SkDraw.cpp revision 7d954ad797176afedb9262fdea4507d0fc60eb9d
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" 10374772bd61951f01bf84fe17bf53d8867681c9aereed#include "SkBlendModePriv.h" 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDevice.h" 151c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com#include "SkDeviceLooper.h" 16e5911c9c5b859d60208f4b9ac4bf2a638f4bc35fherb#include "SkFindAndPlaceGlyph.h" 172211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com#include "SkFixed.h" 188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkMaskFilter.h" 19f553e4e09cd2baf15fc041daab8a08bd46e352f0herb#include "SkMatrix.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathEffect.h" 22045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com#include "SkRasterClip.h" 238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRasterizer.h" 24a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com#include "SkRRect.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScan.h" 268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 27a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org#include "SkSmallAllocator.h" 2876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#include "SkString.h" 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkStroke.h" 30435657fd62960ceffb1c3c63f63e836373560bc5halcanary#include "SkStrokeRec.h" 31f553e4e09cd2baf15fc041daab8a08bd46e352f0herb#include "SkTemplates.h" 32cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen#include "SkTextMapStateProc.h" 3332e5d97ccf60f859db063ebd6e903c362e625767reed@google.com#include "SkTLazy.h" 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 35559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org#include "SkVertState.h" 36cfb6bdf767796c950f89985445738d2d8e7f12b0reed#include "SkXfermode.h" 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBitmapProcShader.h" 398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDrawProcs.h" 40ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#include "SkMatrixUtils.h" 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//#define TRACE_BITMAP_DRAWS 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 44d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb// Helper function to fix code gen bug on ARM64. 45d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb// See SkFindAndPlaceGlyph.h for more details. 46d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbvoid FixGCC49Arm64Bug(int v) { } 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 48fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com/** Helper for allocating small blitters on the stack. 49fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com */ 5040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBlitterChoose : SkNoncopyable { 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 521d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkAutoBlitterChoose() { 5396fcdcc219d2a0d3579719b84b28bede76efba64halcanary fBlitter = nullptr; 541d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 5541e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose(const SkPixmap& dst, const SkMatrix& matrix, 56126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkPaint& paint, bool drawCoverage = false) { 5741e010cb901c0da9066c4df562030808c9ccd7f8reed fBlitter = SkBlitter::Choose(dst, matrix, paint, &fAllocator, drawCoverage); 58e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org } 59e59124ed1a62f1fec79679c38cabed622a756f75herb 608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* operator->() { return fBlitter; } 618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* get() const { return fBlitter; } 628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6341e010cb901c0da9066c4df562030808c9ccd7f8reed void choose(const SkPixmap& dst, const SkMatrix& matrix, 6453f0959fc024c56dc55fe6bf86380127b59abec9krajcevski const SkPaint& paint, bool drawCoverage = false) { 651d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkASSERT(!fBlitter); 6641e010cb901c0da9066c4df562030808c9ccd7f8reed fBlitter = SkBlitter::Choose(dst, matrix, paint, &fAllocator, drawCoverage); 671d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 681d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 70a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Owned by fAllocator, which will handle the delete. 71a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkBlitter* fBlitter; 72a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 74e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBlitterChoose(...) SK_REQUIRE_LOCAL_VAR(SkAutoBlitterChoose) 758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com/** 7740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * Since we are providing the storage for the shader (to avoid the perf cost 7840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * of calling new) we insist that in our destructor we can account for all 7940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com * owners of the shader. 8040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com */ 8140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBitmapShaderInstall : SkNoncopyable { 828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 839c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint, 8496fcdcc219d2a0d3579719b84b28bede76efba64halcanary const SkMatrix* localMatrix = nullptr) 8540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com : fPaint(paint) /* makes a copy of the paint */ { 868a21c9fe7f5fef9e87115defef27bd7218419f28reed fPaint.setShader(SkMakeBitmapShader(src, SkShader::kClamp_TileMode, 871ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed SkShader::kClamp_TileMode, localMatrix, 881ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed kNever_SkCopyPixelsMode, 891ec04d9553af68b458c8dd6bd18d8c25ebd41d7areed &fAllocator)); 9040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // we deliberately left the shader with an owner-count of 2 918a21c9fe7f5fef9e87115defef27bd7218419f28reed fPaint.getShader()->ref(); 9240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkASSERT(2 == fPaint.getShader()->getRefCnt()); 938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9482065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoBitmapShaderInstall() { 96a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // since fAllocator will destroy shader, we insist that owners == 2 97a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkASSERT(2 == fPaint.getShader()->getRefCnt()); 988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9996fcdcc219d2a0d3579719b84b28bede76efba64halcanary fPaint.setShader(nullptr); // unref the shader by 1 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10282065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 10340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // return the new paint that has the shader applied 10440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& paintWithShader() const { return fPaint; } 10582065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 107a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // copy of caller's paint (which we then modify) 108a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkPaint fPaint; 109a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // Stores the shader. 110a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator fAllocator; 1118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 112e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoBitmapShaderInstall(...) SK_REQUIRE_LOCAL_VAR(SkAutoBitmapShaderInstall) 1138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 116f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comSkDraw::SkDraw() { 117f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com sk_bzero(this, sizeof(*this)); 118f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com} 119f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@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 167374772bd61951f01bf84fe17bf53d8867681c9aereed SkBlendMode mode = paint.getBlendMode(); 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor color = paint.getColor(); 169a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // collaps modes based on color... 171374772bd61951f01bf84fe17bf53d8867681c9aereed if (SkBlendMode::kSrcOver == mode) { 1728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned alpha = SkColorGetA(color); 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == alpha) { 174374772bd61951f01bf84fe17bf53d8867681c9aereed mode = SkBlendMode::kDst; 1758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (0xFF == alpha) { 176374772bd61951f01bf84fe17bf53d8867681c9aereed mode = SkBlendMode::kSrc; 1778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 179a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 181374772bd61951f01bf84fe17bf53d8867681c9aereed case SkBlendMode::kClear: 1828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Clear_BitmapXferProc\n"); 1838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Clear_BitmapXferProc; // ignore data 184374772bd61951f01bf84fe17bf53d8867681c9aereed case SkBlendMode::kDst: 1858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Dst_BitmapXferProc\n"); 1868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Dst_BitmapXferProc; // ignore data 187374772bd61951f01bf84fe17bf53d8867681c9aereed case SkBlendMode::kSrc: { 1888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 189a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com should I worry about dithering for the lower depths? 1908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor pmc = SkPreMultiplyColor(color); 19241e010cb901c0da9066c4df562030808c9ccd7f8reed switch (dst.colorType()) { 19328fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = pmc; 1968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D32_Src_BitmapXferProc\n"); 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D32_Src_BitmapXferProc; 199900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel16(pmc); 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 205900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkGetPackedA32(pmc); 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- DA8_Src_BitmapXferProc\n"); 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return DA8_Src_BitmapXferProc; 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21996fcdcc219d2a0d3579719b84b28bede76efba64halcanary return nullptr; 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22241e010cb901c0da9066c4df562030808c9ccd7f8reedstatic void CallBitmapXferProc(const SkPixmap& dst, const SkIRect& rect, BitmapXferProc proc, 22341e010cb901c0da9066c4df562030808c9ccd7f8reed uint32_t procData) { 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int shiftPerPixel; 22541e010cb901c0da9066c4df562030808c9ccd7f8reed switch (dst.colorType()) { 22628fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 2278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 2; 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 229900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kRGB_565_SkColorType: 2308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 1; 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 232900ecf2f1579d42c9d2959831787af0346320f86reed@google.com case kAlpha_8_SkColorType: 2338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 0; 2348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2360c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("Can't use xferproc on this config"); 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24041e010cb901c0da9066c4df562030808c9ccd7f8reed uint8_t* pixels = (uint8_t*)dst.writable_addr(); 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pixels); 24241e010cb901c0da9066c4df562030808c9ccd7f8reed const size_t rowBytes = dst.rowBytes(); 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const int widthBytes = rect.width() << shiftPerPixel; 2448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // skip down to the first scanline and X position 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rect.fTop * rowBytes + (rect.fLeft << shiftPerPixel); 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int scans = rect.height() - 1; scans >= 0; --scans) { 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(pixels, widthBytes, procData); 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rowBytes; 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPaint(const SkPaint& paint) const { 254f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 256045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devRect; 26141e010cb901c0da9066c4df562030808c9ccd7f8reed devRect.set(0, 0, fDst.width(), fDst.height()); 262a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 263045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 264045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com /* If we don't have a shader (i.e. we're just a solid color) we may 265045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com be faster to operate directly on the device bitmap, rather than invoking 266045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com a blitter. Esp. true for xfermodes, which require a colorshader to be 267045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com present, which is just redundant work. Since we're drawing everywhere 268045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com in the clip, we don't have to worry about antialiasing. 269045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com */ 270045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t procData = 0; // to avoid the warning 27141e010cb901c0da9066c4df562030808c9ccd7f8reed BitmapXferProc proc = ChooseBitmapXferProc(fDst, paint, &procData); 272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (proc) { 273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (D_Dst_BitmapXferProc == proc) { // nothing to do 274045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 275045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 276a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 277045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRegion::Iterator iter(fRC->bwRgn()); 278045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com while (!iter.done()) { 27941e010cb901c0da9066c4df562030808c9ccd7f8reed CallBitmapXferProc(fDst, iter.rect(), proc, procData); 280045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com iter.next(); 281045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 282045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 2838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 285045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 286045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // normal case: use a blitter 28741e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, paint); 288045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(devRect, *fRC, blitter.get()); 2898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 2928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct PtProcRec { 2948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas::PointMode fMode; 2958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint* fPaint; 2968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRegion* fClip; 297045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip* fRC; 298a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // computed values 3008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fRadius; 301a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const PtProcRec&, const SkPoint devPts[], int count, 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool init(SkCanvas::PointMode, const SkPaint&, const SkMatrix* matrix, 306045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip*); 307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com Proc chooseProc(SkBlitter** blitter); 308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 309045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comprivate: 310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper fWrapper; 3118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(rec.fClip->isRect()); 3168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkIRect& r = rec.fClip->getBounds(); 317a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3192d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3202d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_16_hair_proc(const PtProcRec& rec, 3288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint devPts[], int count, 3298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter) { 330045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(rec.fRC->isRect()); 331045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 33341e010cb901c0da9066c4df562030808c9ccd7f8reed const SkPixmap* dst = blitter->justAnOpaqueColor(&value); 33441e010cb901c0da9066c4df562030808c9ccd7f8reed SkASSERT(dst); 335c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 33641e010cb901c0da9066c4df562030808c9ccd7f8reed uint16_t* addr = dst->writable_addr16(0, 0); 33741e010cb901c0da9066c4df562030808c9ccd7f8reed size_t rb = dst->rowBytes(); 338c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3402d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3412d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ((uint16_t*)((char*)addr + y * rb))[x] = SkToU16(value); 3448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3482d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.comstatic void bw_pt_rect_32_hair_proc(const PtProcRec& rec, 3492d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkPoint devPts[], int count, 3502d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkBlitter* blitter) { 3512d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(rec.fRC->isRect()); 3522d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3532d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com uint32_t value; 35441e010cb901c0da9066c4df562030808c9ccd7f8reed const SkPixmap* dst = blitter->justAnOpaqueColor(&value); 35541e010cb901c0da9066c4df562030808c9ccd7f8reed SkASSERT(dst); 356c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 35741e010cb901c0da9066c4df562030808c9ccd7f8reed SkPMColor* addr = dst->writable_addr32(0, 0); 35841e010cb901c0da9066c4df562030808c9ccd7f8reed size_t rb = dst->rowBytes(); 359c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3602d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com for (int i = 0; i < count; i++) { 3612d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3622d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3632d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (r.contains(x, y)) { 3642d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com ((SkPMColor*)((char*)addr + y * rb))[x] = value; 3652d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3662d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3672d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com} 3682d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com 3698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 372e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 373e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (rec.fClip->contains(x, y)) { 3758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 3835dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::HairLine(&devPts[i], 2, *rec.fRC, blitter); 3848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3895dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::HairLine(devPts, count, *rec.fRC, blitter); 3908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// aa versions 3938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 3975dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::AntiHairLine(&devPts[i], 2, *rec.fRC, blitter); 3988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4035dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::AntiHairLine(devPts, count, *rec.fRC, blitter); 4048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// square procs (strokeWidth > 0 but matrix is square-scale (sx == sy) 4078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 414c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 4158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 420c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 421045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillXRect(r, *rec.fRC, blitter); 4228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 431a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 4328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 437a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 438045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiFillXRect(r, *rec.fRC, blitter); 4398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 442b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com// If this guy returns true, then chooseProc() must return a valid proc 4438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool PtProcRec::init(SkCanvas::PointMode mode, const SkPaint& paint, 444045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkMatrix* matrix, const SkRasterClip* rc) { 4453ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang if ((unsigned)mode > (unsigned)SkCanvas::kPolygon_PointMode) { 4463ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang return false; 4473ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang } 4483ece53ed30b934894c87c8adb2a77cfdf2ecfcfeochang 4498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect()) { 4508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.getStrokeWidth(); 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == width) { 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 45696fcdcc219d2a0d3579719b84b28bede76efba64halcanary fClip = nullptr; 457045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4582d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com fRadius = SK_FixedHalf; 4598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 461b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com if (paint.getStrokeCap() != SkPaint::kRound_Cap && 4629f2251c73ed6f417dd1057d487bf523e04488440robertphillips matrix->isScaleTranslate() && SkCanvas::kPoints_PointMode == mode) { 4638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = matrix->get(SkMatrix::kMScaleX); 4648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = matrix->get(SkMatrix::kMScaleY); 4658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkScalarNearlyZero(sx - sy)) { 4668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (sx < 0) { 4678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sx = -sx; 4688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 47296fcdcc219d2a0d3579719b84b28bede76efba64halcanary fClip = nullptr; 473045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRadius = SkScalarToFixed(SkScalarMul(width, sx)) >> 1; 4758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 481045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comPtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) { 48296fcdcc219d2a0d3579719b84b28bede76efba64halcanary Proc proc = nullptr; 483a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 484045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = *blitterPtr; 485045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 486045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fRC->bwRgn(); 487045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 488045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fWrapper.init(*fRC, blitter); 489045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fWrapper.getRgn(); 490045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = fWrapper.getBlitter(); 491045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com *blitterPtr = blitter; 492045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 493045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 4948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // for our arrays 4958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == SkCanvas::kPoints_PointMode); 4968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == SkCanvas::kLines_PointMode); 4978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(2 == SkCanvas::kPolygon_PointMode); 4988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)fMode <= (unsigned)SkCanvas::kPolygon_PointMode); 4998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5002d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fPaint->isAntiAlias()) { 5012d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (0 == fPaint->getStrokeWidth()) { 5028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const Proc gAAProcs[] = { 5038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com aa_square_proc, aa_line_hair_proc, aa_poly_hair_proc 5048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gAAProcs[fMode]; 5062d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (fPaint->getStrokeCap() != SkPaint::kRound_Cap) { 5072d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(SkCanvas::kPoints_PointMode == fMode); 5082d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = aa_square_proc; 5092d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 5102d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else { // BW 5112d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fRadius <= SK_FixedHalf) { // small radii and hairline 5128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) { 5138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 51441e010cb901c0da9066c4df562030808c9ccd7f8reed const SkPixmap* bm = blitter->justAnOpaqueColor(&value); 515900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bm && kRGB_565_SkColorType == bm->colorType()) { 5168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_16_hair_proc; 51728fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org } else if (bm && kN32_SkColorType == bm->colorType()) { 5182d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = bw_pt_rect_32_hair_proc; 5198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_hair_proc; 5218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static Proc gBWProcs[] = { 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bw_pt_hair_proc, bw_line_hair_proc, bw_poly_hair_proc 5258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gBWProcs[fMode]; 5278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_square_proc; 5308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return proc; 5338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// each of these costs 8-bytes of stack space, so don't make it too large 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// must be even for lines/polygon to work 5378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define MAX_DEV_PTS 32 5388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count, 540f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkPoint pts[], const SkPaint& paint, 541f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com bool forceUseDevice) const { 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we're in lines mode, force count to be even 5438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kLines_PointMode == mode) { 5448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count &= ~(size_t)1; 5458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((long)count <= 0) { 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 550a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 55196fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(pts != nullptr); 552f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 553a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 555045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 5568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com PtProcRec rec; 560045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) { 56141e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, paint); 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint devPts[MAX_DEV_PTS]; 5648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 5658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* bltr = blitter.get(); 566045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com PtProcRec::Proc proc = rec.chooseProc(&bltr); 5678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // we have to back up subsequent passes if we're in polygon mode 5688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t backup = (SkCanvas::kPolygon_PointMode == mode); 569a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com do { 571a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org int n = SkToInt(count); 5728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (n > MAX_DEV_PTS) { 5738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n = MAX_DEV_PTS; 5748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix->mapPoints(devPts, pts, n); 5768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(rec, devPts, n, bltr); 5778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts += n - backup; 578a8c7f7702fb4bbedb615031bc653c5cd161a038ecommit-bot@chromium.org SkASSERT(SkToInt(count) >= n); 5798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= n; 5808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (count > 0) { 5818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += backup; 5828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } while (count != 0); 5848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 5868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPoints_PointMode: { 5878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // temporarily mark the paint as filling. 58840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint newPaint(paint); 58940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com newPaint.setStyle(SkPaint::kFill_Style); 5908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 59140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkScalar width = newPaint.getStrokeWidth(); 5928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar radius = SkScalarHalf(width); 593a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 59440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 5958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 5968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix preMatrix; 5977ef849d45a4de02697697ea213bfae7c215a0c38mtklein 5988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.addCircle(0, 0, radius); 5998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com preMatrix.setTranslate(pts[i].fX, pts[i].fY); 6018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // pass true for the last point, since we can modify 6028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // then path then 603b3eb687f8a89eb1eacd1afb4016401eb392f66abjvanverth path.setIsVolatile((count-1) == i); 604f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 60540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawPath(*this, path, newPaint, &preMatrix, 606f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com (count-1) == i); 607f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 60840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawPath(path, newPaint, &preMatrix, 60940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com (count-1) == i); 610f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 614a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = pts[i].fX - radius; 6178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = pts[i].fY - radius; 6188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = r.fLeft + width; 6198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = r.fTop + width; 620f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 62140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawRect(*this, r, newPaint); 622f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 62340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawRect(r, newPaint); 624f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 6288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kLines_PointMode: 63049f085dddff10473b6ebf832a974288300224e60bsalomon if (2 == count && paint.getPathEffect()) { 631629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // most likely a dashed line - see if it is one of the ones 632629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // we can accelerate 633629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkStrokeRec rec(paint); 6346d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkPathEffect::PointData pointData; 635629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 636629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPath path; 637629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.moveTo(pts[0]); 638629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.lineTo(pts[1]); 639629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6404bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect = SkRect::Make(fRC->getBounds()); 6414024f32d99b63a599c544a49f526e53c25135159skia.committer@gmail.com 6424bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (paint.getPathEffect()->asPoints(&pointData, path, rec, 6434bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com *fMatrix, &cullRect)) { 6446d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // 'asPoints' managed to find some fast path 6456d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 646629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPaint newP(paint); 64796fcdcc219d2a0d3579719b84b28bede76efba64halcanary newP.setPathEffect(nullptr); 648935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com newP.setStyle(SkPaint::kFill_Style); 649629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6506d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fFirst.isEmpty()) { 6516d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6526d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fFirst, newP); 6536d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6546d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fFirst, newP); 6556d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 656629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 6576d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6586d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fLast.isEmpty()) { 6596d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6606d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fLast, newP); 6616d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6626d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fLast, newP); 6636d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6646d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6656d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6666d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (pointData.fSize.fX == pointData.fSize.fY) { 6676d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line can just be drawn as points 6686d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkASSERT(pointData.fSize.fX == SkScalarHalf(newP.getStrokeWidth())); 6696d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6706d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (SkPathEffect::PointData::kCircles_PointFlag & pointData.fFlags) { 6716d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kRound_Cap); 6726d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6736d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kButt_Cap); 6746d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6756d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6766d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6777a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com fDevice->drawPoints(*this, 6786d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkCanvas::kPoints_PointMode, 6796d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 6806d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 6816d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP); 6826d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6836d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPoints(SkCanvas::kPoints_PointMode, 6846d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 6856d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 6866d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP, 6876d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com forceUseDevice); 6886d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6896d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com break; 690935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } else { 6916d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line must be drawn as rects 6927a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com SkASSERT(!(SkPathEffect::PointData::kCircles_PointFlag & 6936d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fFlags)); 6946d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6956d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkRect r; 6966d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6976d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com for (int i = 0; i < pointData.fNumPoints; ++i) { 6986d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com r.set(pointData.fPoints[i].fX - pointData.fSize.fX, 6996d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY - pointData.fSize.fY, 7006d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fX + pointData.fSize.fX, 7016d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY + pointData.fSize.fY); 7026d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7036d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawRect(*this, r, newP); 7046d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7056d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawRect(r, newP); 7066d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7076d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 708935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } 7096d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 710629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com break; 711629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 712629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 713629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // couldn't take fast path so fall through! 7148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPolygon_PointMode: { 7158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= 1; 7168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 7178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 7188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setStyle(SkPaint::kStroke_Style); 7198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t inc = (SkCanvas::kLines_PointMode == mode) ? 2 : 1; 720b3eb687f8a89eb1eacd1afb4016401eb392f66abjvanverth path.setIsVolatile(true); 7218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i += inc) { 7228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.moveTo(pts[i]); 7238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.lineTo(pts[i+1]); 724f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 72596fcdcc219d2a0d3579719b84b28bede76efba64halcanary fDevice->drawPath(*this, path, p, nullptr, true); 726f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 72796fcdcc219d2a0d3579719b84b28bede76efba64halcanary this->drawPath(path, p, nullptr, true); 728f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 7298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.rewind(); 7308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 7328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7371a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalitastatic inline SkPoint compute_stroke_size(const SkPaint& paint, const SkMatrix& matrix) { 7381a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkASSERT(matrix.rectStaysRect()); 7391a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkASSERT(SkPaint::kFill_Style != paint.getStyle()); 7401a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita 7411a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkVector size; 7421a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkPoint pt = { paint.getStrokeWidth(), paint.getStrokeWidth() }; 7431a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita matrix.mapVectors(&size, &pt, 1); 7441a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita return SkPoint::Make(SkScalarAbs(size.fX), SkScalarAbs(size.fY)); 7451a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita} 7461a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita 747761fb62b0eb174783316d2a8b933fba896ca6355reed@google.comstatic bool easy_rect_join(const SkPaint& paint, const SkMatrix& matrix, 748761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint* strokeSize) { 749761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com if (SkPaint::kMiter_Join != paint.getStrokeJoin() || 750761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com paint.getStrokeMiter() < SK_ScalarSqrt2) { 751761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return false; 752761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com } 753fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7541a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita *strokeSize = compute_stroke_size(paint, matrix); 755761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return true; 7567ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org} 7577ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 75862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comSkDraw::RectType SkDraw::ComputeRectType(const SkPaint& paint, 75962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const SkMatrix& matrix, 76062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint* strokeSize) { 7617ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org RectType rtype; 7627ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org const SkScalar width = paint.getStrokeWidth(); 76362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const bool zeroWidth = (0 == width); 7647ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::Style style = paint.getStyle(); 765fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7667ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if ((SkPaint::kStrokeAndFill_Style == style) && zeroWidth) { 7677ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org style = SkPaint::kFill_Style; 7687ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 769fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect() || paint.getMaskFilter() || 77162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com paint.getRasterizer() || !matrix.rectStaysRect() || 7727ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::kStrokeAndFill_Style == style) { 77362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com rtype = kPath_RectType; 77462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (SkPaint::kFill_Style == style) { 7757ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kFill_RectType; 7767ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else if (zeroWidth) { 7777ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kHair_RectType; 77862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (easy_rect_join(paint, matrix, strokeSize)) { 7797ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kStroke_RectType; 7807ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 7817ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kPath_RectType; 7827ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 78362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return rtype; 78462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com} 78562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 7867324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic const SkPoint* rect_points(const SkRect& r) { 787fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<const SkPoint*>(&r); 7887324415759fe0c5a0902877b664aa942a89bd940reed@google.com} 7897324415759fe0c5a0902877b664aa942a89bd940reed@google.com 7907324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic SkPoint* rect_points(SkRect& r) { 791fc2f0d0e6e6f72503ff9504296556dc637059c15reed@google.com return SkTCast<SkPoint*>(&r); 79240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com} 79340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com 7940393912de72bc3d8b3640c122c53470dd0da1e6dreedvoid SkDraw::drawRect(const SkRect& prePaintRect, const SkPaint& paint, 7950393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkMatrix* paintMatrix, const SkRect* postPaintRect) const { 79662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkDEBUGCODE(this->validate();) 7977ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 79862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com // nothing to draw 799045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 80062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return; 80162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } 80262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8030393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkMatrix* matrix; 8040393912de72bc3d8b3640c122c53470dd0da1e6dreed SkMatrix combinedMatrixStorage; 8050393912de72bc3d8b3640c122c53470dd0da1e6dreed if (paintMatrix) { 8060393912de72bc3d8b3640c122c53470dd0da1e6dreed SkASSERT(postPaintRect); 8070393912de72bc3d8b3640c122c53470dd0da1e6dreed combinedMatrixStorage.setConcat(*fMatrix, *paintMatrix); 8080393912de72bc3d8b3640c122c53470dd0da1e6dreed matrix = &combinedMatrixStorage; 8090393912de72bc3d8b3640c122c53470dd0da1e6dreed } else { 8100393912de72bc3d8b3640c122c53470dd0da1e6dreed SkASSERT(!postPaintRect); 8110393912de72bc3d8b3640c122c53470dd0da1e6dreed matrix = fMatrix; 8120393912de72bc3d8b3640c122c53470dd0da1e6dreed } 8130393912de72bc3d8b3640c122c53470dd0da1e6dreed 81462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint strokeSize; 81562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com RectType rtype = ComputeRectType(paint, *fMatrix, &strokeSize); 81662ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8177ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (kPath_RectType == rtype) { 8180393912de72bc3d8b3640c122c53470dd0da1e6dreed SkDraw draw(*this); 8190393912de72bc3d8b3640c122c53470dd0da1e6dreed if (paintMatrix) { 8200393912de72bc3d8b3640c122c53470dd0da1e6dreed draw.fMatrix = matrix; 8210393912de72bc3d8b3640c122c53470dd0da1e6dreed } 8228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmp; 8230393912de72bc3d8b3640c122c53470dd0da1e6dreed tmp.addRect(prePaintRect); 8248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.setFillType(SkPath::kWinding_FillType); 82596fcdcc219d2a0d3579719b84b28bede76efba64halcanary draw.drawPath(tmp, paint, nullptr, true); 8268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8290393912de72bc3d8b3640c122c53470dd0da1e6dreed SkRect devRect; 8301a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita const SkRect& paintRect = paintMatrix ? *postPaintRect : prePaintRect; 8311a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita // skip the paintMatrix when transforming the rect by the CTM 8321a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita fMatrix->mapPoints(rect_points(devRect), rect_points(paintRect), 2); 8337324415759fe0c5a0902877b664aa942a89bd940reed@google.com devRect.sort(); 8348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // look for the quick exit, before we build a blitter 8361a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkRect bbox = devRect; 8371c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.getStyle() != SkPaint::kFill_Style) { 8381c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // extra space for hairlines 839b3eba478d5bed5fb2b5f0f224738c8c292cebf36george if (paint.getStrokeWidth() == 0) { 8401a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita bbox.outset(1, 1); 841b3eba478d5bed5fb2b5f0f224738c8c292cebf36george } else { 8421a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita // For kStroke_RectType, strokeSize is already computed. 8431a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita const SkPoint& ssize = (kStroke_RectType == rtype) 8441a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita ? strokeSize 8451a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita : compute_stroke_size(paint, *fMatrix); 8461a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita bbox.outset(SkScalarHalf(ssize.x()), SkScalarHalf(ssize.y())); 847b3eba478d5bed5fb2b5f0f224738c8c292cebf36george } 8481c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8491a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita 8501a178ca6dd2ff7f62c684f7d0ee94e54fc31c91bfmalita SkIRect ir = bbox.roundOut(); 8511c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (fRC->quickReject(ir)) { 8521c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com return; 8538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 85541e010cb901c0da9066c4df562030808c9ccd7f8reed SkDeviceLooper looper(fDst, *fRC, ir, paint.isAntiAlias()); 8561c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com while (looper.next()) { 8571c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkRect localDevRect; 8581c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com looper.mapRect(&localDevRect, devRect); 8591c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkMatrix localMatrix; 8600393912de72bc3d8b3640c122c53470dd0da1e6dreed looper.mapMatrix(&localMatrix, *matrix); 8611c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 86241e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitterStorage(looper.getPixmap(), localMatrix, paint); 8631c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com const SkRasterClip& clip = looper.getRC(); 8641c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkBlitter* blitter = blitterStorage.get(); 8651c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com 8661c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // we want to "fill" if we are kFill or kStrokeAndFill, since in the latter 8671c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // case we are also hairline (if we've gotten to here), which devolves to 8681c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com // effectively just kFill 8691c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com switch (rtype) { 8701c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kFill_RectType: 8711c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8721c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFillRect(localDevRect, clip, blitter); 8731c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8741c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FillRect(localDevRect, clip, blitter); 8751c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8761c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8771c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kStroke_RectType: 8781c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8791c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiFrameRect(localDevRect, strokeSize, clip, blitter); 8801c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8811c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::FrameRect(localDevRect, strokeSize, clip, blitter); 8821c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8831c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8841c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com case kHair_RectType: 8851c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com if (paint.isAntiAlias()) { 8861c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::AntiHairRect(localDevRect, clip, blitter); 8871c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } else { 8881c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkScan::HairRect(localDevRect, clip, blitter); 8891c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8901c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com break; 8911c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com default: 8921c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com SkDEBUGFAIL("bad rtype"); 8931c028bd395dc52ca12b99f85f0c297d15a288c2dreed@google.com } 8948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 8968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const { 8988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (srcM.fBounds.isEmpty()) { 8998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9020a60b3d32eae945688b69599f11679662657f751bungeman@google.com const SkMask* mask = &srcM; 9038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9040a60b3d32eae945688b69599f11679662657f751bungeman@google.com SkMask dstM; 9058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getMaskFilter() && 906e80eb928ba0248a5a5dea6e1f0005aa08ecf8740robertphillips paint.getMaskFilter()->filterMask(&dstM, srcM, *fMatrix, nullptr)) { 9078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask = &dstM; 9088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 90902f55841854ae32f21a13417e9ee711463e488cfbungeman@google.com SkAutoMaskFreeImage ami(dstM.fImage); 9108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 91141e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint); 912045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = blitterChooser.get(); 913045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 914045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 915045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRegion* clipRgn; 9168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 917045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 918045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &fRC->bwRgn(); 919045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 920045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 921045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &wrapper.getRgn(); 922045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 923045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 924045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter->blitMaskRegion(*mask, *clipRgn); 9258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 927ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.comstatic SkScalar fast_len(const SkVector& vec) { 928ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar x = SkScalarAbs(vec.fX); 929ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar y = SkScalarAbs(vec.fY); 930ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com if (x < y) { 931ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkTSwap(x, y); 932ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 933ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return x + SkScalarHalf(y); 934ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 935ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 936e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.orgbool SkDrawTreatAAStrokeAsHairline(SkScalar strokeWidth, const SkMatrix& matrix, 937e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkScalar* coverage) { 938e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org SkASSERT(strokeWidth > 0); 939e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org // We need to try to fake a thick-stroke with a modulated hairline. 940ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 9418d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com if (matrix.hasPerspective()) { 942ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 943ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 944ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 945ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkVector src[2], dst[2]; 946ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[0].set(strokeWidth, 0); 947ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[1].set(0, strokeWidth); 948ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com matrix.mapVectors(dst, src, 2); 949ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len0 = fast_len(dst[0]); 950ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len1 = fast_len(dst[1]); 951652807bbc8c57e5fa9622126b51fd369f5c67935agl@chromium.org if (len0 <= SK_Scalar1 && len1 <= SK_Scalar1) { 95249f085dddff10473b6ebf832a974288300224e60bsalomon if (coverage) { 953e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org *coverage = SkScalarAve(len0, len1); 954e0a868c84ebc34c5a16b5faa1546016abb9ca0accommit-bot@chromium.org } 955ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return true; 956ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 957ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 958ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 959ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 960a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comvoid SkDraw::drawRRect(const SkRRect& rrect, const SkPaint& paint) const { 961a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkDEBUGCODE(this->validate()); 962a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 963a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (fRC->isEmpty()) { 964a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; 965a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 966a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 967a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com { 968a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // TODO: Investigate optimizing these options. They are in the same 969a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // order as SkDraw::drawPath, which handles each case. It may be 970a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // that there is no way to optimize for these using the SkRRect path. 971a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkScalar coverage; 972a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (SkDrawTreatAsHairline(paint, *fMatrix, &coverage)) { 973a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 974a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 975a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 976a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getPathEffect() || paint.getStyle() != SkPaint::kFill_Style) { 977a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 978a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 979a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 980a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getRasterizer()) { 981a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com goto DRAW_PATH; 982a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 983a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 984a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 985a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (paint.getMaskFilter()) { 986a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Transform the rrect into device space. 987a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkRRect devRRect; 988a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com if (rrect.transform(*fMatrix, &devRRect)) { 98941e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, paint); 990055e192adc0072ae2548ef5431ceee652945f9c2bsalomon if (paint.getMaskFilter()->filterRRect(devRRect, *fMatrix, *fRC, blitter.get())) { 991a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com return; // filterRRect() called the blitter, so we're done 992a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 993a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 994a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com } 995a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 996a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.comDRAW_PATH: 997a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com // Now fall back to the default case of using a path. 998a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com SkPath path; 999a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com path.addRRect(rrect); 100096fcdcc219d2a0d3579719b84b28bede76efba64halcanary this->drawPath(path, paint, nullptr, true); 1001a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com} 1002a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com 10031a7eb266644d2e1b0968dbca606ca0a91903419dcaryclarkSkScalar SkDraw::ComputeResScaleForStroking(const SkMatrix& matrix) { 100405d9044de4f1c6e791df66a425638752daac4c6breed if (!matrix.hasPerspective()) { 100505d9044de4f1c6e791df66a425638752daac4c6breed SkScalar sx = SkPoint::Length(matrix[SkMatrix::kMScaleX], matrix[SkMatrix::kMSkewY]); 100605d9044de4f1c6e791df66a425638752daac4c6breed SkScalar sy = SkPoint::Length(matrix[SkMatrix::kMSkewX], matrix[SkMatrix::kMScaleY]); 100705d9044de4f1c6e791df66a425638752daac4c6breed if (SkScalarsAreFinite(sx, sy)) { 1008a4b8704e76cb2136a3ff8c1553690f30b96870e0lsalzman SkScalar scale = SkTMax(sx, sy); 1009a4b8704e76cb2136a3ff8c1553690f30b96870e0lsalzman if (scale > 0) { 1010a4b8704e76cb2136a3ff8c1553690f30b96870e0lsalzman return scale; 1011a4b8704e76cb2136a3ff8c1553690f30b96870e0lsalzman } 101205d9044de4f1c6e791df66a425638752daac4c6breed } 101305d9044de4f1c6e791df66a425638752daac4c6breed } 101405d9044de4f1c6e791df66a425638752daac4c6breed return 1; 101505d9044de4f1c6e791df66a425638752daac4c6breed} 101605d9044de4f1c6e791df66a425638752daac4c6breed 101782595b6fa4733e1525f357bdcac22db058790550reedvoid SkDraw::drawDevPath(const SkPath& devPath, const SkPaint& paint, bool drawCoverage, 101882595b6fa4733e1525f357bdcac22db058790550reed SkBlitter* customBlitter, bool doFill) const { 101901a2ff8a325e17221b139968e337413df0c2e60creed // Do a conservative quick-reject test, since a looper or other modifier may have moved us 102001a2ff8a325e17221b139968e337413df0c2e60creed // out of range. 102101a2ff8a325e17221b139968e337413df0c2e60creed if (!devPath.isInverseFillType()) { 102201a2ff8a325e17221b139968e337413df0c2e60creed // If we're a H or V line, our bounds will be empty. So we bloat here just so we don't 102301a2ff8a325e17221b139968e337413df0c2e60creed // appear empty to the intersects call. This also gives us slop in case we're antialiasing 102401a2ff8a325e17221b139968e337413df0c2e60creed SkRect pathBounds = devPath.getBounds().makeOutset(1, 1); 102501a2ff8a325e17221b139968e337413df0c2e60creed 102601a2ff8a325e17221b139968e337413df0c2e60creed if (paint.getMaskFilter()) { 102701a2ff8a325e17221b139968e337413df0c2e60creed paint.getMaskFilter()->computeFastBounds(pathBounds, &pathBounds); 102801a2ff8a325e17221b139968e337413df0c2e60creed 102901a2ff8a325e17221b139968e337413df0c2e60creed // Need to outset the path to work-around a bug in blurmaskfilter. When that is fixed 103001a2ff8a325e17221b139968e337413df0c2e60creed // we can remove this hack. See skbug.com/5542 103101a2ff8a325e17221b139968e337413df0c2e60creed pathBounds.outset(7, 7); 103201a2ff8a325e17221b139968e337413df0c2e60creed } 103301a2ff8a325e17221b139968e337413df0c2e60creed 103401a2ff8a325e17221b139968e337413df0c2e60creed // Now compare against the clip's bounds 103501a2ff8a325e17221b139968e337413df0c2e60creed if (!SkRect::Make(fRC->getBounds()).intersects(pathBounds)) { 103601a2ff8a325e17221b139968e337413df0c2e60creed return; 103701a2ff8a325e17221b139968e337413df0c2e60creed } 103801a2ff8a325e17221b139968e337413df0c2e60creed } 103901a2ff8a325e17221b139968e337413df0c2e60creed 104082595b6fa4733e1525f357bdcac22db058790550reed SkBlitter* blitter = nullptr; 104182595b6fa4733e1525f357bdcac22db058790550reed SkAutoBlitterChoose blitterStorage; 104282595b6fa4733e1525f357bdcac22db058790550reed if (nullptr == customBlitter) { 104382595b6fa4733e1525f357bdcac22db058790550reed blitterStorage.choose(fDst, *fMatrix, paint, drawCoverage); 104482595b6fa4733e1525f357bdcac22db058790550reed blitter = blitterStorage.get(); 104582595b6fa4733e1525f357bdcac22db058790550reed } else { 104682595b6fa4733e1525f357bdcac22db058790550reed blitter = customBlitter; 104782595b6fa4733e1525f357bdcac22db058790550reed } 104882595b6fa4733e1525f357bdcac22db058790550reed 104982595b6fa4733e1525f357bdcac22db058790550reed if (paint.getMaskFilter()) { 105082595b6fa4733e1525f357bdcac22db058790550reed SkStrokeRec::InitStyle style = doFill ? SkStrokeRec::kFill_InitStyle 105182595b6fa4733e1525f357bdcac22db058790550reed : SkStrokeRec::kHairline_InitStyle; 105282595b6fa4733e1525f357bdcac22db058790550reed if (paint.getMaskFilter()->filterPath(devPath, *fMatrix, *fRC, blitter, style)) { 105382595b6fa4733e1525f357bdcac22db058790550reed return; // filterPath() called the blitter, so we're done 105482595b6fa4733e1525f357bdcac22db058790550reed } 105582595b6fa4733e1525f357bdcac22db058790550reed } 105682595b6fa4733e1525f357bdcac22db058790550reed 105782595b6fa4733e1525f357bdcac22db058790550reed void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); 105882595b6fa4733e1525f357bdcac22db058790550reed if (doFill) { 105982595b6fa4733e1525f357bdcac22db058790550reed if (paint.isAntiAlias()) { 106082595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::AntiFillPath; 106182595b6fa4733e1525f357bdcac22db058790550reed } else { 106282595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::FillPath; 106382595b6fa4733e1525f357bdcac22db058790550reed } 106482595b6fa4733e1525f357bdcac22db058790550reed } else { // hairline 106582595b6fa4733e1525f357bdcac22db058790550reed if (paint.isAntiAlias()) { 106682595b6fa4733e1525f357bdcac22db058790550reed switch (paint.getStrokeCap()) { 106782595b6fa4733e1525f357bdcac22db058790550reed case SkPaint::kButt_Cap: 106882595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::AntiHairPath; 106982595b6fa4733e1525f357bdcac22db058790550reed break; 107082595b6fa4733e1525f357bdcac22db058790550reed case SkPaint::kSquare_Cap: 107182595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::AntiHairSquarePath; 107282595b6fa4733e1525f357bdcac22db058790550reed break; 107382595b6fa4733e1525f357bdcac22db058790550reed case SkPaint::kRound_Cap: 107482595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::AntiHairRoundPath; 107582595b6fa4733e1525f357bdcac22db058790550reed break; 107682595b6fa4733e1525f357bdcac22db058790550reed default: 107782595b6fa4733e1525f357bdcac22db058790550reed proc SK_INIT_TO_AVOID_WARNING; 107882595b6fa4733e1525f357bdcac22db058790550reed SkDEBUGFAIL("unknown paint cap type"); 107982595b6fa4733e1525f357bdcac22db058790550reed } 108082595b6fa4733e1525f357bdcac22db058790550reed } else { 108182595b6fa4733e1525f357bdcac22db058790550reed switch (paint.getStrokeCap()) { 108282595b6fa4733e1525f357bdcac22db058790550reed case SkPaint::kButt_Cap: 108382595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::HairPath; 108482595b6fa4733e1525f357bdcac22db058790550reed break; 108582595b6fa4733e1525f357bdcac22db058790550reed case SkPaint::kSquare_Cap: 108682595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::HairSquarePath; 108782595b6fa4733e1525f357bdcac22db058790550reed break; 108882595b6fa4733e1525f357bdcac22db058790550reed case SkPaint::kRound_Cap: 108982595b6fa4733e1525f357bdcac22db058790550reed proc = SkScan::HairRoundPath; 109082595b6fa4733e1525f357bdcac22db058790550reed break; 109182595b6fa4733e1525f357bdcac22db058790550reed default: 109282595b6fa4733e1525f357bdcac22db058790550reed proc SK_INIT_TO_AVOID_WARNING; 109382595b6fa4733e1525f357bdcac22db058790550reed SkDEBUGFAIL("unknown paint cap type"); 109482595b6fa4733e1525f357bdcac22db058790550reed } 109582595b6fa4733e1525f357bdcac22db058790550reed } 109682595b6fa4733e1525f357bdcac22db058790550reed } 109782595b6fa4733e1525f357bdcac22db058790550reed proc(devPath, *fRC, blitter); 109882595b6fa4733e1525f357bdcac22db058790550reed} 109982595b6fa4733e1525f357bdcac22db058790550reed 110032e5d97ccf60f859db063ebd6e903c362e625767reed@google.comvoid SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint, 1101126f7f5244502c0cbf1e5fec1d2ad7a0f2eb6c34reed@google.com const SkMatrix* prePathMatrix, bool pathIsMutable, 110253f0959fc024c56dc55fe6bf86380127b59abec9krajcevski bool drawCoverage, SkBlitter* customBlitter) const { 1103f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 11048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1106045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 11078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* pathPtr = (SkPath*)&origSrcPath; 11118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool doFill = true; 11128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmpPath; 11138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix tmpMatrix; 11148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 1115b3eb687f8a89eb1eacd1afb4016401eb392f66abjvanverth tmpPath.setIsVolatile(true); 11168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (prePathMatrix) { 111832e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (origPaint.getPathEffect() || origPaint.getStyle() != SkPaint::kFill_Style || 111932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com origPaint.getRasterizer()) { 11208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* result = pathPtr; 1121a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!pathIsMutable) { 11238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com result = &tmpPath; 11248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathIsMutable = true; 11258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*prePathMatrix, result); 11278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = result; 11288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 112992362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org tmpMatrix.setConcat(*matrix, *prePathMatrix); 11308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix = &tmpMatrix; 11318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // at this point we're done with prePathMatrix 11348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) 1135a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11365dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1137a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1138ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com { 1139dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar coverage; 1140dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SkDrawTreatAsHairline(origPaint, *matrix, &coverage)) { 1141dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SK_Scalar1 == coverage) { 11425dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com paint.writable()->setStrokeWidth(0); 1143374772bd61951f01bf84fe17bf53d8867681c9aereed } else if (SkBlendMode_SupportsCoverageAsAlpha(origPaint.getBlendMode())) { 1144dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com U8CPU newAlpha; 1145dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#if 0 1146dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = SkToU8(SkScalarRoundToInt(coverage * 1147dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com origPaint.getAlpha())); 1148dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#else 1149dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // this is the old technique, which we preserve for now so 1150dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // we don't change previous results (testing) 1151dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // the new way seems fine, its just (a tiny bit) different 1152dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com int scale = (int)SkScalarMul(coverage, 256); 1153dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = origPaint.getAlpha() * scale >> 8; 1154dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#endif 11555dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkPaint* writablePaint = paint.writable(); 11565dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setStrokeWidth(0); 11575dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setAlpha(newAlpha); 1158dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } 11598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1161a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 116232e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { 11634bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect; 116496fcdcc219d2a0d3579719b84b28bede76efba64halcanary const SkRect* cullRectPtr = nullptr; 11654bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (this->computeConservativeLocalClipBounds(&cullRect)) { 11664bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com cullRectPtr = &cullRect; 11674bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 116805d9044de4f1c6e791df66a425638752daac4c6breed doFill = paint->getFillPath(*pathPtr, &tmpPath, cullRectPtr, 11691a7eb266644d2e1b0968dbca606ca0a91903419dcaryclark ComputeResScaleForStroking(*fMatrix)); 11708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = &tmpPath; 11718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1172a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 117332e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()) { 11748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 117532e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()->rasterize(*pathPtr, *matrix, 1176045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com &fRC->getBounds(), paint->getMaskFilter(), &mask, 11778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::kComputeBoundsAndRenderImage_CreateMode)) { 117832e5d97ccf60f859db063ebd6e903c362e625767reed@google.com this->drawDevMask(mask, *paint); 11798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::FreeImage(mask.fImage); 11808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // avoid possibly allocating a new path in transform if we can 11858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; 11868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform the path into device space 11888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*matrix, devPathPtr); 11898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 119082595b6fa4733e1525f357bdcac22db058790550reed this->drawDevPath(*devPathPtr, *paint, drawCoverage, customBlitter, doFill); 11918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 119382595b6fa4733e1525f357bdcac22db058790550reedvoid SkDraw::drawBitmapAsMask(const SkBitmap& bitmap, const SkPaint& paint) const { 1194900ecf2f1579d42c9d2959831787af0346320f86reed@google.com SkASSERT(bitmap.colorType() == kAlpha_8_SkColorType); 11958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1196c7e211acd0c9201688de7ff0c9a2271c67440adffmalita if (SkTreatAsSprite(*fMatrix, bitmap.dimensions(), paint)) { 1197e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(fMatrix->getTranslateX()); 1198e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(fMatrix->getTranslateY()); 11998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 120092fc2ae58331662ec411a048686cb4801e0a909areed SkAutoPixmapUnlock result; 120192fc2ae58331662ec411a048686cb4801e0a909areed if (!bitmap.requestLock(&result)) { 1202a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com return; 1203a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com } 120492fc2ae58331662ec411a048686cb4801e0a909areed const SkPixmap& pmap = result.pixmap(); 12058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 120692fc2ae58331662ec411a048686cb4801e0a909areed mask.fBounds.set(ix, iy, ix + pmap.width(), iy + pmap.height()); 12078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 120892fc2ae58331662ec411a048686cb4801e0a909areed mask.fRowBytes = SkToU32(pmap.rowBytes()); 120992fc2ae58331662ec411a048686cb4801e0a909areed // fImage is typed as writable, but in this case it is used read-only 121092fc2ae58331662ec411a048686cb4801e0a909areed mask.fImage = (uint8_t*)pmap.addr8(0, 0); 1211a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 12138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // need to xform the bitmap first 12148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1216a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, 12188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); 12198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapRect(&r); 12208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.round(&mask.fBounds); 1221a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // set the mask's bounds to the transformed bitmap-bounds, 12238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // clipped to the actual device 12248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 12258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devBounds; 122641e010cb901c0da9066c4df562030808c9ccd7f8reed devBounds.set(0, 0, fDst.width(), fDst.height()); 12278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need intersect(l, t, r, b) on irect 12288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!mask.fBounds.intersect(devBounds)) { 12298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1232543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com 12338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 12348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = SkAlign4(mask.fBounds.width()); 1235543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask.computeImageSize(); 1236543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 1237543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // the mask is too big to allocated, draw nothing 1238543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return; 1239543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 12408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // allocate (and clear) our temp buffer to hold the transformed bitmap 1242565901db954c231840750ea955ed31b820b9ade8scroggo SkAutoTMalloc<uint8_t> storage(size); 1243565901db954c231840750ea955ed31b820b9ade8scroggo mask.fImage = storage.get(); 12448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask.fImage, 0, size); 1245a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now draw our bitmap(src) into mask(dst), transformed by the matrix 12478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 12488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap device; 1249a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org device.installPixels(SkImageInfo::MakeA8(mask.fBounds.width(), mask.fBounds.height()), 1250a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org mask.fImage, mask.fRowBytes); 1251a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas c(device); 12538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need the unclipped top/left for the translate 12548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.translate(-SkIntToScalar(mask.fBounds.fLeft), 12558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 12568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.concat(*fMatrix); 12573469c76c40790b409621fd7eff34f56240718549reed@android.com 12583469c76c40790b409621fd7eff34f56240718549reed@android.com // We can't call drawBitmap, or we'll infinitely recurse. Instead 1259fb12c3e6ba84f95dc15fbaddc239dede0ba1d60ereed@android.com // we manually build a shader and draw that into our new mask 12603469c76c40790b409621fd7eff34f56240718549reed@android.com SkPaint tmpPaint; 12613469c76c40790b409621fd7eff34f56240718549reed@android.com tmpPaint.setFlags(paint.getFlags()); 126266a96d07d5583cc018cb70127bd5483799b69d0ebrianosman tmpPaint.setFilterQuality(paint.getFilterQuality()); 126340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, tmpPaint); 12643469c76c40790b409621fd7eff34f56240718549reed@android.com SkRect rr; 12653469c76c40790b409621fd7eff34f56240718549reed@android.com rr.set(0, 0, SkIntToScalar(bitmap.width()), 12663469c76c40790b409621fd7eff34f56240718549reed@android.com SkIntToScalar(bitmap.height())); 126740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com c.drawRect(rr, install.paintWithShader()); 12688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 12708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& m, const SkRasterClip& c, 12748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRect& srcR) { 12758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect dstR; 12768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.mapRect(&dstR, srcR); 1277b07a94f1cba3976596ae1a7f23d8c2043ba353f3reed return c.quickReject(dstR.roundOut()); 12788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1280045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& matrix, const SkRasterClip& clip, 12818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int width, int height) { 12828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height)); 12848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return clipped_out(matrix, clip, r); 12858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1287c240e719b2bebd3711ade4e6fe056921aa7b0521reedstatic bool clipHandlesSprite(const SkRasterClip& clip, int x, int y, const SkPixmap& pmap) { 1288c240e719b2bebd3711ade4e6fe056921aa7b0521reed return clip.isBW() || clip.quickContains(x, y, x + pmap.width(), y + pmap.height()); 1289045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1290045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 12918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix, 12920393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkRect* dstBounds, const SkPaint& origPaint) const { 1293f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 12948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1296045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1298900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 12998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1301a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1302f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1303f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita if (origPaint.getStyle() != SkPaint::kFill_Style) { 1304f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita paint.writable()->setStyle(SkPaint::kFill_Style); 1305f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita } 1306a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 130892362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org matrix.setConcat(*fMatrix, prematrix); 13098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipped_out(matrix, *fRC, bitmap.width(), bitmap.height())) { 13118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1314c7e211acd0c9201688de7ff0c9a2271c67440adffmalita if (bitmap.colorType() != kAlpha_8_SkColorType 1315f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita && SkTreatAsSprite(matrix, bitmap.dimensions(), *paint)) { 1316f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1317f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // It is safe to call lock pixels now, since we know the matrix is 1318f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // (more or less) identity. 1319f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1320c240e719b2bebd3711ade4e6fe056921aa7b0521reed SkAutoPixmapUnlock unlocker; 1321c240e719b2bebd3711ade4e6fe056921aa7b0521reed if (!bitmap.requestLock(&unlocker)) { 1322f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com return; 1323f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com } 1324c240e719b2bebd3711ade4e6fe056921aa7b0521reed const SkPixmap& pmap = unlocker.pixmap(); 1325e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int ix = SkScalarRoundToInt(matrix.getTranslateX()); 1326e1ca705cac4b946993f6cbf798e2a0ba27e739f3reed@google.com int iy = SkScalarRoundToInt(matrix.getTranslateY()); 1327c240e719b2bebd3711ade4e6fe056921aa7b0521reed if (clipHandlesSprite(*fRC, ix, iy, pmap)) { 1328a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1329a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 1330f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita SkBlitter* blitter = SkBlitter::ChooseSprite(fDst, *paint, pmap, ix, iy, &allocator); 1331045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (blitter) { 1332c240e719b2bebd3711ade4e6fe056921aa7b0521reed SkScan::FillIRect(SkIRect::MakeXYWH(ix, iy, pmap.width(), pmap.height()), 1333c240e719b2bebd3711ade4e6fe056921aa7b0521reed *fRC, blitter); 1334045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 13358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1336c240e719b2bebd3711ade4e6fe056921aa7b0521reed // if !blitter, then we fall-through to the slower case 13378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1339a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now make a temp draw on the stack, and use it 13418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // 13428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 1344a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1345900ecf2f1579d42c9d2959831787af0346320f86reed@google.com if (bitmap.colorType() == kAlpha_8_SkColorType) { 1346f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita draw.drawBitmapAsMask(bitmap, *paint); 13478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1348f85d2a4fa1b71e6ee28518431e2a34df5683bc81fmalita SkAutoBitmapShaderInstall install(bitmap, *paint); 13490393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkPaint& paintWithShader = install.paintWithShader(); 13500393912de72bc3d8b3640c122c53470dd0da1e6dreed const SkRect srcBounds = SkRect::MakeIWH(bitmap.width(), bitmap.height()); 13510393912de72bc3d8b3640c122c53470dd0da1e6dreed if (dstBounds) { 13520393912de72bc3d8b3640c122c53470dd0da1e6dreed this->drawRect(srcBounds, paintWithShader, &prematrix, dstBounds); 13530393912de72bc3d8b3640c122c53470dd0da1e6dreed } else { 13540393912de72bc3d8b3640c122c53470dd0da1e6dreed draw.drawRect(srcBounds, paintWithShader); 13550393912de72bc3d8b3640c122c53470dd0da1e6dreed } 13568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1359c240e719b2bebd3711ade4e6fe056921aa7b0521reedvoid SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, const SkPaint& origPaint) const { 1360f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 1361a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1363045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 13648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1365900ecf2f1579d42c9d2959831787af0346320f86reed@google.com bitmap.colorType() == kUnknown_SkColorType) { 13668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1369c240e719b2bebd3711ade4e6fe056921aa7b0521reed const SkIRect bounds = SkIRect::MakeXYWH(x, y, bitmap.width(), bitmap.height()); 13708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1371045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(bounds)) { 13728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; // nothing to draw 13738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 137540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 137640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 13778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1378c240e719b2bebd3711ade4e6fe056921aa7b0521reed SkAutoPixmapUnlock unlocker; 1379c240e719b2bebd3711ade4e6fe056921aa7b0521reed if (!bitmap.requestLock(&unlocker)) { 1380c240e719b2bebd3711ade4e6fe056921aa7b0521reed return; 1381c240e719b2bebd3711ade4e6fe056921aa7b0521reed } 1382c240e719b2bebd3711ade4e6fe056921aa7b0521reed const SkPixmap& pmap = unlocker.pixmap(); 1383c240e719b2bebd3711ade4e6fe056921aa7b0521reed 138496fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, pmap)) { 1385a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org SkTBlitterAllocator allocator; 1386a5572e5bb2a2bbeeb59de0741c2527869d365a0ccommit-bot@chromium.org // blitter will be owned by the allocator. 138741e010cb901c0da9066c4df562030808c9ccd7f8reed SkBlitter* blitter = SkBlitter::ChooseSprite(fDst, paint, pmap, x, y, &allocator); 13888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (blitter) { 1389045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(bounds, *fRC, blitter); 13908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // get a scalar version of our rect 13988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(bounds); 13998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14009c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org // create shader with offset 14018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(r.fLeft, r.fTop); 14029c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkAutoBitmapShaderInstall install(bitmap, paint, &matrix); 14039c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org const SkPaint& shaderPaint = install.paintWithShader(); 1404a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 14058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 14068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.reset(); 14078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 14088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // call ourself with a rect 1409a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this OK if paint has a rasterizer? 141040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, shaderPaint); 14118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 14148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScalerContext.h" 14168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGlyphCache.h" 1417e69137620ab0b5b40d230318c8e11b822f63cb9dreed@google.com#include "SkTextToPathIter.h" 14188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 14198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14208128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.orgbool SkDraw::ShouldDrawTextAsPaths(const SkPaint& paint, const SkMatrix& ctm) { 14218128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // hairline glyphs are fast enough so we don't need to cache them 14228128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (SkPaint::kStroke_Style == paint.getStyle() && 0 == paint.getStrokeWidth()) { 14238128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 14248128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 14258128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14268128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org // we don't cache perspective 14278128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org if (ctm.hasPerspective()) { 14288128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return true; 14298128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org } 14308128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14318128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org SkMatrix textM; 14328128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org return SkPaint::TooBigToUseCache(ctm, *paint.setTextMatrix(&textM)); 14338128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org} 14348128d8c119382279918b90ad8d80ccb3aaebb8a0commit-bot@chromium.org 14358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText_asPaths(const char text[], size_t byteLength, 14368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, 14378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1438f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 14398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1440166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 14418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 14438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setScale(iter.getPathScale(), iter.getPathScale()); 14448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(x, y); 14458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 14478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos, prevXPos = 0; 14488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14497b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 14508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(xpos - prevXPos, 0); 14517b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 14527b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com const SkPaint& pnt = iter.getPaint(); 14537b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 14547b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, *iterPath, pnt, &matrix, false); 14557b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 14567b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(*iterPath, pnt, &matrix, false); 14577b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1458f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 14598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com prevXPos = xpos; 14608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// disable warning : local variable used without having been initialized 1464d7dc76f7e99309cbd09a5420c22e55b951067debbungeman#if defined _WIN32 14658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( push ) 14668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( disable : 4701 ) 14678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 14688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1469f553e4e09cd2baf15fc041daab8a08bd46e352f0herb//////////////////////////////////////////////////////////////////////////////////////////////////// 14702e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1471d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbclass DrawOneGlyph { 1472d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbpublic: 1473d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb DrawOneGlyph(const SkDraw& draw, const SkPaint& paint, SkGlyphCache* cache, SkBlitter* blitter) 1474d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb : fUseRegionToDraw(UsingRegionToDraw(draw.fRC)) 1475d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fGlyphCache(cache) 1476d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fBlitter(blitter) 1477d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fClip(fUseRegionToDraw ? &draw.fRC->bwRgn() : nullptr) 1478d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fDraw(draw) 1479d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fPaint(paint) 1480d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb , fClipBounds(PickClipBounds(draw)) { } 1481d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 1482d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb void operator()(const SkGlyph& glyph, SkPoint position, SkPoint rounding) { 1483d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb position += rounding; 1484d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb // Prevent glyphs from being drawn outside of or straddling the edge of device space. 1485875e13ca0990e32da9db639743a913efe77f7e89mtklein // Comparisons written a little weirdly so that NaN coordinates are treated safely. 1486875e13ca0990e32da9db639743a913efe77f7e89mtklein auto gt = [](float a, int b) { return !(a <= (float)b); }; 1487875e13ca0990e32da9db639743a913efe77f7e89mtklein auto lt = [](float a, int b) { return !(a >= (float)b); }; 1488875e13ca0990e32da9db639743a913efe77f7e89mtklein if (gt(position.fX, INT_MAX - (INT16_MAX + UINT16_MAX)) || 1489875e13ca0990e32da9db639743a913efe77f7e89mtklein lt(position.fX, INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/)) || 1490875e13ca0990e32da9db639743a913efe77f7e89mtklein gt(position.fY, INT_MAX - (INT16_MAX + UINT16_MAX)) || 1491875e13ca0990e32da9db639743a913efe77f7e89mtklein lt(position.fY, INT_MIN - (INT16_MIN + 0 /*UINT16_MIN*/))) { 1492d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return; 1493d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1494d095f2bf06ca810844233bea9fb06de585643b32bungeman 149577a9cc1dead147fc547895d3725d9ee2150cda73benjaminwagner int left = SkScalarFloorToInt(position.fX); 149677a9cc1dead147fc547895d3725d9ee2150cda73benjaminwagner int top = SkScalarFloorToInt(position.fY); 1497d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 14988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1499d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb left += glyph.fLeft; 1500d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb top += glyph.fTop; 15018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1502d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb int right = left + glyph.fWidth; 1503d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb int bottom = top + glyph.fHeight; 15048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1505d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkMask mask; 1506d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask.fBounds.set(left, top, right, bottom); 1507875e13ca0990e32da9db639743a913efe77f7e89mtklein SkASSERT(!mask.fBounds.isEmpty()); 150883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 1509d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (fUseRegionToDraw) { 1510d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkRegion::Cliperator clipper(*fClip, mask.fBounds); 151183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 1512d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (!clipper.done() && this->getImageData(glyph, &mask)) { 1513d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkIRect& cr = clipper.rect(); 1514d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb do { 1515d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb this->blitMask(mask, cr); 1516d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb clipper.next(); 1517d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } while (!clipper.done()); 1518d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1519d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } else { 1520d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkIRect storage; 1521d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkIRect* bounds = &mask.fBounds; 1522d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 1523d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb // this extra test is worth it, assuming that most of the time it succeeds 1524d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb // since we can avoid writing to storage 1525d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (!fClipBounds.containsNoEmptyCheck(mask.fBounds)) { 1526d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (!storage.intersectNoEmptyCheck(mask.fBounds, fClipBounds)) 1527d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return; 1528d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb bounds = &storage; 1529d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 153083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 1531d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (this->getImageData(glyph, &mask)) { 1532d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb this->blitMask(mask, *bounds); 1533d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1534cd7f03597475ea423aa819bdae03996b26874dd5herb } 153583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1537d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herbprivate: 1538d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb static bool UsingRegionToDraw(const SkRasterClip* rClip) { 1539d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return rClip->isBW() && !rClip->isRect(); 1540d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 15412e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1542d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb static SkIRect PickClipBounds(const SkDraw& draw) { 1543d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkRasterClip& rasterClip = *draw.fRC; 15442e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1545d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (rasterClip.isBW()) { 1546d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return rasterClip.bwRgn().getBounds(); 1547d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } else { 1548d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return rasterClip.aaRgn().getBounds(); 1549001e74426672e00f3f2783ccf728031662d4a358herb } 15509447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 1551001e74426672e00f3f2783ccf728031662d4a358herb 1552d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb bool getImageData(const SkGlyph& glyph, SkMask* mask) { 1553d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb uint8_t* bits = (uint8_t*)(fGlyphCache->findImage(glyph)); 1554d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (nullptr == bits) { 1555d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return false; // can't rasterize glyph 1556d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb } 1557d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask->fImage = bits; 1558d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask->fRowBytes = glyph.rowBytes(); 1559d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb mask->fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 1560d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb return true; 15612e8fec79658baef06f4a9fca5e91a4e116b47b3dherb } 15622e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1563d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb void blitMask(const SkMask& mask, const SkIRect& clip) const { 1564d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb if (SkMask::kARGB32_Format == mask.fFormat) { 1565d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkBitmap bm; 1566d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb bm.installPixels( 1567d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkImageInfo::MakeN32Premul(mask.fBounds.width(), mask.fBounds.height()), 1568d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb (SkPMColor*)mask.fImage, mask.fRowBytes); 1569d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 1570d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb fDraw.drawSprite(bm, mask.fBounds.x(), mask.fBounds.y(), fPaint); 1571045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1572d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb fBlitter->blitMask(mask, clip); 1573045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 15748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 15755bdfb331ac650cf464baa96a49e2473ee10a515creed@google.com 1576d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const bool fUseRegionToDraw; 1577d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkGlyphCache * const fGlyphCache; 1578d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkBlitter * const fBlitter; 1579d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkRegion* const fClip; 1580d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkDraw& fDraw; 1581d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkPaint& fPaint; 1582d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb const SkIRect fClipBounds; 1583d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb}; 15842e8fec79658baef06f4a9fca5e91a4e116b47b3dherb 1585d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb//////////////////////////////////////////////////////////////////////////////////////////////////// 15868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1587a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosmanuint32_t SkDraw::scalerContextFlags() const { 1588a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman uint32_t flags = SkPaint::kBoostContrast_ScalerContextFlag; 15899ac6d8d9f16f8e1e523f677da4de5ebc9a2d8089brianosman if (!SkImageInfoIsGammaCorrect(fDevice->imageInfo())) { 1590a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman flags |= SkPaint::kFakeGamma_ScalerContextFlag; 1591a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman } 1592a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman return flags; 1593f6d1e605317917146362706ed460b5ed6624fcc5bungeman} 1594f6d1e605317917146362706ed460b5ed6624fcc5bungeman 15958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText(const char text[], size_t byteLength, 15968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint) const { 159796fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(byteLength == 0 || text != nullptr); 15988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1599f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 16008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 160296fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (text == nullptr || byteLength == 0 || fRC->isEmpty()) { 16038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 160636d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // SkScalarRec doesn't currently have a way of representing hairline stroke and 160736d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // will fill if its frame-width is 0. 1608ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 16098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawText_asPaths(text, byteLength, x, y, paint); 16108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1613a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman SkAutoGlyphCache cache(paint, &fDevice->surfaceProps(), this->scalerContextFlags(), fMatrix); 161411a7f7f5998cb3d5605741e37a7f12f7477d480cherb 161511a7f7f5998cb3d5605741e37a7f12f7477d480cherb // The Blitter Choose needs to be live while using the blitter below. 161611a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint); 161711a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAAClipBlitterWrapper wrapper(*fRC, blitterChooser.get()); 1618f6d1e605317917146362706ed460b5ed6624fcc5bungeman DrawOneGlyph drawOneGlyph(*this, paint, cache.get(), wrapper.getBlitter()); 16198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1620e59124ed1a62f1fec79679c38cabed622a756f75herb SkFindAndPlaceGlyph::ProcessText( 16214c11b3f8a2d9919a21110dbdd29e67e5cbaa41fbherb paint.getTextEncoding(), text, byteLength, 1622f6d1e605317917146362706ed460b5ed6624fcc5bungeman {x, y}, *fMatrix, paint.getTextAlign(), cache.get(), drawOneGlyph); 16238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 16268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1627ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.comvoid SkDraw::drawPosText_asPaths(const char text[], size_t byteLength, 162805c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkScalar pos[], int scalarsPerPosition, 162905c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkPoint& offset, const SkPaint& origPaint) const { 1630ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com // setup our std paint, in hopes of getting hits in the cache 1631ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkPaint paint(origPaint); 1632ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com SkScalar matrixScale = paint.setupForAsPaths(); 1633ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 16345a64902ee92847f53dfc5b211da19d074179be64reed@google.com SkMatrix matrix; 16355a64902ee92847f53dfc5b211da19d074179be64reed@google.com matrix.setScale(matrixScale, matrixScale); 16368f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 16374e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org // Temporarily jam in kFill, so we only ever ask for the raw outline from the cache. 16384e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setStyle(SkPaint::kFill_Style); 163996fcdcc219d2a0d3579719b84b28bede76efba64halcanary paint.setPathEffect(nullptr); 16404e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org 1641e34f17d23699abfc672289f51319b37294b3c257robertphillips SkPaint::GlyphCacheProc glyphCacheProc = SkPaint::GetGlyphCacheProc(paint.getTextEncoding(), 1642e34f17d23699abfc672289f51319b37294b3c257robertphillips paint.isDevKernText(), 1643e34f17d23699abfc672289f51319b37294b3c257robertphillips true); 1644a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman SkAutoGlyphCache cache(paint, &fDevice->surfaceProps(), this->scalerContextFlags(), nullptr); 1645ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 1646ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const char* stop = text + byteLength; 164779738cc7bf12d212bef4ff80591d1bf6f383663dbungeman SkTextAlignProc alignProc(paint.getTextAlign()); 164805c4a4322e7d4f3417b7df33825bab8603d52051fmalita SkTextMapStateProc tmsProc(SkMatrix::I(), offset, scalarsPerPosition); 16498f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 16504e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org // Now restore the original settings, so we "draw" with whatever style/stroking. 16514e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org paint.setStyle(origPaint.getStyle()); 1652a439334b6e758d38501e225e2e5d0ab73e2fb6ebreed paint.setPathEffect(sk_ref_sp(origPaint.getPathEffect())); 16534e82cdb90abb34a2ab60fcdb26e7bfc17e8e4da9commit-bot@chromium.org 1654ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com while (text < stop) { 1655d936f63c35fb7dfb2b6c20802206adbfc3cc48d0benjaminwagner const SkGlyph& glyph = glyphCacheProc(cache.get(), &text); 1656ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (glyph.fWidth) { 1657ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com const SkPath* path = cache->findPath(glyph); 1658ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (path) { 1659cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen SkPoint tmsLoc; 1660cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen tmsProc(pos, &tmsLoc); 1661cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com SkPoint loc; 1662cb9a2c8934f009b6ee1ca73d662ac18b285085d9kkinnunen alignProc(tmsLoc, glyph, &loc); 16638f6ef4010f6835c5ce9ede180e50a6a58512a81eskia.committer@gmail.com 1664cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransX] = loc.fX; 1665cfd90d6073baef9841dcb6e7b25d244f06ceeeaabungeman@google.com matrix[SkMatrix::kMTransY] = loc.fY; 16665a64902ee92847f53dfc5b211da19d074179be64reed@google.com if (fDevice) { 16675a64902ee92847f53dfc5b211da19d074179be64reed@google.com fDevice->drawPath(*this, *path, paint, &matrix, false); 16685a64902ee92847f53dfc5b211da19d074179be64reed@google.com } else { 16695a64902ee92847f53dfc5b211da19d074179be64reed@google.com this->drawPath(*path, paint, &matrix, false); 16705a64902ee92847f53dfc5b211da19d074179be64reed@google.com } 1671ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1672ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1673ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com pos += scalarsPerPosition; 1674ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com } 1675ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com} 1676ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com 16778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPosText(const char text[], size_t byteLength, 167805c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkScalar pos[], int scalarsPerPosition, 167905c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkPoint& offset, const SkPaint& paint) const { 168096fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(byteLength == 0 || text != nullptr); 16818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 16828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1683f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 16848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 168696fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (text == nullptr || byteLength == 0 || fRC->isEmpty()) { 16878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1690ed43dffbf140cebc0575bed7b4dff1b32430ad21reed@google.com if (ShouldDrawTextAsPaths(paint, *fMatrix)) { 169105c4a4322e7d4f3417b7df33825bab8603d52051fmalita this->drawPosText_asPaths(text, byteLength, pos, scalarsPerPosition, offset, paint); 16928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1695a1e8f8d8f1a0b7141136d7d49df1cc2fec0528dfbrianosman SkAutoGlyphCache cache(paint, &fDevice->surfaceProps(), this->scalerContextFlags(), fMatrix); 1696d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb 16979be5ff6f9871ef22740094e7c25dd67329a73d20herb // The Blitter Choose needs to be live while using the blitter below. 169811a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAutoBlitterChoose blitterChooser(fDst, *fMatrix, paint); 169911a7f7f5998cb3d5605741e37a7f12f7477d480cherb SkAAClipBlitterWrapper wrapper(*fRC, blitterChooser.get()); 1700f6d1e605317917146362706ed460b5ed6624fcc5bungeman DrawOneGlyph drawOneGlyph(*this, paint, cache.get(), wrapper.getBlitter()); 1701d4c24f67496ff2e5e83bc7ce7945cbb85484bfa6herb SkPaint::Align textAlignment = paint.getTextAlign(); 17028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17039be5ff6f9871ef22740094e7c25dd67329a73d20herb SkFindAndPlaceGlyph::ProcessPosText( 17044c11b3f8a2d9919a21110dbdd29e67e5cbaa41fbherb paint.getTextEncoding(), text, byteLength, 1705f6d1e605317917146362706ed460b5ed6624fcc5bungeman offset, *fMatrix, pos, scalarsPerPosition, textAlignment, cache.get(), drawOneGlyph); 17068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1708d7dc76f7e99309cbd09a5420c22e55b951067debbungeman#if defined _WIN32 17098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( pop ) 17108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 17118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 17138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17145dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreedstatic SkScan::HairRCProc ChooseHairProc(bool doAntiAlias) { 17158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; 17168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool texture_to_matrix(const VertState& state, const SkPoint verts[], 17198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint texs[], SkMatrix* matrix) { 17208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src[3], dst[3]; 1721a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[0] = texs[state.f0]; 17238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[1] = texs[state.f1]; 17248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[2] = texs[state.f2]; 17258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[0] = verts[state.f0]; 17268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[1] = verts[state.f1]; 17278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[2] = verts[state.f2]; 17288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return matrix->setPolyToPoly(src, dst, 3); 17298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkTriColorShader : public SkShader { 17328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 173388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic SkTriColorShader(); 17348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 173587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org class TriColorShaderContext : public SkShader::Context { 173687fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org public: 1737e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org TriColorShaderContext(const SkTriColorShader& shader, const ContextRec&); 173887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org virtual ~TriColorShaderContext(); 173936352bf5e38f45a70ee4f4fc132a38048d38206dmtklein void shadeSpan(int x, int y, SkPMColor dstC[], int count) override; 174087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 174187fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org private: 174288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic bool setup(const SkPoint pts[], const SkColor colors[], int, int, int); 174388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 174487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkMatrix fDstToUnit; 174587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org SkPMColor fColors[3]; 174688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic bool fSetup; 174787fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 174887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org typedef SkShader::Context INHERITED; 174987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org }; 1750a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 175188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic struct TriColorShaderData { 175288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic const SkPoint* pts; 175388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic const SkColor* colors; 175488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic const VertState *state; 175588cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic }; 175688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 17570f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org SK_TO_STRING_OVERRIDE() 17587e44bb191633e225fd0455c267dbf67f9ee8633emtklein 17597e44bb191633e225fd0455c267dbf67f9ee8633emtklein // For serialization. This will never be called. 176096fcdcc219d2a0d3579719b84b28bede76efba64halcanary Factory getFactory() const override { sk_throw(); return nullptr; } 1761ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 176288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // Supply setup data to context from drawing setup 176388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic void bindSetupData(TriColorShaderData* setupData) { fSetupData = setupData; } 176488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 176588cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // Take the setup data from context when needed. 176688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData* takeSetupData() { 176788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData *data = fSetupData; 176888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic fSetupData = NULL; 176988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic return data; 177088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic } 177188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 17728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 1773773ceda51ca120b686ba2d1aff1b6d5173143be0reed size_t onContextSize(const ContextRec&) const override; 177436352bf5e38f45a70ee4f4fc132a38048d38206dmtklein Context* onCreateContext(const ContextRec& rec, void* storage) const override { 1775385fe4d4b62d7d1dd76116dd570df3290a2f487bhalcanary return new (storage) TriColorShaderContext(*this, rec); 1776ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org } 1777ce56d965069c1649afe14319cb239e6ad670682acommit-bot@chromium.org 17788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 177988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData *fSetupData; 178088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 17818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkShader INHERITED; 17828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 17838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 178487fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgbool SkTriColorShader::TriColorShaderContext::setup(const SkPoint pts[], const SkColor colors[], 178587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org int index0, int index1, int index2) { 1786a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[0] = SkPreMultiplyColor(colors[index0]); 17888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[1] = SkPreMultiplyColor(colors[index1]); 17898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[2] = SkPreMultiplyColor(colors[index2]); 1790a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix m, im; 17928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.reset(); 17938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(0, pts[index1].fX - pts[index0].fX); 17948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(1, pts[index2].fX - pts[index0].fX); 17958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(2, pts[index0].fX); 17968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(3, pts[index1].fY - pts[index0].fY); 17978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(4, pts[index2].fY - pts[index0].fY); 17988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(5, pts[index0].fY); 17998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!m.invert(&im)) { 18008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 18018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 180280116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org // We can't call getTotalInverse(), because we explicitly don't want to look at the localmatrix 180380116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org // as our interators are intrinsically tied to the vertices, and nothing else. 180480116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkMatrix ctmInv; 180580116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (!this->getCTM().invert(&ctmInv)) { 180680116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org return false; 180780116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org } 180888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // TODO replace INV(m) * INV(ctm) with INV(ctm * m) 180980116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org fDstToUnit.setConcat(im, ctmInv); 181092362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org return true; 18118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 1814689411a87ca7d19abe04b5c9baff26bd96b2123ereed@android.com#include "SkComposeShader.h" 18158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic int ScalarTo256(SkScalar v) { 181743437c2f1928073a30c2bab6d32df854658235ecbenjaminwagner return static_cast<int>(SkScalarPin(v, 0, 1) * 256 + 0.5); 18188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 182088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovicSkTriColorShader::SkTriColorShader() 182188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic : INHERITED(NULL) 182288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic , fSetupData(NULL) {} 182387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 1824e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.orgSkTriColorShader::TriColorShaderContext::TriColorShaderContext(const SkTriColorShader& shader, 1825e901b6de3ef8dea842008a08fc81e92fb1478d61commit-bot@chromium.org const ContextRec& rec) 182688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic : INHERITED(shader, rec) 182788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic , fSetup(false) {} 182887fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 182987fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgSkTriColorShader::TriColorShaderContext::~TriColorShaderContext() {} 183087fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org 1831773ceda51ca120b686ba2d1aff1b6d5173143be0reedsize_t SkTriColorShader::onContextSize(const ContextRec&) const { 1832a0cee5f30e9254187a6bb943e6b8a9296214c353reed return sizeof(TriColorShaderContext); 183387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org} 1834773ceda51ca120b686ba2d1aff1b6d5173143be0reed 183587fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.orgvoid SkTriColorShader::TriColorShaderContext::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 183688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic SkTriColorShader* parent = static_cast<SkTriColorShader*>(const_cast<SkShader*>(&fShader)); 183788cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic TriColorShaderData* set = parent->takeSetupData(); 183888cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic if (set) { 183988cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic fSetup = setup(set->pts, set->colors, set->state->f0, set->state->f1, set->state->f2); 184088cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic } 184188cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 184288cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic if (!fSetup) { 184388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic // Invalid matrices. Not checked before so no need to assert. 184488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic return; 184588cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic } 184688cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 184706a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org const int alphaScale = Sk255To256(this->getPaintAlpha()); 184806a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org 18498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src; 1850a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 18528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDstToUnit.mapXY(SkIntToScalar(x), SkIntToScalar(y), &src); 18538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += 1; 1854a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale1 = ScalarTo256(src.fX); 18568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale2 = ScalarTo256(src.fY); 18578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale0 = 256 - scale1 - scale2; 18588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale0 < 0) { 18598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale1 > scale2) { 18608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale2 = 256 - scale1; 18618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale1 = 256 - scale2; 18638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale0 = 0; 18658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1866a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 186706a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org if (256 != alphaScale) { 186806a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale0 = SkAlphaMul(scale0, alphaScale); 186906a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale1 = SkAlphaMul(scale1, alphaScale); 187006a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org scale2 = SkAlphaMul(scale2, alphaScale); 187106a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org } 187206a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org 18738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dstC[i] = SkAlphaMulQ(fColors[0], scale0) + 187406a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org SkAlphaMulQ(fColors[1], scale1) + 187506a32062620daee7a93742f553829a8d4f93f720commit-bot@chromium.org SkAlphaMulQ(fColors[2], scale2); 18768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18790f10f7bf1fb43ca6346dc220a076773b1f19a367commit-bot@chromium.org#ifndef SK_IGNORE_TO_STRING 188076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkTriColorShader::toString(SkString* str) const { 188176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append("SkTriColorShader: ("); 188276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 188376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 188476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 188576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 188676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 188776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 188876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 18898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count, 18908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint vertices[], const SkPoint textures[], 18917d954ad797176afedb9262fdea4507d0fc60eb9dMike Reed const SkColor colors[], SkBlendMode bmode, 18928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t indices[], int indexCount, 18938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 189449f085dddff10473b6ebf832a974288300224e60bsalomon SkASSERT(0 == count || vertices); 1895a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // abort early if there is nothing to draw 1897045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (count < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { 18988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 18998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1900a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform out vertices into device coordinates 19028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoSTMalloc<16, SkPoint> storage(count); 19038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint* devVerts = storage.get(); 19048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapPoints(devVerts, vertices, count); 1905a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 19078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com We can draw the vertices in 1 of 4 ways: 19088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - solid color (no shader/texture[], no colors[]) 19108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just colors (no shader/texture[], has colors[]) 19118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just texture (has shader/texture[], no colors[]) 19128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - colors * texture (has shader/texture[], has colors[]) 1913a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Thus for texture drawing, we need both texture[] and a shader. 19158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 19168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19178a21c9fe7f5fef9e87115defef27bd7218419f28reed auto triShader = sk_make_sp<SkTriColorShader>(); 19188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 19198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = p.getShader(); 192196fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == shader) { 19228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we have no shader, we ignore the texture coordinates 192396fcdcc219d2a0d3579719b84b28bede76efba64halcanary textures = nullptr; 192496fcdcc219d2a0d3579719b84b28bede76efba64halcanary } else if (nullptr == textures) { 19258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we don't have texture coordinates, ignore the shader 192696fcdcc219d2a0d3579719b84b28bede76efba64halcanary p.setShader(nullptr); 192796fcdcc219d2a0d3579719b84b28bede76efba64halcanary shader = nullptr; 19288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup the custom shader (if needed) 193149f085dddff10473b6ebf832a974288300224e60bsalomon if (colors) { 193296fcdcc219d2a0d3579719b84b28bede76efba64halcanary if (nullptr == textures) { 19338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // just colors (no texture) 19348a21c9fe7f5fef9e87115defef27bd7218419f28reed p.setShader(triShader); 19358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 19368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // colors * texture 19378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(shader); 19387d954ad797176afedb9262fdea4507d0fc60eb9dMike Reed p.setShader(SkShader::MakeComposeShader(triShader, sk_ref_sp(shader), bmode)); 19398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 194241e010cb901c0da9066c4df562030808c9ccd7f8reed SkAutoBlitterChoose blitter(fDst, *fMatrix, p); 194387fcd950198a16211b3988610beebb5ca5bcf323commit-bot@chromium.org // Abort early if we failed to create a shader context. 1944ea033606a06d05d2d42aa7118409fee798e53167reed@google.com if (blitter->isNullBlitter()) { 1945ea033606a06d05d2d42aa7118409fee798e53167reed@google.com return; 1946ea033606a06d05d2d42aa7118409fee798e53167reed@google.com } 1947ea033606a06d05d2d42aa7118409fee798e53167reed@google.com 19488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup our state and function pointer for iterating triangles 19498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState state(count, indices, indexCount); 19508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState::Proc vertProc = state.chooseProc(vmode); 1951a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 195249f085dddff10473b6ebf832a974288300224e60bsalomon if (textures || colors) { 195388cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic SkTriColorShader::TriColorShaderData verticesSetup = { vertices, colors, &state }; 195488cb82246a5dc141cb9f49a3b9187abb515cd49daleksandar.stojiljkovic 19558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 195649f085dddff10473b6ebf832a974288300224e60bsalomon if (textures) { 195780116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org SkMatrix tempM; 19588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (texture_to_matrix(state, vertices, textures, &tempM)) { 1959d0c4e092d54d281991ecfdc2e4ddd5217e45b42afmalita SkShader::ContextRec rec(p, *fMatrix, &tempM, 1960d0c4e092d54d281991ecfdc2e4ddd5217e45b42afmalita SkBlitter::PreferredShaderDest(fDst.info())); 196180116dcf1e1baf9817ae42d0aca51f7eabaa2880commit-bot@chromium.org if (!blitter->resetShaderContext(rec)) { 19628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 19638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 196649f085dddff10473b6ebf832a974288300224e60bsalomon if (colors) { 19678a21c9fe7f5fef9e87115defef27bd7218419f28reed triShader->bindSetupData(&verticesSetup); 19688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1969045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1970045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPoint tmp[] = { 1971045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] 1972045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com }; 1973045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillTriangle(tmp, *fRC, blitter.get()); 19748a21c9fe7f5fef9e87115defef27bd7218419f28reed triShader->bindSetupData(NULL); 19758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1977559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org // no colors[] and no texture, stroke hairlines with paint's color. 19785dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkScan::HairRCProc hairProc = ChooseHairProc(paint.isAntiAlias()); 1979045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 19808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 19815dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed SkPoint array[] = { 19825dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed devVerts[state.f0], devVerts[state.f1], devVerts[state.f2], devVerts[state.f0] 19835dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed }; 19845dc6b7d1a8bc591d62366ff83c434ff74f3e10fcreed hairProc(array, 4, clip, blitter.get()); 19858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19890a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 19900a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 19918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 19938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1994f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comvoid SkDraw::validate() const { 199596fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(fMatrix != nullptr); 199696fcdcc219d2a0d3579719b84b28bede76efba64halcanary SkASSERT(fRC != nullptr); 19978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1998045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& cr = fRC->getBounds(); 19998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect br; 20008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 200141e010cb901c0da9066c4df562030808c9ccd7f8reed br.set(0, 0, fDst.width(), fDst.height()); 20028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(cr.isEmpty() || br.contains(cr)); 20038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 20068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//////////////////////////////////////////////////////////////////////////////////////////////// 20088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 20108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 20118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 20128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 20138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds, 2015b07a94f1cba3976596ae1a7f23d8c2043ba353f3reed const SkMaskFilter* filter, const SkMatrix* filterMatrix, 20168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect* bounds) { 20178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (devPath.isEmpty()) { 20188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 20198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // init our bounds from the path 202211fa2247b747eb75e2f158dc7571d458ed6c0115reed *bounds = devPath.getBounds().makeOutset(SK_ScalarHalf, SK_ScalarHalf).roundOut(); 2023a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20246db75fc2c393ba86a3f533597a8bcd348477e79ctomhudson@google.com SkIPoint margin = SkIPoint::Make(0, 0); 20258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (filter) { 20268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(filterMatrix); 2027a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20285af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkMask srcM, dstM; 2029a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fBounds = *bounds; 20318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fFormat = SkMask::kA8_Format; 20328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!filter->filterMask(&dstM, srcM, *filterMatrix, &margin)) { 20338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 20348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2036a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20375af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com // (possibly) trim the bounds to reflect the clip 20388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (plus whatever slop the filter needs) 20395af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (clipBounds) { 20403555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // Ugh. Guard against gigantic margins from wacky filters. Without this 20413555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // check we can request arbitrary amounts of slop beyond our visible 20423555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // clip, and bring down the renderer (at least on finite RAM machines 20433555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // like handsets, etc.). Need to balance this invented value between 20443555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // quality of large filters like blurs, and the corresponding memory 20453555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // requests. 20463555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com static const int MAX_MARGIN = 128; 204711fa2247b747eb75e2f158dc7571d458ed6c0115reed if (!bounds->intersect(clipBounds->makeOutset(SkMin32(margin.fX, MAX_MARGIN), 204811fa2247b747eb75e2f158dc7571d458ed6c0115reed SkMin32(margin.fY, MAX_MARGIN)))) { 20495af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com return false; 20505af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com } 20518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 20548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2056055e192adc0072ae2548ef5431ceee652945f9c2bsalomonstatic void draw_into_mask(const SkMask& mask, const SkPath& devPath, 2057055e192adc0072ae2548ef5431ceee652945f9c2bsalomon SkStrokeRec::InitStyle style) { 205841e010cb901c0da9066c4df562030808c9ccd7f8reed SkDraw draw; 205941e010cb901c0da9066c4df562030808c9ccd7f8reed if (!draw.fDst.reset(mask)) { 206041e010cb901c0da9066c4df562030808c9ccd7f8reed return; 206141e010cb901c0da9066c4df562030808c9ccd7f8reed } 206241e010cb901c0da9066c4df562030808c9ccd7f8reed 2063045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRasterClip clip; 2064045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkMatrix matrix; 2065045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPaint paint; 20668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2067045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height())); 20688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 20698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 20708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2071045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fRC = &clip; 20728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 20738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 2074055e192adc0072ae2548ef5431ceee652945f9c2bsalomon switch (style) { 2075055e192adc0072ae2548ef5431ceee652945f9c2bsalomon case SkStrokeRec::kHairline_InitStyle: 2076055e192adc0072ae2548ef5431ceee652945f9c2bsalomon SkASSERT(!paint.getStrokeWidth()); 2077055e192adc0072ae2548ef5431ceee652945f9c2bsalomon paint.setStyle(SkPaint::kStroke_Style); 2078055e192adc0072ae2548ef5431ceee652945f9c2bsalomon break; 2079055e192adc0072ae2548ef5431ceee652945f9c2bsalomon case SkStrokeRec::kFill_InitStyle: 2080055e192adc0072ae2548ef5431ceee652945f9c2bsalomon SkASSERT(paint.getStyle() == SkPaint::kFill_Style); 2081055e192adc0072ae2548ef5431ceee652945f9c2bsalomon break; 2082055e192adc0072ae2548ef5431ceee652945f9c2bsalomon 2083055e192adc0072ae2548ef5431ceee652945f9c2bsalomon } 20848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawPath(devPath, paint); 20858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkDraw::DrawToMask(const SkPath& devPath, const SkIRect* clipBounds, 208830711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 20892ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkMask* mask, SkMask::CreateMode mode, 2090055e192adc0072ae2548ef5431ceee652945f9c2bsalomon SkStrokeRec::InitStyle style) { 20918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustRenderImage_CreateMode != mode) { 20928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!compute_bounds(devPath, clipBounds, filter, filterMatrix, &mask->fBounds)) 20938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 20948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2095a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kComputeBoundsAndRenderImage_CreateMode == mode) { 20978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fFormat = SkMask::kA8_Format; 20988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fRowBytes = mask->fBounds.width(); 2099543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask->computeImageSize(); 2100543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 2101543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // we're too big to allocate the mask, abort 2102543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return false; 2103543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 2104543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com mask->fImage = SkMask::AllocImage(size); 21058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask->fImage, 0, mask->computeImageSize()); 21068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustComputeBounds_CreateMode != mode) { 21092ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org draw_into_mask(*mask, devPath, style); 21108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2111a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 21138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2114