SkDraw.cpp revision d7dc76f7e99309cbd09a5420c22e55b951067deb
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 */ 7903dcb08b146cbaf81420a734a64692038b467cabungeman#define __STDC_LIMIT_MACROS 8ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 98a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDevice.h" 141c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com#include "SkDeviceLooper.h" 15e5911c9c5b859d60208f4b9ac4bf2a638f4bc35fherb#include "SkFindAndPlaceGlyph.h" 162211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com#include "SkFixed.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkMaskFilter.h" 18f553e4e09cd2baf15fc041daab8a08bd46e352f0herb#include "SkMatrix.h" 198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathEffect.h" 21045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com#include "SkRasterClip.h" 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRasterizer.h" 23a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com#include "SkRRect.h" 248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScan.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 26a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org#include "SkSmallAllocator.h" 2776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#include "SkString.h" 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkStroke.h" 29435657fd62960ceffb1c3c63f63e836373560bc5halcanary#include "SkStrokeRec.h" 30f553e4e09cd2baf15fc041daab8a08bd46e352f0herb#include "SkTemplates.h" 31cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen#include "SkTextMapStateProc.h" 3232e5d97ccf60f859db063ebd6e903c362e625767reed@google.com#include "SkTLazy.h" 338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 34559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org#include "SkVertState.h" 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBitmapProcShader.h" 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDrawProcs.h" 38ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#include "SkMatrixUtils.h" 398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//#define TRACE_BITMAP_DRAWS 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 42d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb// Helper function to fix code gen bug on ARM64. 43d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb// See SkFindAndPlaceGlyph.h for more details. 44d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbvoid FixGCC49Arm64Bug(int v) { } 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 46fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com/** Helper for allocating small blitters on the stack. 47fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com */ 4840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBlitterChoose : SkNoncopyable { 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 501d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkAutoBlitterChoose() { 5196fcdcc219d2a0d3579719b84b28bede76efba64halcanary fBlitter = nullptr; 521d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 5341e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose(const SkPixmap& dst, const SkMatrix& matrix, 54126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkPaint& paint, bool drawCoverage = false) { 5541e010cb901c0da9066c4df562030808c9ccd7f8reed fBlitter = SkBlitter::Choose(dst, matrix, paint, &fAllocator, drawCoverage); 56e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org } 57e59124ed1a62f1fec79679c38cabed622a756f75herb 588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* operator->() { return fBlitter; } 598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* get() const { return fBlitter; } 608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6141e010cb901c0da9066c4df562030808c9ccd7f8reed void choose(const SkPixmap& dst, const SkMatrix& matrix, 6253f0959fc024c56dc55fe6bf86380127b59abec9krajcevski const SkPaint& paint, bool drawCoverage = false) { 631d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkASSERT(!fBlitter); 6441e010cb901c0da9066c4df562030808c9ccd7f8reed fBlitter = SkBlitter::Choose(dst, matrix, paint, &fAllocator, drawCoverage); 651d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 661d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 68a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Owned by fAllocator, which will handle the delete. 69a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* fBlitter; 70a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 72e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBlitterChoose(...) SK_REQUIRE_LOCAL_VAR(SkAutoBlitterChoose) 738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com/** 7540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * Since we are providing the storage for the shader (to avoid the perf cost 7640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * of calling new) we insist that in our destructor we can account for all 7740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * owners of the shader. 7840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com */ 7940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBitmapShaderInstall : SkNoncopyable { 808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 819c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint, 8296fcdcc219d2a0d3579719b84b28bede76efba64halcanary const SkMatrix* localMatrix = nullptr) 8340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com : fPaint(paint) /* makes a copy of the paint */ { 848a21c9fe7f5fef9e87115defef27bd7218419f28reed fPaint.setShader(SkMakeBitmapShader(src, SkShader::kClamp_TileMode, 858a21c9fe7f5fef9e87115defef27bd7218419f28reed SkShader::kClamp_TileMode, localMatrix, &fAllocator)); 8640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // we deliberately left the shader with an owner-count of 2 878a21c9fe7f5fef9e87115defef27bd7218419f28reed fPaint.getShader()->ref(); 8840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkASSERT(2 == fPaint.getShader()->getRefCnt()); 898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9082065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoBitmapShaderInstall() { 92a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // since fAllocator will destroy shader, we insist that owners == 2 93a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkASSERT(2 == fPaint.getShader()->getRefCnt()); 948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9596fcdcc219d2a0d3579719b84b28bede76efba64halcanary fPaint.setShader(nullptr); // unref the shader by 1 968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9882065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 9940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // return the new paint that has the shader applied 10040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& paintWithShader() const { return fPaint; } 10182065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 103a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // copy of caller's paint (which we then modify) 104a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkPaint fPaint; 105a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Stores the shader. 106a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 1078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 108e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBitmapShaderInstall(...) SK_REQUIRE_LOCAL_VAR(SkAutoBitmapShaderInstall) 1098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 112f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comSkDraw::SkDraw() { 113f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com sk_bzero(this, sizeof(*this)); 114f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com} 115f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 1168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw::SkDraw(const SkDraw& src) { 1178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memcpy(this, &src, sizeof(*this)); 1188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1204bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.combool SkDraw::computeConservativeLocalClipBounds(SkRect* localBounds) const { 1214bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (fRC->isEmpty()) { 1224bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1234bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1244bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1254bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkMatrix inverse; 1264bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (!fMatrix->invert(&inverse)) { 1274bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1284bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1294bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1304bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkIRect devBounds = fRC->getBounds(); 1314bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com // outset to have slop for antialasing and hairlines 1324bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com devBounds.outset(1, 1); 1334bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com inverse.mapRect(localBounds, SkRect::Make(devBounds)); 1344bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return true; 1354bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com} 1364bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*BitmapXferProc)(void* pixels, size_t bytes, uint32_t data); 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Clear_BitmapXferProc(void* pixels, size_t bytes, uint32_t) { 1424516f4786f5dda1b86a8f825b9e8e910d9c2363creed@android.com sk_bzero(pixels, bytes); 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Dst_BitmapXferProc(void*, size_t, uint32_t data) {} 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D32_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 148a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org sk_memset32((uint32_t*)pixels, data, SkToInt(bytes >> 2)); 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D16_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 152a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org sk_memset16((uint16_t*)pixels, data, SkToInt(bytes >> 1)); 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void DA8_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(pixels, data, bytes); 1578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15941e010cb901c0da9066c4df562030808c9ccd7f8reedstatic BitmapXferProc ChooseBitmapXferProc(const SkPixmap& dst, const SkPaint& paint, 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t* data) { 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // todo: we can apply colorfilter up front if no shader, so we wouldn't 1628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to abort this fastpath 1638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getShader() || paint.getColorFilter()) { 16496fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 1658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 167845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com SkXfermode::Mode mode; 168be2aa2aa1f8bf73d974bdd9438fc741bbf0cfbe6mike@reedtribe.org if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { 16996fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 171a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor color = paint.getColor(); 173a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // collaps modes based on color... 175845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com if (SkXfermode::kSrcOver_Mode == mode) { 1768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned alpha = SkColorGetA(color); 1778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == alpha) { 178845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kDst_Mode; 1798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (0xFF == alpha) { 180845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kSrc_Mode; 1818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 183a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 185845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kClear_Mode: 1868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Clear_BitmapXferProc\n"); 1878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Clear_BitmapXferProc; // ignore data 188845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kDst_Mode: 1898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Dst_BitmapXferProc\n"); 1908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Dst_BitmapXferProc; // ignore data 191845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kSrc_Mode: { 1928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 193a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com should I worry about dithering for the lower depths? 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor pmc = SkPreMultiplyColor(color); 19641e010cb901c0da9066c4df562030808c9ccd7f8reed switch (dst.colorType()) { 19728fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = pmc; 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D32_Src_BitmapXferProc\n"); 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D32_Src_BitmapXferProc; 203900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel16(pmc); 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 209900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkGetPackedA32(pmc); 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- DA8_Src_BitmapXferProc\n"); 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return DA8_Src_BitmapXferProc; 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22396fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22641e010cb901c0da9066c4df562030808c9ccd7f8reedstatic void CallBitmapXferProc(const SkPixmap& dst, const SkIRect& rect, BitmapXferProc proc, 22741e010cb901c0da9066c4df562030808c9ccd7f8reed uint32_t procData) { 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int shiftPerPixel; 22941e010cb901c0da9066c4df562030808c9ccd7f8reed switch (dst.colorType()) { 23028fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 2; 2328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 233900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 1; 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 236900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 0; 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2400c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("Can't use xferproc on this config"); 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24441e010cb901c0da9066c4df562030808c9ccd7f8reed uint8_t* pixels = (uint8_t*)dst.writable_addr(); 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pixels); 24641e010cb901c0da9066c4df562030808c9ccd7f8reed const size_t rowBytes = dst.rowBytes(); 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const int widthBytes = rect.width() << shiftPerPixel; 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // skip down to the first scanline and X position 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rect.fTop * rowBytes + (rect.fLeft << shiftPerPixel); 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int scans = rect.height() - 1; scans >= 0; --scans) { 2528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(pixels, widthBytes, procData); 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rowBytes; 2548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPaint(const SkPaint& paint) const { 258f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 260045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 2618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devRect; 26541e010cb901c0da9066c4df562030808c9ccd7f8reed devRect.set(0, 0, fDst.width(), fDst.height()); 266a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 267045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 268045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com /* If we don't have a shader (i.e. we're just a solid color) we may 269045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com be faster to operate directly on the device bitmap, rather than invoking 270045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com a blitter. Esp. true for xfermodes, which require a colorshader to be 271045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com present, which is just redundant work. Since we're drawing everywhere 272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com in the clip, we don't have to worry about antialiasing. 273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com */ 274045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t procData = 0; // to avoid the warning 27541e010cb901c0da9066c4df562030808c9ccd7f8reed BitmapXferProc proc = ChooseBitmapXferProc(fDst, paint, &procData); 276045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (proc) { 277045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (D_Dst_BitmapXferProc == proc) { // nothing to do 278045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 279045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 280a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 281045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRegion::Iterator iter(fRC->bwRgn()); 282045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com while (!iter.done()) { 28341e010cb901c0da9066c4df562030808c9ccd7f8reed CallBitmapXferProc(fDst, iter.rect(), proc, procData); 284045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com iter.next(); 285045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 286045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 2878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 289045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 290045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // normal case: use a blitter 29141e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, paint); 292045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(devRect, *fRC, blitter.get()); 2938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 2968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct PtProcRec { 2988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas::PointMode fMode; 2998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint* fPaint; 3008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRegion* fClip; 301045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip* fRC; 302a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // computed values 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fRadius; 305a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const PtProcRec&, const SkPoint devPts[], int count, 3078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 3088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool init(SkCanvas::PointMode, const SkPaint&, const SkMatrix* matrix, 310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip*); 311045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com Proc chooseProc(SkBlitter** blitter); 312045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 313045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comprivate: 314045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper fWrapper; 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(rec.fClip->isRect()); 3208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkIRect& r = rec.fClip->getBounds(); 321a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3232d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3242d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_16_hair_proc(const PtProcRec& rec, 3328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint devPts[], int count, 3338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter) { 334045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(rec.fRC->isRect()); 335045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 33741e010cb901c0da9066c4df562030808c9ccd7f8reed const SkPixmap* dst = blitter->justAnOpaqueColor(&value); 33841e010cb901c0da9066c4df562030808c9ccd7f8reed SkASSERT(dst); 339c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 34041e010cb901c0da9066c4df562030808c9ccd7f8reed uint16_t* addr = dst->writable_addr16(0, 0); 34141e010cb901c0da9066c4df562030808c9ccd7f8reed size_t rb = dst->rowBytes(); 342c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3442d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3452d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ((uint16_t*)((char*)addr + y * rb))[x] = SkToU16(value); 3488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3522d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.comstatic void bw_pt_rect_32_hair_proc(const PtProcRec& rec, 3532d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkPoint devPts[], int count, 3542d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkBlitter* blitter) { 3552d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(rec.fRC->isRect()); 3562d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3572d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com uint32_t value; 35841e010cb901c0da9066c4df562030808c9ccd7f8reed const SkPixmap* dst = blitter->justAnOpaqueColor(&value); 35941e010cb901c0da9066c4df562030808c9ccd7f8reed SkASSERT(dst); 360c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 36141e010cb901c0da9066c4df562030808c9ccd7f8reed SkPMColor* addr = dst->writable_addr32(0, 0); 36241e010cb901c0da9066c4df562030808c9ccd7f8reed size_t rb = dst->rowBytes(); 363c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3642d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com for (int i = 0; i < count; i++) { 3652d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3662d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3672d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (r.contains(x, y)) { 3682d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com ((SkPMColor*)((char*)addr + y * rb))[x] = value; 3692d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3702d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3712d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com} 3722d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com 3738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 376e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 377e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (rec.fClip->contains(x, y)) { 3798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 3875dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::HairLine(&devPts[i], 2, *rec.fRC, blitter); 3888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3935dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::HairLine(devPts, count, *rec.fRC, blitter); 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// aa versions 3978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 4015dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::AntiHairLine(&devPts[i], 2, *rec.fRC, blitter); 4028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4075dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::AntiHairLine(devPts, count, *rec.fRC, blitter); 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) { 4493ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang if ((unsigned)mode > (unsigned)SkCanvas::kPolygon_PointMode) { 4503ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang return false; 4513ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang } 4523ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect()) { 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.getStrokeWidth(); 4578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == width) { 4588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 46096fcdcc219d2a0d3579719b84b28bede76efba64halcanary fClip = nullptr; 461045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4622d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com fRadius = SK_FixedHalf; 4638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 465b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com if (paint.getStrokeCap() != SkPaint::kRound_Cap && 4669f2251c73ed6f417dd1057d487bf523e04488440robertphillips matrix->isScaleTranslate() && SkCanvas::kPoints_PointMode == mode) { 4678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = matrix->get(SkMatrix::kMScaleX); 4688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = matrix->get(SkMatrix::kMScaleY); 4698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkScalarNearlyZero(sx - sy)) { 4708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (sx < 0) { 4718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sx = -sx; 4728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 47696fcdcc219d2a0d3579719b84b28bede76efba64halcanary fClip = nullptr; 477045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRadius = SkScalarToFixed(SkScalarMul(width, sx)) >> 1; 4798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 485045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comPtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) { 48696fcdcc219d2a0d3579719b84b28bede76efba64halcanary Proc proc = nullptr; 487a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 488045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = *blitterPtr; 489045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 490045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fRC->bwRgn(); 491045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 492045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fWrapper.init(*fRC, blitter); 493045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fWrapper.getRgn(); 494045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = fWrapper.getBlitter(); 495045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com *blitterPtr = blitter; 496045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 497045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 4988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // for our arrays 4998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == SkCanvas::kPoints_PointMode); 5008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == SkCanvas::kLines_PointMode); 5018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(2 == SkCanvas::kPolygon_PointMode); 5028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)fMode <= (unsigned)SkCanvas::kPolygon_PointMode); 5038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5042d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fPaint->isAntiAlias()) { 5052d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (0 == fPaint->getStrokeWidth()) { 5068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const Proc gAAProcs[] = { 5078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com aa_square_proc, aa_line_hair_proc, aa_poly_hair_proc 5088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gAAProcs[fMode]; 5102d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (fPaint->getStrokeCap() != SkPaint::kRound_Cap) { 5112d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(SkCanvas::kPoints_PointMode == fMode); 5122d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = aa_square_proc; 5132d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 5142d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else { // BW 5152d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fRadius <= SK_FixedHalf) { // small radii and hairline 5168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) { 5178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 51841e010cb901c0da9066c4df562030808c9ccd7f8reed const SkPixmap* bm = blitter->justAnOpaqueColor(&value); 519900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bm && kRGB_565_SkColorType == bm->colorType()) { 5208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_16_hair_proc; 52128fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org } else if (bm && kN32_SkColorType == bm->colorType()) { 5222d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = bw_pt_rect_32_hair_proc; 5238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_hair_proc; 5258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static Proc gBWProcs[] = { 5288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bw_pt_hair_proc, bw_line_hair_proc, bw_poly_hair_proc 5298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gBWProcs[fMode]; 5318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_square_proc; 5348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return proc; 5378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// each of these costs 8-bytes of stack space, so don't make it too large 5408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// must be even for lines/polygon to work 5418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define MAX_DEV_PTS 32 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count, 544f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkPoint pts[], const SkPaint& paint, 545f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com bool forceUseDevice) const { 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we're in lines mode, force count to be even 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kLines_PointMode == mode) { 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count &= ~(size_t)1; 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((long)count <= 0) { 5528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 554a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 55596fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(pts != nullptr); 556f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 557a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 559045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 5608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com PtProcRec rec; 564045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) { 56541e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, paint); 5668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint devPts[MAX_DEV_PTS]; 5688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 5698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* bltr = blitter.get(); 570045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com PtProcRec::Proc proc = rec.chooseProc(&bltr); 5718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // we have to back up subsequent passes if we're in polygon mode 5728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t backup = (SkCanvas::kPolygon_PointMode == mode); 573a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com do { 575a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org int n = SkToInt(count); 5768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (n > MAX_DEV_PTS) { 5778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n = MAX_DEV_PTS; 5788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix->mapPoints(devPts, pts, n); 5808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(rec, devPts, n, bltr); 5818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts += n - backup; 582a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org SkASSERT(SkToInt(count) >= n); 5838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= n; 5848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (count > 0) { 5858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += backup; 5868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } while (count != 0); 5888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 5908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPoints_PointMode: { 5918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // temporarily mark the paint as filling. 59240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint newPaint(paint); 59340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com newPaint.setStyle(SkPaint::kFill_Style); 5948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 59540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkScalar width = newPaint.getStrokeWidth(); 5968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar radius = SkScalarHalf(width); 597a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 59840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 5998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 6008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix preMatrix; 6017ef849d45a4de02697697ea213bfae7c215a0c38mtklein 6028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.addCircle(0, 0, radius); 6038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com preMatrix.setTranslate(pts[i].fX, pts[i].fY); 6058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // pass true for the last point, since we can modify 6068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // then path then 607b3eb687f8a89eb1eacd1afb4016401eb392f66abjvanverth path.setIsVolatile((count-1) == i); 608f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 60940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawPath(*this, path, newPaint, &preMatrix, 610f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com (count-1) == i); 611f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 61240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawPath(path, newPaint, &preMatrix, 61340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com (count-1) == i); 614f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 618a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = pts[i].fX - radius; 6218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = pts[i].fY - radius; 6228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = r.fLeft + width; 6238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = r.fTop + width; 624f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 62540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawRect(*this, r, newPaint); 626f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 62740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawRect(r, newPaint); 628f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 6328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kLines_PointMode: 63449f085dddff10473b6ebf832a974288300224e60bsalomon if (2 == count && paint.getPathEffect()) { 635629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // most likely a dashed line - see if it is one of the ones 636629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // we can accelerate 637629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkStrokeRec rec(paint); 6386d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkPathEffect::PointData pointData; 639629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 640629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPath path; 641629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.moveTo(pts[0]); 642629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.lineTo(pts[1]); 643629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6444bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect = SkRect::Make(fRC->getBounds()); 6454024f32d99b63a599c544a49f526e53c25135159skia.committer@gmail.com 6464bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (paint.getPathEffect()->asPoints(&pointData, path, rec, 6474bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com *fMatrix, &cullRect)) { 6486d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // 'asPoints' managed to find some fast path 6496d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 650629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPaint newP(paint); 65196fcdcc219d2a0d3579719b84b28bede76efba64halcanary newP.setPathEffect(nullptr); 652935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com newP.setStyle(SkPaint::kFill_Style); 653629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6546d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fFirst.isEmpty()) { 6556d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6566d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fFirst, newP); 6576d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6586d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fFirst, newP); 6596d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 660629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 6616d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6626d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fLast.isEmpty()) { 6636d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6646d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fLast, newP); 6656d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6666d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fLast, newP); 6676d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6686d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6696d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6706d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (pointData.fSize.fX == pointData.fSize.fY) { 6716d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line can just be drawn as points 6726d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkASSERT(pointData.fSize.fX == SkScalarHalf(newP.getStrokeWidth())); 6736d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6746d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (SkPathEffect::PointData::kCircles_PointFlag & pointData.fFlags) { 6756d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kRound_Cap); 6766d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6776d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kButt_Cap); 6786d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6796d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6806d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6817a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com fDevice->drawPoints(*this, 6826d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkCanvas::kPoints_PointMode, 6836d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 6846d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 6856d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP); 6866d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6876d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPoints(SkCanvas::kPoints_PointMode, 6886d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 6896d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 6906d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP, 6916d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com forceUseDevice); 6926d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6936d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com break; 694935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } else { 6956d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line must be drawn as rects 6967a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com SkASSERT(!(SkPathEffect::PointData::kCircles_PointFlag & 6976d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fFlags)); 6986d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6996d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkRect r; 7006d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7016d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com for (int i = 0; i < pointData.fNumPoints; ++i) { 7026d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com r.set(pointData.fPoints[i].fX - pointData.fSize.fX, 7036d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY - pointData.fSize.fY, 7046d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fX + pointData.fSize.fX, 7056d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY + pointData.fSize.fY); 7066d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7076d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawRect(*this, r, newP); 7086d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7096d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawRect(r, newP); 7106d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7116d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 712935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } 7136d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 714629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com break; 715629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 716629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 717629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // couldn't take fast path so fall through! 7188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPolygon_PointMode: { 7198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= 1; 7208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 7218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 7228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setStyle(SkPaint::kStroke_Style); 7238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t inc = (SkCanvas::kLines_PointMode == mode) ? 2 : 1; 724b3eb687f8a89eb1eacd1afb4016401eb392f66abjvanverth path.setIsVolatile(true); 7258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i += inc) { 7268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.moveTo(pts[i]); 7278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.lineTo(pts[i+1]); 728f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 72996fcdcc219d2a0d3579719b84b28bede76efba64halcanary fDevice->drawPath(*this, path, p, nullptr, true); 730f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 73196fcdcc219d2a0d3579719b84b28bede76efba64halcanary this->drawPath(path, p, nullptr, true); 732f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 7338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.rewind(); 7348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 7368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7411a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalitastatic inline SkPoint compute_stroke_size(const SkPaint& paint, const SkMatrix& matrix) { 7421a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkASSERT(matrix.rectStaysRect()); 7431a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkASSERT(SkPaint::kFill_Style != paint.getStyle()); 7441a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita 7451a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkVector size; 7461a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkPoint pt = { paint.getStrokeWidth(), paint.getStrokeWidth() }; 7471a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita matrix.mapVectors(&size, &pt, 1); 7481a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita return SkPoint::Make(SkScalarAbs(size.fX), SkScalarAbs(size.fY)); 7491a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita} 7501a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita 751761fb62b0eb174783316d2a8b933fba896ca6355reed@google.comstatic bool easy_rect_join(const SkPaint& paint, const SkMatrix& matrix, 752761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint* strokeSize) { 753761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com if (SkPaint::kMiter_Join != paint.getStrokeJoin() || 754761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com paint.getStrokeMiter() < SK_ScalarSqrt2) { 755761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return false; 756761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com } 757fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7581a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita *strokeSize = compute_stroke_size(paint, matrix); 759761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return true; 7607ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org} 7617ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 76262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comSkDraw::RectType SkDraw::ComputeRectType(const SkPaint& paint, 76362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const SkMatrix& matrix, 76462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint* strokeSize) { 7657ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org RectType rtype; 7667ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org const SkScalar width = paint.getStrokeWidth(); 76762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const bool zeroWidth = (0 == width); 7687ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::Style style = paint.getStyle(); 769fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7707ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if ((SkPaint::kStrokeAndFill_Style == style) && zeroWidth) { 7717ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org style = SkPaint::kFill_Style; 7727ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 773fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect() || paint.getMaskFilter() || 77562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com paint.getRasterizer() || !matrix.rectStaysRect() || 7767ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::kStrokeAndFill_Style == style) { 77762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com rtype = kPath_RectType; 77862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (SkPaint::kFill_Style == style) { 7797ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kFill_RectType; 7807ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else if (zeroWidth) { 7817ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kHair_RectType; 78262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (easy_rect_join(paint, matrix, strokeSize)) { 7837ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kStroke_RectType; 7847ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 7857ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kPath_RectType; 7867ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 78762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return rtype; 78862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com} 78962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 7907324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic const SkPoint* rect_points(const SkRect& r) { 791fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<const SkPoint*>(&r); 7927324415759fe0c5a0902877b664aa942a89bd940reed@google.com} 7937324415759fe0c5a0902877b664aa942a89bd940reed@google.com 7947324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic SkPoint* rect_points(SkRect& r) { 795fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<SkPoint*>(&r); 79640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com} 79740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com 7980393912de72bc3d8b3640c122c53470dd0da1e6dreedvoid SkDraw::drawRect(const SkRect& prePaintRect, const SkPaint& paint, 7990393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkMatrix* paintMatrix, const SkRect* postPaintRect) const { 80062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkDEBUGCODE(this->validate();) 8017ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 80262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com // nothing to draw 803045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 80462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return; 80562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } 80662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8070393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkMatrix* matrix; 8080393912de72bc3d8b3640c122c53470dd0da1e6dreed SkMatrix combinedMatrixStorage; 8090393912de72bc3d8b3640c122c53470dd0da1e6dreed if (paintMatrix) { 8100393912de72bc3d8b3640c122c53470dd0da1e6dreed SkASSERT(postPaintRect); 8110393912de72bc3d8b3640c122c53470dd0da1e6dreed combinedMatrixStorage.setConcat(*fMatrix, *paintMatrix); 8120393912de72bc3d8b3640c122c53470dd0da1e6dreed matrix = &combinedMatrixStorage; 8130393912de72bc3d8b3640c122c53470dd0da1e6dreed } else { 8140393912de72bc3d8b3640c122c53470dd0da1e6dreed SkASSERT(!postPaintRect); 8150393912de72bc3d8b3640c122c53470dd0da1e6dreed matrix = fMatrix; 8160393912de72bc3d8b3640c122c53470dd0da1e6dreed } 8170393912de72bc3d8b3640c122c53470dd0da1e6dreed 81862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint strokeSize; 81962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com RectType rtype = ComputeRectType(paint, *fMatrix, &strokeSize); 82062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8217ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (kPath_RectType == rtype) { 8220393912de72bc3d8b3640c122c53470dd0da1e6dreed SkDraw draw(*this); 8230393912de72bc3d8b3640c122c53470dd0da1e6dreed if (paintMatrix) { 8240393912de72bc3d8b3640c122c53470dd0da1e6dreed draw.fMatrix = matrix; 8250393912de72bc3d8b3640c122c53470dd0da1e6dreed } 8268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmp; 8270393912de72bc3d8b3640c122c53470dd0da1e6dreed tmp.addRect(prePaintRect); 8288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.setFillType(SkPath::kWinding_FillType); 82996fcdcc219d2a0d3579719b84b28bede76efba64halcanary draw.drawPath(tmp, paint, nullptr, true); 8308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8330393912de72bc3d8b3640c122c53470dd0da1e6dreed SkRect devRect; 8341a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita const SkRect& paintRect = paintMatrix ? *postPaintRect : prePaintRect; 8351a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita // skip the paintMatrix when transforming the rect by the CTM 8361a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita fMatrix->mapPoints(rect_points(devRect), rect_points(paintRect), 2); 8377324415759fe0c5a0902877b664aa942a89bd940reed@google.com devRect.sort(); 8388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // look for the quick exit, before we build a blitter 8401a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkRect bbox = devRect; 8411c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.getStyle() != SkPaint::kFill_Style) { 8421c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // extra space for hairlines 843b3eba478d5bed5fb2b5f0f224738c8c292cebf36george if (paint.getStrokeWidth() == 0) { 8441a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita bbox.outset(1, 1); 845b3eba478d5bed5fb2b5f0f224738c8c292cebf36george } else { 8461a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita // For kStroke_RectType, strokeSize is already computed. 8471a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita const SkPoint& ssize = (kStroke_RectType == rtype) 8481a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita ? strokeSize 8491a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita : compute_stroke_size(paint, *fMatrix); 8501a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita bbox.outset(SkScalarHalf(ssize.x()), SkScalarHalf(ssize.y())); 851b3eba478d5bed5fb2b5f0f224738c8c292cebf36george } 8521c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8531a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita 8541a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkIRect ir = bbox.roundOut(); 8551c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (fRC->quickReject(ir)) { 8561c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com return; 8578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 85941e010cb901c0da9066c4df562030808c9ccd7f8reed SkDeviceLooper looper(fDst, *fRC, ir, paint.isAntiAlias()); 8601c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com while (looper.next()) { 8611c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkRect localDevRect; 8621c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com looper.mapRect(&localDevRect, devRect); 8631c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkMatrix localMatrix; 8640393912de72bc3d8b3640c122c53470dd0da1e6dreed looper.mapMatrix(&localMatrix, *matrix); 8651c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 86641e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitterStorage(looper.getPixmap(), localMatrix, paint); 8671c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com const SkRasterClip& clip = looper.getRC(); 8681c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkBlitter* blitter = blitterStorage.get(); 8691c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 8701c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // we want to "fill" if we are kFill or kStrokeAndFill, since in the latter 8711c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // case we are also hairline (if we've gotten to here), which devolves to 8721c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // effectively just kFill 8731c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com switch (rtype) { 8741c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kFill_RectType: 8751c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8761c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFillRect(localDevRect, clip, blitter); 8771c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8781c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FillRect(localDevRect, clip, blitter); 8791c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8801c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8811c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kStroke_RectType: 8821c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8831c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFrameRect(localDevRect, strokeSize, clip, blitter); 8841c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8851c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FrameRect(localDevRect, strokeSize, clip, blitter); 8861c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8871c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8881c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kHair_RectType: 8891c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8901c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiHairRect(localDevRect, clip, blitter); 8911c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8921c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::HairRect(localDevRect, clip, blitter); 8931c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8941c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8951c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com default: 8961c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkDEBUGFAIL("bad rtype"); 8971c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const { 9028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (srcM.fBounds.isEmpty()) { 9038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9060a60b3d32eae945688b69599f11679662657f751bungeman@google.com const SkMask* mask = &srcM; 9078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9080a60b3d32eae945688b69599f11679662657f751bungeman@google.com SkMask dstM; 9098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getMaskFilter() && 910e80eb928ba0248a5a5dea6e1f0005aa08ecf8740robertphillips paint.getMaskFilter()->filterMask(&dstM, srcM, *fMatrix, nullptr)) { 9118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask = &dstM; 9128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 91302f55841854ae32f21a13417e9ee711463e488cfbungeman@google.com SkAutoMaskFreeImage ami(dstM.fImage); 9148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 91541e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint); 916045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = blitterChooser.get(); 917045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 918045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 919045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRegion* clipRgn; 9208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 921045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 922045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &fRC->bwRgn(); 923045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 924045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 925045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &wrapper.getRgn(); 926045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 927045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 928045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter->blitMaskRegion(*mask, *clipRgn); 9298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 931ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.comstatic SkScalar fast_len(const SkVector& vec) { 932ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar x = SkScalarAbs(vec.fX); 933ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar y = SkScalarAbs(vec.fY); 934ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com if (x < y) { 935ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkTSwap(x, y); 936ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 937ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return x + SkScalarHalf(y); 938ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 939ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 940e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.orgbool SkDrawTreatAAStrokeAsHairline(SkScalar strokeWidth, const SkMatrix& matrix, 941e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkScalar* coverage) { 942e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkASSERT(strokeWidth > 0); 943e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org // We need to try to fake a thick-stroke with a modulated hairline. 944ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 9458d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com if (matrix.hasPerspective()) { 946ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 947ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 948ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 949ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkVector src[2], dst[2]; 950ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[0].set(strokeWidth, 0); 951ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[1].set(0, strokeWidth); 952ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com matrix.mapVectors(dst, src, 2); 953ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len0 = fast_len(dst[0]); 954ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len1 = fast_len(dst[1]); 955652807bbc8c57e5fa9622126b51fd369f5c67935agl@chromium.org if (len0 <= SK_Scalar1 && len1 <= SK_Scalar1) { 95649f085dddff10473b6ebf832a974288300224e60bsalomon if (coverage) { 957e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org *coverage = SkScalarAve(len0, len1); 958e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org } 959ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return true; 960ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 961ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 962ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 963ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 964a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comvoid SkDraw::drawRRect(const SkRRect& rrect, const SkPaint& paint) const { 965a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkDEBUGCODE(this->validate()); 966a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 967a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (fRC->isEmpty()) { 968a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; 969a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 970a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 971a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com { 972a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // TODO: Investigate optimizing these options. They are in the same 973a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // order as SkDraw::drawPath, which handles each case. It may be 974a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // that there is no way to optimize for these using the SkRRect path. 975a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkScalar coverage; 976a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (SkDrawTreatAsHairline(paint, *fMatrix, &coverage)) { 977a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 978a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 979a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 980a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getPathEffect() || paint.getStyle() != SkPaint::kFill_Style) { 981a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 982a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 983a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 984a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getRasterizer()) { 985a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 986a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 987a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 988a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 989a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getMaskFilter()) { 990a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Transform the rrect into device space. 991a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkRRect devRRect; 992a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (rrect.transform(*fMatrix, &devRRect)) { 99341e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, paint); 994868074b50b0fc3e460d2aa97c1096827fe0a1935reed if (paint.getMaskFilter()->filterRRect(devRRect, *fMatrix, *fRC, blitter.get(), 995a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPaint::kFill_Style)) { 996a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; // filterRRect() called the blitter, so we're done 997a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 998a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 999a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 1000a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 1001a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comDRAW_PATH: 1002a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Now fall back to the default case of using a path. 1003a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPath path; 1004a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com path.addRRect(rrect); 100596fcdcc219d2a0d3579719b84b28bede76efba64halcanary this->drawPath(path, paint, nullptr, true); 1006a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com} 1007a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 10081a7eb266644d2e1b0968dbca606ca0a91903419dcaryclarkSkScalar SkDraw::ComputeResScaleForStroking(const SkMatrix& matrix) { 100905d9044de4f1c6e791df66a425638752daac4c6breed if (!matrix.hasPerspective()) { 101005d9044de4f1c6e791df66a425638752daac4c6breed SkScalar sx = SkPoint::Length(matrix[SkMatrix::kMScaleX], matrix[SkMatrix::kMSkewY]); 101105d9044de4f1c6e791df66a425638752daac4c6breed SkScalar sy = SkPoint::Length(matrix[SkMatrix::kMSkewX], matrix[SkMatrix::kMScaleY]); 101205d9044de4f1c6e791df66a425638752daac4c6breed if (SkScalarsAreFinite(sx, sy)) { 101305d9044de4f1c6e791df66a425638752daac4c6breed return SkTMax(sx, sy); 101405d9044de4f1c6e791df66a425638752daac4c6breed } 101505d9044de4f1c6e791df66a425638752daac4c6breed } 101605d9044de4f1c6e791df66a425638752daac4c6breed return 1; 101705d9044de4f1c6e791df66a425638752daac4c6breed} 101805d9044de4f1c6e791df66a425638752daac4c6breed 101932e5d97ccf60f859db063ebd6e903c362e625767reed@google.comvoid SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint, 1020126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkMatrix* prePathMatrix, bool pathIsMutable, 102153f0959fc024c56dc55fe6bf86380127b59abec9krajcevski bool drawCoverage, SkBlitter* customBlitter) const { 1022f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 10238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1025045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 10268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* pathPtr = (SkPath*)&origSrcPath; 10308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool doFill = true; 10318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmpPath; 10328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix tmpMatrix; 10338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 1034b3eb687f8a89eb1eacd1afb4016401eb392f66abjvanverth tmpPath.setIsVolatile(true); 10358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (prePathMatrix) { 103732e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (origPaint.getPathEffect() || origPaint.getStyle() != SkPaint::kFill_Style || 103832e5d97ccf60f859db063ebd6e903c362e625767reed@google.com origPaint.getRasterizer()) { 10398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* result = pathPtr; 1040a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!pathIsMutable) { 10428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com result = &tmpPath; 10438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathIsMutable = true; 10448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*prePathMatrix, result); 10468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = result; 10478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 104892362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org tmpMatrix.setConcat(*matrix, *prePathMatrix); 10498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix = &tmpMatrix; 10508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // at this point we're done with prePathMatrix 10538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) 1054a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10555dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1056a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1057ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com { 1058dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar coverage; 1059dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SkDrawTreatAsHairline(origPaint, *matrix, &coverage)) { 1060dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SK_Scalar1 == coverage) { 10615dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com paint.writable()->setStrokeWidth(0); 1062dcfb7cf336cafffd8d149c908b615e1deaa3a49begdaniel } else if (SkXfermode::SupportsCoverageAsAlpha(origPaint.getXfermode())) { 1063dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com U8CPU newAlpha; 1064dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#if 0 1065dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = SkToU8(SkScalarRoundToInt(coverage * 1066dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com origPaint.getAlpha())); 1067dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#else 1068dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // this is the old technique, which we preserve for now so 1069dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // we don't change previous results (testing) 1070dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // the new way seems fine, its just (a tiny bit) different 1071dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com int scale = (int)SkScalarMul(coverage, 256); 1072dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = origPaint.getAlpha() * scale >> 8; 1073dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#endif 10745dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkPaint* writablePaint = paint.writable(); 10755dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setStrokeWidth(0); 10765dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setAlpha(newAlpha); 1077dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } 10788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1080a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 108132e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { 10824bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect; 108396fcdcc219d2a0d3579719b84b28bede76efba64halcanary const SkRect* cullRectPtr = nullptr; 10844bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (this->computeConservativeLocalClipBounds(&cullRect)) { 10854bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com cullRectPtr = &cullRect; 10864bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 108705d9044de4f1c6e791df66a425638752daac4c6breed doFill = paint->getFillPath(*pathPtr, &tmpPath, cullRectPtr, 10881a7eb266644d2e1b0968dbca606ca0a91903419dcaryclark ComputeResScaleForStroking(*fMatrix)); 10898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = &tmpPath; 10908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1091a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 109232e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()) { 10938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 109432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()->rasterize(*pathPtr, *matrix, 1095045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com &fRC->getBounds(), paint->getMaskFilter(), &mask, 10968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::kComputeBoundsAndRenderImage_CreateMode)) { 109732e5d97ccf60f859db063ebd6e903c362e625767reed@google.com this->drawDevMask(mask, *paint); 10988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::FreeImage(mask.fImage); 10998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // avoid possibly allocating a new path in transform if we can 11048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; 11058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform the path into device space 11078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*matrix, devPathPtr); 11088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 110996fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkBlitter* blitter = nullptr; 111053f0959fc024c56dc55fe6bf86380127b59abec9krajcevski SkAutoBlitterChoose blitterStorage; 111196fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == customBlitter) { 111241e010cb901c0da9066c4df562030808c9ccd7f8reed blitterStorage.choose(fDst, *fMatrix, *paint, drawCoverage); 111353f0959fc024c56dc55fe6bf86380127b59abec9krajcevski blitter = blitterStorage.get(); 111453f0959fc024c56dc55fe6bf86380127b59abec9krajcevski } else { 111553f0959fc024c56dc55fe6bf86380127b59abec9krajcevski blitter = customBlitter; 111653f0959fc024c56dc55fe6bf86380127b59abec9krajcevski } 11178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11182ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()) { 1119fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkPaint::Style style = doFill ? SkPaint::kFill_Style : 11202ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::kStroke_Style; 112153f0959fc024c56dc55fe6bf86380127b59abec9krajcevski if (paint->getMaskFilter()->filterPath(*devPathPtr, *fMatrix, *fRC, blitter, style)) { 11222ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org return; // filterPath() called the blitter, so we're done 11232ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org } 11248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1126045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); 11278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 112832e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1129045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiFillPath; 11308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1131045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::FillPath; 11328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 113432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 11352028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark switch (paint->getStrokeCap()) { 11362028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark case SkPaint::kButt_Cap: 11372028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc = SkScan::AntiHairPath; 11382028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark break; 11392028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark case SkPaint::kSquare_Cap: 11402028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc = SkScan::AntiHairSquarePath; 11412028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark break; 11422028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark case SkPaint::kRound_Cap: 11432028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc = SkScan::AntiHairRoundPath; 11442028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark break; 11452028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark default: 11462028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc SK_INIT_TO_AVOID_WARNING; 11472028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark SkDEBUGFAIL("unknown paint cap type"); 11482028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark } 11498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 11502028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark switch (paint->getStrokeCap()) { 11512028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark case SkPaint::kButt_Cap: 11522028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc = SkScan::HairPath; 11532028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark break; 11542028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark case SkPaint::kSquare_Cap: 11552028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc = SkScan::HairSquarePath; 11562028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark break; 11572028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark case SkPaint::kRound_Cap: 11582028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc = SkScan::HairRoundPath; 11592028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark break; 11602028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark default: 11612028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark proc SK_INIT_TO_AVOID_WARNING; 11622028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark SkDEBUGFAIL("unknown paint cap type"); 11632028d7ff744c36855ed36d602e3e050e9f18ec9fcaryclark } 11648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 116653f0959fc024c56dc55fe6bf86380127b59abec9krajcevski proc(*devPathPtr, *fRC, blitter); 11678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmapAsMask(const SkBitmap& bitmap, 11708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1171900ecf2f1579d42c9d2959831787af0346320f86reed@google.com SkASSERT(bitmap.colorType() == kAlpha_8_SkColorType); 11728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1173c7e211acd0c9201688de7ff0c9a2271c67440adffmalita if (SkTreatAsSprite(*fMatrix, bitmap.dimensions(), paint)) { 1174e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(fMatrix->getTranslateX()); 1175e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(fMatrix->getTranslateY()); 11768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 117792fc2ae58331662ec411a048686cb4801e0a909areed SkAutoPixmapUnlock result; 117892fc2ae58331662ec411a048686cb4801e0a909areed if (!bitmap.requestLock(&result)) { 1179a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com return; 1180a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com } 118192fc2ae58331662ec411a048686cb4801e0a909areed const SkPixmap& pmap = result.pixmap(); 11828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 118392fc2ae58331662ec411a048686cb4801e0a909areed mask.fBounds.set(ix, iy, ix + pmap.width(), iy + pmap.height()); 11848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 118592fc2ae58331662ec411a048686cb4801e0a909areed mask.fRowBytes = SkToU32(pmap.rowBytes()); 118692fc2ae58331662ec411a048686cb4801e0a909areed // fImage is typed as writable, but in this case it is used read-only 118792fc2ae58331662ec411a048686cb4801e0a909areed mask.fImage = (uint8_t*)pmap.addr8(0, 0); 1188a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 11908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // need to xform the bitmap first 11918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 11928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1193a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, 11958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); 11968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapRect(&r); 11978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.round(&mask.fBounds); 1198a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // set the mask's bounds to the transformed bitmap-bounds, 12008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // clipped to the actual device 12018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 12028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devBounds; 120341e010cb901c0da9066c4df562030808c9ccd7f8reed devBounds.set(0, 0, fDst.width(), fDst.height()); 12048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need intersect(l, t, r, b) on irect 12058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!mask.fBounds.intersect(devBounds)) { 12068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1209543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com 12108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 12118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = SkAlign4(mask.fBounds.width()); 1212543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask.computeImageSize(); 1213543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 1214543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // the mask is too big to allocated, draw nothing 1215543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return; 1216543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 12178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // allocate (and clear) our temp buffer to hold the transformed bitmap 1219565901db954c231840750ea955ed31b820b9ade8scroggo SkAutoTMalloc<uint8_t> storage(size); 1220565901db954c231840750ea955ed31b820b9ade8scroggo mask.fImage = storage.get(); 12218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask.fImage, 0, size); 1222a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now draw our bitmap(src) into mask(dst), transformed by the matrix 12248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 12258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap device; 1226a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org device.installPixels(SkImageInfo::MakeA8(mask.fBounds.width(), mask.fBounds.height()), 1227a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org mask.fImage, mask.fRowBytes); 1228a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas c(device); 12308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need the unclipped top/left for the translate 12318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.translate(-SkIntToScalar(mask.fBounds.fLeft), 12328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 12338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.concat(*fMatrix); 12343469c76c40790b409621fd7eff34f56240718549reed@android.com 12353469c76c40790b409621fd7eff34f56240718549reed@android.com // We can't call drawBitmap, or we'll infinitely recurse. Instead 1236fb12c3e6ba84f95dc15fbaddc239dede0ba1d60ereed@android.com // we manually build a shader and draw that into our new mask 12373469c76c40790b409621fd7eff34f56240718549reed@android.com SkPaint tmpPaint; 12383469c76c40790b409621fd7eff34f56240718549reed@android.com tmpPaint.setFlags(paint.getFlags()); 123940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, tmpPaint); 12403469c76c40790b409621fd7eff34f56240718549reed@android.com SkRect rr; 12413469c76c40790b409621fd7eff34f56240718549reed@android.com rr.set(0, 0, SkIntToScalar(bitmap.width()), 12423469c76c40790b409621fd7eff34f56240718549reed@android.com SkIntToScalar(bitmap.height())); 124340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com c.drawRect(rr, install.paintWithShader()); 12448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 12468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1249045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& m, const SkRasterClip& c, 12508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRect& srcR) { 12518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect dstR; 12528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.mapRect(&dstR, srcR); 1253b07a94f1cba3976596ae1a7f23d8c2043ba353f3reed return c.quickReject(dstR.roundOut()); 12548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1256045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& matrix, const SkRasterClip& clip, 12578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int width, int height) { 12588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height)); 12608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return clipped_out(matrix, clip, r); 12618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1263c240e719b2bebd3711ade4e6fe056921aa7b0521reedstatic bool clipHandlesSprite(const SkRasterClip& clip, int x, int y, const SkPixmap& pmap) { 1264c240e719b2bebd3711ade4e6fe056921aa7b0521reed return clip.isBW() || clip.quickContains(x, y, x + pmap.width(), y + pmap.height()); 1265045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1266045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 12678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix, 12680393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkRect* dstBounds, const SkPaint& origPaint) const { 1269f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 12708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1274900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 12758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1277a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 127840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 127940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 1280a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 128292362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org matrix.setConcat(*fMatrix, prematrix); 12838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1284045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipped_out(matrix, *fRC, bitmap.width(), bitmap.height())) { 12858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1288c7e211acd0c9201688de7ff0c9a2271c67440adffmalita if (bitmap.colorType() != kAlpha_8_SkColorType 1289c7e211acd0c9201688de7ff0c9a2271c67440adffmalita && SkTreatAsSprite(matrix, bitmap.dimensions(), paint)) { 1290f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1291f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // It is safe to call lock pixels now, since we know the matrix is 1292f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // (more or less) identity. 1293f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1294c240e719b2bebd3711ade4e6fe056921aa7b0521reed SkAutoPixmapUnlock unlocker; 1295c240e719b2bebd3711ade4e6fe056921aa7b0521reed if (!bitmap.requestLock(&unlocker)) { 1296f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com return; 1297f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com } 1298c240e719b2bebd3711ade4e6fe056921aa7b0521reed const SkPixmap& pmap = unlocker.pixmap(); 1299e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(matrix.getTranslateX()); 1300e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(matrix.getTranslateY()); 1301c240e719b2bebd3711ade4e6fe056921aa7b0521reed if (clipHandlesSprite(*fRC, ix, iy, pmap)) { 1302a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1303a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 130441e010cb901c0da9066c4df562030808c9ccd7f8reed SkBlitter* blitter = SkBlitter::ChooseSprite(fDst, paint, pmap, ix, iy, &allocator); 1305045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (blitter) { 1306c240e719b2bebd3711ade4e6fe056921aa7b0521reed SkScan::FillIRect(SkIRect::MakeXYWH(ix, iy, pmap.width(), pmap.height()), 1307c240e719b2bebd3711ade4e6fe056921aa7b0521reed *fRC, blitter); 1308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 13098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1310c240e719b2bebd3711ade4e6fe056921aa7b0521reed // if !blitter, then we fall-through to the slower case 13118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1313a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now make a temp draw on the stack, and use it 13158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // 13168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 1318a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1319900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bitmap.colorType() == kAlpha_8_SkColorType) { 13208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawBitmapAsMask(bitmap, paint); 13218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 132240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 13230393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkPaint& paintWithShader = install.paintWithShader(); 13240393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkRect srcBounds = SkRect::MakeIWH(bitmap.width(), bitmap.height()); 13250393912de72bc3d8b3640c122c53470dd0da1e6dreed if (dstBounds) { 13260393912de72bc3d8b3640c122c53470dd0da1e6dreed this->drawRect(srcBounds, paintWithShader, &prematrix, dstBounds); 13270393912de72bc3d8b3640c122c53470dd0da1e6dreed } else { 13280393912de72bc3d8b3640c122c53470dd0da1e6dreed draw.drawRect(srcBounds, paintWithShader); 13290393912de72bc3d8b3640c122c53470dd0da1e6dreed } 13308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1333c240e719b2bebd3711ade4e6fe056921aa7b0521reedvoid SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint& origPaint) const { 1334f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 1335a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1337045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 13388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1339900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 13408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1343c240e719b2bebd3711ade4e6fe056921aa7b0521reed const SkIRect bounds = SkIRect::MakeXYWH(x, y, bitmap.width(), bitmap.height()); 13448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1345045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(bounds)) { 13468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; // nothing to draw 13478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 134940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 135040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 13518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1352c240e719b2bebd3711ade4e6fe056921aa7b0521reed SkAutoPixmapUnlock unlocker; 1353c240e719b2bebd3711ade4e6fe056921aa7b0521reed if (!bitmap.requestLock(&unlocker)) { 1354c240e719b2bebd3711ade4e6fe056921aa7b0521reed return; 1355c240e719b2bebd3711ade4e6fe056921aa7b0521reed } 1356c240e719b2bebd3711ade4e6fe056921aa7b0521reed const SkPixmap& pmap = unlocker.pixmap(); 1357c240e719b2bebd3711ade4e6fe056921aa7b0521reed 135896fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, pmap)) { 1359a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1360a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 136141e010cb901c0da9066c4df562030808c9ccd7f8reed SkBlitter* blitter = SkBlitter::ChooseSprite(fDst, paint, pmap, x, y, &allocator); 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (blitter) { 1363045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(bounds, *fRC, blitter); 13648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // get a scalar version of our rect 13728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(bounds); 13738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13749c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org // create shader with offset 13758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(r.fLeft, r.fTop); 13769c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkAutoBitmapShaderInstall install(bitmap, paint, &matrix); 13779c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkPaint& shaderPaint = install.paintWithShader(); 1378a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.reset(); 13818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 13828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // call ourself with a rect 1383a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this OK if paint has a rasterizer? 138440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, shaderPaint); 13858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 13888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScalerContext.h" 13908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGlyphCache.h" 1391e69137620ab0b5b40d230318c8e11b822f63cb9dreed@google.com#include "SkTextToPathIter.h" 13928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 13938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13948128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.orgbool SkDraw::ShouldDrawTextAsPaths(const SkPaint& paint, const SkMatrix& ctm) { 13958128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // hairline glyphs are fast enough so we don't need to cache them 13968128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (SkPaint::kStroke_Style == paint.getStyle() && 0 == paint.getStrokeWidth()) { 13978128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 13988128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 13998128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14008128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // we don't cache perspective 14018128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (ctm.hasPerspective()) { 14028128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 14038128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 14048128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14058128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org SkMatrix textM; 14068128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return SkPaint::TooBigToUseCache(ctm, *paint.setTextMatrix(&textM)); 14078128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org} 14088128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText_asPaths(const char text[], size_t byteLength, 14108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, 14118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1412f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 14138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1414166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 14158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 14178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setScale(iter.getPathScale(), iter.getPathScale()); 14188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(x, y); 14198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 14218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos, prevXPos = 0; 14228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14237b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 14248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(xpos - prevXPos, 0); 14257b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 14267b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com const SkPaint& pnt = iter.getPaint(); 14277b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 14287b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, *iterPath, pnt, &matrix, false); 14297b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 14307b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(*iterPath, pnt, &matrix, false); 14317b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1432f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 14338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com prevXPos = xpos; 14348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// disable warning : local variable used without having been initialized 1438d7dc76f7e99309cbd09a5420c22e55b951067debbungeman#if defined _WIN32 14398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( push ) 14408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( disable : 4701 ) 14418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 14428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1443f553e4e09cd2baf15fc041daab8a08bd46e352f0herb//////////////////////////////////////////////////////////////////////////////////////////////////// 14442e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1445d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbclass DrawOneGlyph { 1446d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbpublic: 1447d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb DrawOneGlyph(const SkDraw& draw, const SkPaint& paint, SkGlyphCache* cache, SkBlitter* blitter) 1448d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb : fUseRegionToDraw(UsingRegionToDraw(draw.fRC)) 1449d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fGlyphCache(cache) 1450d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fBlitter(blitter) 1451d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fClip(fUseRegionToDraw ? &draw.fRC->bwRgn() : nullptr) 1452d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fDraw(draw) 1453d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fPaint(paint) 1454d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fClipBounds(PickClipBounds(draw)) { } 1455d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 1456d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb void operator()(const SkGlyph& glyph, SkPoint position, SkPoint rounding) { 1457d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb position += rounding; 1458d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb Sk48Dot16 fx = SkScalarTo48Dot16(position.fX); 1459d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb Sk48Dot16 fy = SkScalarTo48Dot16(position.fY); 1460d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb // Prevent glyphs from being drawn outside of or straddling the edge of device space. 1461d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if ((fx >> 16) > INT_MAX - (INT16_MAX + UINT16_MAX) || 1462d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb (fx >> 16) < INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/) || 1463d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb (fy >> 16) > INT_MAX - (INT16_MAX + UINT16_MAX) || 1464d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb (fy >> 16) < INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/)) { 1465d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return; 1466d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1467d095f2bf06ca810844233bea9fb06de585643b32bungeman 1468d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb int left = Sk48Dot16FloorToInt(fx); 1469d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb int top = Sk48Dot16FloorToInt(fy); 1470d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 14718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1472d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb left += glyph.fLeft; 1473d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb top += glyph.fTop; 14748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1475d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb int right = left + glyph.fWidth; 1476d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb int bottom = top + glyph.fHeight; 14778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1478d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkMask mask; 1479d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask.fBounds.set(left, top, right, bottom); 148083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 1481d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (fUseRegionToDraw) { 1482d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkRegion::Cliperator clipper(*fClip, mask.fBounds); 148383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 1484d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (!clipper.done() && this->getImageData(glyph, &mask)) { 1485d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkIRect& cr = clipper.rect(); 1486d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb do { 1487d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb this->blitMask(mask, cr); 1488d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb clipper.next(); 1489d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } while (!clipper.done()); 1490d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1491d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } else { 1492d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkIRect storage; 1493d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkIRect* bounds = &mask.fBounds; 1494d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 1495d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb // this extra test is worth it, assuming that most of the time it succeeds 1496d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb // since we can avoid writing to storage 1497d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (!fClipBounds.containsNoEmptyCheck(mask.fBounds)) { 1498d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (!storage.intersectNoEmptyCheck(mask.fBounds, fClipBounds)) 1499d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return; 1500d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb bounds = &storage; 1501d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 150283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 1503d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (this->getImageData(glyph, &mask)) { 1504d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb this->blitMask(mask, *bounds); 1505d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1506cd7f03597475ea423aa819bdae03996b26874dd5herb } 150783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1509d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbprivate: 1510d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb static bool UsingRegionToDraw(const SkRasterClip* rClip) { 1511d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return rClip->isBW() && !rClip->isRect(); 1512d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 15132e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1514d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb static SkIRect PickClipBounds(const SkDraw& draw) { 1515d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkRasterClip& rasterClip = *draw.fRC; 15162e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1517d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (rasterClip.isBW()) { 1518d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return rasterClip.bwRgn().getBounds(); 1519d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } else { 1520d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return rasterClip.aaRgn().getBounds(); 1521001e74426672e00f3f2783ccf728031662d4a358herb } 15229447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 1523001e74426672e00f3f2783ccf728031662d4a358herb 1524d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb bool getImageData(const SkGlyph& glyph, SkMask* mask) { 1525d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb uint8_t* bits = (uint8_t*)(fGlyphCache->findImage(glyph)); 1526d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (nullptr == bits) { 1527d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return false; // can't rasterize glyph 1528d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1529d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask->fImage = bits; 1530d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask->fRowBytes = glyph.rowBytes(); 1531d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask->fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 1532d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return true; 15332e8fec79658baef06f4a9fca5e91a4e116b47b3dherb } 15342e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1535d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb void blitMask(const SkMask& mask, const SkIRect& clip) const { 1536d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (SkMask::kARGB32_Format == mask.fFormat) { 1537d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkBitmap bm; 1538d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb bm.installPixels( 1539d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkImageInfo::MakeN32Premul(mask.fBounds.width(), mask.fBounds.height()), 1540d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb (SkPMColor*)mask.fImage, mask.fRowBytes); 1541d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 1542d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb fDraw.drawSprite(bm, mask.fBounds.x(), mask.fBounds.y(), fPaint); 1543045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1544d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb fBlitter->blitMask(mask, clip); 1545045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 15468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15475bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 1548d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const bool fUseRegionToDraw; 1549d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkGlyphCache * const fGlyphCache; 1550d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkBlitter * const fBlitter; 1551d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkRegion* const fClip; 1552d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkDraw& fDraw; 1553d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkPaint& fPaint; 1554d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkIRect fClipBounds; 1555d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb}; 15562e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1557d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb//////////////////////////////////////////////////////////////////////////////////////////////////// 15588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1559f6d1e605317917146362706ed460b5ed6624fcc5bungemanSkPaint::FakeGamma SkDraw::fakeGamma() const { 1560f6d1e605317917146362706ed460b5ed6624fcc5bungeman return fDevice->imageInfo().isLinear() ? SkPaint::FakeGamma::On : SkPaint::FakeGamma::Off; 1561f6d1e605317917146362706ed460b5ed6624fcc5bungeman} 1562f6d1e605317917146362706ed460b5ed6624fcc5bungeman 15638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText(const char text[], size_t byteLength, 15648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint) const { 156596fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(byteLength == 0 || text != nullptr); 15668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1567f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 15688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 157096fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (text == nullptr || byteLength == 0 || fRC->isEmpty()) { 15718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 15728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 157436d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // SkScalarRec doesn't currently have a way of representing hairline stroke and 157536d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // will fill if its frame-width is 0. 1576ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 15778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawText_asPaths(text, byteLength, x, y, paint); 15788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 15798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1581f6d1e605317917146362706ed460b5ed6624fcc5bungeman SkAutoGlyphCache cache(paint, &fDevice->surfaceProps(), this->fakeGamma(), fMatrix); 158211a7f7f5998cb3d5605741e37a7f12f7477d480cherb 158311a7f7f5998cb3d5605741e37a7f12f7477d480cherb // The Blitter Choose needs to be live while using the blitter below. 158411a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint); 158511a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAAClipBlitterWrapper wrapper(*fRC, blitterChooser.get()); 1586f6d1e605317917146362706ed460b5ed6624fcc5bungeman DrawOneGlyph drawOneGlyph(*this, paint, cache.get(), wrapper.getBlitter()); 15878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1588e59124ed1a62f1fec79679c38cabed622a756f75herb SkFindAndPlaceGlyph::ProcessText( 15894c11b3f8a2d9919a21110dbdd29e67e5cbaa41fbherb paint.getTextEncoding(), text, byteLength, 1590f6d1e605317917146362706ed460b5ed6624fcc5bungeman {x, y}, *fMatrix, paint.getTextAlign(), cache.get(), drawOneGlyph); 15918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 15948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1595ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.comvoid SkDraw::drawPosText_asPaths(const char text[], size_t byteLength, 159605c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkScalar pos[], int scalarsPerPosition, 159705c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkPoint& offset, const SkPaint& origPaint) const { 1598ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com // setup our std paint, in hopes of getting hits in the cache 1599ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkPaint paint(origPaint); 1600ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkScalar matrixScale = paint.setupForAsPaths(); 1601ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 16025a64902ee92847f53dfc5b211da19d074179be64reed@google.com SkMatrix matrix; 16035a64902ee92847f53dfc5b211da19d074179be64reed@google.com matrix.setScale(matrixScale, matrixScale); 16048f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 16054e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org // Temporarily jam in kFill, so we only ever ask for the raw outline from the cache. 16064e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setStyle(SkPaint::kFill_Style); 160796fcdcc219d2a0d3579719b84b28bede76efba64halcanary paint.setPathEffect(nullptr); 16084e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org 1609d936f63c35fb7dfb2b6c20802206adbfc3cc48d0benjaminwagner SkPaint::GlyphCacheProc glyphCacheProc = paint.getGlyphCacheProc(true); 1610d936f63c35fb7dfb2b6c20802206adbfc3cc48d0benjaminwagner SkAutoGlyphCache cache(paint, &fDevice->surfaceProps(), this->fakeGamma(), nullptr); 1611ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 1612ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const char* stop = text + byteLength; 161379738cc7bf12d212bef4ff80591d1bf6f383663dbungeman SkTextAlignProc alignProc(paint.getTextAlign()); 161405c4a4322e7d4f3417b7df33825bab8603d52051fmalita SkTextMapStateProc tmsProc(SkMatrix::I(), offset, scalarsPerPosition); 16158f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 16164e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org // Now restore the original settings, so we "draw" with whatever style/stroking. 16174e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setStyle(origPaint.getStyle()); 16184e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setPathEffect(origPaint.getPathEffect()); 16194e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org 1620ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com while (text < stop) { 1621d936f63c35fb7dfb2b6c20802206adbfc3cc48d0benjaminwagner const SkGlyph& glyph = glyphCacheProc(cache.get(), &text); 1622ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (glyph.fWidth) { 1623ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkPath* path = cache->findPath(glyph); 1624ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (path) { 1625cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1626cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 1627cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com SkPoint loc; 1628cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen alignProc(tmsLoc, glyph, &loc); 16298f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 1630cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransX] = loc.fX; 1631cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransY] = loc.fY; 16325a64902ee92847f53dfc5b211da19d074179be64reed@google.com if (fDevice) { 16335a64902ee92847f53dfc5b211da19d074179be64reed@google.com fDevice->drawPath(*this, *path, paint, &matrix, false); 16345a64902ee92847f53dfc5b211da19d074179be64reed@google.com } else { 16355a64902ee92847f53dfc5b211da19d074179be64reed@google.com this->drawPath(*path, paint, &matrix, false); 16365a64902ee92847f53dfc5b211da19d074179be64reed@google.com } 1637ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1638ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1639ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com pos += scalarsPerPosition; 1640ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1641ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com} 1642ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 16438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPosText(const char text[], size_t byteLength, 164405c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkScalar pos[], int scalarsPerPosition, 164505c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkPoint& offset, const SkPaint& paint) const { 164696fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(byteLength == 0 || text != nullptr); 16478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 16488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1649f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 16508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 165296fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (text == nullptr || byteLength == 0 || fRC->isEmpty()) { 16538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1656ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 165705c4a4322e7d4f3417b7df33825bab8603d52051fmalita this->drawPosText_asPaths(text, byteLength, pos, scalarsPerPosition, offset, paint); 16588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1661f6d1e605317917146362706ed460b5ed6624fcc5bungeman SkAutoGlyphCache cache(paint, &fDevice->surfaceProps(), this->fakeGamma(), fMatrix); 1662d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 16639be5ff6f9871ef22740094e7c25dd67329a73d20herb // The Blitter Choose needs to be live while using the blitter below. 166411a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint); 166511a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAAClipBlitterWrapper wrapper(*fRC, blitterChooser.get()); 1666f6d1e605317917146362706ed460b5ed6624fcc5bungeman DrawOneGlyph drawOneGlyph(*this, paint, cache.get(), wrapper.getBlitter()); 1667d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkPaint::Align textAlignment = paint.getTextAlign(); 16688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16699be5ff6f9871ef22740094e7c25dd67329a73d20herb SkFindAndPlaceGlyph::ProcessPosText( 16704c11b3f8a2d9919a21110dbdd29e67e5cbaa41fbherb paint.getTextEncoding(), text, byteLength, 1671f6d1e605317917146362706ed460b5ed6624fcc5bungeman offset, *fMatrix, pos, scalarsPerPosition, textAlignment, cache.get(), drawOneGlyph); 16728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1674d7dc76f7e99309cbd09a5420c22e55b951067debbungeman#if defined _WIN32 16758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( pop ) 16768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 16778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 16798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16805dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreedstatic SkScan::HairRCProc ChooseHairProc(bool doAntiAlias) { 16818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; 16828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool texture_to_matrix(const VertState& state, const SkPoint verts[], 16858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint texs[], SkMatrix* matrix) { 16868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src[3], dst[3]; 1687a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 16888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[0] = texs[state.f0]; 16898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[1] = texs[state.f1]; 16908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[2] = texs[state.f2]; 16918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[0] = verts[state.f0]; 16928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[1] = verts[state.f1]; 16938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[2] = verts[state.f2]; 16948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return matrix->setPolyToPoly(src, dst, 3); 16958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkTriColorShader : public SkShader { 16988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 169988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic SkTriColorShader(); 17008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 170187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org class TriColorShaderContext : public SkShader::Context { 170287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org public: 1703e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org TriColorShaderContext(const SkTriColorShader& shader, const ContextRec&); 170487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org virtual ~TriColorShaderContext(); 170536352bf5e38f45a70ee4f4fc132a38048d38206dmtklein void shadeSpan(int x, int y, SkPMColor dstC[], int count) override; 170687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 170787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org private: 170888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic bool setup(const SkPoint pts[], const SkColor colors[], int, int, int); 170988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 171087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkMatrix fDstToUnit; 171187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkPMColor fColors[3]; 171288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic bool fSetup; 171387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 171487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org typedef SkShader::Context INHERITED; 171587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org }; 1716a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 171788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic struct TriColorShaderData { 171888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic const SkPoint* pts; 171988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic const SkColor* colors; 172088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic const VertState *state; 172188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic }; 172288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 17230f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org SK_TO_STRING_OVERRIDE() 17247e44bb191633e225fd0455c267dbf67f9ee8633emtklein 17257e44bb191633e225fd0455c267dbf67f9ee8633emtklein // For serialization. This will never be called. 172696fcdcc219d2a0d3579719b84b28bede76efba64halcanary Factory getFactory() const override { sk_throw(); return nullptr; } 1727ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 172888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // Supply setup data to context from drawing setup 172988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic void bindSetupData(TriColorShaderData* setupData) { fSetupData = setupData; } 173088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 173188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // Take the setup data from context when needed. 173288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData* takeSetupData() { 173388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData *data = fSetupData; 173488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic fSetupData = NULL; 173588cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic return data; 173688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic } 173788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 17388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 1739773ceda51ca120b686ba2d1aff1b6d5173143be0reed size_t onContextSize(const ContextRec&) const override; 174036352bf5e38f45a70ee4f4fc132a38048d38206dmtklein Context* onCreateContext(const ContextRec& rec, void* storage) const override { 1741385fe4d4b62d7d1dd76116dd570df3290a2f487bhalcanary return new (storage) TriColorShaderContext(*this, rec); 1742ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org } 1743ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org 17448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 174588cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData *fSetupData; 174688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 17478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkShader INHERITED; 17488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 17498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 175087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgbool SkTriColorShader::TriColorShaderContext::setup(const SkPoint pts[], const SkColor colors[], 175187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int index0, int index1, int index2) { 1752a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[0] = SkPreMultiplyColor(colors[index0]); 17548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[1] = SkPreMultiplyColor(colors[index1]); 17558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[2] = SkPreMultiplyColor(colors[index2]); 1756a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix m, im; 17588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.reset(); 17598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(0, pts[index1].fX - pts[index0].fX); 17608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(1, pts[index2].fX - pts[index0].fX); 17618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(2, pts[index0].fX); 17628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(3, pts[index1].fY - pts[index0].fY); 17638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(4, pts[index2].fY - pts[index0].fY); 17648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(5, pts[index0].fY); 17658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!m.invert(&im)) { 17668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 17678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 176880116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org // We can't call getTotalInverse(), because we explicitly don't want to look at the localmatrix 176980116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org // as our interators are intrinsically tied to the vertices, and nothing else. 177080116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkMatrix ctmInv; 177180116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (!this->getCTM().invert(&ctmInv)) { 177280116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org return false; 177380116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org } 177488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // TODO replace INV(m) * INV(ctm) with INV(ctm * m) 177580116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org fDstToUnit.setConcat(im, ctmInv); 177692362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org return true; 17778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 1780689411a87ca7d19abe04b5c9baff26bd96b2123ereed@android.com#include "SkComposeShader.h" 17818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic int ScalarTo256(SkScalar v) { 178343437c2f1928073a30c2bab6d32df854658235ecbenjaminwagner return static_cast<int>(SkScalarPin(v, 0, 1) * 256 + 0.5); 17848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 178688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovicSkTriColorShader::SkTriColorShader() 178788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic : INHERITED(NULL) 178888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic , fSetupData(NULL) {} 178987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 1790e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.orgSkTriColorShader::TriColorShaderContext::TriColorShaderContext(const SkTriColorShader& shader, 1791e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org const ContextRec& rec) 179288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic : INHERITED(shader, rec) 179388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic , fSetup(false) {} 179487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 179587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkTriColorShader::TriColorShaderContext::~TriColorShaderContext() {} 179687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 1797773ceda51ca120b686ba2d1aff1b6d5173143be0reedsize_t SkTriColorShader::onContextSize(const ContextRec&) const { 1798a0cee5f30e9254187a6bb943e6b8a9296214c353reed return sizeof(TriColorShaderContext); 179987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 1800773ceda51ca120b686ba2d1aff1b6d5173143be0reed 180187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkTriColorShader::TriColorShaderContext::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 180288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic SkTriColorShader* parent = static_cast<SkTriColorShader*>(const_cast<SkShader*>(&fShader)); 180388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData* set = parent->takeSetupData(); 180488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic if (set) { 180588cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic fSetup = setup(set->pts, set->colors, set->state->f0, set->state->f1, set->state->f2); 180688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic } 180788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 180888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic if (!fSetup) { 180988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // Invalid matrices. Not checked before so no need to assert. 181088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic return; 181188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic } 181288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 181306a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org const int alphaScale = Sk255To256(this->getPaintAlpha()); 181406a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org 18158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src; 1816a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 18188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDstToUnit.mapXY(SkIntToScalar(x), SkIntToScalar(y), &src); 18198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += 1; 1820a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale1 = ScalarTo256(src.fX); 18228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale2 = ScalarTo256(src.fY); 18238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale0 = 256 - scale1 - scale2; 18248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale0 < 0) { 18258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale1 > scale2) { 18268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale2 = 256 - scale1; 18278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale1 = 256 - scale2; 18298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale0 = 0; 18318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1832a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 183306a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org if (256 != alphaScale) { 183406a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale0 = SkAlphaMul(scale0, alphaScale); 183506a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale1 = SkAlphaMul(scale1, alphaScale); 183606a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale2 = SkAlphaMul(scale2, alphaScale); 183706a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org } 183806a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org 18398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dstC[i] = SkAlphaMulQ(fColors[0], scale0) + 184006a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org SkAlphaMulQ(fColors[1], scale1) + 184106a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org SkAlphaMulQ(fColors[2], scale2); 18428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18450f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org#ifndef SK_IGNORE_TO_STRING 184676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkTriColorShader::toString(SkString* str) const { 184776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append("SkTriColorShader: ("); 184876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 184976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 185076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 185176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 185276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 185376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 185476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 18558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count, 18568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint vertices[], const SkPoint textures[], 18578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkColor colors[], SkXfermode* xmode, 18588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t indices[], int indexCount, 18598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 186049f085dddff10473b6ebf832a974288300224e60bsalomon SkASSERT(0 == count || vertices); 1861a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // abort early if there is nothing to draw 1863045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (count < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { 18648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 18658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1866a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform out vertices into device coordinates 18688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoSTMalloc<16, SkPoint> storage(count); 18698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint* devVerts = storage.get(); 18708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapPoints(devVerts, vertices, count); 1871a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 18738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com We can draw the vertices in 1 of 4 ways: 18748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - solid color (no shader/texture[], no colors[]) 18768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just colors (no shader/texture[], has colors[]) 18778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just texture (has shader/texture[], no colors[]) 18788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - colors * texture (has shader/texture[], has colors[]) 1879a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Thus for texture drawing, we need both texture[] and a shader. 18818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 18828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18838a21c9fe7f5fef9e87115defef27bd7218419f28reed auto triShader = sk_make_sp<SkTriColorShader>(); 18848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 18858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = p.getShader(); 188796fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == shader) { 18888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we have no shader, we ignore the texture coordinates 188996fcdcc219d2a0d3579719b84b28bede76efba64halcanary textures = nullptr; 189096fcdcc219d2a0d3579719b84b28bede76efba64halcanary } else if (nullptr == textures) { 18918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we don't have texture coordinates, ignore the shader 189296fcdcc219d2a0d3579719b84b28bede76efba64halcanary p.setShader(nullptr); 189396fcdcc219d2a0d3579719b84b28bede76efba64halcanary shader = nullptr; 18948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup the custom shader (if needed) 18978a21c9fe7f5fef9e87115defef27bd7218419f28reed sk_sp<SkShader> composeShader; 189849f085dddff10473b6ebf832a974288300224e60bsalomon if (colors) { 189996fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == textures) { 19008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // just colors (no texture) 19018a21c9fe7f5fef9e87115defef27bd7218419f28reed p.setShader(triShader); 19028a21c9fe7f5fef9e87115defef27bd7218419f28reed shader = p.getShader(); 19038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 19048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // colors * texture 19058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(shader); 19068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool releaseMode = false; 190796fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == xmode) { 19088d3cd7a170c810e3816bf00220cbef51e7b16795reed@google.com xmode = SkXfermode::Create(SkXfermode::kModulate_Mode); 19098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com releaseMode = true; 19108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19118a21c9fe7f5fef9e87115defef27bd7218419f28reed composeShader = sk_make_sp<SkComposeShader>(triShader, sk_ref_sp(shader), xmode); 191287fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org p.setShader(composeShader); 19138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (releaseMode) { 19148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com xmode->unref(); 19158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 191941e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, p); 192087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Abort early if we failed to create a shader context. 1921ea033606a06d05d2d42aa7118409fee798e53167reed@google.com if (blitter->isNullBlitter()) { 1922ea033606a06d05d2d42aa7118409fee798e53167reed@google.com return; 1923ea033606a06d05d2d42aa7118409fee798e53167reed@google.com } 1924ea033606a06d05d2d42aa7118409fee798e53167reed@google.com 19258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup our state and function pointer for iterating triangles 19268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState state(count, indices, indexCount); 19278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState::Proc vertProc = state.chooseProc(vmode); 1928a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 192949f085dddff10473b6ebf832a974288300224e60bsalomon if (textures || colors) { 193088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic SkTriColorShader::TriColorShaderData verticesSetup = { vertices, colors, &state }; 193188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 19328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 193349f085dddff10473b6ebf832a974288300224e60bsalomon if (textures) { 193480116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkMatrix tempM; 19358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (texture_to_matrix(state, vertices, textures, &tempM)) { 1936d0c4e092d54d281991ecfdc2e4ddd5217e45b42afmalita SkShader::ContextRec rec(p, *fMatrix, &tempM, 1937d0c4e092d54d281991ecfdc2e4ddd5217e45b42afmalita SkBlitter::PreferredShaderDest(fDst.info())); 193880116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (!blitter->resetShaderContext(rec)) { 19398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 19408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 194349f085dddff10473b6ebf832a974288300224e60bsalomon if (colors) { 19448a21c9fe7f5fef9e87115defef27bd7218419f28reed triShader->bindSetupData(&verticesSetup); 19458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1946045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1947045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPoint tmp[] = { 1948045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] 1949045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com }; 1950045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillTriangle(tmp, *fRC, blitter.get()); 19518a21c9fe7f5fef9e87115defef27bd7218419f28reed triShader->bindSetupData(NULL); 19528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1954559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org // no colors[] and no texture, stroke hairlines with paint's color. 19555dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::HairRCProc hairProc = ChooseHairProc(paint.isAntiAlias()); 1956045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 19578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 19585dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkPoint array[] = { 19595dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed devVerts[state.f0], devVerts[state.f1], devVerts[state.f2], devVerts[state.f0] 19605dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed }; 19615dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed hairProc(array, 4, clip, blitter.get()); 19628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19660a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 19670a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 19688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 19708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1971f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comvoid SkDraw::validate() const { 197296fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(fMatrix != nullptr); 197396fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(fClip != nullptr); 197496fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(fRC != nullptr); 19758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1976045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& cr = fRC->getBounds(); 19778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect br; 19788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 197941e010cb901c0da9066c4df562030808c9ccd7f8reed br.set(0, 0, fDst.width(), fDst.height()); 19808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(cr.isEmpty() || br.contains(cr)); 19818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 19848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//////////////////////////////////////////////////////////////////////////////////////////////// 19868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 19888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 19898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 19908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 19918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds, 1993b07a94f1cba3976596ae1a7f23d8c2043ba353f3reed const SkMaskFilter* filter, const SkMatrix* filterMatrix, 19948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect* bounds) { 19958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (devPath.isEmpty()) { 19968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 19978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // init our bounds from the path 200011fa2247b747eb75e2f158dc7571d458ed6c0115reed *bounds = devPath.getBounds().makeOutset(SK_ScalarHalf, SK_ScalarHalf).roundOut(); 2001a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20026db75fc2c393ba86a3f533597a8bcd348477e79ctomhudson@google.com SkIPoint margin = SkIPoint::Make(0, 0); 20038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (filter) { 20048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(filterMatrix); 2005a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20065af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkMask srcM, dstM; 2007a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fBounds = *bounds; 20098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fFormat = SkMask::kA8_Format; 20108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!filter->filterMask(&dstM, srcM, *filterMatrix, &margin)) { 20118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 20128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2014a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20155af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com // (possibly) trim the bounds to reflect the clip 20168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (plus whatever slop the filter needs) 20175af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (clipBounds) { 20183555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // Ugh. Guard against gigantic margins from wacky filters. Without this 20193555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // check we can request arbitrary amounts of slop beyond our visible 20203555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // clip, and bring down the renderer (at least on finite RAM machines 20213555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // like handsets, etc.). Need to balance this invented value between 20223555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // quality of large filters like blurs, and the corresponding memory 20233555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // requests. 20243555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com static const int MAX_MARGIN = 128; 202511fa2247b747eb75e2f158dc7571d458ed6c0115reed if (!bounds->intersect(clipBounds->makeOutset(SkMin32(margin.fX, MAX_MARGIN), 202611fa2247b747eb75e2f158dc7571d458ed6c0115reed SkMin32(margin.fY, MAX_MARGIN)))) { 20275af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com return false; 20285af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com } 20298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 20328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 203441e010cb901c0da9066c4df562030808c9ccd7f8reedstatic void draw_into_mask(const SkMask& mask, const SkPath& devPath, SkPaint::Style style) { 203541e010cb901c0da9066c4df562030808c9ccd7f8reed SkDraw draw; 203641e010cb901c0da9066c4df562030808c9ccd7f8reed if (!draw.fDst.reset(mask)) { 203741e010cb901c0da9066c4df562030808c9ccd7f8reed return; 203841e010cb901c0da9066c4df562030808c9ccd7f8reed } 203941e010cb901c0da9066c4df562030808c9ccd7f8reed 2040045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRasterClip clip; 2041045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkMatrix matrix; 2042045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPaint paint; 20438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2044045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height())); 20458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 20468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 20478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2048045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fRC = &clip; 2049045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fClip = &clip.bwRgn(); 20508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 20518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 20522ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org paint.setStyle(style); 20538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawPath(devPath, paint); 20548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkDraw::DrawToMask(const SkPath& devPath, const SkIRect* clipBounds, 205730711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 20582ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkMask* mask, SkMask::CreateMode mode, 20592ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 20608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustRenderImage_CreateMode != mode) { 20618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!compute_bounds(devPath, clipBounds, filter, filterMatrix, &mask->fBounds)) 20628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 20638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2064a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kComputeBoundsAndRenderImage_CreateMode == mode) { 20668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fFormat = SkMask::kA8_Format; 20678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fRowBytes = mask->fBounds.width(); 2068543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask->computeImageSize(); 2069543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 2070543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // we're too big to allocate the mask, abort 2071543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return false; 2072543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 2073543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com mask->fImage = SkMask::AllocImage(size); 20748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask->fImage, 0, mask->computeImageSize()); 20758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustComputeBounds_CreateMode != mode) { 20782ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org draw_into_mask(*mask, devPath, style); 20798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2080a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 20828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2083