SkLayerDrawLooper.cpp revision 79fbb40bca9d815ef79b896b31ba6ee736817e0f
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2011 Google Inc. 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 7ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com */ 88a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 90716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com#include "SkColor.h" 108b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkReadBuffer.h" 118b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.org#include "SkWriteBuffer.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkLayerDrawLooper.h" 134991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com#include "SkString.h" 144991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com#include "SkStringUtils.h" 150716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com#include "SkUnPreMultiply.h" 160716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 170716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.comSkLayerDrawLooper::LayerInfo::LayerInfo() { 18a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org fPaintBits = 0; // ignore our paint fields 190716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com fColorMode = SkXfermode::kDst_Mode; // ignore our color 200716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com fOffset.set(0, 0); 210716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com fPostTranslate = false; 220716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com} 238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 243c898186c9082c535e589807752a0a9dc5d28aa0vandebo@chromium.orgSkLayerDrawLooper::SkLayerDrawLooper() 253c898186c9082c535e589807752a0a9dc5d28aa0vandebo@chromium.org : fRecs(NULL), 268f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fTopRec(NULL), 2779fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org fCount(0) { 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkLayerDrawLooper::~SkLayerDrawLooper() { 318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Rec* rec = fRecs; 328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (rec) { 338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Rec* next = rec->fNext; 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDELETE(rec); 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rec = next; 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 380716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 390716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.comSkPaint* SkLayerDrawLooper::addLayer(const LayerInfo& info) { 408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount += 1; 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Rec* rec = SkNEW(Rec); 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rec->fNext = fRecs; 440716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com rec->fInfo = info; 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRecs = rec; 468f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org if (NULL == fTopRec) { 478f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fTopRec = rec; 488f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org } 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return &rec->fPaint; 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 53a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.orgvoid SkLayerDrawLooper::addLayer(SkScalar dx, SkScalar dy) { 540716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com LayerInfo info; 550716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 560716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com info.fOffset.set(dx, dy); 57a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org (void)this->addLayer(info); 580716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com} 590716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 608f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.orgSkPaint* SkLayerDrawLooper::addLayerOnTop(const LayerInfo& info) { 618f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fCount += 1; 628f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 638f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org Rec* rec = SkNEW(Rec); 648f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org rec->fNext = NULL; 658f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org rec->fInfo = info; 668f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org if (NULL == fRecs) { 678f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fRecs = rec; 688f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org } else { 698f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org SkASSERT(NULL != fTopRec); 708f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fTopRec->fNext = rec; 718f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org } 728f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org fTopRec = rec; 738f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 748f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org return &rec->fPaint; 758f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org} 768f838259ab65e44562902679fa88cb00575b99cecommit-bot@chromium.org 7779fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.orgSkLayerDrawLooper::Context* SkLayerDrawLooper::createContext(SkCanvas* canvas, void* storage) const { 788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->save(SkCanvas::kMatrix_SaveFlag); 7979fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org return SkNEW_PLACEMENT_ARGS(storage, LayerDrawLooperContext, (this)); 808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 820716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.comstatic SkColor xferColor(SkColor src, SkColor dst, SkXfermode::Mode mode) { 830716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com switch (mode) { 840716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com case SkXfermode::kSrc_Mode: 850716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com return src; 860716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com case SkXfermode::kDst_Mode: 870716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com return dst; 880716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com default: { 890716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com SkPMColor pmS = SkPreMultiplyColor(src); 900716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com SkPMColor pmD = SkPreMultiplyColor(dst); 910716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com SkPMColor result = SkXfermode::GetProc(mode)(pmS, pmD); 920716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com return SkUnPreMultiply::PMColorToColor(result); 930716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com } 940716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com } 950716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com} 960716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 978426058dee0faf75a18b81cfcde47ee8ab8c31d9reed@google.com// Even with kEntirePaint_Bits, we always ensure that the master paint's 988426058dee0faf75a18b81cfcde47ee8ab8c31d9reed@google.com// text-encoding is respected, since that controls how we interpret the 998426058dee0faf75a18b81cfcde47ee8ab8c31d9reed@google.com// text/length parameters of a draw[Pos]Text call. 10079fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.orgvoid SkLayerDrawLooper::LayerDrawLooperContext::ApplyInfo( 10179fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org SkPaint* dst, const SkPaint& src, const LayerInfo& info) { 102a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org 103a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org dst->setColor(xferColor(src.getColor(), dst->getColor(), info.fColorMode)); 104a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org 105a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org BitFlags bits = info.fPaintBits; 1068426058dee0faf75a18b81cfcde47ee8ab8c31d9reed@google.com SkPaint::TextEncoding encoding = dst->getTextEncoding(); 1070716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 1083c1225bee4d9ea0963acf47fc5df080b2d5b26b2mike@reedtribe.org if (0 == bits) { 1093c1225bee4d9ea0963acf47fc5df080b2d5b26b2mike@reedtribe.org return; 1103c1225bee4d9ea0963acf47fc5df080b2d5b26b2mike@reedtribe.org } 1110e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (kEntirePaint_Bits == bits) { 112a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org // we've already computed these, so save it from the assignment 113a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org uint32_t f = dst->getFlags(); 1140716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com SkColor c = dst->getColor(); 1150e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org *dst = src; 116a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org dst->setFlags(f); 1170716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com dst->setColor(c); 1188426058dee0faf75a18b81cfcde47ee8ab8c31d9reed@google.com dst->setTextEncoding(encoding); 1190e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org return; 1200e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1210e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org 1220e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kStyle_Bit) { 1230e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setStyle(src.getStyle()); 1240e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setStrokeWidth(src.getStrokeWidth()); 1250e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setStrokeMiter(src.getStrokeMiter()); 1260e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setStrokeCap(src.getStrokeCap()); 1270e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setStrokeJoin(src.getStrokeJoin()); 1280e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1290e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org 1300e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kTextSkewX_Bit) { 1310e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setTextSkewX(src.getTextSkewX()); 1320e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1330e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org 1340e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kPathEffect_Bit) { 1350e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setPathEffect(src.getPathEffect()); 1360e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1370e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kMaskFilter_Bit) { 1380e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setMaskFilter(src.getMaskFilter()); 1390e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1400e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kShader_Bit) { 1410e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setShader(src.getShader()); 1420e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1430e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kColorFilter_Bit) { 1440e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setColorFilter(src.getColorFilter()); 1450e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1460e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org if (bits & kXfermode_Bit) { 1470e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setXfermode(src.getXfermode()); 1480e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org } 1490e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org 1508426058dee0faf75a18b81cfcde47ee8ab8c31d9reed@google.com // we don't override these 1510e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org#if 0 1520e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setTypeface(src.getTypeface()); 1530e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setTextSize(src.getTextSize()); 1540e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setTextScaleX(src.getTextScaleX()); 1550e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setRasterizer(src.getRasterizer()); 1560e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setLooper(src.getLooper()); 1570e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setTextEncoding(src.getTextEncoding()); 1580e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org dst->setHinting(src.getHinting()); 1590e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org#endif 1600e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org} 1610e2810be95d3f1aa95c341521d3f514eb9e9ebdemike@reedtribe.org 1620716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com// Should we add this to canvas? 1630716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.comstatic void postTranslate(SkCanvas* canvas, SkScalar dx, SkScalar dy) { 1640716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com SkMatrix m = canvas->getTotalMatrix(); 1650716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com m.postTranslate(dx, dy); 1660716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com canvas->setMatrix(m); 1670716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com} 1680716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 16979fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.orgSkLayerDrawLooper::LayerDrawLooperContext::LayerDrawLooperContext( 17079fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org const SkLayerDrawLooper* looper) : fCurrRec(looper->fRecs) {} 17179fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org 17279fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.orgbool SkLayerDrawLooper::LayerDrawLooperContext::next(SkCanvas* canvas, 17379fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org SkPaint* paint) { 1744e2b3d3fb1288c6dc0f3ea1c0aa4a0d7c603bd7breed@google.com canvas->restore(); 1754e2b3d3fb1288c6dc0f3ea1c0aa4a0d7c603bd7breed@google.com if (NULL == fCurrRec) { 1764e2b3d3fb1288c6dc0f3ea1c0aa4a0d7c603bd7breed@google.com return false; 1778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 179a8282ef8f9e63e60c5665af0cdfc8fdd11c089f6mike@reedtribe.org ApplyInfo(paint, fCurrRec->fPaint, fCurrRec->fInfo); 1800716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com 1814e2b3d3fb1288c6dc0f3ea1c0aa4a0d7c603bd7breed@google.com canvas->save(SkCanvas::kMatrix_SaveFlag); 1820716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com if (fCurrRec->fInfo.fPostTranslate) { 1830716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com postTranslate(canvas, fCurrRec->fInfo.fOffset.fX, 1840716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com fCurrRec->fInfo.fOffset.fY); 1850716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com } else { 18679fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org canvas->translate(fCurrRec->fInfo.fOffset.fX, 18779fbb40bca9d815ef79b896b31ba6ee736817e0fcommit-bot@chromium.org fCurrRec->fInfo.fOffset.fY); 1880716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com } 189e5d0def6d9864463565f9ca6a6e9ceedcb72712dmike@reedtribe.org fCurrRec = fCurrRec->fNext; 190e5d0def6d9864463565f9ca6a6e9ceedcb72712dmike@reedtribe.org 1914e2b3d3fb1288c6dc0f3ea1c0aa4a0d7c603bd7breed@google.com return true; 1928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1968b0e8ac5f582de80356019406e2975079bf0829dcommit-bot@chromium.orgvoid SkLayerDrawLooper::flatten(SkWriteBuffer& buffer) const { 1978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->INHERITED::flatten(buffer); 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Rec* rec = fRecs; 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count = 0; 2038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (rec) { 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rec = rec->fNext; 2058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += 1; 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(count == fCount); 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com buffer.writeInt(fCount); 212fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Rec* rec = fRecs; 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < fCount; i++) { 215842292f10fc08bc8701114f7eec00944b6ea26d2reed@google.com // Legacy "flagsmask" field -- now ignored, remove when we bump version 216842292f10fc08bc8701114f7eec00944b6ea26d2reed@google.com buffer.writeInt(0); 217842292f10fc08bc8701114f7eec00944b6ea26d2reed@google.com 2180716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com buffer.writeInt(rec->fInfo.fPaintBits); 2190716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com buffer.writeInt(rec->fInfo.fColorMode); 220c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com buffer.writePoint(rec->fInfo.fOffset); 2210716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com buffer.writeBool(rec->fInfo.fPostTranslate); 222c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com buffer.writePaint(rec->fPaint); 2238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rec = rec->fNext; 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgSkFlattenable* SkLayerDrawLooper::CreateProc(SkReadBuffer& buffer) { 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count = buffer.readInt(); 2298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org Builder builder; 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 2320716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com LayerInfo info; 233842292f10fc08bc8701114f7eec00944b6ea26d2reed@google.com // Legacy "flagsmask" field -- now ignored, remove when we bump version 23448f31bdbb3346e3003581229395022bf44828b13reed@google.com (void)buffer.readInt(); 235842292f10fc08bc8701114f7eec00944b6ea26d2reed@google.com 2360716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com info.fPaintBits = buffer.readInt(); 2370716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com info.fColorMode = (SkXfermode::Mode)buffer.readInt(); 238c73dd5c6880739f26216f198c757028fd28df1a4djsollen@google.com buffer.readPoint(&info.fOffset); 2390716c63332a64c3cc77a9afb87ae2fd9614f0c4freed@google.com info.fPostTranslate = buffer.readBool(); 24074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org buffer.readPaint(builder.addLayerOnTop(info)); 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org SkLayerDrawLooper* looper = builder.detachLooper(); 24374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org SkASSERT(count == looper->fCount); 244fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 24774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org Rec* rec = looper->fRecs; 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int n = 0; 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (rec) { 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rec = rec->fNext; 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n += 1; 2528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(count == n); 2548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 25674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 25774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org return looper; 2588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2594991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 2604991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com#ifdef SK_DEVELOPER 2614991b8f23482afc1494fd17647421ce68de53331robertphillips@google.comvoid SkLayerDrawLooper::toString(SkString* str) const { 2624991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->appendf("SkLayerDrawLooper (%d): ", fCount); 2634991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 2644991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com Rec* rec = fRecs; 2654991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com for (int i = 0; i < fCount; i++) { 266842292f10fc08bc8701114f7eec00944b6ea26d2reed@google.com str->appendf("%d: paintBits: (", i); 2674991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com if (0 == rec->fInfo.fPaintBits) { 2684991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append("None"); 2694991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com } else if (kEntirePaint_Bits == rec->fInfo.fPaintBits) { 2704991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append("EntirePaint"); 2714991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com } else { 2724991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com bool needSeparator = false; 2734991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com SkAddFlagToString(str, SkToBool(kStyle_Bit & rec->fInfo.fPaintBits), "Style", 2744991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 275cdcb2ce2744c7e5c47453328dbf292edee79ab37skia.committer@gmail.com SkAddFlagToString(str, SkToBool(kTextSkewX_Bit & rec->fInfo.fPaintBits), "TextSkewX", 2764991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 2774991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com SkAddFlagToString(str, SkToBool(kPathEffect_Bit & rec->fInfo.fPaintBits), "PathEffect", 2784991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 2794991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com SkAddFlagToString(str, SkToBool(kMaskFilter_Bit & rec->fInfo.fPaintBits), "MaskFilter", 2804991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 281cdcb2ce2744c7e5c47453328dbf292edee79ab37skia.committer@gmail.com SkAddFlagToString(str, SkToBool(kShader_Bit & rec->fInfo.fPaintBits), "Shader", 2824991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 283cdcb2ce2744c7e5c47453328dbf292edee79ab37skia.committer@gmail.com SkAddFlagToString(str, SkToBool(kColorFilter_Bit & rec->fInfo.fPaintBits), "ColorFilter", 2844991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 285cdcb2ce2744c7e5c47453328dbf292edee79ab37skia.committer@gmail.com SkAddFlagToString(str, SkToBool(kXfermode_Bit & rec->fInfo.fPaintBits), "Xfermode", 2864991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com &needSeparator); 2874991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com } 2884991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append(") "); 2894991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 2904991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com static const char* gModeStrings[SkXfermode::kLastMode+1] = { 2914991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com "kClear", "kSrc", "kDst", "kSrcOver", "kDstOver", "kSrcIn", "kDstIn", 2924991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com "kSrcOut", "kDstOut", "kSrcATop", "kDstATop", "kXor", "kPlus", 2934991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com "kMultiply", "kScreen", "kOverlay", "kDarken", "kLighten", "kColorDodge", 2944991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com "kColorBurn", "kHardLight", "kSoftLight", "kDifference", "kExclusion" 2954991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com }; 2964991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 2974991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->appendf("mode: %s ", gModeStrings[rec->fInfo.fColorMode]); 2984991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 2994991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append("offset: ("); 3004991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->appendScalar(rec->fInfo.fOffset.fX); 3014991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append(", "); 3024991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->appendScalar(rec->fInfo.fOffset.fY); 3034991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append(") "); 3044991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 3054991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append("postTranslate: "); 3064991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com if (rec->fInfo.fPostTranslate) { 3074991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append("true "); 3084991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com } else { 3094991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com str->append("false "); 3104991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com } 3114991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com 312791f12e6cf558e0dd1689fbb0a6b5eddac9f42adrobertphillips@google.com rec->fPaint.toString(str); 3134991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com rec = rec->fNext; 3144991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com } 3154991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com} 3164991b8f23482afc1494fd17647421ce68de53331robertphillips@google.com#endif 31774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 31874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgSkLayerDrawLooper::Builder::Builder() 31974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org : fRecs(NULL), 32074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fTopRec(NULL), 32174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fCount(0) { 32274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org} 32374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 32474ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgSkLayerDrawLooper::Builder::~Builder() { 32574ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org Rec* rec = fRecs; 32674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org while (rec) { 32774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org Rec* next = rec->fNext; 32874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org SkDELETE(rec); 32974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org rec = next; 33074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org } 33174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org} 33274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 33374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgSkPaint* SkLayerDrawLooper::Builder::addLayer(const LayerInfo& info) { 33474ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fCount += 1; 33574ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 33674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org Rec* rec = SkNEW(Rec); 33774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org rec->fNext = fRecs; 33874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org rec->fInfo = info; 33974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fRecs = rec; 34074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org if (NULL == fTopRec) { 34174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fTopRec = rec; 34274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org } 34374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 34474ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org return &rec->fPaint; 34574ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org} 34674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 34774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgvoid SkLayerDrawLooper::Builder::addLayer(SkScalar dx, SkScalar dy) { 34874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org LayerInfo info; 34974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 35074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org info.fOffset.set(dx, dy); 35174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org (void)this->addLayer(info); 35274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org} 35374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 35474ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgSkPaint* SkLayerDrawLooper::Builder::addLayerOnTop(const LayerInfo& info) { 35574ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fCount += 1; 35674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 35774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org Rec* rec = SkNEW(Rec); 35874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org rec->fNext = NULL; 35974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org rec->fInfo = info; 36074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org if (NULL == fRecs) { 36174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fRecs = rec; 36274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org } else { 36374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org SkASSERT(NULL != fTopRec); 36474ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fTopRec->fNext = rec; 36574ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org } 36674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fTopRec = rec; 36774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 36874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org return &rec->fPaint; 36974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org} 37074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 37174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.orgSkLayerDrawLooper* SkLayerDrawLooper::Builder::detachLooper() { 37274ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org SkLayerDrawLooper* looper = SkNEW(SkLayerDrawLooper); 37374ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org looper->fCount = fCount; 37474ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org looper->fRecs = fRecs; 37574ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 37674ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fCount = 0; 37774ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fRecs = NULL; 37874ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org fTopRec = NULL; 37974ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org 38074ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org return looper; 38174ba2f62dce1998bd6555291ab0a5330c276301dcommit-bot@chromium.org} 382