SkDraw.cpp revision e5f48243bdbed2662be7a31be0888abc273b09e8
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2006 The Android Open Source Project 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com */ 7ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 88a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 98a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBounder.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDevice.h" 152211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com#include "SkFixed.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkMaskFilter.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathEffect.h" 19045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com#include "SkRasterClip.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRasterizer.h" 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScan.h" 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 2376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#include "SkString.h" 248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkStroke.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkTemplatesPriv.h" 2632e5d97ccf60f859db063ebd6e903c362e625767reed@google.com#include "SkTLazy.h" 278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkAutoKern.h" 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBitmapProcShader.h" 318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDrawProcs.h" 32ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#include "SkMatrixUtils.h" 338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//#define TRACE_BITMAP_DRAWS 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define kBlitterStorageLongCount (sizeof(SkBitmapProcShader) >> 2) 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 38fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com/** Helper for allocating small blitters on the stack. 39fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com */ 4040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.comclass SkAutoBlitterChoose : SkNoncopyable { 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 421d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkAutoBlitterChoose() { 431d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com fBlitter = NULL; 441d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose(const SkBitmap& device, const SkMatrix& matrix, 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) { 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fBlitter = SkBlitter::Choose(device, matrix, paint, 488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fStorage, sizeof(fStorage)); 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 50fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoBlitterChoose(); 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* operator->() { return fBlitter; } 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* get() const { return fBlitter; } 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 561d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com void choose(const SkBitmap& device, const SkMatrix& matrix, 571d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com const SkPaint& paint) { 581d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com SkASSERT(!fBlitter); 591d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com fBlitter = SkBlitter::Choose(device, matrix, paint, 601d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com fStorage, sizeof(fStorage)); 611d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 621d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* fBlitter; 658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t fStorage[kBlitterStorageLongCount]; 668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkAutoBlitterChoose::~SkAutoBlitterChoose() { 698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((void*)fBlitter == (void*)fStorage) { 708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fBlitter->~SkBlitter(); 718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDELETE(fBlitter); 738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 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: 8340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint) 8440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com : fPaint(paint) /* makes a copy of the paint */ { 8540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fPaint.setShader(SkShader::CreateBitmapShader(src, 868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader::kClamp_TileMode, SkShader::kClamp_TileMode, 878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fStorage, sizeof(fStorage))); 8840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // we deliberately left the shader with an owner-count of 2 8940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkASSERT(2 == fPaint.getShader()->getRefCnt()); 908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9182065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoBitmapShaderInstall() { 9340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkShader* shader = fPaint.getShader(); 9440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // since we manually destroy shader, we insist that owners == 2 9540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkASSERT(2 == shader->getRefCnt()); 968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fPaint.setShader(NULL); // unref the shader by 1 988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // now destroy to take care of the 2nd owner-count 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((void*)shader == (void*)fStorage) { 1018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader->~SkShader(); 1028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDELETE(shader); 1048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10682065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 10740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com // return the new paint that has the shader applied 10840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& paintWithShader() const { return fPaint; } 10982065d667f64e232bcde2ad849756a6096fcbe6freed@google.com 1108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 11140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint fPaint; // copy of caller's paint (which we then modify) 11240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com uint32_t fStorage[kBlitterStorageLongCount]; 1138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 117f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comSkDraw::SkDraw() { 118f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com sk_bzero(this, sizeof(*this)); 119f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com} 120f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 1218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw::SkDraw(const SkDraw& src) { 1228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memcpy(this, &src, sizeof(*this)); 1238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1254bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.combool SkDraw::computeConservativeLocalClipBounds(SkRect* localBounds) const { 1264bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (fRC->isEmpty()) { 1274bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1284bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1294bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1304bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkMatrix inverse; 1314bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (!fMatrix->invert(&inverse)) { 1324bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return false; 1334bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 1344bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1354bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkIRect devBounds = fRC->getBounds(); 1364bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com // outset to have slop for antialasing and hairlines 1374bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com devBounds.outset(1, 1); 1384bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com inverse.mapRect(localBounds, SkRect::Make(devBounds)); 1394bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com return true; 1404bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com} 1414bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*BitmapXferProc)(void* pixels, size_t bytes, uint32_t data); 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Clear_BitmapXferProc(void* pixels, size_t bytes, uint32_t) { 1474516f4786f5dda1b86a8f825b9e8e910d9c2363creed@android.com sk_bzero(pixels, bytes); 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Dst_BitmapXferProc(void*, size_t, uint32_t data) {} 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D32_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sk_memset32((uint32_t*)pixels, data, bytes >> 2); 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D16_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sk_memset16((uint16_t*)pixels, data, bytes >> 1); 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void DA8_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(pixels, data, bytes); 1628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap, 1658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t* data) { 1678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // todo: we can apply colorfilter up front if no shader, so we wouldn't 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to abort this fastpath 1698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getShader() || paint.getColorFilter()) { 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 173845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com SkXfermode::Mode mode; 174be2aa2aa1f8bf73d974bdd9438fc741bbf0cfbe6mike@reedtribe.org if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { 1758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 177a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor color = paint.getColor(); 179a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // collaps modes based on color... 181845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com if (SkXfermode::kSrcOver_Mode == mode) { 1828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned alpha = SkColorGetA(color); 1838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == alpha) { 184845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kDst_Mode; 1858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (0xFF == alpha) { 186845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kSrc_Mode; 1878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 189a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 191845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kClear_Mode: 1928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Clear_BitmapXferProc\n"); 1938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Clear_BitmapXferProc; // ignore data 194845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kDst_Mode: 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Dst_BitmapXferProc\n"); 1968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Dst_BitmapXferProc; // ignore data 197845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kSrc_Mode: { 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 199a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com should I worry about dithering for the lower depths? 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor pmc = SkPreMultiplyColor(color); 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (bitmap.config()) { 2038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_8888_Config: 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = pmc; 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D32_Src_BitmapXferProc\n"); 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D32_Src_BitmapXferProc; 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_4444_Config: 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel4444(pmc); 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kRGB_565_Config: 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel16(pmc); 2188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kA8_Config: 2228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkGetPackedA32(pmc); 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- DA8_Src_BitmapXferProc\n"); 2268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return DA8_Src_BitmapXferProc; 2278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 2368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void CallBitmapXferProc(const SkBitmap& bitmap, const SkIRect& rect, 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com BitmapXferProc proc, uint32_t procData) { 2408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int shiftPerPixel; 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (bitmap.config()) { 2428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_8888_Config: 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 2; 2448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_4444_Config: 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kRGB_565_Config: 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 1; 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kA8_Config: 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 0; 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2530c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("Can't use xferproc on this config"); 2548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint8_t* pixels = (uint8_t*)bitmap.getPixels(); 2588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pixels); 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t rowBytes = bitmap.rowBytes(); 2608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const int widthBytes = rect.width() << shiftPerPixel; 2618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // skip down to the first scanline and X position 2638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rect.fTop * rowBytes + (rect.fLeft << shiftPerPixel); 2648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int scans = rect.height() - 1; scans >= 0; --scans) { 2658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(pixels, widthBytes, procData); 2668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rowBytes; 2678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPaint(const SkPaint& paint) const { 271f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 2728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 2748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devRect; 2788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devRect.set(0, 0, fBitmap->width(), fBitmap->height()); 2798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(devRect)) { 2808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 282a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 283045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 284045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com /* If we don't have a shader (i.e. we're just a solid color) we may 285045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com be faster to operate directly on the device bitmap, rather than invoking 286045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com a blitter. Esp. true for xfermodes, which require a colorshader to be 287045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com present, which is just redundant work. Since we're drawing everywhere 288045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com in the clip, we don't have to worry about antialiasing. 289045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com */ 290045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t procData = 0; // to avoid the warning 291045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com BitmapXferProc proc = ChooseBitmapXferProc(*fBitmap, paint, &procData); 292045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (proc) { 293045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (D_Dst_BitmapXferProc == proc) { // nothing to do 294045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 295045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 296a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 297045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRegion::Iterator iter(fRC->bwRgn()); 298045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com while (!iter.done()) { 299045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com CallBitmapXferProc(*fBitmap, iter.rect(), proc, procData); 300045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com iter.next(); 301045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 302045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 305045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 306045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // normal case: use a blitter 307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(devRect, *fRC, blitter.get()); 3098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 3128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct PtProcRec { 3148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas::PointMode fMode; 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint* fPaint; 3168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRegion* fClip; 317045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip* fRC; 318a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // computed values 3208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fRadius; 321a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const PtProcRec&, const SkPoint devPts[], int count, 3238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 3248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool init(SkCanvas::PointMode, const SkPaint&, const SkMatrix* matrix, 326045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip*); 327045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com Proc chooseProc(SkBlitter** blitter); 328045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 329045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comprivate: 330045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper fWrapper; 3318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(rec.fClip->isRect()); 3368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkIRect& r = rec.fClip->getBounds(); 337a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3392d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3402d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_16_hair_proc(const PtProcRec& rec, 3488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint devPts[], int count, 3498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter) { 350045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(rec.fRC->isRect()); 351045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 3538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(bitmap); 355c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint16_t* addr = bitmap->getAddr16(0, 0); 357e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com size_t rb = bitmap->rowBytes(); 358c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3602d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3612d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ((uint16_t*)((char*)addr + y * rb))[x] = SkToU16(value); 3648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3682d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.comstatic void bw_pt_rect_32_hair_proc(const PtProcRec& rec, 3692d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkPoint devPts[], int count, 3702d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkBlitter* blitter) { 3712d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(rec.fRC->isRect()); 3722d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3732d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com uint32_t value; 3742d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3752d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(bitmap); 376c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3772d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkPMColor* addr = bitmap->getAddr32(0, 0); 378e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com size_t rb = bitmap->rowBytes(); 379c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3802d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com for (int i = 0; i < count; i++) { 3812d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3822d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3832d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (r.contains(x, y)) { 3842d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com ((SkPMColor*)((char*)addr + y * rb))[x] = value; 3852d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3862d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3872d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com} 3882d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com 3898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int x = SkScalarFloor(devPts[i].fX); 3938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int y = SkScalarFloor(devPts[i].fY); 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (rec.fClip->contains(x, y)) { 3958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 403045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 410045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// aa versions 4158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 419045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 426045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// square procs (strokeWidth > 0 but matrix is square-scale (sx == sy) 4318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 438c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 4398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 444c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 445045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillXRect(r, *rec.fRC, blitter); 4468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 455a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 4568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 461a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 462045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiFillXRect(r, *rec.fRC, blitter); 4638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 466b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com// If this guy returns true, then chooseProc() must return a valid proc 4678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool PtProcRec::init(SkCanvas::PointMode mode, const SkPaint& paint, 468045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkMatrix* matrix, const SkRasterClip* rc) { 4698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect()) { 4708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.getStrokeWidth(); 4738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == width) { 4748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 476045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 477045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4782d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com fRadius = SK_FixedHalf; 4798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 481b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com if (paint.getStrokeCap() != SkPaint::kRound_Cap && 482b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com matrix->rectStaysRect() && SkCanvas::kPoints_PointMode == mode) { 4838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = matrix->get(SkMatrix::kMScaleX); 4848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = matrix->get(SkMatrix::kMScaleY); 4858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkScalarNearlyZero(sx - sy)) { 4868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (sx < 0) { 4878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sx = -sx; 4888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 492045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 493045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRadius = SkScalarToFixed(SkScalarMul(width, sx)) >> 1; 4958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 501045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comPtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) { 502b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com Proc proc = NULL; 503a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 504045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = *blitterPtr; 505045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 506045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fRC->bwRgn(); 507045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 508045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fWrapper.init(*fRC, blitter); 509045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fWrapper.getRgn(); 510045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = fWrapper.getBlitter(); 511045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com *blitterPtr = blitter; 512045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 513045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 5148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // for our arrays 5158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == SkCanvas::kPoints_PointMode); 5168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == SkCanvas::kLines_PointMode); 5178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(2 == SkCanvas::kPolygon_PointMode); 5188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)fMode <= (unsigned)SkCanvas::kPolygon_PointMode); 5198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5202d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fPaint->isAntiAlias()) { 5212d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (0 == fPaint->getStrokeWidth()) { 5228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const Proc gAAProcs[] = { 5238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com aa_square_proc, aa_line_hair_proc, aa_poly_hair_proc 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gAAProcs[fMode]; 5262d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (fPaint->getStrokeCap() != SkPaint::kRound_Cap) { 5272d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(SkCanvas::kPoints_PointMode == fMode); 5282d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = aa_square_proc; 5292d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 5302d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else { // BW 5312d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fRadius <= SK_FixedHalf) { // small radii and hairline 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) { 5338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 5348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bm = blitter->justAnOpaqueColor(&value); 5352d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (bm && SkBitmap::kRGB_565_Config == bm->config()) { 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_16_hair_proc; 5372d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (bm && SkBitmap::kARGB_8888_Config == bm->config()) { 5382d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = bw_pt_rect_32_hair_proc; 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_hair_proc; 5418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static Proc gBWProcs[] = { 5448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bw_pt_hair_proc, bw_line_hair_proc, bw_poly_hair_proc 5458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gBWProcs[fMode]; 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_square_proc; 5508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return proc; 5538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool bounder_points(SkBounder* bounder, SkCanvas::PointMode mode, 5568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t count, const SkPoint pts[], 5578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, const SkMatrix& matrix) { 5588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect ibounds; 5598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect bounds; 5608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar inset = paint.getStrokeWidth(); 5618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(pts, count); 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.inset(-inset, -inset); 5648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapRect(&bounds); 5658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.roundOut(&ibounds); 5678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return bounder->doIRect(ibounds); 5688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// each of these costs 8-bytes of stack space, so don't make it too large 5718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// must be even for lines/polygon to work 5728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define MAX_DEV_PTS 32 5738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count, 575f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkPoint pts[], const SkPaint& paint, 576f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com bool forceUseDevice) const { 5778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we're in lines mode, force count to be even 5788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kLines_PointMode == mode) { 5798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count &= ~(size_t)1; 5808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((long)count <= 0) { 5838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 585a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pts != NULL); 587f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 588a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 590045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 5918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 594fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com if (fBounder) { 595fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com if (!bounder_points(fBounder, mode, count, pts, paint, *fMatrix)) { 596fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return; 597fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com } 598fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 599fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com // clear the bounder and call this again, so we don't invoke the bounder 600fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com // later if we happen to call ourselves for drawRect, drawPath, etc. 601fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com SkDraw noBounder(*this); 602fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com noBounder.fBounder = NULL; 603fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com noBounder.drawPoints(mode, count, pts, paint, forceUseDevice); 604fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return; 605fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com } 606fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 6078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com PtProcRec rec; 608045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) { 6098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 6108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint devPts[MAX_DEV_PTS]; 6128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 6138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* bltr = blitter.get(); 614045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com PtProcRec::Proc proc = rec.chooseProc(&bltr); 6158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // we have to back up subsequent passes if we're in polygon mode 6168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t backup = (SkCanvas::kPolygon_PointMode == mode); 617a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com do { 6198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t n = count; 6208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (n > MAX_DEV_PTS) { 6218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n = MAX_DEV_PTS; 6228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix->mapPoints(devPts, pts, n); 6248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(rec, devPts, n, bltr); 6258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts += n - backup; 6268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(count >= n); 6278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= n; 6288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (count > 0) { 6298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += backup; 6308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } while (count != 0); 6328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 6348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPoints_PointMode: { 6358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // temporarily mark the paint as filling. 63640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint newPaint(paint); 63740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com newPaint.setStyle(SkPaint::kFill_Style); 6388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 63940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkScalar width = newPaint.getStrokeWidth(); 6408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar radius = SkScalarHalf(width); 641a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 64240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 6438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 6448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix preMatrix; 645a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.addCircle(0, 0, radius); 6478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com preMatrix.setTranslate(pts[i].fX, pts[i].fY); 6498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // pass true for the last point, since we can modify 6508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // then path then 651f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 65240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawPath(*this, path, newPaint, &preMatrix, 653f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com (count-1) == i); 654f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 65540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawPath(path, newPaint, &preMatrix, 65640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com (count-1) == i); 657f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 661a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = pts[i].fX - radius; 6648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = pts[i].fY - radius; 6658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = r.fLeft + width; 6668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = r.fTop + width; 667f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 66840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawRect(*this, r, newPaint); 669f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 67040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawRect(r, newPaint); 671f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 6758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kLines_PointMode: 677629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#ifndef SK_DISABLE_DASHING_OPTIMIZATION 678629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com if (2 == count && NULL != paint.getPathEffect()) { 679629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // most likely a dashed line - see if it is one of the ones 680629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // we can accelerate 681629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkStrokeRec rec(paint); 6826d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkPathEffect::PointData pointData; 683629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 684629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPath path; 685629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.moveTo(pts[0]); 686629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.lineTo(pts[1]); 687629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6884bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect = SkRect::Make(fRC->getBounds()); 6894024f32d99b63a599c544a49f526e53c25135159skia.committer@gmail.com 6904bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (paint.getPathEffect()->asPoints(&pointData, path, rec, 6914bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com *fMatrix, &cullRect)) { 6926d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // 'asPoints' managed to find some fast path 6936d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 694629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPaint newP(paint); 695629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com newP.setPathEffect(NULL); 696935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com newP.setStyle(SkPaint::kFill_Style); 697629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6986d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fFirst.isEmpty()) { 6996d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7006d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fFirst, newP); 7016d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7026d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fFirst, newP); 7036d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 704629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 7056d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7066d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fLast.isEmpty()) { 7076d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7086d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fLast, newP); 7096d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7106d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fLast, newP); 7116d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7126d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7136d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7146d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (pointData.fSize.fX == pointData.fSize.fY) { 7156d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line can just be drawn as points 7166d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkASSERT(pointData.fSize.fX == SkScalarHalf(newP.getStrokeWidth())); 7176d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7186d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (SkPathEffect::PointData::kCircles_PointFlag & pointData.fFlags) { 7196d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kRound_Cap); 7206d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7216d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kButt_Cap); 7226d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7236d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7246d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7257a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com fDevice->drawPoints(*this, 7266d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkCanvas::kPoints_PointMode, 7276d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 7286d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 7296d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP); 7306d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7316d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPoints(SkCanvas::kPoints_PointMode, 7326d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 7336d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 7346d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP, 7356d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com forceUseDevice); 7366d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7376d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com break; 738935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } else { 7396d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line must be drawn as rects 7407a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com SkASSERT(!(SkPathEffect::PointData::kCircles_PointFlag & 7416d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fFlags)); 7426d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7436d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkRect r; 7446d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7456d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com for (int i = 0; i < pointData.fNumPoints; ++i) { 7466d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com r.set(pointData.fPoints[i].fX - pointData.fSize.fX, 7476d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY - pointData.fSize.fY, 7486d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fX + pointData.fSize.fX, 7496d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY + pointData.fSize.fY); 7506d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7516d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawRect(*this, r, newP); 7526d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7536d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawRect(r, newP); 7546d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7556d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 756935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } 7576d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 758629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com break; 759629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 760629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 761629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#endif // DISABLE_DASHING_OPTIMIZATION 762629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // couldn't take fast path so fall through! 7638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPolygon_PointMode: { 7648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= 1; 7658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 7668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 7678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setStyle(SkPaint::kStroke_Style); 7688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t inc = (SkCanvas::kLines_PointMode == mode) ? 2 : 1; 7698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i += inc) { 7708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.moveTo(pts[i]); 7718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.lineTo(pts[i+1]); 772f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 773f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fDevice->drawPath(*this, path, p, NULL, true); 774f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 775f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com this->drawPath(path, p, NULL, true); 776f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 7778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.rewind(); 7788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 7808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic inline SkPoint* as_lefttop(SkRect* r) { 7868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return (SkPoint*)(void*)r; 7878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic inline SkPoint* as_rightbottom(SkRect* r) { 7908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return ((SkPoint*)(void*)r) + 1; 7918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 793761fb62b0eb174783316d2a8b933fba896ca6355reed@google.comstatic bool easy_rect_join(const SkPaint& paint, const SkMatrix& matrix, 794761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint* strokeSize) { 795761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com if (SkPaint::kMiter_Join != paint.getStrokeJoin() || 796761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com paint.getStrokeMiter() < SK_ScalarSqrt2) { 797761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return false; 798761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com } 799fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 800761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkASSERT(matrix.rectStaysRect()); 801761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint pt = { paint.getStrokeWidth(), paint.getStrokeWidth() }; 802761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com matrix.mapVectors(strokeSize, &pt, 1); 8036115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fX = SkScalarAbs(strokeSize->fX); 8046115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fY = SkScalarAbs(strokeSize->fY); 805761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return true; 8067ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org} 8077ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 80862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comSkDraw::RectType SkDraw::ComputeRectType(const SkPaint& paint, 80962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const SkMatrix& matrix, 81062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint* strokeSize) { 8117ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org RectType rtype; 8127ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org const SkScalar width = paint.getStrokeWidth(); 81362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const bool zeroWidth = (0 == width); 8147ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::Style style = paint.getStyle(); 815fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 8167ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if ((SkPaint::kStrokeAndFill_Style == style) && zeroWidth) { 8177ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org style = SkPaint::kFill_Style; 8187ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 819fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 8208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect() || paint.getMaskFilter() || 82162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com paint.getRasterizer() || !matrix.rectStaysRect() || 8227ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::kStrokeAndFill_Style == style) { 82362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com rtype = kPath_RectType; 82462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (SkPaint::kFill_Style == style) { 8257ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kFill_RectType; 8267ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else if (zeroWidth) { 8277ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kHair_RectType; 82862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (easy_rect_join(paint, matrix, strokeSize)) { 8297ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kStroke_RectType; 8307ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 8317ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kPath_RectType; 8327ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 83362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return rtype; 83462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com} 83562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8367324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic const SkPoint* rect_points(const SkRect& r) { 8377324415759fe0c5a0902877b664aa942a89bd940reed@google.com return (const SkPoint*)(void*)&r; 8387324415759fe0c5a0902877b664aa942a89bd940reed@google.com} 8397324415759fe0c5a0902877b664aa942a89bd940reed@google.com 8407324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic SkPoint* rect_points(SkRect& r) { 8417324415759fe0c5a0902877b664aa942a89bd940reed@google.com return (SkPoint*)(void*)&r; 84240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com} 84340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com 84462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comvoid SkDraw::drawRect(const SkRect& rect, const SkPaint& paint) const { 84562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkDEBUGCODE(this->validate();) 8467ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 84762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com // nothing to draw 848045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 84962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return; 85062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } 85162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 85262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint strokeSize; 85362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com RectType rtype = ComputeRectType(paint, *fMatrix, &strokeSize); 85462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8557ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (kPath_RectType == rtype) { 8568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmp; 8578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.addRect(rect); 8588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.setFillType(SkPath::kWinding_FillType); 859187d5595901d1120d9425851e5afdd773f574502reed@android.com this->drawPath(tmp, paint, NULL, true); 8608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix = *fMatrix; 8648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect devRect; 8658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform rect into devRect 8677324415759fe0c5a0902877b664aa942a89bd940reed@google.com matrix.mapPoints(rect_points(devRect), rect_points(rect), 2); 8687324415759fe0c5a0902877b664aa942a89bd940reed@google.com devRect.sort(); 8698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doRect(devRect, paint)) { 8718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // look for the quick exit, before we build a blitter 8757324415759fe0c5a0902877b664aa942a89bd940reed@google.com if (true) { 8768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect ir; 8778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devRect.roundOut(&ir); 87855e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com if (paint.getStyle() != SkPaint::kFill_Style) { 87955e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com // extra space for hairlines 88055e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com ir.inset(-1, -1); 88155e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com } 882045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(ir)) 8838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitterStorage(*fBitmap, matrix, paint); 887045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 8888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter = blitterStorage.get(); 8898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 890b641c9f20beb36dbf4e8df53a199c84cef3be9b2reed@android.com // we want to "fill" if we are kFill or kStrokeAndFill, since in the latter 891b641c9f20beb36dbf4e8df53a199c84cef3be9b2reed@android.com // case we are also hairline (if we've gotten to here), which devolves to 892b641c9f20beb36dbf4e8df53a199c84cef3be9b2reed@android.com // effectively just kFill 8937ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org switch (rtype) { 8947ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org case kFill_RectType: 8957ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (paint.isAntiAlias()) { 8967ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::AntiFillRect(devRect, clip, blitter); 8977ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 8987ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::FillRect(devRect, clip, blitter); 8997ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 9007ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org break; 9017ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org case kStroke_RectType: 9027ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (paint.isAntiAlias()) { 903761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkScan::AntiFrameRect(devRect, strokeSize, clip, blitter); 9047ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 905761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkScan::FrameRect(devRect, strokeSize, clip, blitter); 9067ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 9077ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org break; 9087ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org case kHair_RectType: 9097ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (paint.isAntiAlias()) { 9107ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::AntiHairRect(devRect, clip, blitter); 9117ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 9127ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::HairRect(devRect, clip, blitter); 9137ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 9147ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org break; 9157ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org default: 9160c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("bad rtype"); 9178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const { 9218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (srcM.fBounds.isEmpty()) { 9228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9250a60b3d32eae945688b69599f11679662657f751bungeman@google.com const SkMask* mask = &srcM; 9268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9270a60b3d32eae945688b69599f11679662657f751bungeman@google.com SkMask dstM; 9288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getMaskFilter() && 9298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.getMaskFilter()->filterMask(&dstM, srcM, *fMatrix, NULL)) { 9308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask = &dstM; 931bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com } else { 932bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com dstM.fImage = NULL; 9338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 93402f55841854ae32f21a13417e9ee711463e488cfbungeman@google.com SkAutoMaskFreeImage ami(dstM.fImage); 9358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(mask->fBounds)) { 9378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 940045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser(*fBitmap, *fMatrix, paint); 941045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = blitterChooser.get(); 942045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 943045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 944045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRegion* clipRgn; 9458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 946045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 947045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &fRC->bwRgn(); 948045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 949045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 950045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &wrapper.getRgn(); 951045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 952045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 953045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter->blitMaskRegion(*mask, *clipRgn); 9548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 956ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.comstatic SkScalar fast_len(const SkVector& vec) { 957ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar x = SkScalarAbs(vec.fX); 958ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar y = SkScalarAbs(vec.fY); 959ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com if (x < y) { 960ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkTSwap(x, y); 961ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 962ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return x + SkScalarHalf(y); 963ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 964ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 965ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.comstatic bool xfermodeSupportsCoverageAsAlpha(SkXfermode* xfer) { 966ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com SkXfermode::Coeff dc; 967ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (!SkXfermode::AsCoeff(xfer, NULL, &dc)) { 968ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 969ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 970fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 971ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com switch (dc) { 972ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kOne_Coeff: 973ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISA_Coeff: 974ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISC_Coeff: 975ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return true; 976ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com default: 977ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 978ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 979ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com} 980ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 981ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.combool SkDrawTreatAsHairline(const SkPaint& paint, const SkMatrix& matrix, 982dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar* coverage) { 983dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkASSERT(coverage); 984ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (SkPaint::kStroke_Style != paint.getStyle()) { 985ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 986ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 987ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com SkScalar strokeWidth = paint.getStrokeWidth(); 988ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (0 == strokeWidth) { 989dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com *coverage = SK_Scalar1; 990ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return true; 991ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 992ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 993ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com // if we get here, we need to try to fake a thick-stroke with a modulated 994ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com // hairline 995ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 996ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (!paint.isAntiAlias()) { 997ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 998ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 9998d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com if (matrix.hasPerspective()) { 1000ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 1001ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 1002ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 1003ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkVector src[2], dst[2]; 1004ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[0].set(strokeWidth, 0); 1005ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[1].set(0, strokeWidth); 1006ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com matrix.mapVectors(dst, src, 2); 1007ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len0 = fast_len(dst[0]); 1008ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len1 = fast_len(dst[1]); 1009652807bbc8c57e5fa9622126b51fd369f5c67935agl@chromium.org if (len0 <= SK_Scalar1 && len1 <= SK_Scalar1) { 1010dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com *coverage = SkScalarAve(len0, len1); 1011ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return true; 1012ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 1013ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 1014ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 1015ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 101632e5d97ccf60f859db063ebd6e903c362e625767reed@google.comvoid SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint, 10178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* prePathMatrix, bool pathIsMutable) const { 1018f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 10198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1021045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 10228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* pathPtr = (SkPath*)&origSrcPath; 10268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool doFill = true; 10278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmpPath; 10288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix tmpMatrix; 10298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 10308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (prePathMatrix) { 103232e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (origPaint.getPathEffect() || origPaint.getStyle() != SkPaint::kFill_Style || 103332e5d97ccf60f859db063ebd6e903c362e625767reed@google.com origPaint.getRasterizer()) { 10348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* result = pathPtr; 1035a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!pathIsMutable) { 10378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com result = &tmpPath; 10388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathIsMutable = true; 10398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*prePathMatrix, result); 10418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = result; 10428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 10438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!tmpMatrix.setConcat(*matrix, *prePathMatrix)) { 10448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overflow 10458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix = &tmpMatrix; 10488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // at this point we're done with prePathMatrix 10518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) 1052a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10535dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1054a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1055ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com { 1056dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar coverage; 1057dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SkDrawTreatAsHairline(origPaint, *matrix, &coverage)) { 1058dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SK_Scalar1 == coverage) { 10595dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com paint.writable()->setStrokeWidth(0); 1060dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } else if (xfermodeSupportsCoverageAsAlpha(origPaint.getXfermode())) { 1061dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com U8CPU newAlpha; 1062dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#if 0 1063dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = SkToU8(SkScalarRoundToInt(coverage * 1064dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com origPaint.getAlpha())); 1065dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#else 1066dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // this is the old technique, which we preserve for now so 1067dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // we don't change previous results (testing) 1068dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // the new way seems fine, its just (a tiny bit) different 1069dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com int scale = (int)SkScalarMul(coverage, 256); 1070dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = origPaint.getAlpha() * scale >> 8; 1071dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#endif 10725dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkPaint* writablePaint = paint.writable(); 10735dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setStrokeWidth(0); 10745dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setAlpha(newAlpha); 1075dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } 10768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1078a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 107932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { 10804bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com SkRect cullRect; 10814bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com const SkRect* cullRectPtr = NULL; 10824bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com if (this->computeConservativeLocalClipBounds(&cullRect)) { 10834bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com cullRectPtr = &cullRect; 10844bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com } 10854bbdeac58cc928dc66296bde3bd06e78070d96b7reed@google.com doFill = paint->getFillPath(*pathPtr, &tmpPath, cullRectPtr); 10868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = &tmpPath; 10878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1088a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 108932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()) { 10908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 109132e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()->rasterize(*pathPtr, *matrix, 1092045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com &fRC->getBounds(), paint->getMaskFilter(), &mask, 10938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::kComputeBoundsAndRenderImage_CreateMode)) { 109432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com this->drawDevMask(mask, *paint); 10958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::FreeImage(mask.fImage); 10968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // avoid possibly allocating a new path in transform if we can 11018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; 11028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform the path into device space 11048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*matrix, devPathPtr); 11058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 110632e5d97ccf60f859db063ebd6e903c362e625767reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, *paint); 11078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11082ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()) { 1109fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkPaint::Style style = doFill ? SkPaint::kFill_Style : 11102ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::kStroke_Style; 11112ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()->filterPath(*devPathPtr, *fMatrix, *fRC, 11122ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org fBounder, blitter.get(), 11132ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org style)) { 11142ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org return; // filterPath() called the blitter, so we're done 11152ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org } 11168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 111832e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (fBounder && !fBounder->doPath(*devPathPtr, *paint, doFill)) { 11198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1122045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); 11238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 112432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1125045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiFillPath; 11268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1127045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::FillPath; 11288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 113032e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1131045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiHairPath; 11328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1133045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::HairPath; 11348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1136045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc(*devPathPtr, *fRC, blitter.get()); 11378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11390baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com/** For the purposes of drawing bitmaps, if a matrix is "almost" translate 11400baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com go ahead and treat it as if it were, so that subsequent code can go fast. 11410baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com */ 11420baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.comstatic bool just_translate(const SkMatrix& matrix, const SkBitmap& bitmap) { 1143070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com unsigned bits = 0; // TODO: find a way to allow the caller to tell us to 1144070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com // respect filtering. 1145070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com return SkTreatAsSprite(matrix, bitmap.width(), bitmap.height(), bits); 11468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmapAsMask(const SkBitmap& bitmap, 11498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 11508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(bitmap.getConfig() == SkBitmap::kA8_Config); 11518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1152a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com if (just_translate(*fMatrix, bitmap)) { 11538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int ix = SkScalarRound(fMatrix->getTranslateX()); 11548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int iy = SkScalarRound(fMatrix->getTranslateY()); 11558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1156a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com SkAutoLockPixels alp(bitmap); 1157a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com if (!bitmap.readyToDraw()) { 1158a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com return; 1159a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com } 1160a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com 11618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 11628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 11638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 1164e5f48243bdbed2662be7a31be0888abc273b09e8scroggo@google.com mask.fRowBytes = SkToU32(bitmap.rowBytes()); 11658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = bitmap.getAddr8(0, 0); 1166a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 11688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // need to xform the bitmap first 11698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 11708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1171a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, 11738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); 11748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapRect(&r); 11758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.round(&mask.fBounds); 1176a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // set the mask's bounds to the transformed bitmap-bounds, 11788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // clipped to the actual device 11798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 11808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devBounds; 11818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devBounds.set(0, 0, fBitmap->width(), fBitmap->height()); 11828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need intersect(l, t, r, b) on irect 11838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!mask.fBounds.intersect(devBounds)) { 11848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1187543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com 11888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 11898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = SkAlign4(mask.fBounds.width()); 1190543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask.computeImageSize(); 1191543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 1192543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // the mask is too big to allocated, draw nothing 1193543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return; 1194543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 11958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // allocate (and clear) our temp buffer to hold the transformed bitmap 11978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoMalloc storage(size); 11988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = (uint8_t*)storage.get(); 11998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask.fImage, 0, size); 1200a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now draw our bitmap(src) into mask(dst), transformed by the matrix 12028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 12038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap device; 12048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com device.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), 12058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.height(), mask.fRowBytes); 12068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com device.setPixels(mask.fImage); 1207a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas c(device); 12098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need the unclipped top/left for the translate 12108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.translate(-SkIntToScalar(mask.fBounds.fLeft), 12118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 12128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.concat(*fMatrix); 12133469c76c40790b409621fd7eff34f56240718549reed@android.com 12143469c76c40790b409621fd7eff34f56240718549reed@android.com // We can't call drawBitmap, or we'll infinitely recurse. Instead 1215fb12c3e6ba84f95dc15fbaddc239dede0ba1d60ereed@android.com // we manually build a shader and draw that into our new mask 12163469c76c40790b409621fd7eff34f56240718549reed@android.com SkPaint tmpPaint; 12173469c76c40790b409621fd7eff34f56240718549reed@android.com tmpPaint.setFlags(paint.getFlags()); 121840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, tmpPaint); 12193469c76c40790b409621fd7eff34f56240718549reed@android.com SkRect rr; 12203469c76c40790b409621fd7eff34f56240718549reed@android.com rr.set(0, 0, SkIntToScalar(bitmap.width()), 12213469c76c40790b409621fd7eff34f56240718549reed@android.com SkIntToScalar(bitmap.height())); 122240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com c.drawRect(rr, install.paintWithShader()); 12238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 12258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1228045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& m, const SkRasterClip& c, 12298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRect& srcR) { 12308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect dstR; 12318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devIR; 1232a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.mapRect(&dstR, srcR); 1234a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com dstR.roundOut(&devIR); 12358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return c.quickReject(devIR); 12368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1238045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& matrix, const SkRasterClip& clip, 12398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int width, int height) { 12408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height)); 12428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return clipped_out(matrix, clip, r); 12438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1245045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipHandlesSprite(const SkRasterClip& clip, int x, int y, 1246045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkBitmap& bitmap) { 1247045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return clip.isBW() || 1248045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.quickContains(x, y, x + bitmap.width(), y + bitmap.height()); 1249045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1250045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 12518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix, 125240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1253f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 12548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1256045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1258dcd0f3a980095b77ebe605b49777a4bd37ca7b0areed@google.com bitmap.getConfig() == SkBitmap::kNo_Config) { 12598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1261a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1262a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#ifndef SK_ALLOW_OVER_32K_BITMAPS 12638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // run away on too-big bitmaps for now (exceed 16.16) 12648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (bitmap.width() > 32767 || bitmap.height() > 32767) { 12658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1267a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#endif 1268a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 126940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 127040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 1271a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 12738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!matrix.setConcat(*fMatrix, prematrix)) { 12748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1277045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipped_out(matrix, *fRC, bitmap.width(), bitmap.height())) { 12788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1281218521e15706c4377b1be49d931c4d7c8d597445reed@android.com if (fBounder && just_translate(matrix, bitmap)) { 1282218521e15706c4377b1be49d931c4d7c8d597445reed@android.com SkIRect ir; 1283218521e15706c4377b1be49d931c4d7c8d597445reed@android.com int32_t ix = SkScalarRound(matrix.getTranslateX()); 1284218521e15706c4377b1be49d931c4d7c8d597445reed@android.com int32_t iy = SkScalarRound(matrix.getTranslateY()); 1285218521e15706c4377b1be49d931c4d7c8d597445reed@android.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1286218521e15706c4377b1be49d931c4d7c8d597445reed@android.com if (!fBounder->doIRect(ir)) { 1287218521e15706c4377b1be49d931c4d7c8d597445reed@android.com return; 1288218521e15706c4377b1be49d931c4d7c8d597445reed@android.com } 1289218521e15706c4377b1be49d931c4d7c8d597445reed@android.com } 1290218521e15706c4377b1be49d931c4d7c8d597445reed@android.com 12910baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com if (bitmap.getConfig() != SkBitmap::kA8_Config && 12920baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com just_translate(matrix, bitmap)) { 1293f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1294f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // It is safe to call lock pixels now, since we know the matrix is 1295f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // (more or less) identity. 1296f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1297f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com SkAutoLockPixels alp(bitmap); 1298f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com if (!bitmap.readyToDraw()) { 1299f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com return; 1300f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com } 1301045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int ix = SkScalarRound(matrix.getTranslateX()); 1302045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int iy = SkScalarRound(matrix.getTranslateY()); 1303045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipHandlesSprite(*fRC, ix, iy, bitmap)) { 1304045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t storage[kBlitterStorageLongCount]; 1305045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 1306045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com ix, iy, storage, sizeof(storage)); 1307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (blitter) { 1308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoTPlacementDelete<SkBlitter> ad(blitter, storage); 1309045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect ir; 1311045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1312045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1313045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(ir, *fRC, blitter); 1314045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 13158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1318a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now make a temp draw on the stack, and use it 13208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // 13218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 1323a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (bitmap.getConfig() == SkBitmap::kA8_Config) { 13258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawBitmapAsMask(bitmap, paint); 13268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 132740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 13288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(bitmap.width()), 13318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.height())); 1332a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this ok if paint has a rasterizer? 133340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, install.paintWithShader()); 13348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, 133840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1339f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 1340a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1342045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 13438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1344dcd0f3a980095b77ebe605b49777a4bd37ca7b0areed@google.com bitmap.getConfig() == SkBitmap::kNo_Config) { 13458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect bounds; 13498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(x, y, x + bitmap.width(), y + bitmap.height()); 13508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1351045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(bounds)) { 13528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; // nothing to draw 13538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 135540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 135640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 13578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1358045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, bitmap)) { 13598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t storage[kBlitterStorageLongCount]; 13608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 13618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x, y, storage, sizeof(storage)); 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (blitter) { 13648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoTPlacementDelete<SkBlitter> ad(blitter, storage); 13658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(bounds)) { 13678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1370045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(bounds, *fRC, blitter); 13718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 137540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 137640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& shaderPaint = install.paintWithShader(); 13778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // get a scalar version of our rect 13828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(bounds); 13838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // tell the shader our offset 13858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(r.fLeft, r.fTop); 138640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com shaderPaint.getShader()->setLocalMatrix(matrix); 1387a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.reset(); 13908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 13918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // call ourself with a rect 1392a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this OK if paint has a rasterizer? 139340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, shaderPaint); 13948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 13978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScalerContext.h" 13998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGlyphCache.h" 1400e69137620ab0b5b40d230318c8e11b822f63cb9dreed@google.com#include "SkTextToPathIter.h" 14018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 14028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void measure_text(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc, 14048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char text[], size_t byteLength, SkVector* stopVector) { 14058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = 0, y = 0; 14068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 14078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 1409a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 14108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 14118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // don't need x, y here, since all subpixel variants will have the 14128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // same advance 14138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 14148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += autokern.adjust(glyph) + glyph.fAdvanceX; 14168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += glyph.fAdvanceY; 14178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopVector->set(SkFixedToScalar(x), SkFixedToScalar(y)); 14198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(text == stop); 14218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText_asPaths(const char text[], size_t byteLength, 14248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, 14258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1426f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 14278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1428166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 14298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 14318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setScale(iter.getPathScale(), iter.getPathScale()); 14328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(x, y); 14338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 14358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos, prevXPos = 0; 14368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14377b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 14388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(xpos - prevXPos, 0); 14397b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 14407b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com const SkPaint& pnt = iter.getPaint(); 14417b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 14427b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, *iterPath, pnt, &matrix, false); 14437b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 14447b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(*iterPath, pnt, &matrix, false); 14457b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1446f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 14478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com prevXPos = xpos; 14488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// disable warning : local variable used without having been initialized 1452a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#if defined _WIN32 && _MSC_VER >= 1300 14538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( push ) 14548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( disable : 4701 ) 14558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 14568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 14588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_NoBounder_RectClip(const SkDraw1Glyph& state, 1460f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 1461f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph) { 1462f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int left = SkFixedFloor(fx); 1463f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int top = SkFixedFloor(fy); 14648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 146583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(NULL == state.fBounder); 146683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT((NULL == state.fClip && state.fAAClip) || 146783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com (state.fClip && NULL == state.fAAClip && state.fClip->isRect())); 14688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 14708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 14718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int right = left + glyph.fWidth; 14738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int bottom = top + glyph.fHeight; 14748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1475fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkMask mask; 1476fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect storage; 1477fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect* bounds = &mask.fBounds; 147883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 147983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fBounds.set(left, top, right, bottom); 148083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 148183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // this extra test is worth it, assuming that most of the time it succeeds 148283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // since we can avoid writing to storage 148383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!state.fClipBounds.containsNoEmptyCheck(left, top, right, bottom)) { 148483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!storage.intersectNoEmptyCheck(mask.fBounds, state.fClipBounds)) 148583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 148683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com bounds = &storage; 148783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 148883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 148983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com uint8_t* aa = (uint8_t*)glyph.fImage; 149083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 149183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 149283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 149383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; // can't rasterize glyph 14948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 149583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 14968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 149783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 149883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 149983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = aa; 150083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com state.fBlitter->blitMask(mask, *bounds); 15018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_NoBounder_RgnClip(const SkDraw1Glyph& state, 1504f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 150583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkGlyph& glyph) { 1506f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int left = SkFixedFloor(fx); 1507f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int top = SkFixedFloor(fy); 15088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 150983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(!state.fClip->isRect()); 151083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(NULL == state.fBounder); 15118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 15138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 15158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 15168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 151883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 151983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 152083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 152183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 152283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 152383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 152483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 152583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 1526fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com return; 15278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 152883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 152983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 153083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 153183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 153283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 153383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 153483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com state.fBlitter->blitMask(mask, cr); 153583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 153683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 153783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_Bounder(const SkDraw1Glyph& state, 1541f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 154283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkGlyph& glyph) { 1543f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int left = SkFixedFloor(fx); 1544f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int top = SkFixedFloor(fy); 15458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 1546fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1548fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 15508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 1551fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 15538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 1554fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 155583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 155683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 155783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 155883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 155983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 156083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 156183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 15628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1563fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com } 1564fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 1565d055c1fde2128514167b315f4d104b177e04a3dereed@android.com // we need to pass the origin, which we approximate with our 1566d055c1fde2128514167b315f4d104b177e04a3dereed@android.com // (unadjusted) left,top coordinates (the caller called fixedfloor) 156783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (state.fBounder->doIRectGlyph(cr, 1568d055c1fde2128514167b315f4d104b177e04a3dereed@android.com left - glyph.fLeft, 1569d055c1fde2128514167b315f4d104b177e04a3dereed@android.com top - glyph.fTop, glyph)) { 157083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 157183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 157283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 157383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 157483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com state.fBlitter->blitMask(mask, cr); 157583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 157683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 157783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 157883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1581045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic void D1G_Bounder_AAClip(const SkDraw1Glyph& state, 1582045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkFixed fx, SkFixed fy, 1583045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkGlyph& glyph) { 1584045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int left = SkFixedFloor(fx); 1585045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int top = SkFixedFloor(fy); 1586045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect bounds; 1587045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com bounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 1588045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1589045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (state.fBounder->doIRectGlyph(bounds, left, top, glyph)) { 1590045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com D1G_NoBounder_RectClip(state, fx, fy, glyph); 1591045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1592045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1593045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1594fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool hasCustomD1GProc(const SkDraw& draw) { 1595fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return draw.fProcs && draw.fProcs->fD1GProc; 1596fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1597fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 1598fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool needsRasterTextBlit(const SkDraw& draw) { 1599fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return !hasCustomD1GProc(draw); 1600fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1601fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 16028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw1Glyph::Proc SkDraw1Glyph::init(const SkDraw* draw, SkBlitter* blitter, 16038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache) { 16048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDraw = draw; 16052211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBounder = draw->fBounder; 16062211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBlitter = blitter; 16072211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fCache = cache; 16088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16099447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (cache->isSubpixel()) { 16109447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fHalfSampleX = fHalfSampleY = (SK_FixedHalf >> SkGlyph::kSubBits); 16119447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else { 16129447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fHalfSampleX = fHalfSampleY = SK_FixedHalf; 16139447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 16149447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 16151d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (hasCustomD1GProc(*draw)) { 1616045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // todo: fix this assumption about clips w/ custom 1617045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = draw->fClip; 1618045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 16198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return draw->fProcs->fD1GProc; 16208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1622045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (draw->fRC->isBW()) { 1623045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = NULL; 1624045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &draw->fRC->bwRgn(); 1625045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 1626045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == fBounder) { 1627045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fClip->isRect()) { 1628045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_NoBounder_RectClip; 1629045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1630045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_NoBounder_RgnClip; 1631045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1632045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1633045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_Bounder; 1634045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1635045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { // aaclip 1636045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = &draw->fRC->aaRgn(); 1637045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 1638045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fAAClip->getBounds(); 1639045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == fBounder) { 16408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D1G_NoBounder_RectClip; 16418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1642045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_Bounder_AAClip; 16438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 16488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText(const char text[], size_t byteLength, 16508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint) const { 16518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 16528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1653f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 16548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1656045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 16578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 166036d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // SkScalarRec doesn't currently have a way of representing hairline stroke and 166136d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // will fill if its frame-width is 0. 16628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (/*paint.isLinearText() ||*/ 1663fc84359aa920567e72742877a1249f52d076ad35skia.committer@gmail.com (fMatrix->hasPerspective()) || 166436d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com (0 == paint.getStrokeWidth() && SkPaint::kStroke_Style == paint.getStyle())) { 16658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawText_asPaths(text, byteLength, x, y, paint); 16668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 16708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16719447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, fMatrix); 16728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1673a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 16748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform our starting point 16758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 16768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint loc; 16779447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fMatrix->mapXY(x, y, &loc); 16788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = loc.fX; 16798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y = loc.fY; 16808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 16838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 16848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector stop; 16858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com measure_text(cache, glyphCacheProc, text, byteLength, &stop); 16878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopX = stop.fX; 16898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopY = stop.fY; 16908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 16928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopX = SkScalarHalf(stopX); 16938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopY = SkScalarHalf(stopY); 16948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x -= stopX; 16968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y -= stopY; 16978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1698a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 16998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 17008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1701045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitter aaBlitter; 1702045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1703045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 17041d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 17059447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com blitterChooser.choose(*fBitmap, *fMatrix, paint); 1706045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1707045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1708045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com aaBlitter.init(blitter, &fRC->aaRgn()); 1709045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = &aaBlitter; 1710045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 17111d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 17121d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 17138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 171452c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com SkDraw1Glyph d1g; 1715045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache); 17168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17179447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fxMask = ~0; 17189447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fyMask = ~0; 17199447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (cache->isSubpixel()) { 17209447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*fMatrix); 17219447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (kX_SkAxisAlignment == baseline) { 17229447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fyMask = 0; 17239447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleY = SK_FixedHalf; 17249447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else if (kY_SkAxisAlignment == baseline) { 17259447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fxMask = 0; 17269447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleX = SK_FixedHalf; 17279447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 17289447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 17299447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 17309447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = SkScalarToFixed(x) + d1g.fHalfSampleX; 17319447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = SkScalarToFixed(y) + d1g.fHalfSampleY; 17329447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 17338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 17342211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask); 17358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += autokern.adjust(glyph); 17378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 173952c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com proc(d1g, fx, fy, glyph); 17408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += glyph.fAdvanceX; 17428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fy += glyph.fAdvanceY; 17438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// last parameter is interpreted as SkFixed [x, y] 17478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// return the fixed position, which may be rounded or not by the caller 17488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// e.g. subpixel doesn't round 17498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*AlignProc)(const SkPoint&, const SkGlyph&, SkIPoint*); 17508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void leftAlignProc(const SkPoint& loc, const SkGlyph& glyph, 17528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint* dst) { 17538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX), SkScalarToFixed(loc.fY)); 17548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void centerAlignProc(const SkPoint& loc, const SkGlyph& glyph, 17578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint* dst) { 17588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX) - (glyph.fAdvanceX >> 1), 17598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalarToFixed(loc.fY) - (glyph.fAdvanceY >> 1)); 17608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void rightAlignProc(const SkPoint& loc, const SkGlyph& glyph, 17638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint* dst) { 17648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX) - glyph.fAdvanceX, 17658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalarToFixed(loc.fY) - glyph.fAdvanceY); 17668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic AlignProc pick_align_proc(SkPaint::Align align) { 17698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const AlignProc gProcs[] = { 17708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com leftAlignProc, centerAlignProc, rightAlignProc 17718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 1772a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)align < SK_ARRAY_COUNT(gProcs)); 17748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return gProcs[align]; 17768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass TextMapState { 17798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 17808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mutable SkPoint fLoc; 1781a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TextMapState(const SkMatrix& matrix, SkScalar y) 17838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fMatrix(matrix), fProc(matrix.getMapXYProc()), fY(y) {} 17848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const TextMapState&, const SkScalar pos[]); 1786a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Proc pickProc(int scalarsPerPosition); 1788a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 17908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& fMatrix; 17918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc fProc; 17928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fY; // ignored by MapXYProc 17938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // these are only used by Only... procs 17948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fScaleX, fTransX, fTransformedY; 17958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapXProc(const TextMapState& state, const SkScalar pos[]) { 17978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fProc(state.fMatrix, *pos, state.fY, &state.fLoc); 17988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1799a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapXYProc(const TextMapState& state, const SkScalar pos[]) { 18018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fProc(state.fMatrix, pos[0], pos[1], &state.fLoc); 18028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1803a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapOnlyScaleXProc(const TextMapState& state, 18058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[]) { 18068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fLoc.set(SkScalarMul(state.fScaleX, *pos) + state.fTransX, 18078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fTransformedY); 18088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1809a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapOnlyTransXProc(const TextMapState& state, 18118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[]) { 18128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fLoc.set(*pos + state.fTransX, state.fTransformedY); 18138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 18158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comTextMapState::Proc TextMapState::pickProc(int scalarsPerPosition) { 18178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 1818a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (1 == scalarsPerPosition) { 18208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned mtype = fMatrix.getType(); 18218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (mtype & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)) { 18228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return MapXProc; 18238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fScaleX = fMatrix.getScaleX(); 18258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTransX = fMatrix.getTranslateX(); 18268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTransformedY = SkScalarMul(fY, fMatrix.getScaleY()) + 18278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix.getTranslateY(); 18288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return (mtype & SkMatrix::kScale_Mask) ? 18298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com MapOnlyScaleXProc : MapOnlyTransXProc; 18308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return MapXYProc; 18338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 18378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPosText(const char text[], size_t byteLength, 18398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[], SkScalar constY, 18408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scalarsPerPosition, const SkPaint& paint) const { 18418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 18428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 18438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1844f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 18458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1847045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 18488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 18498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (/*paint.isLinearText() ||*/ 18528d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com (fMatrix->hasPerspective())) { 18538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // TODO !!!! 18548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// this->drawText_asPaths(text, byteLength, x, y, paint); 18558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 18568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 18599447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, fMatrix); 18608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1861a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1862045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 1863045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1864045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 18651d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 18669447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com blitterChooser.choose(*fBitmap, *fMatrix, paint); 1867045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1868045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1869045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 1870045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 1871045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 18721d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 1873fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 18748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 18758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com AlignProc alignProc = pick_align_proc(paint.getTextAlign()); 18762211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkDraw1Glyph d1g; 18772211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache); 18789447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com TextMapState tms(*fMatrix, constY); 18798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TextMapState::Proc tmsProc = tms.pickProc(scalarsPerPosition); 18808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18812211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com if (cache->isSubpixel()) { 18828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // maybe we should skip the rounding if linearText is set 18839447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*fMatrix); 18849447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com 18859447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fxMask = ~0; 18869447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fyMask = ~0; 18879447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (kX_SkAxisAlignment == baseline) { 18889447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fyMask = 0; 18899447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX 18909447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleY = SK_FixedHalf; 18919447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#endif 18929447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } else if (kY_SkAxisAlignment == baseline) { 18939447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fxMask = 0; 18949447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#ifndef SK_IGNORE_SUBPIXEL_AXIS_ALIGN_FIX 18959447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com d1g.fHalfSampleX = SK_FixedHalf; 18969447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com#endif 18979447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com } 18988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 19008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 19018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmsProc(tms, pos); 1902a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19039447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = SkScalarToFixed(tms.fLoc.fX) + d1g.fHalfSampleX; 19049447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = SkScalarToFixed(tms.fLoc.fY) + d1g.fHalfSampleY; 1905a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1906f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 1907f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fx & fxMask, fy & fyMask); 1908a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 1910f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com proc(d1g, fx, fy, glyph); 19118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 19138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 19158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 19169330cfe851b14b8985acc14caa3dc5ad20b0b2a8bungeman@google.com const char* currentText = text; 19179447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com const SkGlyph& metricGlyph = glyphCacheProc(cache, &text, 0, 0); 1918a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19199447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com if (metricGlyph.fWidth) { 19209447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkDEBUGCODE(SkFixed prevAdvX = metricGlyph.fAdvanceX;) 19219447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkDEBUGCODE(SkFixed prevAdvY = metricGlyph.fAdvanceY;) 19228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmsProc(tms, pos); 19249447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkIPoint fixedLoc; 19259447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com alignProc(tms.fLoc, metricGlyph, &fixedLoc); 1926a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19279447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fx = fixedLoc.fX + d1g.fHalfSampleX; 19289447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkFixed fy = fixedLoc.fY + d1g.fHalfSampleY; 1929a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // have to call again, now that we've been "aligned" 19319447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, ¤tText, 19329447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fx & fxMask, fy & fyMask); 19339447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com // the assumption is that the metrics haven't changed 19349447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(prevAdvX == glyph.fAdvanceX); 19359447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(prevAdvY == glyph.fAdvanceY); 19369447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkASSERT(glyph.fWidth); 1937a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19389447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com proc(d1g, fx, fy, glyph); 19398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 19418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // not subpixel 1944aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 1945aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 1946aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 1947aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1948fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 1949aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 1950aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com tmsProc(tms, pos); 1951a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1952aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 19539447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkScalarToFixed(tms.fLoc.fX) + SK_FixedHalf, //d1g.fHalfSampleX, 19549447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com SkScalarToFixed(tms.fLoc.fY) + SK_FixedHalf, //d1g.fHalfSampleY, 1955aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 1956aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1957aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 1958aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1959aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } else { 1960aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 1961aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 1962aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1963a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1964aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 1965aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com tmsProc(tms, pos); 1966a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1967aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com SkIPoint fixedLoc; 1968aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com alignProc(tms.fLoc, glyph, &fixedLoc); 1969aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com 1970aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 19719447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fixedLoc.fX + SK_FixedHalf, //d1g.fHalfSampleX, 19729447103029273a9f8dd7f5997e8af7a1e3ee7488bungeman@google.com fixedLoc.fY + SK_FixedHalf, //d1g.fHalfSampleY, 1973aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 1974aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1975aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 19768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#if defined _WIN32 && _MSC_VER >= 1300 19828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( pop ) 19838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 19848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 19868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathMeasure.h" 19888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpoints(SkPoint dst[], const SkPoint src[], int count, 19908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure& meas, const SkMatrix& matrix) { 19918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc proc = matrix.getMapXYProc(); 19928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 19948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pos; 19958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector tangent; 19968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(matrix, src[i].fX, src[i].fY, &pos); 19988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = pos.fX; 19998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = pos.fY; 20008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20018f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com if (!meas.getPosTan(sx, &pos, &tangent)) { 20028f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com // set to 0 if the measure failed, so that we just set dst == pos 20038f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com tangent.set(0, 0); 20048f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com } 20058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* This is the old way (that explains our approach but is way too slow 20078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 20088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pt; 20098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pt.set(sx, sy); 20118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setSinCos(tangent.fY, tangent.fX); 20128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.preTranslate(-sx, 0); 20138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(pos.fX, pos.fY); 20148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapPoints(&dst[i], &pt, 1); 20158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 20168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[i].set(pos.fX - SkScalarMul(tangent.fY, sy), 20178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos.fY + SkScalarMul(tangent.fX, sy)); 20188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/* TODO 20228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Need differentially more subdivisions when the follow-path is curvy. Not sure how to 20248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com determine that, but we need it. I guess a cheap answer is let the caller tell us, 20258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com but that seems like a cop-out. Another answer is to get Rob Johnson to figure it out. 20268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com*/ 20278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpath(SkPath* dst, const SkPath& src, SkPathMeasure& meas, 20288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix) { 20298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Iter iter(src, false); 20308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint srcP[4], dstP[3]; 20318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Verb verb; 20328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while ((verb = iter.next(srcP)) != SkPath::kDone_Verb) { 20348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (verb) { 20358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kMove_Verb: 20368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 1, meas, matrix); 20378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->moveTo(dstP[0]); 20388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kLine_Verb: 20408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // turn lines into quads to look bendy 20418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fX = SkScalarAve(srcP[0].fX, srcP[1].fX); 20428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fY = SkScalarAve(srcP[0].fY, srcP[1].fY); 20438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 2, meas, matrix); 20448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 20458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kQuad_Verb: 20478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 2, meas, matrix); 20488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 20498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kCubic_Verb: 20518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 3, meas, matrix); 20528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->cubicTo(dstP[0], dstP[1], dstP[2]); 20538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kClose_Verb: 20558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->close(); 20568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 20580c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("unknown verb"); 20598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawTextOnPath(const char text[], size_t byteLength, 20658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath& follow, const SkMatrix* matrix, 20668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 20678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 20688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 2070045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 20718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 20728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2074166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 20758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure meas(follow, false); 20768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar hOffset = 0; 20778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 20798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 20808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar pathLen = meas.getLength(); 20818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 20828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathLen = SkScalarHalf(pathLen); 20838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com hOffset += pathLen; 20858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 20888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos; 20898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix scaledMatrix; 20908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar scale = iter.getPathScale(); 20918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scaledMatrix.setScale(scale, scale); 2093a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20947b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 20957b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 20967b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkPath tmp; 20977b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkMatrix m(scaledMatrix); 20988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20997b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postTranslate(xpos + hOffset, 0); 21007b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (matrix) { 21017b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postConcat(*matrix); 21027b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 21037b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com morphpath(&tmp, *iterPath, meas, m); 21047b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 21057b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, tmp, iter.getPaint(), NULL, true); 21067b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 21077b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(tmp, iter.getPaint(), NULL, true); 21087b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 2109f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 21108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 21128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 211356c69773aea56c6c6bd47bc7e7970dd081205184djsollen@google.com#ifdef SK_BUILD_FOR_ANDROID 2114cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.comvoid SkDraw::drawPosTextOnPath(const char text[], size_t byteLength, 2115cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkPoint pos[], const SkPaint& paint, 2116cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkPath& path, const SkMatrix* matrix) const { 2117cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // nothing to draw 2118045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 2119cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com return; 2120cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2121cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2122cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkMatrix scaledMatrix; 2123cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPathMeasure meas(path, false); 2124cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2125cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkMeasureCacheProc glyphCacheProc = paint.getMeasureCacheProc( 2126cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPaint::kForward_TextBufferDirection, true); 2127cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2128cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // Copied (modified) from SkTextToPathIter constructor to setup paint 2129cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPaint tempPaint(paint); 2130cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2131cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setLinearText(true); 2132cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setMaskFilter(NULL); // don't want this affecting our path-cache lookup 2133cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2134cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com if (tempPaint.getPathEffect() == NULL && !(tempPaint.getStrokeWidth() > 0 2135cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com && tempPaint.getStyle() != SkPaint::kFill_Style)) { 2136cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setStyle(SkPaint::kFill_Style); 2137cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setPathEffect(NULL); 2138cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2139cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // End copied from SkTextToPathIter constructor 2140cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2141cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // detach cache 2142f38f93c118b71e414c33fe2619ed1d7b1267a7a1bungeman@google.com SkGlyphCache* cache = tempPaint.detachCache(NULL, NULL); 2143cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2144cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // Must set scale, even if 1 2145cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkScalar scale = SK_Scalar1; 2146cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com scaledMatrix.setScale(scale, scale); 2147cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2148cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // Loop over all glyph ids 2149cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com for (const char* stop = text + byteLength; text < stop; pos++) { 2150cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2151cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text); 2152cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPath tmp; 2153cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2154cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkPath* glyphPath = cache->findPath(glyph); 2155cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com if (glyphPath == NULL) { 2156cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com continue; 2157cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2158cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2159cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkMatrix m(scaledMatrix); 2160cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com m.postTranslate(pos->fX, 0); 2161cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2162cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com if (matrix) { 2163cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com m.postConcat(*matrix); 2164cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2165cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2166cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com morphpath(&tmp, *glyphPath, meas, m); 2167cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com this->drawPath(tmp, tempPaint); 2168cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2169cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2170cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2171cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // re-attach cache 2172cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkGlyphCache::AttachCache(cache); 2173cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com} 2174cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com#endif 2175cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 21768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 21778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct VertState { 21798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int f0, f1, f2; 21808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState(int vCount, const uint16_t indices[], int indexCount) 21828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fIndices(indices) { 21838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCurrIndex = 0; 21848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (indices) { 21858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount = indexCount; 21868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 21878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount = vCount; 21888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2190a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2191a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com typedef bool (*Proc)(VertState*); 21928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Proc chooseProc(SkCanvas::VertexMode mode); 21938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 21958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fCount; 21968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fCurrIndex; 21978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* fIndices; 2198a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 21998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool Triangles(VertState*); 22008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TrianglesX(VertState*); 22018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleStrip(VertState*); 22028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleStripX(VertState*); 22038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleFan(VertState*); 22048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleFanX(VertState*); 22058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 22068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::Triangles(VertState* state) { 22088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 0; 22138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 3; 22168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TrianglesX(VertState* state) { 22208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 0]; 22268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 3; 22298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleStrip(VertState* state) { 22338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index & 1) { 22398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 1; 22408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 0; 22418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 0; 22438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleStripX(VertState* state) { 22508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index & 1) { 22578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 1]; 22588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 0]; 22598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 0]; 22618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleFan(VertState* state) { 22688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = 0; 22738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleFanX(VertState* state) { 22808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[0]; 22868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comVertState::Proc VertState::chooseProc(SkCanvas::VertexMode mode) { 22938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 22948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangles_VertexMode: 22958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TrianglesX : Triangles; 22968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangleStrip_VertexMode: 22978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TriangleStripX : TriangleStrip; 22988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangleFan_VertexMode: 22998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TriangleFanX : TriangleFan; 23008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 23018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 23028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2305045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comtypedef void (*HairProc)(const SkPoint&, const SkPoint&, const SkRasterClip&, 23068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 23078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic HairProc ChooseHairProc(bool doAntiAlias) { 23098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; 23108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool texture_to_matrix(const VertState& state, const SkPoint verts[], 23138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint texs[], SkMatrix* matrix) { 23148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src[3], dst[3]; 2315a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[0] = texs[state.f0]; 23178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[1] = texs[state.f1]; 23188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[2] = texs[state.f2]; 23198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[0] = verts[state.f0]; 23208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[1] = verts[state.f1]; 23218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[2] = verts[state.f2]; 23228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return matrix->setPolyToPoly(src, dst, 3); 23238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkTriColorShader : public SkShader { 23268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 23278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader() {} 23288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool setup(const SkPoint pts[], const SkColor colors[], int, int, int); 2330a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2331a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; 2332a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 233376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com SK_DEVELOPER_TO_STRING() 2334ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTriColorShader) 2335ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 23368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 23378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader(SkFlattenableReadBuffer& buffer) : SkShader(buffer) {} 2338a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 23408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix fDstToUnit; 23418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor fColors[3]; 2342a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkShader INHERITED; 23448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 23458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkTriColorShader::setup(const SkPoint pts[], const SkColor colors[], 23478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index0, int index1, int index2) { 2348a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[0] = SkPreMultiplyColor(colors[index0]); 23508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[1] = SkPreMultiplyColor(colors[index1]); 23518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[2] = SkPreMultiplyColor(colors[index2]); 2352a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix m, im; 23548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.reset(); 23558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(0, pts[index1].fX - pts[index0].fX); 23568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(1, pts[index2].fX - pts[index0].fX); 23578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(2, pts[index0].fX); 23588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(3, pts[index1].fY - pts[index0].fY); 23598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(4, pts[index2].fY - pts[index0].fY); 23608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(5, pts[index0].fY); 23618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!m.invert(&im)) { 23628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fDstToUnit.setConcat(im, this->getTotalInverse()); 23658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 2368689411a87ca7d19abe04b5c9baff26bd96b2123ereed@android.com#include "SkComposeShader.h" 23698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic int ScalarTo256(SkScalar v) { 23718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale = SkScalarToFixed(v) >> 8; 23728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale < 0) { 23738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 0; 23748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale > 255) { 23768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 255; 23778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return SkAlpha255To256(scale); 23798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkTriColorShader::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 23828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src; 2383a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 23858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDstToUnit.mapXY(SkIntToScalar(x), SkIntToScalar(y), &src); 23868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += 1; 2387a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale1 = ScalarTo256(src.fX); 23898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale2 = ScalarTo256(src.fY); 23908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale0 = 256 - scale1 - scale2; 23918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale0 < 0) { 23928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale1 > scale2) { 23938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale2 = 256 - scale1; 23948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 23958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale1 = 256 - scale2; 23968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale0 = 0; 23988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2399a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dstC[i] = SkAlphaMulQ(fColors[0], scale0) + 24018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAlphaMulQ(fColors[1], scale1) + 24028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAlphaMulQ(fColors[2], scale2); 24038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 24058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 240676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#ifdef SK_DEVELOPER 240776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkTriColorShader::toString(SkString* str) const { 240876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append("SkTriColorShader: ("); 240976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 241076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 241176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 241276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 241376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 241476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 241576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 24168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count, 24178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint vertices[], const SkPoint textures[], 24188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkColor colors[], SkXfermode* xmode, 24198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t indices[], int indexCount, 24208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 24218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == count || NULL != vertices); 2422a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // abort early if there is nothing to draw 2424045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (count < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { 24258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 24268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2427a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform out vertices into device coordinates 24298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoSTMalloc<16, SkPoint> storage(count); 24308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint* devVerts = storage.get(); 24318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapPoints(devVerts, vertices, count); 2432a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder) { 24348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect bounds; 24358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(devVerts, count); 24368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!fBounder->doRect(bounds, paint)) { 24378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 24388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2440a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 24428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com We can draw the vertices in 1 of 4 ways: 24438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - solid color (no shader/texture[], no colors[]) 24458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just colors (no shader/texture[], has colors[]) 24468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just texture (has shader/texture[], no colors[]) 24478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - colors * texture (has shader/texture[], has colors[]) 2448a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Thus for texture drawing, we need both texture[] and a shader. 24508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 24518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader triShader; // must be above declaration of p 24538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 24548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = p.getShader(); 24568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == shader) { 24578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we have no shader, we ignore the texture coordinates 24588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com textures = NULL; 24598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (NULL == textures) { 24608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we don't have texture coordinates, ignore the shader 24618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(NULL); 24628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader = NULL; 24638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup the custom shader (if needed) 24668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 24678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == textures) { 24688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // just colors (no texture) 2469a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader = p.setShader(&triShader); 24708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 24718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // colors * texture 24728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(shader); 24738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool releaseMode = false; 24748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == xmode) { 24758d3cd7a170c810e3816bf00220cbef51e7b16795reed@google.com xmode = SkXfermode::Create(SkXfermode::kModulate_Mode); 24768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com releaseMode = true; 24778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* compose = SkNEW_ARGS(SkComposeShader, 24798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com (&triShader, shader, xmode)); 24808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(compose)->unref(); 24818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (releaseMode) { 24828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com xmode->unref(); 24838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2484a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader = compose; 24858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, p); 2489ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // important that we abort early, as below we may manipulate the shader 2490ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // and that is only valid if the shader returned true from setContext. 2491ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // If it returned false, then our blitter will be the NullBlitter. 2492ea033606a06d05d2d42aa7118409fee798e53167reed@google.com if (blitter->isNullBlitter()) { 2493ea033606a06d05d2d42aa7118409fee798e53167reed@google.com return; 2494ea033606a06d05d2d42aa7118409fee798e53167reed@google.com } 2495ea033606a06d05d2d42aa7118409fee798e53167reed@google.com 24968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup our state and function pointer for iterating triangles 24978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState state(count, indices, indexCount); 24988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState::Proc vertProc = state.chooseProc(vmode); 2499a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 25008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures || NULL != colors) { 2501f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com SkMatrix tempM; 2502f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com SkMatrix savedLocalM; 2503f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com if (shader) { 2504f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com savedLocalM = shader->getLocalMatrix(); 2505f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com } 2506a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 250719376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // setContext has already been called and verified to return true 250819376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // by the constructor of SkAutoBlitterChoose 250919376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com bool prevContextSuccess = true; 25108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 25118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures) { 25128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (texture_to_matrix(state, vertices, textures, &tempM)) { 2513f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com tempM.postConcat(savedLocalM); 25148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader->setLocalMatrix(tempM); 251519376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // Need to recall setContext since we changed the local matrix. 251619376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // However, we also need to balance the calls this with a 251719376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // call to endContext which requires tracking the result of 251819376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // the previous call to setContext. 251919376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com if (prevContextSuccess) { 252019376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com shader->endContext(); 252119376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com } 252219376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com prevContextSuccess = shader->setContext(*fBitmap, p, *fMatrix); 252319376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com if (!prevContextSuccess) { 25248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 25258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 25298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!triShader.setup(vertices, colors, 25308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.f0, state.f1, state.f2)) { 25318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 25328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2534045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 2535045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPoint tmp[] = { 2536045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] 2537045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com }; 2538045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillTriangle(tmp, *fRC, blitter.get()); 25398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 254019376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com 25418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now restore the shader's original local matrix 25428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != shader) { 2543f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com shader->setLocalMatrix(savedLocalM); 25448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 254519376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com 254619376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // If the final call to setContext fails we must make it suceed so that the 254719376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com // call to endContext in the destructor for SkAutoBlitterChoose is balanced. 254819376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com if (!prevContextSuccess) { 254919376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com prevContextSuccess = shader->setContext(*fBitmap, paint, SkMatrix::I()); 255019376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com SkASSERT(prevContextSuccess); 255119376b80476b0fdbdcc8ac33bfdbae9b0d3fdce7djsollen@google.com } 25528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 25538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // no colors[] and no texture 25548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com HairProc hairProc = ChooseHairProc(paint.isAntiAlias()); 2555045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 25568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 2557045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f0], devVerts[state.f1], clip, blitter.get()); 2558045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f1], devVerts[state.f2], clip, blitter.get()); 2559045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f2], devVerts[state.f0], clip, blitter.get()); 25608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25640a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25650a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 25688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2569f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comvoid SkDraw::validate() const { 25708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fBitmap != NULL); 25718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fMatrix != NULL); 25728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fClip != NULL); 2573045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(fRC != NULL); 25748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2575045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& cr = fRC->getBounds(); 25768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect br; 25778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2578f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com br.set(0, 0, fBitmap->width(), fBitmap->height()); 25798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(cr.isEmpty() || br.contains(cr)); 25808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 25838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25840a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25850a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com 25860a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.comSkBounder::SkBounder() { 25870a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com // initialize up front. This gets reset by SkCanvas before each draw call. 25880a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com fClip = &SkRegion::GetEmptyRegion(); 25890a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com} 25908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doIRect(const SkIRect& r) { 25928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect rr; 25938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return rr.intersect(fClip->getBounds(), r) && this->onIRect(rr); 25948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2596d055c1fde2128514167b315f4d104b177e04a3dereed@android.com// TODO: change the prototype to take fixed, and update the callers 2597d055c1fde2128514167b315f4d104b177e04a3dereed@android.combool SkBounder::doIRectGlyph(const SkIRect& r, int x, int y, 2598d055c1fde2128514167b315f4d104b177e04a3dereed@android.com const SkGlyph& glyph) { 2599474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com SkIRect rr; 2600d055c1fde2128514167b315f4d104b177e04a3dereed@android.com if (!rr.intersect(fClip->getBounds(), r)) { 2601d055c1fde2128514167b315f4d104b177e04a3dereed@android.com return false; 2602d055c1fde2128514167b315f4d104b177e04a3dereed@android.com } 2603d055c1fde2128514167b315f4d104b177e04a3dereed@android.com GlyphRec rec; 2604d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fLSB.set(SkIntToFixed(x), SkIntToFixed(y)); 2605d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fRSB.set(rec.fLSB.fX + glyph.fAdvanceX, 2606d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fLSB.fY + glyph.fAdvanceY); 2607d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fGlyphID = glyph.getGlyphID(); 2608d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fFlags = 0; 2609d055c1fde2128514167b315f4d104b177e04a3dereed@android.com return this->onIRectGlyph(rr, rec); 2610474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com} 2611474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com 26128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doHairline(const SkPoint& pt0, const SkPoint& pt1, 26138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) { 26148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect r; 26158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar v0, v1; 26168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v0 = pt0.fX; 26188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v1 = pt1.fX; 26198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (v0 > v1) { 26208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTSwap<SkScalar>(v0, v1); 26218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = SkScalarFloor(v0); 26238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = SkScalarCeil(v1); 26248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v0 = pt0.fY; 26268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v1 = pt1.fY; 26278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (v0 > v1) { 26288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTSwap<SkScalar>(v0, v1); 26298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = SkScalarFloor(v0); 26318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = SkScalarCeil(v1); 26328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(-1, -1); 26358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doRect(const SkRect& rect, const SkPaint& paint) { 26408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect r; 26418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getStyle() == SkPaint::kFill_Style) { 26438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rect.round(&r); 26448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 26458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int rad = -1; 26468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rect.roundOut(&r); 26478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rad = -2; 26498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(rad, rad); 26518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doPath(const SkPath& path, const SkPaint& paint, bool doFill) { 2656d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkIRect r; 2657d252db03d9650013b545ef9781fe993c07f8f314reed@android.com const SkRect& bounds = path.getBounds(); 26588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 26608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.round(&r); 26618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 26628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.roundOut(&r); 26638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(-1, -1); 26678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkBounder::commit() { 26728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // override in subclass 26738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//////////////////////////////////////////////////////////////////////////////////////////////// 26768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 26788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 26798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 26808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 26818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds, 268330711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 26848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect* bounds) { 26858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (devPath.isEmpty()) { 26868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 26878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // init our bounds from the path 26908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2691d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkRect pathBounds = devPath.getBounds(); 26928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.inset(-SK_ScalarHalf, -SK_ScalarHalf); 26938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.roundOut(bounds); 26948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2695a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 26966db75fc2c393ba86a3f533597a8bcd348477e79ctomhudson@google.com SkIPoint margin = SkIPoint::Make(0, 0); 26978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (filter) { 26988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(filterMatrix); 2699a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27005af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkMask srcM, dstM; 2701a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fBounds = *bounds; 27038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fFormat = SkMask::kA8_Format; 27048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fImage = NULL; 27058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!filter->filterMask(&dstM, srcM, *filterMatrix, &margin)) { 27068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 27078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2709a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27105af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com // (possibly) trim the bounds to reflect the clip 27118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (plus whatever slop the filter needs) 27125af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (clipBounds) { 27135af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkIRect tmp = *clipBounds; 27143555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // Ugh. Guard against gigantic margins from wacky filters. Without this 27153555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // check we can request arbitrary amounts of slop beyond our visible 27163555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // clip, and bring down the renderer (at least on finite RAM machines 27173555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // like handsets, etc.). Need to balance this invented value between 27183555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // quality of large filters like blurs, and the corresponding memory 27193555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // requests. 27203555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com static const int MAX_MARGIN = 128; 27213555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com tmp.inset(-SkMin32(margin.fX, MAX_MARGIN), 27223555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com -SkMin32(margin.fY, MAX_MARGIN)); 27235af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (!bounds->intersect(tmp)) { 27245af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com return false; 27255af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com } 27268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 27298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27312ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.orgstatic void draw_into_mask(const SkMask& mask, const SkPath& devPath, 27322ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 2733045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBitmap bm; 2734045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkDraw draw; 2735045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRasterClip clip; 2736045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkMatrix matrix; 2737045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPaint paint; 27388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), mask.fBounds.height(), mask.fRowBytes); 27408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm.setPixels(mask.fImage); 27418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2742045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height())); 27438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 27448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 27458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBitmap = &bm; 2747045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fRC = &clip; 2748045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fClip = &clip.bwRgn(); 27498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 27508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBounder = NULL; 27518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 27522ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org paint.setStyle(style); 27538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawPath(devPath, paint); 27548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkDraw::DrawToMask(const SkPath& devPath, const SkIRect* clipBounds, 275730711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 27582ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkMask* mask, SkMask::CreateMode mode, 27592ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 27608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustRenderImage_CreateMode != mode) { 27618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!compute_bounds(devPath, clipBounds, filter, filterMatrix, &mask->fBounds)) 27628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 27638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2764a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kComputeBoundsAndRenderImage_CreateMode == mode) { 27668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fFormat = SkMask::kA8_Format; 27678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fRowBytes = mask->fBounds.width(); 2768543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask->computeImageSize(); 2769543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 2770543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // we're too big to allocate the mask, abort 2771543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return false; 2772543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 2773543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com mask->fImage = SkMask::AllocImage(size); 27748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask->fImage, 0, mask->computeImageSize()); 27758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustComputeBounds_CreateMode != mode) { 27782ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org draw_into_mask(*mask, devPath, style); 27798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2780a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 27828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2783