_BitmapXferProc == proc) { // nothing to do 274045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 275045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 276a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 277045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRegion::Iterator iter(fRC->bwRgn()); 278045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com while (!iter.done()) { 279045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com CallBitmapXferProc(*fBitmap, iter.rect(), proc, procData); 280045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com iter.next(); 281045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 282045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 2838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 285045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 286045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // normal case: use a blitter 287045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 288045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(devRect, *fRC, blitter.get()); 2898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 2928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct PtProcRec { 2948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas::PointMode fMode; 2958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint* fPaint; 2968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRegion* fClip; 297045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip* fRC; 298a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // computed values 3008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fRadius; 301a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const PtProcRec&, const SkPoint devPts[], int count, 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool init(SkCanvas::PointMode, const SkPaint&, const SkMatrix* matrix, 306045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip*); 307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com Proc chooseProc(SkBlitter** blitter); 308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 309045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comprivate: 310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper fWrapper; 3118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(rec.fClip->isRect()); 3168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkIRect& r = rec.fClip->getBounds(); 317a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3192d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3202d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_16_hair_proc(const PtProcRec& rec, 3288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint devPts[], int count, 3298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter) { 330045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(rec.fRC->isRect()); 331045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 3338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(bitmap); 335c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint16_t* addr = bitmap->getAddr16(0, 0); 337e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com size_t rb = bitmap->rowBytes(); 338c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3402d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3412d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ((uint16_t*)((char*)addr + y * rb))[x] = SkToU16(value); 3448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3482d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.comstatic void bw_pt_rect_32_hair_proc(const PtProcRec& rec, 3492d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkPoint devPts[], int count, 3502d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkBlitter* blitter) { 3512d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(rec.fRC->isRect()); 3522d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3532d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com uint32_t value; 3542d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3552d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(bitmap); 356c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3572d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkPMColor* addr = bitmap->getAddr32(0, 0); 358e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com size_t rb = bitmap->rowBytes(); 359c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3602d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com for (int i = 0; i < count; i++) { 3612d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3622d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3632d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (r.contains(x, y)) { 3642d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com ((SkPMColor*)((char*)addr + y * rb))[x] = value; 3652d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3662d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3672d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com} 3682d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com 3698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 372e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 373e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (rec.fClip->contains(x, y)) { 3758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 383045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 3848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 390045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 3918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// aa versions 3958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 399045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 406045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// square procs (strokeWidth > 0 but matrix is square-scale (sx == sy) 4118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 418c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 4198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 424c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 425045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillXRect(r, *rec.fRC, blitter); 4268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 435a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 4368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 441a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 442045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiFillXRect(r, *rec.fRC, blitter); 4438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 446b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com// If this guy returns true, then chooseProc() must return a valid proc 4478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool PtProcRec::init(SkCanvas::PointMode mode, const SkPaint& paint, 448045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkMatrix* matrix, const SkRasterClip* rc) { 4498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect()) { 4508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.getStrokeWidth(); 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == width) { 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 456045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 457045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4582d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com fRadius = SK_FixedHalf; 4598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 461b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com if (paint.getStrokeCap() != SkPaint::kRound_Cap && 462b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com matrix->rectStaysRect() && SkCanvas::kPoints_PointMode == mode) { 4638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = matrix->get(SkMatrix::kMScaleX); 4648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = matrix->get(SkMatrix::kMScaleY); 4658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkScalarNearlyZero(sx - sy)) { 4668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (sx < 0) { 4678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sx = -sx; 4688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 472045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 473045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRadius = SkScalarToFixed(SkScalarMul(width, sx)) >> 1; 4758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 481045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comPtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) { 482b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com Proc proc = NULL; 483a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 484045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = *blitterPtr; 485045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 486045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fRC->bwRgn(); 487045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 488045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fWrapper.init(*fRC, blitter); 489045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fWrapper.getRgn(); 490045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = fWrapper.getBlitter(); 491045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com *blitterPtr = blitter; 492045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 493045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 4948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // for our arrays 4958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == SkCanvas::kPoints_PointMode); 4968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == SkCanvas::kLines_PointMode); 4978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(2 == SkCanvas::kPolygon_PointMode); 4988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)fMode <= (unsigned)SkCanvas::kPolygon_PointMode); 4998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5002d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fPaint->isAntiAlias()) { 5012d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (0 == fPaint->getStrokeWidth()) { 5028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const Proc gAAProcs[] = { 5038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com aa_square_proc, aa_line_hair_proc, aa_poly_hair_proc 5048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gAAProcs[fMode]; 5062d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (fPaint->getStrokeCap() != SkPaint::kRound_Cap) { 5072d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(SkCanvas::kPoints_PointMode == fMode); 5082d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = aa_square_proc; 5092d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 5102d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else { // BW 5112d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fRadius <= SK_FixedHalf) { // small radii and hairline 5128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) { 5138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 5148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bm = blitter->justAnOpaqueColor(&value); 515900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bm && kRGB_565_SkColorType == bm->colorType()) { 5168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_16_hair_proc; 51728fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org } else if (bm && kN32_SkColorType == bm->colorType()) { 5182d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = bw_pt_rect_32_hair_proc; 5198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_hair_proc; 5218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static Proc gBWProcs[] = { 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bw_pt_hair_proc, bw_line_hair_proc, bw_poly_hair_proc 5258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gBWProcs[fMode]; 5278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_square_proc; 5308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return proc; 5338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// each of these costs 8-bytes of stack space, so don't make it too large 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// must be even for lines/polygon to work 5378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define MAX_DEV_PTS 32 5388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count, 540f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkPoint pts[], const SkPaint& paint, 541f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com bool forceUseDevice) const { 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we're in lines mode, force count to be even 5438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kLines_PointMode == mode) { 5448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count &= ~(size_t)1; 5458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((long)count <= 0) { 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 550a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pts != NULL); 552f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 553a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 555045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 5568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com PtProcRec rec; 560045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) { 5618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint devPts[MAX_DEV_PTS]; 5648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 5658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* bltr = blitter.get(); 566045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com PtProcRec::Proc proc = rec.chooseProc(&bltr); 5678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // we have to back up subsequent passes if we're in polygon mode 5688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t backup = (SkCanvas::kPolygon_PointMode == mode); 569a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com do { 571a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org int n = SkToInt(count); 5728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (n > MAX_DEV_PTS) { 5738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n = MAX_DEV_PTS; 5748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix->mapPoints(devPts, pts, n); 5768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(rec, devPts, n, bltr); 5778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts += n - backup; 578a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org SkASSERT(SkToInt(count) >= n); 5798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= n; 5808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (count > 0) { 5818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += backup; 5828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } while (count != 0); 5848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 5868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPoints_PointMode: { 5878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // temporarily mark the paint as filling. 58840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint newPaint(paint); 58940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com newPaint.setStyle(SkPaint::kFill_Style); 5908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 59140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkScalar width = newPaint.getStrokeWidth(); 5928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar radius = SkScalarHalf(width); 593a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 59440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 5958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 5968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix preMatrix; 597a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.addCircle(0, 0, radius); 5998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com preMatrix.setTranslate(pts[i].fX, pts[i].fY); 6018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // pass true for the last point, since we can modify 6028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // then path then 603f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 60440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawPath(*this, path, newPaint, &preMatrix, 605f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com (count-1) == i); 606f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 60740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawPath(path, newPaint, &preMatrix, 60840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com (count-1) == i); 609f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 613a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = pts[i].fX - radius; 6168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = pts[i].fY - radius; 6178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = r.fLeft + width; 6188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = r.fTop + width; 619f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 62040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawRect(*this, r, newPaint); 621f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 62240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawRect(r, newPaint); 623f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 6278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kLines_PointMode: 629629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#ifndef SK_DISABLE_DASHING_OPTIMIZATION 630629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com if (2 == count && NULL != paint.getPathEffect()) { 631629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // most likely a dashed line - see if it is one of the ones 632629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // we can accelerate 633629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkStrokeRec rec(paint); 6346d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkPathEffect::PointData pointData; 635629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 636629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPath path; 637629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.moveTo(pts[0]); 638629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.lineTo(pts[1]); 639629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6404bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect = SkRect::Make(fRC->getBounds()); 6414024f32d99b63a599c544a49f526e53c25135159skia.committer@gmail.com 6424bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (paint.getPathEffect()->asPoints(&pointData, path, rec, 6434bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com *fMatrix, &cullRect)) { 6446d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // 'asPoints' managed to find some fast path 6456d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 646629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPaint newP(paint); 647629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com newP.setPathEffect(NULL); 648935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com newP.setStyle(SkPaint::kFill_Style); 649629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6506d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fFirst.isEmpty()) { 6516d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6526d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fFirst, newP); 6536d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6546d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fFirst, newP); 6556d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 656629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 6576d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6586d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fLast.isEmpty()) { 6596d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6606d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fLast, newP); 6616d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6626d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fLast, newP); 6636d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6646d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6656d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6666d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (pointData.fSize.fX == pointData.fSize.fY) { 6676d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line can just be drawn as points 6686d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkASSERT(pointData.fSize.fX == SkScalarHalf(newP.getStrokeWidth())); 6696d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6706d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (SkPathEffect::PointData::kCircles_PointFlag & pointData.fFlags) { 6716d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kRound_Cap); 6726d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6736d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kButt_Cap); 6746d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6756d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6766d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6777a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com fDevice->drawPoints(*this, 6786d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkCanvas::kPoints_PointMode, 6796d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 6806d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 6816d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP); 6826d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6836d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPoints(SkCanvas::kPoints_PointMode, 6846d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 6856d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 6866d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP, 6876d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com forceUseDevice); 6886d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6896d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com break; 690935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } else { 6916d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line must be drawn as rects 6927a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com SkASSERT(!(SkPathEffect::PointData::kCircles_PointFlag & 6936d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fFlags)); 6946d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6956d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkRect r; 6966d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6976d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com for (int i = 0; i < pointData.fNumPoints; ++i) { 6986d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com r.set(pointData.fPoints[i].fX - pointData.fSize.fX, 6996d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY - pointData.fSize.fY, 7006d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fX + pointData.fSize.fX, 7016d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY + pointData.fSize.fY); 7026d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7036d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawRect(*this, r, newP); 7046d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7056d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawRect(r, newP); 7066d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7076d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 708935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } 7096d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 710629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com break; 711629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 712629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 713629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#endif // DISABLE_DASHING_OPTIMIZATION 714629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // couldn't take fast path so fall through! 7158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPolygon_PointMode: { 7168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= 1; 7178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 7188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 7198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setStyle(SkPaint::kStroke_Style); 7208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t inc = (SkCanvas::kLines_PointMode == mode) ? 2 : 1; 7218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i += inc) { 7228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.moveTo(pts[i]); 7238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.lineTo(pts[i+1]); 724f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 725f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fDevice->drawPath(*this, path, p, NULL, true); 726f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 727f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com this->drawPath(path, p, NULL, true); 728f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 7298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.rewind(); 7308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 7328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 737761fb62b0eb174783316d2a8b933fba896ca6355reed@google.comstatic bool easy_rect_join(const SkPaint& paint, const SkMatrix& matrix, 738761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint* strokeSize) { 739761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com if (SkPaint::kMiter_Join != paint.getStrokeJoin() || 740761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com paint.getStrokeMiter() < SK_ScalarSqrt2) { 741761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return false; 742761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com } 743fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 744761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkASSERT(matrix.rectStaysRect()); 745761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint pt = { paint.getStrokeWidth(), paint.getStrokeWidth() }; 746761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com matrix.mapVectors(strokeSize, &pt, 1); 7476115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fX = SkScalarAbs(strokeSize->fX); 7486115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fY = SkScalarAbs(strokeSize->fY); 749761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return true; 7507ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org} 7517ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 75262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comSkDraw::RectType SkDraw::ComputeRectType(const SkPaint& paint, 75362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const SkMatrix& matrix, 75462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint* strokeSize) { 7557ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org RectType rtype; 7567ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org const SkScalar width = paint.getStrokeWidth(); 75762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const bool zeroWidth = (0 == width); 7587ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::Style style = paint.getStyle(); 759fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7607ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if ((SkPaint::kStrokeAndFill_Style == style) && zeroWidth) { 7617ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org style = SkPaint::kFill_Style; 7627ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 763fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect() || paint.getMaskFilter() || 76562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com paint.getRasterizer() || !matrix.rectStaysRect() || 7667ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::kStrokeAndFill_Style == style) { 76762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com rtype = kPath_RectType; 76862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (SkPaint::kFill_Style == style) { 7697ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kFill_RectType; 7707ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else if (zeroWidth) { 7717ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kHair_RectType; 77262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (easy_rect_join(paint, matrix, strokeSize)) { 7737ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kStroke_RectType; 7747ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 7757ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kPath_RectType; 7767ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 77762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return rtype; 77862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com} 77962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 7807324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic const SkPoint* rect_points(const SkRect& r) { 781fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<const SkPoint*>(&r); 7827324415759fe0c5a0902877b664aa942a89bd940reed@google.com} 7837324415759fe0c5a0902877b664aa942a89bd940reed@google.com 7847324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic SkPoint* rect_points(SkRect& r) { 785fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<SkPoint*>(&r); 78640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com} 78740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com 78862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comvoid SkDraw::drawRect(const SkRect& rect, const SkPaint& paint) const { 78962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkDEBUGCODE(this->validate();) 7907ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 79162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com // nothing to draw 792045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 79362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return; 79462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } 79562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 79662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint strokeSize; 79762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com RectType rtype = ComputeRectType(paint, *fMatrix, &strokeSize); 79862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 7997ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (kPath_RectType == rtype) { 8008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmp; 8018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.addRect(rect); 8028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.setFillType(SkPath::kWinding_FillType); 803187d5595901d1120d9425851e5afdd773f574502reed@android.com this->drawPath(tmp, paint, NULL, true); 8048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix = *fMatrix; 8088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect devRect; 8098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform rect into devRect 8117324415759fe0c5a0902877b664aa942a89bd940reed@google.com matrix.mapPoints(rect_points(devRect), rect_points(rect), 2); 8127324415759fe0c5a0902877b664aa942a89bd940reed@google.com devRect.sort(); 8138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // look for the quick exit, before we build a blitter 8151c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkIRect ir; 8161c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com devRect.roundOut(&ir); 8171c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.getStyle() != SkPaint::kFill_Style) { 8181c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // extra space for hairlines 8191c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com ir.inset(-1, -1); 8201c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8211c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (fRC->quickReject(ir)) { 8221c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com return; 8238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8251c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkDeviceLooper looper(*fBitmap, *fRC, ir, paint.isAntiAlias()); 8261c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com while (looper.next()) { 8271c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkRect localDevRect; 8281c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com looper.mapRect(&localDevRect, devRect); 8291c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkMatrix localMatrix; 8301c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com looper.mapMatrix(&localMatrix, matrix); 8311c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 8321c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkAutoBlitterChoose blitterStorage(looper.getBitmap(), localMatrix, 8331c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com paint); 8341c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com const SkRasterClip& clip = looper.getRC(); 8351c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkBlitter* blitter = blitterStorage.get(); 8361c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 8371c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // we want to "fill" if we are kFill or kStrokeAndFill, since in the latter 8381c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // case we are also hairline (if we've gotten to here), which devolves to 8391c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // effectively just kFill 8401c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com switch (rtype) { 8411c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kFill_RectType: 8421c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8431c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFillRect(localDevRect, clip, blitter); 8441c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8451c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FillRect(localDevRect, clip, blitter); 8461c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8471c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8481c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kStroke_RectType: 8491c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8501c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFrameRect(localDevRect, strokeSize, clip, blitter); 8511c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8521c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FrameRect(localDevRect, strokeSize, clip, blitter); 8531c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8541c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8551c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kHair_RectType: 8561c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8571c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiHairRect(localDevRect, clip, blitter); 8581c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8591c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::HairRect(localDevRect, clip, blitter); 8601c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8611c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8621c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com default: 8631c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkDEBUGFAIL("bad rtype"); 8641c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 8678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const { 8698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (srcM.fBounds.isEmpty()) { 8708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8730a60b3d32eae945688b69599f11679662657f751bungeman@google.com const SkMask* mask = &srcM; 8748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8750a60b3d32eae945688b69599f11679662657f751bungeman@google.com SkMask dstM; 8768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getMaskFilter() && 8778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.getMaskFilter()->filterMask(&dstM, srcM, *fMatrix, NULL)) { 8788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask = &dstM; 879bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com } else { 880bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com dstM.fImage = NULL; 8818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 88202f55841854ae32f21a13417e9ee711463e488cfbungeman@google.com SkAutoMaskFreeImage ami(dstM.fImage); 8838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 884045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser(*fBitmap, *fMatrix, paint); 885045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = blitterChooser.get(); 886045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 887045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 888045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRegion* clipRgn; 8898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 890045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 891045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &fRC->bwRgn(); 892045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 893045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 894045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &wrapper.getRgn(); 895045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 896045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 897045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter->blitMaskRegion(*mask, *clipRgn); 8988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 8998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 900ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.comstatic SkScalar fast_len(const SkVector& vec) { 901ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar x = SkScalarAbs(vec.fX); 902ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar y = SkScalarAbs(vec.fY); 903ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com if (x < y) { 904ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkTSwap(x, y); 905ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 906ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return x + SkScalarHalf(y); 907ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 908ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 909ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.comstatic bool xfermodeSupportsCoverageAsAlpha(SkXfermode* xfer) { 910ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com SkXfermode::Coeff dc; 911ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (!SkXfermode::AsCoeff(xfer, NULL, &dc)) { 912ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 913ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 914fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 915ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com switch (dc) { 916ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kOne_Coeff: 917ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISA_Coeff: 918ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISC_Coeff: 919ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return true; 920ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com default: 921ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 922ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 923ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com} 924ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 925e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.orgbool SkDrawTreatAAStrokeAsHairline(SkScalar strokeWidth, const SkMatrix& matrix, 926e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkScalar* coverage) { 927e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkASSERT(strokeWidth > 0); 928e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org // We need to try to fake a thick-stroke with a modulated hairline. 929ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 9308d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com if (matrix.hasPerspective()) { 931ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 932ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 933ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 934ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkVector src[2], dst[2]; 935ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[0].set(strokeWidth, 0); 936ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[1].set(0, strokeWidth); 937ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com matrix.mapVectors(dst, src, 2); 938ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len0 = fast_len(dst[0]); 939ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len1 = fast_len(dst[1]); 940652807bbc8c57e5fa9622126b51fd369f5c67935agl@chromium.org if (len0 <= SK_Scalar1 && len1 <= SK_Scalar1) { 941e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org if (NULL != coverage) { 942e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org *coverage = SkScalarAve(len0, len1); 943e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org } 944ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return true; 945ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 946ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 947ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 948ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 949a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comvoid SkDraw::drawRRect(const SkRRect& rrect, const SkPaint& paint) const { 950a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkDEBUGCODE(this->validate()); 951a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 952a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (fRC->isEmpty()) { 953a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; 954a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 955a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 956a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com { 957a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // TODO: Investigate optimizing these options. They are in the same 958a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // order as SkDraw::drawPath, which handles each case. It may be 959a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // that there is no way to optimize for these using the SkRRect path. 960a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkScalar coverage; 961a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (SkDrawTreatAsHairline(paint, *fMatrix, &coverage)) { 962a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 963a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 964a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 965a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getPathEffect() || paint.getStyle() != SkPaint::kFill_Style) { 966a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 967a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 968a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 969a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getRasterizer()) { 970a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 971a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 972a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 973a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 974a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getMaskFilter()) { 975a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Transform the rrect into device space. 976a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkRRect devRRect; 977a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (rrect.transform(*fMatrix, &devRRect)) { 978a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 979868074b50b0fc3e460d2aa97c1096827fe0a1935reed if (paint.getMaskFilter()->filterRRect(devRRect, *fMatrix, *fRC, blitter.get(), 980a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPaint::kFill_Style)) { 981a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; // filterRRect() called the blitter, so we're done 982a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 983a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 984a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 985a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 986a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comDRAW_PATH: 987a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Now fall back to the default case of using a path. 988a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPath path; 989a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com path.addRRect(rrect); 990a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com this->drawPath(path, paint, NULL, true); 991a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com} 992a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 99332e5d97ccf60f859db063ebd6e903c362e625767reed@google.comvoid SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint, 994126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkMatrix* prePathMatrix, bool pathIsMutable, 995126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com bool drawCoverage) const { 996f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 9978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 999045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 10008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* pathPtr = (SkPath*)&origSrcPath; 10048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool doFill = true; 10058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmpPath; 10068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix tmpMatrix; 10078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 10088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (prePathMatrix) { 101032e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (origPaint.getPathEffect() || origPaint.getStyle() != SkPaint::kFill_Style || 101132e5d97ccf60f859db063ebd6e903c362e625767reed@google.com origPaint.getRasterizer()) { 10128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* result = pathPtr; 1013a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!pathIsMutable) { 10158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com result = &tmpPath; 10168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathIsMutable = true; 10178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*prePathMatrix, result); 10198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = result; 10208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 102192362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org tmpMatrix.setConcat(*matrix, *prePathMatrix); 10228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix = &tmpMatrix; 10238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // at this point we're done with prePathMatrix 10268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) 1027a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10285dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1029a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1030ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com { 1031dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar coverage; 1032dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SkDrawTreatAsHairline(origPaint, *matrix, &coverage)) { 1033dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SK_Scalar1 == coverage) { 10345dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com paint.writable()->setStrokeWidth(0); 1035dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } else if (xfermodeSupportsCoverageAsAlpha(origPaint.getXfermode())) { 1036dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com U8CPU newAlpha; 1037dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#if 0 1038dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = SkToU8(SkScalarRoundToInt(coverage * 1039dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com origPaint.getAlpha())); 1040dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#else 1041dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // this is the old technique, which we preserve for now so 1042dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // we don't change previous results (testing) 1043dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // the new way seems fine, its just (a tiny bit) different 1044dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com int scale = (int)SkScalarMul(coverage, 256); 1045dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = origPaint.getAlpha() * scale >> 8; 1046dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#endif 10475dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkPaint* writablePaint = paint.writable(); 10485dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setStrokeWidth(0); 10495dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setAlpha(newAlpha); 1050dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } 10518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1053a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 105432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { 10554bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect; 10564bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com const SkRect* cullRectPtr = NULL; 10574bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (this->computeConservativeLocalClipBounds(&cullRect)) { 10584bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com cullRectPtr = &cullRect; 10594bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 10604bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com doFill = paint->getFillPath(*pathPtr, &tmpPath, cullRectPtr); 10618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = &tmpPath; 10628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1063a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 106432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()) { 10658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 106632e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()->rasterize(*pathPtr, *matrix, 1067045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com &fRC->getBounds(), paint->getMaskFilter(), &mask, 10688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::kComputeBoundsAndRenderImage_CreateMode)) { 106932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com this->drawDevMask(mask, *paint); 10708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::FreeImage(mask.fImage); 10718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // avoid possibly allocating a new path in transform if we can 10768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; 10778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform the path into device space 10798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*matrix, devPathPtr); 10808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1081126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, *paint, drawCoverage); 10828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10832ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()) { 1084fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkPaint::Style style = doFill ? SkPaint::kFill_Style : 10852ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::kStroke_Style; 1086868074b50b0fc3e460d2aa97c1096827fe0a1935reed if (paint->getMaskFilter()->filterPath(*devPathPtr, *fMatrix, *fRC, blitter.get(), style)) { 10872ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org return; // filterPath() called the blitter, so we're done 10882ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org } 10898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1091045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); 10928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 109332e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1094045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiFillPath; 10958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1096045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::FillPath; 10978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 109932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1100045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiHairPath; 11018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1102045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::HairPath; 11038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1105045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc(*devPathPtr, *fRC, blitter.get()); 11068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11080baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com/** For the purposes of drawing bitmaps, if a matrix is "almost" translate 11090baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com go ahead and treat it as if it were, so that subsequent code can go fast. 11100baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com */ 11110baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.comstatic bool just_translate(const SkMatrix& matrix, const SkBitmap& bitmap) { 1112070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com unsigned bits = 0; // TODO: find a way to allow the caller to tell us to 1113070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com // respect filtering. 1114070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com return SkTreatAsSprite(matrix, bitmap.width(), bitmap.height(), bits); 11158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmapAsMask(const SkBitmap& bitmap, 11188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1119900ecf2f1579d42c9d2959831787af0346320f86reed@google.com SkASSERT(bitmap.colorType() == kAlpha_8_SkColorType); 11208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1121a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com if (just_translate(*fMatrix, bitmap)) { 1122e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(fMatrix->getTranslateX()); 1123e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(fMatrix->getTranslateY()); 11248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1125a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com SkAutoLockPixels alp(bitmap); 1126a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com if (!bitmap.readyToDraw()) { 1127a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com return; 1128a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com } 1129a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com 11308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 11318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 11328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 1133e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com mask.fRowBytes = SkToU32(bitmap.rowBytes()); 11348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = bitmap.getAddr8(0, 0); 1135a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 11378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // need to xform the bitmap first 11388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 11398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1140a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, 11428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); 11438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapRect(&r); 11448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.round(&mask.fBounds); 1145a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // set the mask's bounds to the transformed bitmap-bounds, 11478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // clipped to the actual device 11488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 11498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devBounds; 11508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devBounds.set(0, 0, fBitmap->width(), fBitmap->height()); 11518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need intersect(l, t, r, b) on irect 11528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!mask.fBounds.intersect(devBounds)) { 11538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1156543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com 11578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 11588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = SkAlign4(mask.fBounds.width()); 1159543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask.computeImageSize(); 1160543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 1161543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // the mask is too big to allocated, draw nothing 1162543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return; 1163543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 11648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // allocate (and clear) our temp buffer to hold the transformed bitmap 11668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoMalloc storage(size); 11678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = (uint8_t*)storage.get(); 11688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask.fImage, 0, size); 1169a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now draw our bitmap(src) into mask(dst), transformed by the matrix 11718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 11728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap device; 1173a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org device.installPixels(SkImageInfo::MakeA8(mask.fBounds.width(), mask.fBounds.height()), 1174a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org mask.fImage, mask.fRowBytes); 1175a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas c(device); 11778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need the unclipped top/left for the translate 11788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.translate(-SkIntToScalar(mask.fBounds.fLeft), 11798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 11808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.concat(*fMatrix); 11813469c76c40790b409621fd7eff34f56240718549reed@android.com 11823469c76c40790b409621fd7eff34f56240718549reed@android.com // We can't call drawBitmap, or we'll infinitely recurse. Instead 1183fb12c3e6ba84f95dc15fbaddc239dede0ba1d60ereed@android.com // we manually build a shader and draw that into our new mask 11843469c76c40790b409621fd7eff34f56240718549reed@android.com SkPaint tmpPaint; 11853469c76c40790b409621fd7eff34f56240718549reed@android.com tmpPaint.setFlags(paint.getFlags()); 118640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, tmpPaint); 11873469c76c40790b409621fd7eff34f56240718549reed@android.com SkRect rr; 11883469c76c40790b409621fd7eff34f56240718549reed@android.com rr.set(0, 0, SkIntToScalar(bitmap.width()), 11893469c76c40790b409621fd7eff34f56240718549reed@android.com SkIntToScalar(bitmap.height())); 119040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com c.drawRect(rr, install.paintWithShader()); 11918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 11938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1196045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& m, const SkRasterClip& c, 11978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRect& srcR) { 11988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect dstR; 11998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devIR; 1200a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.mapRect(&dstR, srcR); 1202a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com dstR.roundOut(&devIR); 12038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return c.quickReject(devIR); 12048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1206045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& matrix, const SkRasterClip& clip, 12078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int width, int height) { 12088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height)); 12108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return clipped_out(matrix, clip, r); 12118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1213045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipHandlesSprite(const SkRasterClip& clip, int x, int y, 1214045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkBitmap& bitmap) { 1215045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return clip.isBW() || 1216045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.quickContains(x, y, x + bitmap.width(), y + bitmap.height()); 1217045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1218045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 12198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix, 122040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1221f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 12228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1224045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1226900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 12278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1229a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 123040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 123140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 1232a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 123492362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org matrix.setConcat(*fMatrix, prematrix); 12358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1236045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipped_out(matrix, *fRC, bitmap.width(), bitmap.height())) { 12378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1240868074b50b0fc3e460d2aa97c1096827fe0a1935reed if (bitmap.colorType() != kAlpha_8_SkColorType && just_translate(matrix, bitmap)) { 1241f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1242f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // It is safe to call lock pixels now, since we know the matrix is 1243f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // (more or less) identity. 1244f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1245f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com SkAutoLockPixels alp(bitmap); 1246f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com if (!bitmap.readyToDraw()) { 1247f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com return; 1248f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com } 1249e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(matrix.getTranslateX()); 1250e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(matrix.getTranslateY()); 1251045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipHandlesSprite(*fRC, ix, iy, bitmap)) { 1252a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1253a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 1254a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 1255a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org ix, iy, &allocator); 1256045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (blitter) { 1257045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect ir; 1258045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1259045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1260045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(ir, *fRC, blitter); 1261045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 12628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1265a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now make a temp draw on the stack, and use it 12678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // 12688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 12698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 1270a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1271900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bitmap.colorType() == kAlpha_8_SkColorType) { 12728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawBitmapAsMask(bitmap, paint); 12738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 127440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 12758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(bitmap.width()), 12788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.height())); 1279a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this ok if paint has a rasterizer? 128040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, install.paintWithShader()); 12818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, 128540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1286f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 1287a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1289045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1291900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 12928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect bounds; 12968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(x, y, x + bitmap.width(), y + bitmap.height()); 12978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1298045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(bounds)) { 12998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; // nothing to draw 13008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 130240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 130340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 13048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1305045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, bitmap)) { 1306a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1307a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 1308a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 1309a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org x, y, &allocator); 13108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (blitter) { 1312045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(bounds, *fRC, blitter); 13138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // get a scalar version of our rect 13218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(bounds); 13228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13239c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org // create shader with offset 13248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(r.fLeft, r.fTop); 13259c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkAutoBitmapShaderInstall install(bitmap, paint, &matrix); 13269c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkPaint& shaderPaint = install.paintWithShader(); 1327a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.reset(); 13308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 13318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // call ourself with a rect 1332a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this OK if paint has a rasterizer? 133340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, shaderPaint); 13348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 13378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScalerContext.h" 13398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGlyphCache.h" 1340e69137620ab0b5b40d230318c8e11b822f63cb9dreed@google.com#include "SkTextToPathIter.h" 13418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 13428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void measure_text(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc, 13448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char text[], size_t byteLength, SkVector* stopVector) { 13458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = 0, y = 0; 13468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 13478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 1349a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 13518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // don't need x, y here, since all subpixel variants will have the 13528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // same advance 13538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 13548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += autokern.adjust(glyph) + glyph.fAdvanceX; 13568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += glyph.fAdvanceY; 13578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopVector->set(SkFixedToScalar(x), SkFixedToScalar(y)); 13598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(text == stop); 13618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13638128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.orgbool SkDraw::ShouldDrawTextAsPaths(const SkPaint& paint, const SkMatrix& ctm) { 13648128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // hairline glyphs are fast enough so we don't need to cache them 13658128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (SkPaint::kStroke_Style == paint.getStyle() && 0 == paint.getStrokeWidth()) { 13668128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 13678128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 13688128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 13698128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // we don't cache perspective 13708128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (ctm.hasPerspective()) { 13718128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 13728128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 13738128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 13748128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org SkMatrix textM; 13758128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return SkPaint::TooBigToUseCache(ctm, *paint.setTextMatrix(&textM)); 13768128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org} 13778128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 13788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText_asPaths(const char text[], size_t byteLength, 13798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, 13808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1381f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 13828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1383166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 13848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setScale(iter.getPathScale(), iter.getPathScale()); 13878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(x, y); 13888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 13908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos, prevXPos = 0; 13918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13927b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 13938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(xpos - prevXPos, 0); 13947b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 13957b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com const SkPaint& pnt = iter.getPaint(); 13967b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 13977b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, *iterPath, pnt, &matrix, false); 13987b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 13997b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(*iterPath, pnt, &matrix, false); 14007b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1401f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 14028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com prevXPos = xpos; 14038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// disable warning : local variable used without having been initialized 1407a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#if defined _WIN32 && _MSC_VER >= 1300 14088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( push ) 14098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( disable : 4701 ) 14108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 14118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 14138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1414868074b50b0fc3e460d2aa97c1096827fe0a1935reedstatic void D1G_RectClip(const SkDraw1Glyph& state, SkFixed fx, SkFixed fy, const SkGlyph& glyph) { 14159fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int left = SkFixedFloorToInt(fx); 14169fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int top = SkFixedFloorToInt(fy); 14178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 141883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT((NULL == state.fClip && state.fAAClip) || 141983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com (state.fClip && NULL == state.fAAClip && state.fClip->isRect())); 14208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 14228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 14238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int right = left + glyph.fWidth; 14258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int bottom = top + glyph.fHeight; 14268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1427fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkMask mask; 1428fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect storage; 1429fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect* bounds = &mask.fBounds; 143083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 143183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fBounds.set(left, top, right, bottom); 143283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 143383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // this extra test is worth it, assuming that most of the time it succeeds 143483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // since we can avoid writing to storage 143583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!state.fClipBounds.containsNoEmptyCheck(left, top, right, bottom)) { 143683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!storage.intersectNoEmptyCheck(mask.fBounds, state.fClipBounds)) 143783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 143883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com bounds = &storage; 143983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 144083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 144183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com uint8_t* aa = (uint8_t*)glyph.fImage; 144283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 144383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 144483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 144583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; // can't rasterize glyph 14468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 144783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 14488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 144983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 145083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 145183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = aa; 14525bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com state.blitMask(mask, *bounds); 14538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1455868074b50b0fc3e460d2aa97c1096827fe0a1935reedstatic void D1G_RgnClip(const SkDraw1Glyph& state, SkFixed fx, SkFixed fy, const SkGlyph& glyph) { 14569fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int left = SkFixedFloorToInt(fx); 14579fb00413ec55deb3a4953d4dff2dba3ec5cdb645mike@reedtribe.org int top = SkFixedFloorToInt(fy); 14588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 145983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(!state.fClip->isRect()); 14608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 14628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 14648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 14658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 146783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 146883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 146983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 147083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 147183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 147283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 147383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 147483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 1475fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com return; 14768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 147783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 147883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 147983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 148083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 148183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 148283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 14835bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com state.blitMask(mask, cr); 148483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 148583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 148683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 14878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1489fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool hasCustomD1GProc(const SkDraw& draw) { 1490fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return draw.fProcs && draw.fProcs->fD1GProc; 1491fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1492fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 1493fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool needsRasterTextBlit(const SkDraw& draw) { 1494fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return !hasCustomD1GProc(draw); 1495fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1496fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 1497868074b50b0fc3e460d2aa97c1096827fe0a1935reedSkDraw1Glyph::Proc SkDraw1Glyph::init(const SkDraw* draw, SkBlitter* blitter, SkGlyphCache* cache, 1498868074b50b0fc3e460d2aa97c1096827fe0a1935reed const SkPaint& pnt) { 14998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDraw = draw; 15002211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBlitter = blitter; 15012211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fCache = cache; 15025bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com fPaint = &pnt; 15038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15049447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (cache->isSubpixel()) { 15059447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fHalfSampleX = fHalfSampleY = (SK_FixedHalf >> SkGlyph::kSubBits); 15069447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else { 15079447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fHalfSampleX = fHalfSampleY = SK_FixedHalf; 15089447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 15099447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 15101d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (hasCustomD1GProc(*draw)) { 1511045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // todo: fix this assumption about clips w/ custom 1512045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = draw->fClip; 1513045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 15148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return draw->fProcs->fD1GProc; 15158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1517045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (draw->fRC->isBW()) { 1518045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = NULL; 1519045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &draw->fRC->bwRgn(); 1520045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 1521868074b50b0fc3e460d2aa97c1096827fe0a1935reed if (fClip->isRect()) { 1522868074b50b0fc3e460d2aa97c1096827fe0a1935reed return D1G_RectClip; 1523045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1524868074b50b0fc3e460d2aa97c1096827fe0a1935reed return D1G_RgnClip; 1525045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1526045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { // aaclip 1527045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = &draw->fRC->aaRgn(); 1528045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 1529045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fAAClip->getBounds(); 1530868074b50b0fc3e460d2aa97c1096827fe0a1935reed return D1G_RectClip; 15318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15345bdfb331ac650cf464baa96a49e2473ee10a515creed@google.comvoid SkDraw1Glyph::blitMaskAsSprite(const SkMask& mask) const { 15355bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkASSERT(SkMask::kARGB32_Format == mask.fFormat); 15365bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 15375bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkBitmap bm; 1538a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org bm.installPixels(SkImageInfo::MakeN32Premul(mask.fBounds.width(), mask.fBounds.height()), 1539a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org (SkPMColor*)mask.fImage, mask.fRowBytes); 15405bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 15415bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com fDraw->drawSprite(bm, mask.fBounds.x(), mask.fBounds.y(), *fPaint); 15425bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com} 15435bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 15448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 15458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText(const char text[], size_t byteLength, 15478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint) const { 15488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 15498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1550f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 15518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1553045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 15548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 15558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 155736d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // SkScalarRec doesn't currently have a way of representing hairline stroke and 155836d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // will fill if its frame-width is 0. 1559ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 15608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawText_asPaths(text, byteLength, x, y, paint); 15618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 15628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 15658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15669447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, fMatrix); 15678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1568a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 15698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform our starting point 15708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 15718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint loc; 15729447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fMatrix->mapXY(x, y, &loc); 15738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = loc.fX; 15748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y = loc.fY; 15758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 15788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 15798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector stop; 15808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com measure_text(cache, glyphCacheProc, text, byteLength, &stop); 15828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopX = stop.fX; 15848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopY = stop.fY; 15858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 15878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopX = SkScalarHalf(stopX); 15888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopY = SkScalarHalf(stopY); 15898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x -= stopX; 15918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y -= stopY; 15928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1593a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 15948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 15958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1596045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitter aaBlitter; 1597045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1598045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 15991d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 16009447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com blitterChooser.choose(*fBitmap, *fMatrix, paint); 1601045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1602045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1603045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com aaBlitter.init(blitter, &fRC->aaRgn()); 1604045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = &aaBlitter; 1605045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 16061d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 16071d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 16088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 160952c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com SkDraw1Glyph d1g; 16105bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache, paint); 16118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16129447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fxMask = ~0; 16139447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fyMask = ~0; 16149447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (cache->isSubpixel()) { 16159447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*fMatrix); 16169447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (kX_SkAxisAlignment == baseline) { 16179447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fyMask = 0; 16189447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleY = SK_FixedHalf; 16199447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else if (kY_SkAxisAlignment == baseline) { 16209447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fxMask = 0; 16219447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleX = SK_FixedHalf; 16229447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 16239447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 16249447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 16259447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = SkScalarToFixed(x) + d1g.fHalfSampleX; 16269447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = SkScalarToFixed(y) + d1g.fHalfSampleY; 16279447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 16288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 16292211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask); 16308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += autokern.adjust(glyph); 16328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 163452c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com proc(d1g, fx, fy, glyph); 16358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1636d830d13c27437b4677a4a1abfa866d98dc2d2ab9jvanverth@google.com 16378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += glyph.fAdvanceX; 16388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fy += glyph.fAdvanceY; 16398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 16438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1644ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.comvoid SkDraw::drawPosText_asPaths(const char text[], size_t byteLength, 1645ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkScalar pos[], SkScalar constY, 1646ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com int scalarsPerPosition, 1647ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkPaint& origPaint) const { 1648ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com // setup our std paint, in hopes of getting hits in the cache 1649ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkPaint paint(origPaint); 1650ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkScalar matrixScale = paint.setupForAsPaths(); 1651ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 16525a64902ee92847f53dfc5b211da19d074179be64reed@google.com SkMatrix matrix; 16535a64902ee92847f53dfc5b211da19d074179be64reed@google.com matrix.setScale(matrixScale, matrixScale); 16548f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 16554e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org // Temporarily jam in kFill, so we only ever ask for the raw outline from the cache. 16564e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setStyle(SkPaint::kFill_Style); 16574e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setPathEffect(NULL); 16584e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org 1659ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 1660ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkAutoGlyphCache autoCache(paint, NULL, NULL); 1661ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkGlyphCache* cache = autoCache.getCache(); 1662ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 1663ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const char* stop = text + byteLength; 1664cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkTextAlignProcScalar alignProc(paint.getTextAlign()); 1665cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkTextMapStateProc tmsProc(SkMatrix::I(), constY, scalarsPerPosition); 16668f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 16674e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org // Now restore the original settings, so we "draw" with whatever style/stroking. 16684e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setStyle(origPaint.getStyle()); 16694e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setPathEffect(origPaint.getPathEffect()); 16704e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org 1671ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com while (text < stop) { 1672ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1673ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (glyph.fWidth) { 1674ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkPath* path = cache->findPath(glyph); 1675ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (path) { 1676cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1677cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 1678cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com SkPoint loc; 1679cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen alignProc(tmsLoc, glyph, &loc); 16808f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 1681cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransX] = loc.fX; 1682cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransY] = loc.fY; 16835a64902ee92847f53dfc5b211da19d074179be64reed@google.com if (fDevice) { 16845a64902ee92847f53dfc5b211da19d074179be64reed@google.com fDevice->drawPath(*this, *path, paint, &matrix, false); 16855a64902ee92847f53dfc5b211da19d074179be64reed@google.com } else { 16865a64902ee92847f53dfc5b211da19d074179be64reed@google.com this->drawPath(*path, paint, &matrix, false); 16875a64902ee92847f53dfc5b211da19d074179be64reed@google.com } 1688ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1689ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1690ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com pos += scalarsPerPosition; 1691ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1692ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com} 1693ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 16948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPosText(const char text[], size_t byteLength, 16958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[], SkScalar constY, 16968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scalarsPerPosition, const SkPaint& paint) const { 16978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 16988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 16998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1700f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 17018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1703045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 17048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 17058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1707ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 1708ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com this->drawPosText_asPaths(text, byteLength, pos, constY, 1709ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com scalarsPerPosition, paint); 17108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 17118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 17149447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, fMatrix); 17158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1716a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1717045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 1718045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1719045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 17201d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 17219447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com blitterChooser.choose(*fBitmap, *fMatrix, paint); 1722045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1723045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1724045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 1725045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 1726045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 17271d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 1728fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 17298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 1730cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkTextAlignProc alignProc(paint.getTextAlign()); 17312211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkDraw1Glyph d1g; 17325bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache, paint); 1733cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkTextMapStateProc tmsProc(*fMatrix, constY, scalarsPerPosition); 17348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17352211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com if (cache->isSubpixel()) { 17368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // maybe we should skip the rounding if linearText is set 17379447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*fMatrix); 17389447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 17399447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fxMask = ~0; 17409447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fyMask = ~0; 17419447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (kX_SkAxisAlignment == baseline) { 17429447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fyMask = 0; 17439447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX 17449447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleY = SK_FixedHalf; 17459447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#endif 17469447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else if (kY_SkAxisAlignment == baseline) { 17479447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fxMask = 0; 17489447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX 17499447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleX = SK_FixedHalf; 17509447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#endif 17519447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 17528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 17548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 1755cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1756cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 1757cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkFixed fx = SkScalarToFixed(tmsLoc.fX) + d1g.fHalfSampleX; 1758cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkFixed fy = SkScalarToFixed(tmsLoc.fY) + d1g.fHalfSampleY; 1759a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1760f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 1761f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fx & fxMask, fy & fyMask); 1762a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 1764f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com proc(d1g, fx, fy, glyph); 17658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 17678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 17698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 17709330cfe851b14b8985acc14caa3dc5ad20b0b2a8bungeman@google.com const char* currentText = text; 17719447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); 1772a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17739447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (metricGlyph.fWidth) { 17749447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkDEBUGCODE(SkFixed prevAdvX = metricGlyph.fAdvanceX;) 17759447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkDEBUGCODE(SkFixed prevAdvY = metricGlyph.fAdvanceY;) 1776cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1777cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 17789447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkIPoint fixedLoc; 1779cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen alignProc(tmsLoc, metricGlyph, &fixedLoc); 1780a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17819447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = fixedLoc.fX + d1g.fHalfSampleX; 17829447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = fixedLoc.fY + d1g.fHalfSampleY; 1783a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // have to call again, now that we've been "aligned" 17859447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, 17869447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fx & fxMask, fy & fyMask); 17879447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com // the assumption is that the metrics haven't changed 17889447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(prevAdvX == glyph.fAdvanceX); 17899447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(prevAdvY == glyph.fAdvanceY); 17909447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(glyph.fWidth); 1791a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17929447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com proc(d1g, fx, fy, glyph); 17938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 17958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // not subpixel 1798aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 1799aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 1800aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 1801aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1802fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 1803aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 1804cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1805cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 1806a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1807aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 1808cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkScalarToFixed(tmsLoc.fX) + SK_FixedHalf, //d1g.fHalfSampleX, 1809cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkScalarToFixed(tmsLoc.fY) + SK_FixedHalf, //d1g.fHalfSampleY, 1810aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 1811aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1812aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 1813aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1814aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } else { 1815aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 1816aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 1817aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1818a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1819aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 1820cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1821cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 1822a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1823aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com SkIPoint fixedLoc; 1824cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen alignProc(tmsLoc, glyph, &fixedLoc); 1825aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com 1826aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 18279447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fixedLoc.fX + SK_FixedHalf, //d1g.fHalfSampleX, 18289447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fixedLoc.fY + SK_FixedHalf, //d1g.fHalfSampleY, 1829aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 1830aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1831aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 18328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#if defined _WIN32 && _MSC_VER >= 1300 18388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( pop ) 18398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 18408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 18428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathMeasure.h" 18448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpoints(SkPoint dst[], const SkPoint src[], int count, 18468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure& meas, const SkMatrix& matrix) { 18478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc proc = matrix.getMapXYProc(); 18488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 18508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pos; 18518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector tangent; 18528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(matrix, src[i].fX, src[i].fY, &pos); 18548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = pos.fX; 18558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = pos.fY; 18568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18578f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com if (!meas.getPosTan(sx, &pos, &tangent)) { 18588f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com // set to 0 if the measure failed, so that we just set dst == pos 18598f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com tangent.set(0, 0); 18608f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com } 18618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* This is the old way (that explains our approach but is way too slow 18638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 18648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pt; 18658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pt.set(sx, sy); 18678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setSinCos(tangent.fY, tangent.fX); 18688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.preTranslate(-sx, 0); 18698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(pos.fX, pos.fY); 18708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapPoints(&dst[i], &pt, 1); 18718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 18728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[i].set(pos.fX - SkScalarMul(tangent.fY, sy), 18738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos.fY + SkScalarMul(tangent.fX, sy)); 18748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/* TODO 18788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Need differentially more subdivisions when the follow-path is curvy. Not sure how to 18808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com determine that, but we need it. I guess a cheap answer is let the caller tell us, 18818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com but that seems like a cop-out. Another answer is to get Rob Johnson to figure it out. 18828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com*/ 18838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpath(SkPath* dst, const SkPath& src, SkPathMeasure& meas, 18848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix) { 18858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Iter iter(src, false); 18868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint srcP[4], dstP[3]; 18878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Verb verb; 18888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while ((verb = iter.next(srcP)) != SkPath::kDone_Verb) { 18908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (verb) { 18918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kMove_Verb: 18928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 1, meas, matrix); 18938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->moveTo(dstP[0]); 18948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 18958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kLine_Verb: 18968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // turn lines into quads to look bendy 18978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fX = SkScalarAve(srcP[0].fX, srcP[1].fX); 18988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fY = SkScalarAve(srcP[0].fY, srcP[1].fY); 18998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 2, meas, matrix); 19008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 19018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 19028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kQuad_Verb: 19038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 2, meas, matrix); 19048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 19058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 19068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kCubic_Verb: 19078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 3, meas, matrix); 19088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->cubicTo(dstP[0], dstP[1], dstP[2]); 19098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 19108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kClose_Verb: 19118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->close(); 19128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 19138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 19140c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("unknown verb"); 19158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 19168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawTextOnPath(const char text[], size_t byteLength, 19218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath& follow, const SkMatrix* matrix, 19228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 19238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 19248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1926045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 19278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 19288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1930166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 19318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure meas(follow, false); 19328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar hOffset = 0; 19338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 19358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 19368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar pathLen = meas.getLength(); 19378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 19388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathLen = SkScalarHalf(pathLen); 19398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com hOffset += pathLen; 19418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 19448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos; 19458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix scaledMatrix; 19468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar scale = iter.getPathScale(); 19478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scaledMatrix.setScale(scale, scale); 1949a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19507b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 19517b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 19527b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkPath tmp; 19537b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkMatrix m(scaledMatrix); 19548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19557b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postTranslate(xpos + hOffset, 0); 19567b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (matrix) { 19577b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postConcat(*matrix); 19587b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 19597b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com morphpath(&tmp, *iterPath, meas, m); 19607b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 19617b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, tmp, iter.getPaint(), NULL, true); 19627b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 19637b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(tmp, iter.getPaint(), NULL, true); 19647b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1965f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 19668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 19708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1971045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comtypedef void (*HairProc)(const SkPoint&, const SkPoint&, const SkRasterClip&, 19728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 19738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic HairProc ChooseHairProc(bool doAntiAlias) { 19758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; 19768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool texture_to_matrix(const VertState& state, const SkPoint verts[], 19798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint texs[], SkMatrix* matrix) { 19808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src[3], dst[3]; 1981a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[0] = texs[state.f0]; 19838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[1] = texs[state.f1]; 19848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[2] = texs[state.f2]; 19858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[0] = verts[state.f0]; 19868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[1] = verts[state.f1]; 19878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[2] = verts[state.f2]; 19888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return matrix->setPolyToPoly(src, dst, 3); 19898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkTriColorShader : public SkShader { 19928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 19938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader() {} 19948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 199587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org virtual size_t contextSize() const SK_OVERRIDE; 1996a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 199787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org class TriColorShaderContext : public SkShader::Context { 199887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org public: 1999e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org TriColorShaderContext(const SkTriColorShader& shader, const ContextRec&); 200087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org virtual ~TriColorShaderContext(); 200187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 200287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org bool setup(const SkPoint pts[], const SkColor colors[], int, int, int); 200387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 200487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; 200587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 200687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org private: 200787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkMatrix fDstToUnit; 200887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkPMColor fColors[3]; 200987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 201087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org typedef SkShader::Context INHERITED; 201187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org }; 2012a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20130f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org SK_TO_STRING_OVERRIDE() 2014ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTriColorShader) 2015ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 20168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 20178b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org SkTriColorShader(SkReadBuffer& buffer) : SkShader(buffer) {} 2018a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2019ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org virtual Context* onCreateContext(const ContextRec& rec, void* storage) const SK_OVERRIDE { 2020ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org return SkNEW_PLACEMENT_ARGS(storage, TriColorShaderContext, (*this, rec)); 2021ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org } 2022ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org 20238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 20248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkShader INHERITED; 20258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 20268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 202787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgbool SkTriColorShader::TriColorShaderContext::setup(const SkPoint pts[], const SkColor colors[], 202887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int index0, int index1, int index2) { 2029a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[0] = SkPreMultiplyColor(colors[index0]); 20318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[1] = SkPreMultiplyColor(colors[index1]); 20328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[2] = SkPreMultiplyColor(colors[index2]); 2033a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix m, im; 20358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.reset(); 20368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(0, pts[index1].fX - pts[index0].fX); 20378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(1, pts[index2].fX - pts[index0].fX); 20388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(2, pts[index0].fX); 20398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(3, pts[index1].fY - pts[index0].fY); 20408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(4, pts[index2].fY - pts[index0].fY); 20418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(5, pts[index0].fY); 20428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!m.invert(&im)) { 20438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 20448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 204580116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org // We can't call getTotalInverse(), because we explicitly don't want to look at the localmatrix 204680116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org // as our interators are intrinsically tied to the vertices, and nothing else. 204780116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkMatrix ctmInv; 204880116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (!this->getCTM().invert(&ctmInv)) { 204980116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org return false; 205080116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org } 205180116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org fDstToUnit.setConcat(im, ctmInv); 205292362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org return true; 20538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 2056689411a87ca7d19abe04b5c9baff26bd96b2123ereed@android.com#include "SkComposeShader.h" 20578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic int ScalarTo256(SkScalar v) { 20598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale = SkScalarToFixed(v) >> 8; 20608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale < 0) { 20618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 0; 20628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale > 255) { 20648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 255; 20658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return SkAlpha255To256(scale); 20678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 206987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 2070e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.orgSkTriColorShader::TriColorShaderContext::TriColorShaderContext(const SkTriColorShader& shader, 2071e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org const ContextRec& rec) 2072e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org : INHERITED(shader, rec) {} 207387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 207487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkTriColorShader::TriColorShaderContext::~TriColorShaderContext() {} 207587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 207687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgsize_t SkTriColorShader::contextSize() const { 207787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org return sizeof(TriColorShaderContext); 207887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 207987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkTriColorShader::TriColorShaderContext::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 208006a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org const int alphaScale = Sk255To256(this->getPaintAlpha()); 208106a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org 20828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src; 2083a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 20858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDstToUnit.mapXY(SkIntToScalar(x), SkIntToScalar(y), &src); 20868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += 1; 2087a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale1 = ScalarTo256(src.fX); 20898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale2 = ScalarTo256(src.fY); 20908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale0 = 256 - scale1 - scale2; 20918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale0 < 0) { 20928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale1 > scale2) { 20938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale2 = 256 - scale1; 20948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 20958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale1 = 256 - scale2; 20968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale0 = 0; 20988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2099a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 210006a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org if (256 != alphaScale) { 210106a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale0 = SkAlphaMul(scale0, alphaScale); 210206a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale1 = SkAlphaMul(scale1, alphaScale); 210306a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale2 = SkAlphaMul(scale2, alphaScale); 210406a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org } 210506a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org 21068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dstC[i] = SkAlphaMulQ(fColors[0], scale0) + 210706a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org SkAlphaMulQ(fColors[1], scale1) + 210806a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org SkAlphaMulQ(fColors[2], scale2); 21098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 21118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21120f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org#ifndef SK_IGNORE_TO_STRING 211376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkTriColorShader::toString(SkString* str) const { 211476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append("SkTriColorShader: ("); 211576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 211676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 211776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 211876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 211976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 212076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 212176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 21228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count, 21238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint vertices[], const SkPoint textures[], 21248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkColor colors[], SkXfermode* xmode, 21258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t indices[], int indexCount, 21268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 21278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == count || NULL != vertices); 2128a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // abort early if there is nothing to draw 2130045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (count < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { 21318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 21328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2133a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform out vertices into device coordinates 21358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoSTMalloc<16, SkPoint> storage(count); 21368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint* devVerts = storage.get(); 21378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapPoints(devVerts, vertices, count); 2138a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 21408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com We can draw the vertices in 1 of 4 ways: 21418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - solid color (no shader/texture[], no colors[]) 21438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just colors (no shader/texture[], has colors[]) 21448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just texture (has shader/texture[], no colors[]) 21458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - colors * texture (has shader/texture[], has colors[]) 2146a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Thus for texture drawing, we need both texture[] and a shader. 21488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 21498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader triShader; // must be above declaration of p 21518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 21528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = p.getShader(); 21548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == shader) { 21558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we have no shader, we ignore the texture coordinates 21568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com textures = NULL; 21578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (NULL == textures) { 21588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we don't have texture coordinates, ignore the shader 21598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(NULL); 21608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader = NULL; 21618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup the custom shader (if needed) 216487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkAutoTUnref<SkComposeShader> composeShader; 21658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 21668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == textures) { 21678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // just colors (no texture) 2168a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader = p.setShader(&triShader); 21698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 21708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // colors * texture 21718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(shader); 21728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool releaseMode = false; 21738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == xmode) { 21748d3cd7a170c810e3816bf00220cbef51e7b16795reed@google.com xmode = SkXfermode::Create(SkXfermode::kModulate_Mode); 21758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com releaseMode = true; 21768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 217787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org composeShader.reset(SkNEW_ARGS(SkComposeShader, (&triShader, shader, xmode))); 217887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org p.setShader(composeShader); 21798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (releaseMode) { 21808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com xmode->unref(); 21818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, p); 218687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Abort early if we failed to create a shader context. 2187ea033606a06d05d2d42aa7118409fee798e53167reed@google.com if (blitter->isNullBlitter()) { 2188ea033606a06d05d2d42aa7118409fee798e53167reed@google.com return; 2189ea033606a06d05d2d42aa7118409fee798e53167reed@google.com } 2190ea033606a06d05d2d42aa7118409fee798e53167reed@google.com 21918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup our state and function pointer for iterating triangles 21928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState state(count, indices, indexCount); 21938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState::Proc vertProc = state.chooseProc(vmode); 2194a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures || NULL != colors) { 21968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 21978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures) { 219880116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkMatrix tempM; 21998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (texture_to_matrix(state, vertices, textures, &tempM)) { 220080116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkShader::ContextRec rec(*fBitmap, p, *fMatrix); 220180116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org rec.fLocalMatrix = &tempM; 220280116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (!blitter->resetShaderContext(rec)) { 22038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 22048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 220887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Find the context for triShader. 220987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkTriColorShader::TriColorShaderContext* triColorShaderContext; 221087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 221187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkShader::Context* shaderContext = blitter->getShaderContext(); 221287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(shaderContext); 221387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (p.getShader() == &triShader) { 221487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org triColorShaderContext = 221587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org static_cast<SkTriColorShader::TriColorShaderContext*>(shaderContext); 221687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } else { 221787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // The shader is a compose shader and triShader is its first shader. 221887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(p.getShader() == composeShader); 221987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkASSERT(composeShader->getShaderA() == &triShader); 222087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkComposeShader::ComposeShaderContext* composeShaderContext = 222187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org static_cast<SkComposeShader::ComposeShaderContext*>(shaderContext); 222287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkShader::Context* shaderContextA = composeShaderContext->getShaderContextA(); 222387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org triColorShaderContext = 222487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org static_cast<SkTriColorShader::TriColorShaderContext*>(shaderContextA); 222587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org } 222687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 222787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org if (!triColorShaderContext->setup(vertices, colors, 222887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org state.f0, state.f1, state.f2)) { 22298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 22308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2232045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 2233045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPoint tmp[] = { 2234045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] 2235045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com }; 2236045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillTriangle(tmp, *fRC, blitter.get()); 22378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 2239559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org // no colors[] and no texture, stroke hairlines with paint's color. 22408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com HairProc hairProc = ChooseHairProc(paint.isAntiAlias()); 2241045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 22428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 2243045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f0], devVerts[state.f1], clip, blitter.get()); 2244045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f1], devVerts[state.f2], clip, blitter.get()); 2245045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f2], devVerts[state.f0], clip, blitter.get()); 22468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22500a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 22510a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 22528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 22548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2255f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comvoid SkDraw::validate() const { 22568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fBitmap != NULL); 22578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fMatrix != NULL); 22588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fClip != NULL); 2259045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(fRC != NULL); 22608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2261045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& cr = fRC->getBounds(); 22628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect br; 22638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2264f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com br.set(0, 0, fBitmap->width(), fBitmap->height()); 22658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(cr.isEmpty() || br.contains(cr)); 22668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 22698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//////////////////////////////////////////////////////////////////////////////////////////////// 22718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 22738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 22748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 22758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 22768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds, 227830711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 22798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect* bounds) { 22808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (devPath.isEmpty()) { 22818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // init our bounds from the path 22858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2286d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkRect pathBounds = devPath.getBounds(); 22878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.inset(-SK_ScalarHalf, -SK_ScalarHalf); 22888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.roundOut(bounds); 22898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2290a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 22916db75fc2c393ba86a3f533597a8bcd348477e79ctomhudson@google.com SkIPoint margin = SkIPoint::Make(0, 0); 22928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (filter) { 22938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(filterMatrix); 2294a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 22955af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkMask srcM, dstM; 2296a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 22978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fBounds = *bounds; 22988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fFormat = SkMask::kA8_Format; 22998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fImage = NULL; 23008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!filter->filterMask(&dstM, srcM, *filterMatrix, &margin)) { 23018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2304a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23055af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com // (possibly) trim the bounds to reflect the clip 23068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (plus whatever slop the filter needs) 23075af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (clipBounds) { 23085af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkIRect tmp = *clipBounds; 23093555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // Ugh. Guard against gigantic margins from wacky filters. Without this 23103555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // check we can request arbitrary amounts of slop beyond our visible 23113555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // clip, and bring down the renderer (at least on finite RAM machines 23123555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // like handsets, etc.). Need to balance this invented value between 23133555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // quality of large filters like blurs, and the corresponding memory 23143555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // requests. 23153555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com static const int MAX_MARGIN = 128; 23163555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com tmp.inset(-SkMin32(margin.fX, MAX_MARGIN), 23173555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com -SkMin32(margin.fY, MAX_MARGIN)); 23185af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (!bounds->intersect(tmp)) { 23195af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com return false; 23205af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com } 23218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 23248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23262ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.orgstatic void draw_into_mask(const SkMask& mask, const SkPath& devPath, 23272ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 2328045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBitmap bm; 2329045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkDraw draw; 2330045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRasterClip clip; 2331045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkMatrix matrix; 2332045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPaint paint; 23338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2334a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org bm.installPixels(SkImageInfo::MakeA8(mask.fBounds.width(), mask.fBounds.height()), 2335a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org mask.fImage, mask.fRowBytes); 23368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2337045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height())); 23388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 23398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 23408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBitmap = &bm; 2342045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fRC = &clip; 2343045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fClip = &clip.bwRgn(); 23448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 23458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 23462ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org paint.setStyle(style); 23478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawPath(devPath, paint); 23488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkDraw::DrawToMask(const SkPath& devPath, const SkIRect* clipBounds, 235130711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 23522ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkMask* mask, SkMask::CreateMode mode, 23532ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 23548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustRenderImage_CreateMode != mode) { 23558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!compute_bounds(devPath, clipBounds, filter, filterMatrix, &mask->fBounds)) 23568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2358a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kComputeBoundsAndRenderImage_CreateMode == mode) { 23608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fFormat = SkMask::kA8_Format; 23618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fRowBytes = mask->fBounds.width(); 2362543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask->computeImageSize(); 2363543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 2364543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // we're too big to allocate the mask, abort 2365543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return false; 2366543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 2367543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com mask->fImage = SkMask::AllocImage(size); 23688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask->fImage, 0, mask->computeImageSize()); 23698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustComputeBounds_CreateMode != mode) { 23722ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org draw_into_mask(*mask, devPath, style); 23738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2374a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 23768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2377