SkDraw.cpp revision f38f93c118b71e414c33fe2619ed1d7b1267a7a1
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 1258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 1268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*BitmapXferProc)(void* pixels, size_t bytes, uint32_t data); 1288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Clear_BitmapXferProc(void* pixels, size_t bytes, uint32_t) { 1304516f4786f5dda1b86a8f825b9e8e910d9c2363creed@android.com sk_bzero(pixels, bytes); 1318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D_Dst_BitmapXferProc(void*, size_t, uint32_t data) {} 1348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D32_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sk_memset32((uint32_t*)pixels, data, bytes >> 2); 1378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D16_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sk_memset16((uint16_t*)pixels, data, bytes >> 1); 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void DA8_Src_BitmapXferProc(void* pixels, size_t bytes, uint32_t data) { 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(pixels, data, bytes); 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic BitmapXferProc ChooseBitmapXferProc(const SkBitmap& bitmap, 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t* data) { 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // todo: we can apply colorfilter up front if no shader, so we wouldn't 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to abort this fastpath 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getShader() || paint.getColorFilter()) { 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 156845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com SkXfermode::Mode mode; 157be2aa2aa1f8bf73d974bdd9438fc741bbf0cfbe6mike@reedtribe.org if (!SkXfermode::AsMode(paint.getXfermode(), &mode)) { 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 160a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor color = paint.getColor(); 162a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // collaps modes based on color... 164845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com if (SkXfermode::kSrcOver_Mode == mode) { 1658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned alpha = SkColorGetA(color); 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == alpha) { 167845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kDst_Mode; 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (0xFF == alpha) { 169845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com mode = SkXfermode::kSrc_Mode; 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 172a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 174845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kClear_Mode: 1758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Clear_BitmapXferProc\n"); 1768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Clear_BitmapXferProc; // ignore data 177845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kDst_Mode: 1788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D_Dst_BitmapXferProc\n"); 1798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D_Dst_BitmapXferProc; // ignore data 180845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com case SkXfermode::kSrc_Mode: { 1818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 182a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com should I worry about dithering for the lower depths? 1838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor pmc = SkPreMultiplyColor(color); 1858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (bitmap.config()) { 1868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_8888_Config: 1878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = pmc; 1898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D32_Src_BitmapXferProc\n"); 1918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D32_Src_BitmapXferProc; 1928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_4444_Config: 1938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 1948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel4444(pmc); 1958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 1978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 1988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kRGB_565_Config: 1998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkPixel32ToPixel16(pmc); 2018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- D16_Src_BitmapXferProc\n"); 2038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D16_Src_BitmapXferProc; 2048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kA8_Config: 2058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (data) { 2068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com *data = SkGetPackedA32(pmc); 2078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// SkDebugf("--- DA8_Src_BitmapXferProc\n"); 2098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return DA8_Src_BitmapXferProc; 2108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 2198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void CallBitmapXferProc(const SkBitmap& bitmap, const SkIRect& rect, 2228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com BitmapXferProc proc, uint32_t procData) { 2238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int shiftPerPixel; 2248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (bitmap.config()) { 2258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_8888_Config: 2268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 2; 2278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kARGB_4444_Config: 2298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kRGB_565_Config: 2308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 1; 2318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkBitmap::kA8_Config: 2338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shiftPerPixel = 0; 2348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 2358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 2360c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("Can't use xferproc on this config"); 2378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint8_t* pixels = (uint8_t*)bitmap.getPixels(); 2418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pixels); 2428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t rowBytes = bitmap.rowBytes(); 2438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const int widthBytes = rect.width() << shiftPerPixel; 2448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // skip down to the first scanline and X position 2468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rect.fTop * rowBytes + (rect.fLeft << shiftPerPixel); 2478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int scans = rect.height() - 1; scans >= 0; --scans) { 2488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(pixels, widthBytes, procData); 2498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pixels += rowBytes; 2508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPaint(const SkPaint& paint) const { 254f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 2558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 256045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 2578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devRect; 2618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devRect.set(0, 0, fBitmap->width(), fBitmap->height()); 2628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(devRect)) { 2638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 2648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 265a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 266045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 267045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com /* If we don't have a shader (i.e. we're just a solid color) we may 268045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com be faster to operate directly on the device bitmap, rather than invoking 269045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com a blitter. Esp. true for xfermodes, which require a colorshader to be 270045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com present, which is just redundant work. Since we're drawing everywhere 271045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com in the clip, we don't have to worry about antialiasing. 272045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com */ 273045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t procData = 0; // to avoid the warning 274045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com BitmapXferProc proc = ChooseBitmapXferProc(*fBitmap, paint, &procData); 275045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (proc) { 276045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (D_Dst_BitmapXferProc == proc) { // nothing to do 277045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 278045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 279a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 280045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRegion::Iterator iter(fRC->bwRgn()); 281045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com while (!iter.done()) { 282045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com CallBitmapXferProc(*fBitmap, iter.rect(), proc, procData); 283045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com iter.next(); 284045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 285045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 2868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 288045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 289045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // normal case: use a blitter 290045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 291045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(devRect, *fRC, blitter.get()); 2928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 2958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct PtProcRec { 2978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas::PointMode fMode; 2988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint* fPaint; 2998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRegion* fClip; 300045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip* fRC; 301a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // computed values 3038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fRadius; 304a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const PtProcRec&, const SkPoint devPts[], int count, 3068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 3078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool init(SkCanvas::PointMode, const SkPaint&, const SkMatrix* matrix, 309045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip*); 310045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com Proc chooseProc(SkBlitter** blitter); 311045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 312045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comprivate: 313045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper fWrapper; 3148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 3158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(rec.fClip->isRect()); 3198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkIRect& r = rec.fClip->getBounds(); 320a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 3218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3222d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3232d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_rect_16_hair_proc(const PtProcRec& rec, 3318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint devPts[], int count, 3328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter) { 333045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(rec.fRC->isRect()); 334045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 3368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(bitmap); 338c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint16_t* addr = bitmap->getAddr16(0, 0); 3408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int rb = bitmap->rowBytes(); 341c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3432d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3442d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (r.contains(x, y)) { 3468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ((uint16_t*)((char*)addr + y * rb))[x] = SkToU16(value); 3478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3512d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.comstatic void bw_pt_rect_32_hair_proc(const PtProcRec& rec, 3522d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkPoint devPts[], int count, 3532d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkBlitter* blitter) { 3542d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(rec.fRC->isRect()); 3552d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkIRect& r = rec.fRC->getBounds(); 3562d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com uint32_t value; 3572d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com const SkBitmap* bitmap = blitter->justAnOpaqueColor(&value); 3582d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(bitmap); 359c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3602d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkPMColor* addr = bitmap->getAddr32(0, 0); 3612d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int rb = bitmap->rowBytes(); 362c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 3632d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com for (int i = 0; i < count; i++) { 3642d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int x = SkScalarFloorToInt(devPts[i].fX); 3652d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com int y = SkScalarFloorToInt(devPts[i].fY); 3662d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (r.contains(x, y)) { 3672d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com ((SkPMColor*)((char*)addr + y * rb))[x] = value; 3682d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3692d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 3702d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com} 3712d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com 3728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_pt_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 3758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int x = SkScalarFloor(devPts[i].fX); 3768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int y = SkScalarFloor(devPts[i].fY); 3778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (rec.fClip->contains(x, y)) { 3788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com blitter->blitH(x, y, 1); 3798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 386045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 3878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 3918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 3928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 393045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::HairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 3958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// aa versions 3988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_line_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i += 2) { 402045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_poly_hair_proc(const PtProcRec& rec, const SkPoint devPts[], 4078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count - 1; i++) { 409045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiHairLine(devPts[i], devPts[i+1], *rec.fRC, blitter); 4108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// square procs (strokeWidth > 0 but matrix is square-scale (sx == sy) 4148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void bw_square_proc(const PtProcRec& rec, const SkPoint devPts[], 4168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int count, SkBlitter* blitter) { 4178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkFixed radius = rec.fRadius; 4188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 4198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = SkScalarToFixed(devPts[i].fX); 4208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed y = SkScalarToFixed(devPts[i].fY); 421c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 4228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkXRect r; 4238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = x - radius; 4248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = y - radius; 4258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = x + radius; 4268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = y + radius; 427c3d7d90973528527131c72549b10c2a21300e0acskia.committer@gmail.com 428045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillXRect(r, *rec.fRC, blitter); 4298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void aa_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); 438a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.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; 444a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 445045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::AntiFillXRect(r, *rec.fRC, blitter); 4468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 449b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com// If this guy returns true, then chooseProc() must return a valid proc 4508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool PtProcRec::init(SkCanvas::PointMode mode, const SkPaint& paint, 451045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkMatrix* matrix, const SkRasterClip* rc) { 4528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect()) { 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar width = paint.getStrokeWidth(); 4568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (0 == width) { 4578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 459045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 460045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4612d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com fRadius = SK_FixedHalf; 4628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 464b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com if (paint.getStrokeCap() != SkPaint::kRound_Cap && 465b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com matrix->rectStaysRect() && SkCanvas::kPoints_PointMode == mode) { 4668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = matrix->get(SkMatrix::kMScaleX); 4678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = matrix->get(SkMatrix::kMScaleY); 4688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkScalarNearlyZero(sx - sy)) { 4698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (sx < 0) { 4708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com sx = -sx; 4718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMode = mode; 4748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fPaint = &paint; 475045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 476045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fRC = rc; 4778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fRadius = SkScalarToFixed(SkScalarMul(width, sx)) >> 1; 4788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 4798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 4818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 4828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 4838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 484045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comPtProcRec::Proc PtProcRec::chooseProc(SkBlitter** blitterPtr) { 485b4f404ac4195e5b1f49e49c591bd69f98b246f9breed@android.com Proc proc = NULL; 486a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 487045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = *blitterPtr; 488045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 489045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fRC->bwRgn(); 490045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 491045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fWrapper.init(*fRC, blitter); 492045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &fWrapper.getRgn(); 493045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = fWrapper.getBlitter(); 494045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com *blitterPtr = blitter; 495045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 496045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 4978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // for our arrays 4988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == SkCanvas::kPoints_PointMode); 4998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == SkCanvas::kLines_PointMode); 5008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(2 == SkCanvas::kPolygon_PointMode); 5018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)fMode <= (unsigned)SkCanvas::kPolygon_PointMode); 5028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5032d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fPaint->isAntiAlias()) { 5042d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (0 == fPaint->getStrokeWidth()) { 5058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const Proc gAAProcs[] = { 5068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com aa_square_proc, aa_line_hair_proc, aa_poly_hair_proc 5078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gAAProcs[fMode]; 5092d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (fPaint->getStrokeCap() != SkPaint::kRound_Cap) { 5102d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com SkASSERT(SkCanvas::kPoints_PointMode == fMode); 5112d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = aa_square_proc; 5122d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } 5132d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else { // BW 5142d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (fRadius <= SK_FixedHalf) { // small radii and hairline 5158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kPoints_PointMode == fMode && fClip->isRect()) { 5168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t value; 5178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkBitmap* bm = blitter->justAnOpaqueColor(&value); 5182d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com if (bm && SkBitmap::kRGB_565_Config == bm->config()) { 5198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_16_hair_proc; 5202d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com } else if (bm && SkBitmap::kARGB_8888_Config == bm->config()) { 5212d47a21b27035798d53de4d5cb8ac7c03534ab27reed@google.com proc = bw_pt_rect_32_hair_proc; 5228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_pt_rect_hair_proc; 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static Proc gBWProcs[] = { 5278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bw_pt_hair_proc, bw_line_hair_proc, bw_poly_hair_proc 5288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 5298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = gBWProcs[fMode]; 5308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc = bw_square_proc; 5338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return proc; 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool bounder_points(SkBounder* bounder, SkCanvas::PointMode mode, 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t count, const SkPoint pts[], 5408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint, const SkMatrix& matrix) { 5418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect ibounds; 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect bounds; 5438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar inset = paint.getStrokeWidth(); 5448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(pts, count); 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.inset(-inset, -inset); 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapRect(&bounds); 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.roundOut(&ibounds); 5508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return bounder->doIRect(ibounds); 5518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 5528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// each of these costs 8-bytes of stack space, so don't make it too large 5548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// must be even for lines/polygon to work 5558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define MAX_DEV_PTS 32 5568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPoints(SkCanvas::PointMode mode, size_t count, 558f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkPoint pts[], const SkPaint& paint, 559f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com bool forceUseDevice) const { 5608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we're in lines mode, force count to be even 5618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkCanvas::kLines_PointMode == mode) { 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count &= ~(size_t)1; 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if ((long)count <= 0) { 5668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 568a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(pts != NULL); 570f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 571a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 5728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 573045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 5748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 5758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 577fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com if (fBounder) { 578fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com if (!bounder_points(fBounder, mode, count, pts, paint, *fMatrix)) { 579fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return; 580fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com } 581fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 582fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com // clear the bounder and call this again, so we don't invoke the bounder 583fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com // later if we happen to call ourselves for drawRect, drawPath, etc. 584fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com SkDraw noBounder(*this); 585fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com noBounder.fBounder = NULL; 586fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com noBounder.drawPoints(mode, count, pts, paint, forceUseDevice); 587fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return; 588fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com } 589fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 5908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com PtProcRec rec; 591045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (!forceUseDevice && rec.init(mode, paint, fMatrix, fRC)) { 5928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, paint); 5938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint devPts[MAX_DEV_PTS]; 5958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 5968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* bltr = blitter.get(); 597045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com PtProcRec::Proc proc = rec.chooseProc(&bltr); 5988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // we have to back up subsequent passes if we're in polygon mode 5998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const size_t backup = (SkCanvas::kPolygon_PointMode == mode); 600a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com do { 6028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t n = count; 6038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (n > MAX_DEV_PTS) { 6048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com n = MAX_DEV_PTS; 6058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix->mapPoints(devPts, pts, n); 6078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(rec, devPts, n, bltr); 6088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pts += n - backup; 6098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(count >= n); 6108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= n; 6118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (count > 0) { 6128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count += backup; 6138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } while (count != 0); 6158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 6178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPoints_PointMode: { 6188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // temporarily mark the paint as filling. 61940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint newPaint(paint); 62040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com newPaint.setStyle(SkPaint::kFill_Style); 6218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 62240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkScalar width = newPaint.getStrokeWidth(); 6238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar radius = SkScalarHalf(width); 624a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 62540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 6268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 6278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix preMatrix; 628a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.addCircle(0, 0, radius); 6308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com preMatrix.setTranslate(pts[i].fX, pts[i].fY); 6328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // pass true for the last point, since we can modify 6338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // then path then 634f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 63540c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawPath(*this, path, newPaint, &preMatrix, 636f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com (count-1) == i); 637f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 63840c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawPath(path, newPaint, &preMatrix, 63940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com (count-1) == i); 640f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 6438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 644a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 6458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i++) { 6468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = pts[i].fX - radius; 6478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = pts[i].fY - radius; 6488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = r.fLeft + width; 6498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = r.fTop + width; 650f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 65140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com fDevice->drawRect(*this, r, newPaint); 652f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 65340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com this->drawRect(r, newPaint); 654f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 6558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 6588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kLines_PointMode: 660629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#ifndef SK_DISABLE_DASHING_OPTIMIZATION 661629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com if (2 == count && NULL != paint.getPathEffect()) { 662629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // most likely a dashed line - see if it is one of the ones 663629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // we can accelerate 664629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkStrokeRec rec(paint); 6656d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkPathEffect::PointData pointData; 666629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 667629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPath path; 668629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.moveTo(pts[0]); 669629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com path.lineTo(pts[1]); 670629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6716d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (paint.getPathEffect()->asPoints(&pointData, path, rec, *fMatrix)) { 6726d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // 'asPoints' managed to find some fast path 6736d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 674629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com SkPaint newP(paint); 675629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com newP.setPathEffect(NULL); 676935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com newP.setStyle(SkPaint::kFill_Style); 677629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com 6786d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fFirst.isEmpty()) { 6796d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6806d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fFirst, newP); 6816d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6826d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fFirst, newP); 6836d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 684629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 6856d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6866d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (!pointData.fLast.isEmpty()) { 6876d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 6886d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawPath(*this, pointData.fLast, newP); 6896d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 6906d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPath(pointData.fLast, newP); 6916d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6926d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 6936d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6946d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (pointData.fSize.fX == pointData.fSize.fY) { 6956d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line can just be drawn as points 6966d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkASSERT(pointData.fSize.fX == SkScalarHalf(newP.getStrokeWidth())); 6976d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 6986d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (SkPathEffect::PointData::kCircles_PointFlag & pointData.fFlags) { 6996d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kRound_Cap); 7006d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7016d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP.setStrokeCap(SkPaint::kButt_Cap); 7026d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7036d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7046d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7057a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com fDevice->drawPoints(*this, 7066d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkCanvas::kPoints_PointMode, 7076d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 7086d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 7096d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP); 7106d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7116d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawPoints(SkCanvas::kPoints_PointMode, 7126d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fNumPoints, 7136d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints, 7146d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com newP, 7156d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com forceUseDevice); 7166d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7176d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com break; 718935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } else { 7196d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com // The rest of the dashed line must be drawn as rects 7207a03d86a3d9adcb13432fbd82039725149487c97skia.committer@gmail.com SkASSERT(!(SkPathEffect::PointData::kCircles_PointFlag & 7216d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fFlags)); 7226d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7236d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com SkRect r; 7246d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 7256d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com for (int i = 0; i < pointData.fNumPoints; ++i) { 7266d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com r.set(pointData.fPoints[i].fX - pointData.fSize.fX, 7276d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY - pointData.fSize.fY, 7286d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fX + pointData.fSize.fX, 7296d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com pointData.fPoints[i].fY + pointData.fSize.fY); 7306d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com if (fDevice) { 7316d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com fDevice->drawRect(*this, r, newP); 7326d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } else { 7336d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com this->drawRect(r, newP); 7346d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 7356d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com } 736935ad026826fb7d31d562ff7326b84ec3a827456robertphillips@google.com } 7376d87557278052c131957e5d6e093d3a675162d22robertphillips@google.com 738629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com break; 739629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 740629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com } 741629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com#endif // DISABLE_DASHING_OPTIMIZATION 742629ab540667422d3edcb97c51e9628b7051e1ba4robertphillips@google.com // couldn't take fast path so fall through! 7438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kPolygon_PointMode: { 7448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com count -= 1; 7458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath path; 7468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 7478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setStyle(SkPaint::kStroke_Style); 7488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size_t inc = (SkCanvas::kLines_PointMode == mode) ? 2 : 1; 7498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (size_t i = 0; i < count; i += inc) { 7508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.moveTo(pts[i]); 7518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.lineTo(pts[i+1]); 752f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fDevice) { 753f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fDevice->drawPath(*this, path, p, NULL, true); 754f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } else { 755f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com this->drawPath(path, p, NULL, true); 756f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 7578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path.rewind(); 7588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 7608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 7638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic inline SkPoint* as_lefttop(SkRect* r) { 7668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return (SkPoint*)(void*)r; 7678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic inline SkPoint* as_rightbottom(SkRect* r) { 7708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return ((SkPoint*)(void*)r) + 1; 7718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 7728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 773761fb62b0eb174783316d2a8b933fba896ca6355reed@google.comstatic bool easy_rect_join(const SkPaint& paint, const SkMatrix& matrix, 774761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint* strokeSize) { 775761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com if (SkPaint::kMiter_Join != paint.getStrokeJoin() || 776761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com paint.getStrokeMiter() < SK_ScalarSqrt2) { 777761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return false; 778761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com } 779fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 780761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkASSERT(matrix.rectStaysRect()); 781761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkPoint pt = { paint.getStrokeWidth(), paint.getStrokeWidth() }; 782761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com matrix.mapVectors(strokeSize, &pt, 1); 7836115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fX = SkScalarAbs(strokeSize->fX); 7846115338c59799b4ef09cda187f23867dea093f6ereed@google.com strokeSize->fY = SkScalarAbs(strokeSize->fY); 785761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com return true; 7867ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org} 7877ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 78862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comSkDraw::RectType SkDraw::ComputeRectType(const SkPaint& paint, 78962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const SkMatrix& matrix, 79062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint* strokeSize) { 7917ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org RectType rtype; 7927ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org const SkScalar width = paint.getStrokeWidth(); 79362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com const bool zeroWidth = (0 == width); 7947ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::Style style = paint.getStyle(); 795fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 7967ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if ((SkPaint::kStrokeAndFill_Style == style) && zeroWidth) { 7977ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org style = SkPaint::kFill_Style; 7987ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 799fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 8008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getPathEffect() || paint.getMaskFilter() || 80162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com paint.getRasterizer() || !matrix.rectStaysRect() || 8027ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkPaint::kStrokeAndFill_Style == style) { 80362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com rtype = kPath_RectType; 80462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (SkPaint::kFill_Style == style) { 8057ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kFill_RectType; 8067ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else if (zeroWidth) { 8077ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kHair_RectType; 80862ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } else if (easy_rect_join(paint, matrix, strokeSize)) { 8097ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kStroke_RectType; 8107ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 8117ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org rtype = kPath_RectType; 8127ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 81362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return rtype; 81462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com} 81562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8167324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic const SkPoint* rect_points(const SkRect& r) { 8177324415759fe0c5a0902877b664aa942a89bd940reed@google.com return (const SkPoint*)(void*)&r; 8187324415759fe0c5a0902877b664aa942a89bd940reed@google.com} 8197324415759fe0c5a0902877b664aa942a89bd940reed@google.com 8207324415759fe0c5a0902877b664aa942a89bd940reed@google.comstatic SkPoint* rect_points(SkRect& r) { 8217324415759fe0c5a0902877b664aa942a89bd940reed@google.com return (SkPoint*)(void*)&r; 82240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com} 82340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com 82462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.comvoid SkDraw::drawRect(const SkRect& rect, const SkPaint& paint) const { 82562ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkDEBUGCODE(this->validate();) 8267ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org 82762ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com // nothing to draw 828045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 82962ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com return; 83062ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com } 83162ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 83262ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com SkPoint strokeSize; 83362ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com RectType rtype = ComputeRectType(paint, *fMatrix, &strokeSize); 83462ab7addb06bbc5b93460eaf2f70a9f8399308d3reed@google.com 8357ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (kPath_RectType == rtype) { 8368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmp; 8378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.addRect(rect); 8388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmp.setFillType(SkPath::kWinding_FillType); 839187d5595901d1120d9425851e5afdd773f574502reed@android.com this->drawPath(tmp, paint, NULL, true); 8408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix = *fMatrix; 8448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect devRect; 8458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform rect into devRect 8477324415759fe0c5a0902877b664aa942a89bd940reed@google.com matrix.mapPoints(rect_points(devRect), rect_points(rect), 2); 8487324415759fe0c5a0902877b664aa942a89bd940reed@google.com devRect.sort(); 8498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doRect(devRect, paint)) { 8518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // look for the quick exit, before we build a blitter 8557324415759fe0c5a0902877b664aa942a89bd940reed@google.com if (true) { 8568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect ir; 8578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devRect.roundOut(&ir); 85855e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com if (paint.getStyle() != SkPaint::kFill_Style) { 85955e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com // extra space for hairlines 86055e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com ir.inset(-1, -1); 86155e76b209c9249308a9ba3d75c2472dd55e9d298reed@android.com } 862045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(ir)) 8638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 8648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 8668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitterStorage(*fBitmap, matrix, paint); 867045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 8688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter = blitterStorage.get(); 8698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 870b641c9f20beb36dbf4e8df53a199c84cef3be9b2reed@android.com // we want to "fill" if we are kFill or kStrokeAndFill, since in the latter 871b641c9f20beb36dbf4e8df53a199c84cef3be9b2reed@android.com // case we are also hairline (if we've gotten to here), which devolves to 872b641c9f20beb36dbf4e8df53a199c84cef3be9b2reed@android.com // effectively just kFill 8737ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org switch (rtype) { 8747ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org case kFill_RectType: 8757ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (paint.isAntiAlias()) { 8767ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::AntiFillRect(devRect, clip, blitter); 8777ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 8787ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::FillRect(devRect, clip, blitter); 8797ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 8807ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org break; 8817ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org case kStroke_RectType: 8827ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (paint.isAntiAlias()) { 883761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkScan::AntiFrameRect(devRect, strokeSize, clip, blitter); 8847ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 885761fb62b0eb174783316d2a8b933fba896ca6355reed@google.com SkScan::FrameRect(devRect, strokeSize, clip, blitter); 8867ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 8877ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org break; 8887ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org case kHair_RectType: 8897ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org if (paint.isAntiAlias()) { 8907ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::AntiHairRect(devRect, clip, blitter); 8917ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } else { 8927ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org SkScan::HairRect(devRect, clip, blitter); 8937ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org } 8947ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org break; 8957ff678bc1618dc669648198a7bdca8adfb189505mike@reedtribe.org default: 8960c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("bad rtype"); 8978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 8988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 8998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawDevMask(const SkMask& srcM, const SkPaint& paint) const { 9018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (srcM.fBounds.isEmpty()) { 9028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9050a60b3d32eae945688b69599f11679662657f751bungeman@google.com const SkMask* mask = &srcM; 9068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9070a60b3d32eae945688b69599f11679662657f751bungeman@google.com SkMask dstM; 9088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getMaskFilter() && 9098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.getMaskFilter()->filterMask(&dstM, srcM, *fMatrix, NULL)) { 9108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask = &dstM; 911bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com } else { 912bf2ac7e52f84095368dc50600fd6e78cc96044e3bungeman@google.com dstM.fImage = NULL; 9138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 91402f55841854ae32f21a13417e9ee711463e488cfbungeman@google.com SkAutoMaskFreeImage ami(dstM.fImage); 9158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(mask->fBounds)) { 9178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 9188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 9198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 920045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser(*fBitmap, *fMatrix, paint); 921045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = blitterChooser.get(); 922045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 923045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 924045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRegion* clipRgn; 9258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 926045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isBW()) { 927045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &fRC->bwRgn(); 928045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 929045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 930045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clipRgn = &wrapper.getRgn(); 931045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 932045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 933045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter->blitMaskRegion(*mask, *clipRgn); 9348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 9358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 936ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.comstatic SkScalar fast_len(const SkVector& vec) { 937ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar x = SkScalarAbs(vec.fX); 938ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar y = SkScalarAbs(vec.fY); 939ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com if (x < y) { 940ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkTSwap(x, y); 941ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 942ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return x + SkScalarHalf(y); 943ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 944ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 945ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.comstatic bool xfermodeSupportsCoverageAsAlpha(SkXfermode* xfer) { 946ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com SkXfermode::Coeff dc; 947ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (!SkXfermode::AsCoeff(xfer, NULL, &dc)) { 948ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 949ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 950fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 951ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com switch (dc) { 952ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kOne_Coeff: 953ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISA_Coeff: 954ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com case SkXfermode::kISC_Coeff: 955ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return true; 956ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com default: 957ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 958ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 959ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com} 960ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 961ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.combool SkDrawTreatAsHairline(const SkPaint& paint, const SkMatrix& matrix, 962dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar* coverage) { 963dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkASSERT(coverage); 964ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (SkPaint::kStroke_Style != paint.getStyle()) { 965ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 966ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 967ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com SkScalar strokeWidth = paint.getStrokeWidth(); 968ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (0 == strokeWidth) { 969dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com *coverage = SK_Scalar1; 970ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return true; 971ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 972ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 973ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com // if we get here, we need to try to fake a thick-stroke with a modulated 974ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com // hairline 975ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 976ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com if (!paint.isAntiAlias()) { 977ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com return false; 978ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com } 9798d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com if (matrix.hasPerspective()) { 980ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 981ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 982ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com 983ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkVector src[2], dst[2]; 984ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[0].set(strokeWidth, 0); 985ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com src[1].set(0, strokeWidth); 986ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com matrix.mapVectors(dst, src, 2); 987ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len0 = fast_len(dst[0]); 988ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com SkScalar len1 = fast_len(dst[1]); 989652807bbc8c57e5fa9622126b51fd369f5c67935agl@chromium.org if (len0 <= SK_Scalar1 && len1 <= SK_Scalar1) { 990dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com *coverage = SkScalarAve(len0, len1); 991ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return true; 992ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com } 993ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com return false; 994ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com} 995ebdeeb8a018f2df01e190fd961d68a94f0e0fcb9reed@android.com 99632e5d97ccf60f859db063ebd6e903c362e625767reed@google.comvoid SkDraw::drawPath(const SkPath& origSrcPath, const SkPaint& origPaint, 9978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* prePathMatrix, bool pathIsMutable) const { 998f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 9998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1001045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty()) { 10028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* pathPtr = (SkPath*)&origSrcPath; 10068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool doFill = true; 10078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath tmpPath; 10088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix tmpMatrix; 10098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix* matrix = fMatrix; 10108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (prePathMatrix) { 101232e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (origPaint.getPathEffect() || origPaint.getStyle() != SkPaint::kFill_Style || 101332e5d97ccf60f859db063ebd6e903c362e625767reed@google.com origPaint.getRasterizer()) { 10148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* result = pathPtr; 1015a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!pathIsMutable) { 10178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com result = &tmpPath; 10188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathIsMutable = true; 10198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*prePathMatrix, result); 10218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = result; 10228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 10238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!tmpMatrix.setConcat(*matrix, *prePathMatrix)) { 10248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overflow 10258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix = &tmpMatrix; 10288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // at this point we're done with prePathMatrix 10318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(prePathMatrix = (const SkMatrix*)0x50FF8001;) 1032a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 10335dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkTCopyOnFirstWrite<SkPaint> paint(origPaint); 1034a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1035ecadf99c8450646dfd9c2754f3e845245beab8b6reed@google.com { 1036dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com SkScalar coverage; 1037dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SkDrawTreatAsHairline(origPaint, *matrix, &coverage)) { 1038dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com if (SK_Scalar1 == coverage) { 10395dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com paint.writable()->setStrokeWidth(0); 1040dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } else if (xfermodeSupportsCoverageAsAlpha(origPaint.getXfermode())) { 1041dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com U8CPU newAlpha; 1042dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#if 0 1043dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = SkToU8(SkScalarRoundToInt(coverage * 1044dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com origPaint.getAlpha())); 1045dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#else 1046dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // this is the old technique, which we preserve for now so 1047dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // we don't change previous results (testing) 1048dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com // the new way seems fine, its just (a tiny bit) different 1049dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com int scale = (int)SkScalarMul(coverage, 256); 1050dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com newAlpha = origPaint.getAlpha() * scale >> 8; 1051dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com#endif 10525dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com SkPaint* writablePaint = paint.writable(); 10535dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setStrokeWidth(0); 10545dc26b97366934ba0f896cea02a3fec027d5d5c1bsalomon@google.com writablePaint->setAlpha(newAlpha); 1055dd1be60702b3622f49d97651e31d13eaf2175cf8bsalomon@google.com } 10568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1058a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 105932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { 106032e5d97ccf60f859db063ebd6e903c362e625767reed@google.com doFill = paint->getFillPath(*pathPtr, &tmpPath); 10618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr = &tmpPath; 10628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1063a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 106432e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()) { 10658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 106632e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->getRasterizer()->rasterize(*pathPtr, *matrix, 1067045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com &fRC->getBounds(), paint->getMaskFilter(), &mask, 10688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::kComputeBoundsAndRenderImage_CreateMode)) { 106932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com this->drawDevMask(mask, *paint); 10708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask::FreeImage(mask.fImage); 10718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // avoid possibly allocating a new path in transform if we can 10768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath* devPathPtr = pathIsMutable ? pathPtr : &tmpPath; 10778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform the path into device space 10798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathPtr->transform(*matrix, devPathPtr); 10808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 108132e5d97ccf60f859db063ebd6e903c362e625767reed@google.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, *paint); 10828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10832ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()) { 1084fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkPaint::Style style = doFill ? SkPaint::kFill_Style : 10852ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::kStroke_Style; 10862ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org if (paint->getMaskFilter()->filterPath(*devPathPtr, *fMatrix, *fRC, 10872ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org fBounder, blitter.get(), 10882ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org style)) { 10892ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org return; // filterPath() called the blitter, so we're done 10902ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org } 10918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 109332e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (fBounder && !fBounder->doPath(*devPathPtr, *paint, doFill)) { 10948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 10958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 10968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1097045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); 10988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 109932e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1100045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiFillPath; 11018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1102045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::FillPath; 11038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 110532e5d97ccf60f859db063ebd6e903c362e625767reed@google.com if (paint->isAntiAlias()) { 1106045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::AntiHairPath; 11078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1108045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc = SkScan::HairPath; 11098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1111045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com proc(*devPathPtr, *fRC, blitter.get()); 11128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11140baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com/** For the purposes of drawing bitmaps, if a matrix is "almost" translate 11150baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com go ahead and treat it as if it were, so that subsequent code can go fast. 11160baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com */ 11170baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.comstatic bool just_translate(const SkMatrix& matrix, const SkBitmap& bitmap) { 1118070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com#ifdef SK_IGNORE_TRANS_CLAMP_FIX 11190baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com SkMatrix::TypeMask mask = matrix.getType(); 11200baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com 11210baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com if (mask & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)) { 11220baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com return false; 11230baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com } 11240baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com if (mask & SkMatrix::kScale_Mask) { 11250baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com SkScalar sx = matrix[SkMatrix::kMScaleX]; 11260baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com SkScalar sy = matrix[SkMatrix::kMScaleY]; 11270baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com int w = bitmap.width(); 11280baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com int h = bitmap.height(); 11290baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com int sw = SkScalarRound(SkScalarMul(sx, SkIntToScalar(w))); 11300baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com int sh = SkScalarRound(SkScalarMul(sy, SkIntToScalar(h))); 11310baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com return sw == w && sh == h; 11320baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com } 11330baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com // if we got here, we're either kTranslate_Mask or identity 11340baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com return true; 1135ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#else 1136070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com unsigned bits = 0; // TODO: find a way to allow the caller to tell us to 1137070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com // respect filtering. 1138070dcd8ad37a4c5b8a9015938409b27bb3ce3ab9reed@google.com return SkTreatAsSprite(matrix, bitmap.width(), bitmap.height(), bits); 1139ae57358447bac678e3fc458fa2857a349a6a7081reed@google.com#endif 11408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 11418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmapAsMask(const SkBitmap& bitmap, 11438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 11448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(bitmap.getConfig() == SkBitmap::kA8_Config); 11458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1146a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com if (just_translate(*fMatrix, bitmap)) { 11478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int ix = SkScalarRound(fMatrix->getTranslateX()); 11488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int iy = SkScalarRound(fMatrix->getTranslateY()); 11498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1150a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com SkAutoLockPixels alp(bitmap); 1151a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com if (!bitmap.readyToDraw()) { 1152a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com return; 1153a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com } 1154a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com 11558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 11568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 11578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 11588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = bitmap.rowBytes(); 11598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = bitmap.getAddr8(0, 0); 1160a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 11628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // need to xform the bitmap first 11638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 11648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1165a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, 11678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); 11688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapRect(&r); 11698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.round(&mask.fBounds); 1170a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // set the mask's bounds to the transformed bitmap-bounds, 11728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // clipped to the actual device 11738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 11748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devBounds; 11758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com devBounds.set(0, 0, fBitmap->width(), fBitmap->height()); 11768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need intersect(l, t, r, b) on irect 11778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!mask.fBounds.intersect(devBounds)) { 11788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 11798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 11808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1181543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com 11828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fFormat = SkMask::kA8_Format; 11838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fRowBytes = SkAlign4(mask.fBounds.width()); 1184543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask.computeImageSize(); 1185543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 1186543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // the mask is too big to allocated, draw nothing 1187543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return; 1188543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 11898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // allocate (and clear) our temp buffer to hold the transformed bitmap 11918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoMalloc storage(size); 11928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fImage = (uint8_t*)storage.get(); 11938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask.fImage, 0, size); 1194a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 11958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now draw our bitmap(src) into mask(dst), transformed by the matrix 11968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 11978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap device; 11988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com device.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), 11998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.height(), mask.fRowBytes); 12008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com device.setPixels(mask.fImage); 1201a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas c(device); 12038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need the unclipped top/left for the translate 12048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.translate(-SkIntToScalar(mask.fBounds.fLeft), 12058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 12068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com c.concat(*fMatrix); 12073469c76c40790b409621fd7eff34f56240718549reed@android.com 12083469c76c40790b409621fd7eff34f56240718549reed@android.com // We can't call drawBitmap, or we'll infinitely recurse. Instead 1209fb12c3e6ba84f95dc15fbaddc239dede0ba1d60ereed@android.com // we manually build a shader and draw that into our new mask 12103469c76c40790b409621fd7eff34f56240718549reed@android.com SkPaint tmpPaint; 12113469c76c40790b409621fd7eff34f56240718549reed@android.com tmpPaint.setFlags(paint.getFlags()); 121240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, tmpPaint); 12133469c76c40790b409621fd7eff34f56240718549reed@android.com SkRect rr; 12143469c76c40790b409621fd7eff34f56240718549reed@android.com rr.set(0, 0, SkIntToScalar(bitmap.width()), 12153469c76c40790b409621fd7eff34f56240718549reed@android.com SkIntToScalar(bitmap.height())); 121640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com c.drawRect(rr, install.paintWithShader()); 12178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawDevMask(mask, paint); 12198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1222045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& m, const SkRasterClip& c, 12238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkRect& srcR) { 12248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect dstR; 12258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect devIR; 1226a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.mapRect(&dstR, srcR); 1228a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com dstR.roundOut(&devIR); 12298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return c.quickReject(devIR); 12308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1232045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipped_out(const SkMatrix& matrix, const SkRasterClip& clip, 12338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int width, int height) { 12348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 12358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(width), SkIntToScalar(height)); 12368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return clipped_out(matrix, clip, r); 12378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 12388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1239045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic bool clipHandlesSprite(const SkRasterClip& clip, int x, int y, 1240045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkBitmap& bitmap) { 1241045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return clip.isBW() || 1242045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.quickContains(x, y, x + bitmap.width(), y + bitmap.height()); 1243045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1244045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 12458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawBitmap(const SkBitmap& bitmap, const SkMatrix& prematrix, 124640c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1247f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 12488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1250045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 12518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1252dcd0f3a980095b77ebe605b49777a4bd37ca7b0areed@google.com bitmap.getConfig() == SkBitmap::kNo_Config) { 12538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1255a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1256a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#ifndef SK_ALLOW_OVER_32K_BITMAPS 12578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // run away on too-big bitmaps for now (exceed 16.16) 12588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (bitmap.width() > 32767 || bitmap.height() > 32767) { 12598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1261a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#endif 1262a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 126340c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 126440c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 1265a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 12668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 12678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!matrix.setConcat(*fMatrix, prematrix)) { 12688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1271045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipped_out(matrix, *fRC, bitmap.width(), bitmap.height())) { 12728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 12738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 12748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1275218521e15706c4377b1be49d931c4d7c8d597445reed@android.com if (fBounder && just_translate(matrix, bitmap)) { 1276218521e15706c4377b1be49d931c4d7c8d597445reed@android.com SkIRect ir; 1277218521e15706c4377b1be49d931c4d7c8d597445reed@android.com int32_t ix = SkScalarRound(matrix.getTranslateX()); 1278218521e15706c4377b1be49d931c4d7c8d597445reed@android.com int32_t iy = SkScalarRound(matrix.getTranslateY()); 1279218521e15706c4377b1be49d931c4d7c8d597445reed@android.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1280218521e15706c4377b1be49d931c4d7c8d597445reed@android.com if (!fBounder->doIRect(ir)) { 1281218521e15706c4377b1be49d931c4d7c8d597445reed@android.com return; 1282218521e15706c4377b1be49d931c4d7c8d597445reed@android.com } 1283218521e15706c4377b1be49d931c4d7c8d597445reed@android.com } 1284218521e15706c4377b1be49d931c4d7c8d597445reed@android.com 12850baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com if (bitmap.getConfig() != SkBitmap::kA8_Config && 12860baf19375466cfc24c96532df406e7c5b1d1aae8reed@android.com just_translate(matrix, bitmap)) { 1287f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1288f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // It is safe to call lock pixels now, since we know the matrix is 1289f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // (more or less) identity. 1290f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com // 1291f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com SkAutoLockPixels alp(bitmap); 1292f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com if (!bitmap.readyToDraw()) { 1293f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com return; 1294f7ef56d9104fc651769760df9d5f861ef36de658reed@google.com } 1295045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int ix = SkScalarRound(matrix.getTranslateX()); 1296045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int iy = SkScalarRound(matrix.getTranslateY()); 1297045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (clipHandlesSprite(*fRC, ix, iy, bitmap)) { 1298045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com uint32_t storage[kBlitterStorageLongCount]; 1299045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 1300045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com ix, iy, storage, sizeof(storage)); 1301045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (blitter) { 1302045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoTPlacementDelete<SkBlitter> ad(blitter, storage); 1303045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1304045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect ir; 1305045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com ir.set(ix, iy, ix + bitmap.width(), iy + bitmap.height()); 1306045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(ir, *fRC, blitter); 1308045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return; 13098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1312a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now make a temp draw on the stack, and use it 13148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // 13158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 1317a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (bitmap.getConfig() == SkBitmap::kA8_Config) { 13198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawBitmapAsMask(bitmap, paint); 13208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 132140c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 13228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(0, 0, SkIntToScalar(bitmap.width()), 13258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIntToScalar(bitmap.height())); 1326a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this ok if paint has a rasterizer? 132740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, install.paintWithShader()); 13288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawSprite(const SkBitmap& bitmap, int x, int y, 133240c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& origPaint) const { 1333f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 1334a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1336045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isEmpty() || 13378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap.width() == 0 || bitmap.height() == 0 || 1338dcd0f3a980095b77ebe605b49777a4bd37ca7b0areed@google.com bitmap.getConfig() == SkBitmap::kNo_Config) { 13398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect bounds; 13438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(x, y, x + bitmap.width(), y + bitmap.height()); 13448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1345045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->quickReject(bounds)) { 13468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; // nothing to draw 13478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 134940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkPaint paint(origPaint); 135040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com paint.setStyle(SkPaint::kFill_Style); 13518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1352045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == paint.getColorFilter() && clipHandlesSprite(*fRC, x, y, bitmap)) { 13538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com uint32_t storage[kBlitterStorageLongCount]; 13548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter* blitter = SkBlitter::ChooseSprite(*fBitmap, paint, bitmap, 13558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x, y, storage, sizeof(storage)); 13568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (blitter) { 13588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoTPlacementDelete<SkBlitter> ad(blitter, storage); 13598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder && !fBounder->doIRect(bounds)) { 13618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1364045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillIRect(bounds, *fRC, blitter); 13658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 13668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 13688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 136940c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com SkAutoBitmapShaderInstall install(bitmap, paint); 137040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com const SkPaint& shaderPaint = install.paintWithShader(); 13718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 13738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 13748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // get a scalar version of our rect 13768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(bounds); 13778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // tell the shader our offset 13798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(r.fLeft, r.fTop); 138040c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com shaderPaint.getShader()->setLocalMatrix(matrix); 1381a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 13828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDraw draw(*this); 13838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.reset(); 13848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 13858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // call ourself with a rect 1386a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com // is this OK if paint has a rasterizer? 138740c2ba27b6e5c6a4b6c073264f8c0a7c86355abereed@google.com draw.drawRect(r, shaderPaint); 13888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 13898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 13918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkScalerContext.h" 13938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGlyphCache.h" 1394e69137620ab0b5b40d230318c8e11b822f63cb9dreed@google.com#include "SkTextToPathIter.h" 13958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 13968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void measure_text(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc, 13988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char text[], size_t byteLength, SkVector* stopVector) { 13998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed x = 0, y = 0; 14008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 14018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 1403a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 14048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 14058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // don't need x, y here, since all subpixel variants will have the 14068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // same advance 14078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 14088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += autokern.adjust(glyph) + glyph.fAdvanceX; 14108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += glyph.fAdvanceY; 14118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopVector->set(SkFixedToScalar(x), SkFixedToScalar(y)); 14138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(text == stop); 14158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText_asPaths(const char text[], size_t byteLength, 14188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, 14198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 1420f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 14218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1422166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 14238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 14258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setScale(iter.getPathScale(), iter.getPathScale()); 14268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(x, y); 14278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 14298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos, prevXPos = 0; 14308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14317b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 14328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(xpos - prevXPos, 0); 14337b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 14347b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com const SkPaint& pnt = iter.getPaint(); 14357b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 14367b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, *iterPath, pnt, &matrix, false); 14377b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 14387b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(*iterPath, pnt, &matrix, false); 14397b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 1440f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 14418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com prevXPos = xpos; 14428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 14438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// disable warning : local variable used without having been initialized 1446a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com#if defined _WIN32 && _MSC_VER >= 1300 14478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( push ) 14488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( disable : 4701 ) 14498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 14508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 14528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_NoBounder_RectClip(const SkDraw1Glyph& state, 1454f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 1455f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph) { 1456f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int left = SkFixedFloor(fx); 1457f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int top = SkFixedFloor(fy); 14588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 145983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(NULL == state.fBounder); 146083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT((NULL == state.fClip && state.fAAClip) || 146183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com (state.fClip && NULL == state.fAAClip && state.fClip->isRect())); 14628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 14648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 14658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int right = left + glyph.fWidth; 14678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int bottom = top + glyph.fHeight; 14688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1469fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkMask mask; 1470fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect storage; 1471fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com SkIRect* bounds = &mask.fBounds; 147283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 147383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fBounds.set(left, top, right, bottom); 147483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 147583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // this extra test is worth it, assuming that most of the time it succeeds 147683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com // since we can avoid writing to storage 147783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!state.fClipBounds.containsNoEmptyCheck(left, top, right, bottom)) { 147883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!storage.intersectNoEmptyCheck(mask.fBounds, state.fClipBounds)) 147983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 148083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com bounds = &storage; 148183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 148283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 148383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com uint8_t* aa = (uint8_t*)glyph.fImage; 148483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 148583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 148683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 148783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; // can't rasterize glyph 14888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 148983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 14908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 149183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 149283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 149383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = aa; 149483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com state.fBlitter->blitMask(mask, *bounds); 14958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 14968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 14978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_NoBounder_RgnClip(const SkDraw1Glyph& state, 1498f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 149983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkGlyph& glyph) { 1500f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int left = SkFixedFloor(fx); 1501f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int top = SkFixedFloor(fy); 15028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 150383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(!state.fClip->isRect()); 150483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkASSERT(NULL == state.fBounder); 15058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 15078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 15098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 15108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 151283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 151383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 151483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 151583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 151683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 151783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 151883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 151983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 1520fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com return; 15218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 152283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 152383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com 152483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 152583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 152683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 152783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 152883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com state.fBlitter->blitMask(mask, cr); 152983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 153083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 153183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void D1G_Bounder(const SkDraw1Glyph& state, 1535f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fx, SkFixed fy, 153683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkGlyph& glyph) { 1537f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int left = SkFixedFloor(fx); 1538f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com int top = SkFixedFloor(fy); 15398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(glyph.fWidth > 0 && glyph.fHeight > 0); 1540fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMask mask; 1542fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com left += glyph.fLeft; 15448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com top += glyph.fTop; 1545fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 15468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask.fBounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 15478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRegion::Cliperator clipper(*state.fClip, mask.fBounds); 1548fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 154983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (!clipper.done()) { 155083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const SkIRect& cr = clipper.rect(); 155183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com const uint8_t* aa = (const uint8_t*)glyph.fImage; 155283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 155383a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com aa = (uint8_t*)state.fCache->findImage(glyph); 155483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (NULL == aa) { 155583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com return; 15568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1557fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com } 1558fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 1559d055c1fde2128514167b315f4d104b177e04a3dereed@android.com // we need to pass the origin, which we approximate with our 1560d055c1fde2128514167b315f4d104b177e04a3dereed@android.com // (unadjusted) left,top coordinates (the caller called fixedfloor) 156183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com if (state.fBounder->doIRectGlyph(cr, 1562d055c1fde2128514167b315f4d104b177e04a3dereed@android.com left - glyph.fLeft, 1563d055c1fde2128514167b315f4d104b177e04a3dereed@android.com top - glyph.fTop, glyph)) { 156483a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fRowBytes = glyph.rowBytes(); 156583a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fFormat = static_cast<SkMask::Format>(glyph.fMaskFormat); 156683a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com mask.fImage = (uint8_t*)aa; 156783a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com do { 156883a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com state.fBlitter->blitMask(mask, cr); 156983a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com clipper.next(); 157083a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } while (!clipper.done()); 157183a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 157283a444602ec580a0040713eed588c245b4ae0ee9tomhudson@google.com } 15738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 15748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1575045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comstatic void D1G_Bounder_AAClip(const SkDraw1Glyph& state, 1576045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkFixed fx, SkFixed fy, 1577045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkGlyph& glyph) { 1578045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int left = SkFixedFloor(fx); 1579045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com int top = SkFixedFloor(fy); 1580045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkIRect bounds; 1581045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com bounds.set(left, top, left + glyph.fWidth, top + glyph.fHeight); 1582045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1583045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (state.fBounder->doIRectGlyph(bounds, left, top, glyph)) { 1584045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com D1G_NoBounder_RectClip(state, fx, fy, glyph); 1585045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1586045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com} 1587045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 1588fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool hasCustomD1GProc(const SkDraw& draw) { 1589fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return draw.fProcs && draw.fProcs->fD1GProc; 1590fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1591fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 1592fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.comstatic bool needsRasterTextBlit(const SkDraw& draw) { 1593fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com return !hasCustomD1GProc(draw); 1594fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com} 1595fd4236ecc1d5eb1bb48ca9dc33df5e9051c3036ereed@google.com 15968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comSkDraw1Glyph::Proc SkDraw1Glyph::init(const SkDraw* draw, SkBlitter* blitter, 15978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache) { 15988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDraw = draw; 15992211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBounder = draw->fBounder; 16002211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fBlitter = blitter; 16012211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fCache = cache; 16028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16031d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (hasCustomD1GProc(*draw)) { 1604045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com // todo: fix this assumption about clips w/ custom 1605045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = draw->fClip; 1606045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 16078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return draw->fProcs->fD1GProc; 16088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1610045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (draw->fRC->isBW()) { 1611045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = NULL; 1612045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = &draw->fRC->bwRgn(); 1613045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fClip->getBounds(); 1614045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == fBounder) { 1615045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fClip->isRect()) { 1616045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_NoBounder_RectClip; 1617045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1618045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_NoBounder_RgnClip; 1619045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1620045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { 1621045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_Bounder; 1622045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 1623045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } else { // aaclip 1624045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fAAClip = &draw->fRC->aaRgn(); 1625045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClip = NULL; 1626045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com fClipBounds = fAAClip->getBounds(); 1627045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (NULL == fBounder) { 16288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return D1G_NoBounder_RectClip; 16298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 1630045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com return D1G_Bounder_AAClip; 16318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 16348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 16368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawText(const char text[], size_t byteLength, 16388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x, SkScalar y, const SkPaint& paint) const { 16398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 16408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1641f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 16428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1644045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 16458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 164836d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // SkScalarRec doesn't currently have a way of representing hairline stroke and 164936d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com // will fill if its frame-width is 0. 16508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (/*paint.isLinearText() ||*/ 1651fc84359aa920567e72742877a1249f52d076ad35skia.committer@gmail.com (fMatrix->hasPerspective()) || 165236d6edac9f3e63d9a5f499d0076550d08b80eacabsalomon@google.com (0 == paint.getStrokeWidth() && SkPaint::kStroke_Style == paint.getStyle())) { 16538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawText_asPaths(text, byteLength, x, y, paint); 16548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 16558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 16588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1659f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkMatrix* matrix = fMatrix; 1660f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 1661532470f34dbe9fc0b8b71e3917eca8894feaf336bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, matrix); 16628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1663a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 16648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform our starting point 16658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 16668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint loc; 1667f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com matrix->mapXY(x, y, &loc); 16688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = loc.fX; 16698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y = loc.fY; 16708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 16738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 16748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector stop; 16758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com measure_text(cache, glyphCacheProc, text, byteLength, &stop); 16778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopX = stop.fX; 16798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar stopY = stop.fY; 16808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 16828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopX = SkScalarHalf(stopX); 16838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stopY = SkScalarHalf(stopY); 16848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x -= stopX; 16868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y -= stopY; 16878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1688a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 16898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fx = SkScalarToFixed(x); 16908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fy = SkScalarToFixed(y); 16918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 16928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1693f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fxMask = ~0; 1694f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fyMask = ~0; 16952211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com if (cache->isSubpixel()) { 1696cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com SkAxisAlignment baseline = SkComputeAxisAlignmentForHText(*matrix); 1697cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com if (kX_SkAxisAlignment == baseline) { 1698f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fyMask = 0; 1699cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com } else if (kY_SkAxisAlignment == baseline) { 1700f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fxMask = 0; 17018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1702fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 17032211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com // apply bias here to avoid adding 1/2 the sampling frequency in the loop 17042211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fx += SK_FixedHalf >> SkGlyph::kSubBits; 17052211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fy += SK_FixedHalf >> SkGlyph::kSubBits; 17062211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com } else { 17072211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fx += SK_FixedHalf; 17082211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fy += SK_FixedHalf; 17098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1711045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitter aaBlitter; 1712045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1713045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 17141d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 1715045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitterChooser.choose(*fBitmap, *matrix, paint); 1716045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1717045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1718045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com aaBlitter.init(blitter, &fRC->aaRgn()); 1719045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = &aaBlitter; 1720045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 17211d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 17221d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com 17238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoKern autokern; 172452c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com SkDraw1Glyph d1g; 1725045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache); 17268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 17282211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, fx & fxMask, fy & fyMask); 17298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += autokern.adjust(glyph); 17318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 173352c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com proc(d1g, fx, fy, glyph); 17348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fx += glyph.fAdvanceX; 17368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fy += glyph.fAdvanceY; 17378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 17388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// last parameter is interpreted as SkFixed [x, y] 17418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// return the fixed position, which may be rounded or not by the caller 17428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// e.g. subpixel doesn't round 17438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comtypedef void (*AlignProc)(const SkPoint&, const SkGlyph&, SkIPoint*); 17448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void leftAlignProc(const SkPoint& loc, const SkGlyph& glyph, 17468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint* dst) { 17478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX), SkScalarToFixed(loc.fY)); 17488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void centerAlignProc(const SkPoint& loc, const SkGlyph& glyph, 17518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint* dst) { 17528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX) - (glyph.fAdvanceX >> 1), 17538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalarToFixed(loc.fY) - (glyph.fAdvanceY >> 1)); 17548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void rightAlignProc(const SkPoint& loc, const SkGlyph& glyph, 17578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint* dst) { 17588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->set(SkScalarToFixed(loc.fX) - glyph.fAdvanceX, 17598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalarToFixed(loc.fY) - glyph.fAdvanceY); 17608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic AlignProc pick_align_proc(SkPaint::Align align) { 17638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const AlignProc gProcs[] = { 17648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com leftAlignProc, centerAlignProc, rightAlignProc 17658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 1766a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT((unsigned)align < SK_ARRAY_COUNT(gProcs)); 17688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return gProcs[align]; 17708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 17718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass TextMapState { 17738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 17748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mutable SkPoint fLoc; 1775a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TextMapState(const SkMatrix& matrix, SkScalar y) 17778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fMatrix(matrix), fProc(matrix.getMapXYProc()), fY(y) {} 17788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef void (*Proc)(const TextMapState&, const SkScalar pos[]); 1780a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Proc pickProc(int scalarsPerPosition); 1782a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 17848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& fMatrix; 17858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc fProc; 17868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fY; // ignored by MapXYProc 17878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // these are only used by Only... procs 17888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar fScaleX, fTransX, fTransformedY; 17898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 17908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapXProc(const TextMapState& state, const SkScalar pos[]) { 17918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fProc(state.fMatrix, *pos, state.fY, &state.fLoc); 17928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1793a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapXYProc(const TextMapState& state, const SkScalar pos[]) { 17958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fProc(state.fMatrix, pos[0], pos[1], &state.fLoc); 17968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1797a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 17988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapOnlyScaleXProc(const TextMapState& state, 17998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[]) { 18008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fLoc.set(SkScalarMul(state.fScaleX, *pos) + state.fTransX, 18018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fTransformedY); 18028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1803a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static void MapOnlyTransXProc(const TextMapState& state, 18058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[]) { 18068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.fLoc.set(*pos + state.fTransX, state.fTransformedY); 18078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 18098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comTextMapState::Proc TextMapState::pickProc(int scalarsPerPosition) { 18118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 1812a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (1 == scalarsPerPosition) { 18148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unsigned mtype = fMatrix.getType(); 18158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (mtype & (SkMatrix::kAffine_Mask | SkMatrix::kPerspective_Mask)) { 18168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return MapXProc; 18178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fScaleX = fMatrix.getScaleX(); 18198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTransX = fMatrix.getTranslateX(); 18208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fTransformedY = SkScalarMul(fY, fMatrix.getScaleY()) + 18218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix.getTranslateY(); 18228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return (mtype & SkMatrix::kScale_Mask) ? 18238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com MapOnlyScaleXProc : MapOnlyTransXProc; 18248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 18268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return MapXYProc; 18278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 18298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 18318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawPosText(const char text[], size_t byteLength, 18338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkScalar pos[], SkScalar constY, 18348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scalarsPerPosition, const SkPaint& paint) const { 18358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 18368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(1 == scalarsPerPosition || 2 == scalarsPerPosition); 18378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1838f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkDEBUGCODE(this->validate();) 18398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 1841045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 18428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 18438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (/*paint.isLinearText() ||*/ 18468d430185e08d2067584837a76b7193b803fee7a0tomhudson@google.com (fMatrix->hasPerspective())) { 18478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // TODO !!!! 18488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// this->drawText_asPaths(text, byteLength, x, y, paint); 18498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 18508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 18518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1852f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkMatrix* matrix = fMatrix; 1853a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawCacheProc glyphCacheProc = paint.getDrawCacheProc(); 1855532470f34dbe9fc0b8b71e3917eca8894feaf336bungeman@google.com SkAutoGlyphCache autoCache(paint, &fDevice->fLeakyProperties, matrix); 18568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkGlyphCache* cache = autoCache.getCache(); 1857a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1858045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAAClipBlitterWrapper wrapper; 1859045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkAutoBlitterChoose blitterChooser; 1860045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBlitter* blitter = NULL; 18611d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com if (needsRasterTextBlit(*this)) { 1862045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitterChooser.choose(*fBitmap, *matrix, paint); 1863045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = blitterChooser.get(); 1864045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (fRC->isAA()) { 1865045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com wrapper.init(*fRC, blitter); 1866045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com blitter = wrapper.getBlitter(); 1867045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com } 18681d6ee0bd4db7f3b676209341214641d9af5a965freed@google.com } 1869fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 18708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const char* stop = text + byteLength; 18718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com AlignProc alignProc = pick_align_proc(paint.getTextAlign()); 18722211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkDraw1Glyph d1g; 18732211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkDraw1Glyph::Proc proc = d1g.init(this, blitter, cache); 1874f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com TextMapState tms(*matrix, constY); 18758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TextMapState::Proc tmsProc = tms.pickProc(scalarsPerPosition); 18768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18772211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com if (cache->isSubpixel()) { 18788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // maybe we should skip the rounding if linearText is set 1879cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com SkAxisAlignment roundBaseline = SkComputeAxisAlignmentForHText(*matrix); 18808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 18818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 18828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 1883a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmsProc(tms, pos); 1885a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 18862211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkFixed fx = SkScalarToFixed(tms.fLoc.fX) + (SK_FixedHalf >> SkGlyph::kSubBits); 18872211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com SkFixed fy = SkScalarToFixed(tms.fLoc.fY) + (SK_FixedHalf >> SkGlyph::kSubBits); 18887f5350346aa69447d59ef976011746fd3fe6904ebungeman@google.com 1889f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fxMask = ~0; 1890f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fyMask = ~0; 18918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1892cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com if (kX_SkAxisAlignment == roundBaseline) { 1893f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fyMask = 0; 1894cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com } else if (kY_SkAxisAlignment == roundBaseline) { 1895f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fxMask = 0; 18968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1897a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1898f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 1899f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fx & fxMask, fy & fyMask); 1900a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph.fWidth) { 1902f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com proc(d1g, fx, fy, glyph); 19038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 19058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 19078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (text < stop) { 19089330cfe851b14b8985acc14caa3dc5ad20b0b2a8bungeman@google.com const char* currentText = text; 19098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkGlyph* glyph = &glyphCacheProc(cache, &text, 0, 0); 1910a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (glyph->fWidth) { 19128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(SkFixed prevAdvX = glyph->fAdvanceX;) 19138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDEBUGCODE(SkFixed prevAdvY = glyph->fAdvanceY;) 19148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkFixed fx, fy; 1916f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fxMask = ~0; 1917f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkFixed fyMask = ~0; 19188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com tmsProc(tms, pos); 1919a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 19218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIPoint fixedLoc; 19228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com alignProc(tms.fLoc, *glyph, &fixedLoc); 19232211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fx = fixedLoc.fX + (SK_FixedHalf >> SkGlyph::kSubBits); 19242211b623274e24d0025763cfa855c9eb53d5b900bungeman@google.com fy = fixedLoc.fY + (SK_FixedHalf >> SkGlyph::kSubBits); 19258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1926cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com if (kX_SkAxisAlignment == roundBaseline) { 1927f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fyMask = 0; 1928cb6ccdde5120ec45df208c0b958b263d8252a505reed@google.com } else if (kY_SkAxisAlignment == roundBaseline) { 1929f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com fxMask = 0; 19308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1932a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 19338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // have to call again, now that we've been "aligned" 19349330cfe851b14b8985acc14caa3dc5ad20b0b2a8bungeman@google.com glyph = &glyphCacheProc(cache, ¤tText, 19359330cfe851b14b8985acc14caa3dc5ad20b0b2a8bungeman@google.com fx & fxMask, fy & fyMask); 19368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // the assumption is that the advance hasn't changed 19378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(prevAdvX == glyph->fAdvanceX); 19388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(prevAdvY == glyph->fAdvanceY); 1939a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1940f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com proc(d1g, fx, fy, *glyph); 19418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos += scalarsPerPosition; 19438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // not subpixel 1946aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (SkPaint::kLeft_Align == paint.getTextAlign()) { 1947aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 1948aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 1949aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1950fbfcd5602128ec010c82cb733c9cdc0a3254f9f3rmistry@google.com 1951aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 1952aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com tmsProc(tms, pos); 1953a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1954aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 1955aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com SkScalarToFixed(tms.fLoc.fX) + SK_FixedHalf, 1956aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com SkScalarToFixed(tms.fLoc.fY) + SK_FixedHalf, 1957aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 1958aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1959aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 1960aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1961aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } else { 1962aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com while (text < stop) { 1963aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com // the last 2 parameters are ignored 1964aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text, 0, 0); 1965a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1966aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com if (glyph.fWidth) { 1967aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com tmsProc(tms, pos); 1968a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 1969aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com SkIPoint fixedLoc; 1970aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com alignProc(tms.fLoc, glyph, &fixedLoc); 1971aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com 1972aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com proc(d1g, 1973aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com fixedLoc.fX + SK_FixedHalf, 1974aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com fixedLoc.fY + SK_FixedHalf, 1975aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com glyph); 1976aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com } 1977aeb07864052fde0acba0ae1a42a01db3407f1f6ereed@google.com pos += scalarsPerPosition; 19788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 19818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 19828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#if defined _WIN32 && _MSC_VER >= 1300 19848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#pragma warning ( pop ) 19858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 19868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 19888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPathMeasure.h" 19908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpoints(SkPoint dst[], const SkPoint src[], int count, 19928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure& meas, const SkMatrix& matrix) { 19938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix::MapXYProc proc = matrix.getMapXYProc(); 19948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 19968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pos; 19978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkVector tangent; 19988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 19998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com proc(matrix, src[i].fX, src[i].fY, &pos); 20008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sx = pos.fX; 20018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar sy = pos.fY; 20028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20038f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com if (!meas.getPosTan(sx, &pos, &tangent)) { 20048f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com // set to 0 if the measure failed, so that we just set dst == pos 20058f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com tangent.set(0, 0); 20068f17b0d5e14fa336f65e33ecf30f15929aa75790reed@google.com } 20078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* This is the old way (that explains our approach but is way too slow 20098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix matrix; 20108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint pt; 20118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pt.set(sx, sy); 20138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setSinCos(tangent.fY, tangent.fX); 20148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.preTranslate(-sx, 0); 20158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.postTranslate(pos.fX, pos.fY); 20168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.mapPoints(&dst[i], &pt, 1); 20178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 20188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[i].set(pos.fX - SkScalarMul(tangent.fY, sy), 20198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pos.fY + SkScalarMul(tangent.fX, sy)); 20208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/* TODO 20248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Need differentially more subdivisions when the follow-path is curvy. Not sure how to 20268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com determine that, but we need it. I guess a cheap answer is let the caller tell us, 20278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com but that seems like a cop-out. Another answer is to get Rob Johnson to figure it out. 20288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com*/ 20298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void morphpath(SkPath* dst, const SkPath& src, SkPathMeasure& meas, 20308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix) { 20318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Iter iter(src, false); 20328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint srcP[4], dstP[3]; 20338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPath::Verb verb; 20348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while ((verb = iter.next(srcP)) != SkPath::kDone_Verb) { 20368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (verb) { 20378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kMove_Verb: 20388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 1, meas, matrix); 20398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->moveTo(dstP[0]); 20408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kLine_Verb: 20428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // turn lines into quads to look bendy 20438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fX = SkScalarAve(srcP[0].fX, srcP[1].fX); 20448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcP[0].fY = SkScalarAve(srcP[0].fY, srcP[1].fY); 20458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, srcP, 2, meas, matrix); 20468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 20478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kQuad_Verb: 20498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 2, meas, matrix); 20508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->quadTo(dstP[0], dstP[1]); 20518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kCubic_Verb: 20538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com morphpoints(dstP, &srcP[1], 3, meas, matrix); 20548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->cubicTo(dstP[0], dstP[1], dstP[2]); 20558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkPath::kClose_Verb: 20578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst->close(); 20588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 20600c00f21fee3f5cfa3aa7e5d46ff94cb8cf340451tomhudson@google.com SkDEBUGFAIL("unknown verb"); 20618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com break; 20628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 20658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawTextOnPath(const char text[], size_t byteLength, 20678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath& follow, const SkMatrix* matrix, 20688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 20698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(byteLength == 0 || text != NULL); 20708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // nothing to draw 2072045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 20738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 20748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2076166e653f67f3fffc3846184a25ce45ab083f07a2djsollen@google.com SkTextToPathIter iter(text, byteLength, paint, true); 20778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPathMeasure meas(follow, false); 20788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar hOffset = 0; 20798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to measure first 20818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() != SkPaint::kLeft_Align) { 20828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar pathLen = meas.getLength(); 20838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getTextAlign() == SkPaint::kCenter_Align) { 20848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathLen = SkScalarHalf(pathLen); 20858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com hOffset += pathLen; 20878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 20888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPath* iterPath; 20908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar xpos; 20918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix scaledMatrix; 20928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar scale = iter.getPathScale(); 20938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 20948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scaledMatrix.setScale(scale, scale); 2095a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 20967b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com while (iter.next(&iterPath, &xpos)) { 20977b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (iterPath) { 20987b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkPath tmp; 20997b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com SkMatrix m(scaledMatrix); 21008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21017b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postTranslate(xpos + hOffset, 0); 21027b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (matrix) { 21037b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com m.postConcat(*matrix); 21047b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 21057b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com morphpath(&tmp, *iterPath, meas, m); 21067b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com if (fDevice) { 21077b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com fDevice->drawPath(*this, tmp, iter.getPaint(), NULL, true); 21087b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } else { 21097b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com this->drawPath(tmp, iter.getPaint(), NULL, true); 21107b4531f64cbd85d32a77ceab1bdec8335c5a7864reed@google.com } 2111f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 21128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 21148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 211556c69773aea56c6c6bd47bc7e7970dd081205184djsollen@google.com#ifdef SK_BUILD_FOR_ANDROID 2116cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.comvoid SkDraw::drawPosTextOnPath(const char text[], size_t byteLength, 2117cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkPoint pos[], const SkPaint& paint, 2118cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkPath& path, const SkMatrix* matrix) const { 2119cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // nothing to draw 2120045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (text == NULL || byteLength == 0 || fRC->isEmpty()) { 2121cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com return; 2122cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2123cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2124cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkMatrix scaledMatrix; 2125cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPathMeasure meas(path, false); 2126cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2127cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkMeasureCacheProc glyphCacheProc = paint.getMeasureCacheProc( 2128cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPaint::kForward_TextBufferDirection, true); 2129cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2130cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // Copied (modified) from SkTextToPathIter constructor to setup paint 2131cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPaint tempPaint(paint); 2132cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2133cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setLinearText(true); 2134cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setMaskFilter(NULL); // don't want this affecting our path-cache lookup 2135cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2136cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com if (tempPaint.getPathEffect() == NULL && !(tempPaint.getStrokeWidth() > 0 2137cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com && tempPaint.getStyle() != SkPaint::kFill_Style)) { 2138cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setStyle(SkPaint::kFill_Style); 2139cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com tempPaint.setPathEffect(NULL); 2140cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2141cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // End copied from SkTextToPathIter constructor 2142cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2143cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // detach cache 2144f38f93c118b71e414c33fe2619ed1d7b1267a7a1bungeman@google.com SkGlyphCache* cache = tempPaint.detachCache(NULL, NULL); 2145cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2146cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // Must set scale, even if 1 2147cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkScalar scale = SK_Scalar1; 2148cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com scaledMatrix.setScale(scale, scale); 2149cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2150cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // Loop over all glyph ids 2151cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com for (const char* stop = text + byteLength; text < stop; pos++) { 2152cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2153cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkGlyph& glyph = glyphCacheProc(cache, &text); 2154cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkPath tmp; 2155cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2156cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com const SkPath* glyphPath = cache->findPath(glyph); 2157cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com if (glyphPath == NULL) { 2158cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com continue; 2159cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2160cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2161cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkMatrix m(scaledMatrix); 2162cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com m.postTranslate(pos->fX, 0); 2163cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2164cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com if (matrix) { 2165cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com m.postConcat(*matrix); 2166cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2167cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2168cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com morphpath(&tmp, *glyphPath, meas, m); 2169cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com this->drawPath(tmp, tempPaint); 2170cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2171cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com } 2172cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 2173cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com // re-attach cache 2174cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com SkGlyphCache::AttachCache(cache); 2175cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com} 2176cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com#endif 2177cd9d69b9ce7eb301a9fd8d91b9f95fd99b07bae5djsollen@google.com 21788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/////////////////////////////////////////////////////////////////////////////// 21798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstruct VertState { 21818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int f0, f1, f2; 21828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState(int vCount, const uint16_t indices[], int indexCount) 21848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fIndices(indices) { 21858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCurrIndex = 0; 21868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (indices) { 21878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount = indexCount; 21888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 21898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fCount = vCount; 21908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 21918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2192a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2193a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com typedef bool (*Proc)(VertState*); 21948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Proc chooseProc(SkCanvas::VertexMode mode); 21958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 21968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 21978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fCount; 21988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fCurrIndex; 21998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* fIndices; 2200a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 22018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool Triangles(VertState*); 22028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TrianglesX(VertState*); 22038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleStrip(VertState*); 22048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleStripX(VertState*); 22058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleFan(VertState*); 22068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static bool TriangleFanX(VertState*); 22078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 22088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::Triangles(VertState* state) { 22108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 0; 22158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 3; 22188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TrianglesX(VertState* state) { 22228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 0]; 22288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 3; 22318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleStrip(VertState* state) { 22358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index & 1) { 22418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 1; 22428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 0; 22438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = index + 0; 22458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleStripX(VertState* state) { 22528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index & 1) { 22598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 1]; 22608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 0]; 22618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 22628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[index + 0]; 22638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleFan(VertState* state) { 22708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = 0; 22758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = index + 1; 22768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = index + 2; 22778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool VertState::TriangleFanX(VertState* state) { 22828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t* indices = state->fIndices; 22838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index = state->fCurrIndex; 22848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (index + 3 > state->fCount) { 22858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 22868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 22878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f0 = indices[0]; 22888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f1 = indices[index + 1]; 22898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->f2 = indices[index + 2]; 22908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state->fCurrIndex = index + 1; 22918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 22928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 22938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comVertState::Proc VertState::chooseProc(SkCanvas::VertexMode mode) { 22958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com switch (mode) { 22968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangles_VertexMode: 22978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TrianglesX : Triangles; 22988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangleStrip_VertexMode: 22998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TriangleStripX : TriangleStrip; 23008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case SkCanvas::kTriangleFan_VertexMode: 23018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fIndices ? TriangleFanX : TriangleFan; 23028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com default: 23038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return NULL; 23048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2307045e62d715f5ee9b03deb5af3c750f8318096179reed@google.comtypedef void (*HairProc)(const SkPoint&, const SkPoint&, const SkRasterClip&, 23088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlitter*); 23098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic HairProc ChooseHairProc(bool doAntiAlias) { 23118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine; 23128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool texture_to_matrix(const VertState& state, const SkPoint verts[], 23158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint texs[], SkMatrix* matrix) { 23168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src[3], dst[3]; 2317a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[0] = texs[state.f0]; 23198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[1] = texs[state.f1]; 23208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com src[2] = texs[state.f2]; 23218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[0] = verts[state.f0]; 23228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[1] = verts[state.f1]; 23238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dst[2] = verts[state.f2]; 23248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return matrix->setPolyToPoly(src, dst, 3); 23258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkTriColorShader : public SkShader { 23288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 23298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader() {} 23308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool setup(const SkPoint pts[], const SkColor colors[], int, int, int); 2332a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 2333a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count) SK_OVERRIDE; 2334a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 233576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com SK_DEVELOPER_TO_STRING() 2336ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkTriColorShader) 2337ba28d03e94dc221d6a803bf2a84a420b9159255cdjsollen@google.com 23388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 23398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader(SkFlattenableReadBuffer& buffer) : SkShader(buffer) {} 2340a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 23428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix fDstToUnit; 23438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPMColor fColors[3]; 2344a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com typedef SkShader INHERITED; 23468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 23478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkTriColorShader::setup(const SkPoint pts[], const SkColor colors[], 23498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int index0, int index1, int index2) { 2350a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[0] = SkPreMultiplyColor(colors[index0]); 23528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[1] = SkPreMultiplyColor(colors[index1]); 23538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fColors[2] = SkPreMultiplyColor(colors[index2]); 2354a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkMatrix m, im; 23568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.reset(); 23578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(0, pts[index1].fX - pts[index0].fX); 23588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(1, pts[index2].fX - pts[index0].fX); 23598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(2, pts[index0].fX); 23608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(3, pts[index1].fY - pts[index0].fY); 23618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(4, pts[index2].fY - pts[index0].fY); 23628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com m.set(5, pts[index0].fY); 23638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!m.invert(&im)) { 23648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 23658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return fDstToUnit.setConcat(im, this->getTotalInverse()); 23678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 2370689411a87ca7d19abe04b5c9baff26bd96b2123ereed@android.com#include "SkComposeShader.h" 23718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic int ScalarTo256(SkScalar v) { 23738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale = SkScalarToFixed(v) >> 8; 23748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale < 0) { 23758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 0; 23768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale > 255) { 23788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale = 255; 23798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return SkAlpha255To256(scale); 23818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 23828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 23838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkTriColorShader::shadeSpan(int x, int y, SkPMColor dstC[], int count) { 23848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint src; 2385a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for (int i = 0; i < count; i++) { 23878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fDstToUnit.mapXY(SkIntToScalar(x), SkIntToScalar(y), &src); 23888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += 1; 2389a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 23908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale1 = ScalarTo256(src.fX); 23918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale2 = ScalarTo256(src.fY); 23928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int scale0 = 256 - scale1 - scale2; 23938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale0 < 0) { 23948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (scale1 > scale2) { 23958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale2 = 256 - scale1; 23968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 23978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale1 = 256 - scale2; 23988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 23998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com scale0 = 0; 24008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2401a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com dstC[i] = SkAlphaMulQ(fColors[0], scale0) + 24038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAlphaMulQ(fColors[1], scale1) + 24048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAlphaMulQ(fColors[2], scale2); 24058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 24078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 240876f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#ifdef SK_DEVELOPER 240976f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.comvoid SkTriColorShader::toString(SkString* str) const { 241076f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append("SkTriColorShader: ("); 241176f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 241276f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com this->INHERITED::toString(str); 241376f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 241476f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com str->append(")"); 241576f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com} 241676f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com#endif 241776f9e938df0b5826fd4c80b854ceafaf385cfbe1robertphillips@google.com 24188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkDraw::drawVertices(SkCanvas::VertexMode vmode, int count, 24198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPoint vertices[], const SkPoint textures[], 24208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkColor colors[], SkXfermode* xmode, 24218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const uint16_t indices[], int indexCount, 24228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) const { 24238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(0 == count || NULL != vertices); 2424a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // abort early if there is nothing to draw 2426045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com if (count < 3 || (indices && indexCount < 3) || fRC->isEmpty()) { 24278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 24288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2429a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // transform out vertices into device coordinates 24318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoSTMalloc<16, SkPoint> storage(count); 24328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPoint* devVerts = storage.get(); 24338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com fMatrix->mapPoints(devVerts, vertices, count); 2434a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (fBounder) { 24368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect bounds; 24378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.set(devVerts, count); 24388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!fBounder->doRect(bounds, paint)) { 24398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return; 24408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2442a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /* 24448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com We can draw the vertices in 1 of 4 ways: 24458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - solid color (no shader/texture[], no colors[]) 24478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just colors (no shader/texture[], has colors[]) 24488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - just texture (has shader/texture[], no colors[]) 24498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com - colors * texture (has shader/texture[], has colors[]) 2450a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 24518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Thus for texture drawing, we need both texture[] and a shader. 24528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 24538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTriColorShader triShader; // must be above declaration of p 24558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p(paint); 24568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = p.getShader(); 24588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == shader) { 24598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we have no shader, we ignore the texture coordinates 24608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com textures = NULL; 24618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else if (NULL == textures) { 24628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // if we don't have texture coordinates, ignore the shader 24638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(NULL); 24648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader = NULL; 24658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup the custom shader (if needed) 24688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 24698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == textures) { 24708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // just colors (no texture) 2471a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader = p.setShader(&triShader); 24728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 24738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // colors * texture 24748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(shader); 24758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool releaseMode = false; 24768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL == xmode) { 2477845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com xmode = SkXfermode::Create(SkXfermode::kMultiply_Mode); 24788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com releaseMode = true; 24798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* compose = SkNEW_ARGS(SkComposeShader, 24818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com (&triShader, shader, xmode)); 24828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setShader(compose)->unref(); 24838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (releaseMode) { 24848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com xmode->unref(); 24858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2486a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader = compose; 24878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 24898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 24908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoBlitterChoose blitter(*fBitmap, *fMatrix, p); 2491ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // important that we abort early, as below we may manipulate the shader 2492ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // and that is only valid if the shader returned true from setContext. 2493ea033606a06d05d2d42aa7118409fee798e53167reed@google.com // If it returned false, then our blitter will be the NullBlitter. 2494ea033606a06d05d2d42aa7118409fee798e53167reed@google.com if (blitter->isNullBlitter()) { 2495ea033606a06d05d2d42aa7118409fee798e53167reed@google.com return; 2496ea033606a06d05d2d42aa7118409fee798e53167reed@google.com } 2497ea033606a06d05d2d42aa7118409fee798e53167reed@google.com 24988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // setup our state and function pointer for iterating triangles 24998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState state(count, indices, indexCount); 25008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com VertState::Proc vertProc = state.chooseProc(vmode); 2501a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 25028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures || NULL != colors) { 2503f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com SkMatrix tempM; 2504f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com SkMatrix savedLocalM; 2505f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com if (shader) { 2506f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com savedLocalM = shader->getLocalMatrix(); 2507f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com } 2508a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 25098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 25108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != textures) { 25118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (texture_to_matrix(state, vertices, textures, &tempM)) { 2512f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com tempM.postConcat(savedLocalM); 25138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com shader->setLocalMatrix(tempM); 25148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // need to recal setContext since we changed the local matrix 2515a641f3f18e5319773989812a888f3fad49e4f2adreed@google.com shader->endContext(); 25168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!shader->setContext(*fBitmap, p, *fMatrix)) { 25178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 25188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != colors) { 25228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!triShader.setup(vertices, colors, 25238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com state.f0, state.f1, state.f2)) { 25248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com continue; 25258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2527045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com 2528045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPoint tmp[] = { 2529045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com devVerts[state.f0], devVerts[state.f1], devVerts[state.f2] 2530045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com }; 2531045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkScan::FillTriangle(tmp, *fRC, blitter.get()); 25328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // now restore the shader's original local matrix 25348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (NULL != shader) { 2535f94b3a4cebd4adab09c40ebe23c02a615e10c394bsalomon@google.com shader->setLocalMatrix(savedLocalM); 25368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 25388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // no colors[] and no texture 25398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com HairProc hairProc = ChooseHairProc(paint.isAntiAlias()); 2540045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkRasterClip& clip = *fRC; 25418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com while (vertProc(&state)) { 2542045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f0], devVerts[state.f1], clip, blitter.get()); 2543045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f1], devVerts[state.f2], clip, blitter.get()); 2544045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com hairProc(devVerts[state.f2], devVerts[state.f0], clip, blitter.get()); 25458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 25478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25490a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25500a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifdef SK_DEBUG 25538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2554f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.comvoid SkDraw::validate() const { 25558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fBitmap != NULL); 25568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fMatrix != NULL); 25578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(fClip != NULL); 2558045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkASSERT(fRC != NULL); 25598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2560045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com const SkIRect& cr = fRC->getBounds(); 25618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect br; 25628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2563f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com br.set(0, 0, fBitmap->width(), fBitmap->height()); 25648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(cr.isEmpty() || br.contains(cr)); 25658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 25688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25690a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com/////////////////////////////////////////////////////////////////////////////// 25700a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com 25710a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.comSkBounder::SkBounder() { 25720a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com // initialize up front. This gets reset by SkCanvas before each draw call. 25730a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com fClip = &SkRegion::GetEmptyRegion(); 25740a0a236c3ba241046d38caaf78226ec68ff9c998reed@google.com} 25758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 25768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doIRect(const SkIRect& r) { 25778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect rr; 25788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return rr.intersect(fClip->getBounds(), r) && this->onIRect(rr); 25798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 25808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2581d055c1fde2128514167b315f4d104b177e04a3dereed@android.com// TODO: change the prototype to take fixed, and update the callers 2582d055c1fde2128514167b315f4d104b177e04a3dereed@android.combool SkBounder::doIRectGlyph(const SkIRect& r, int x, int y, 2583d055c1fde2128514167b315f4d104b177e04a3dereed@android.com const SkGlyph& glyph) { 2584474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com SkIRect rr; 2585d055c1fde2128514167b315f4d104b177e04a3dereed@android.com if (!rr.intersect(fClip->getBounds(), r)) { 2586d055c1fde2128514167b315f4d104b177e04a3dereed@android.com return false; 2587d055c1fde2128514167b315f4d104b177e04a3dereed@android.com } 2588d055c1fde2128514167b315f4d104b177e04a3dereed@android.com GlyphRec rec; 2589d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fLSB.set(SkIntToFixed(x), SkIntToFixed(y)); 2590d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fRSB.set(rec.fLSB.fX + glyph.fAdvanceX, 2591d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fLSB.fY + glyph.fAdvanceY); 2592d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fGlyphID = glyph.getGlyphID(); 2593d055c1fde2128514167b315f4d104b177e04a3dereed@android.com rec.fFlags = 0; 2594d055c1fde2128514167b315f4d104b177e04a3dereed@android.com return this->onIRectGlyph(rr, rec); 2595474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com} 2596474a12c4976b3000174cad5df74c498cd723c5e2reed@android.com 25978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doHairline(const SkPoint& pt0, const SkPoint& pt1, 25988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint) { 25998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect r; 26008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar v0, v1; 26018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v0 = pt0.fX; 26038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v1 = pt1.fX; 26048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (v0 > v1) { 26058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTSwap<SkScalar>(v0, v1); 26068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fLeft = SkScalarFloor(v0); 26088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fRight = SkScalarCeil(v1); 26098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v0 = pt0.fY; 26118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com v1 = pt1.fY; 26128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (v0 > v1) { 26138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkTSwap<SkScalar>(v0, v1); 26148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fTop = SkScalarFloor(v0); 26168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.fBottom = SkScalarCeil(v1); 26178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(-1, -1); 26208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doRect(const SkRect& rect, const SkPaint& paint) { 26258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect r; 26268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.getStyle() == SkPaint::kFill_Style) { 26288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rect.round(&r); 26298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { 26308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int rad = -1; 26318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rect.roundOut(&r); 26328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com rad = -2; 26348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(rad, rad); 26368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkBounder::doPath(const SkPath& path, const SkPaint& paint, bool doFill) { 2641d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkIRect r; 2642d252db03d9650013b545ef9781fe993c07f8f314reed@android.com const SkRect& bounds = path.getBounds(); 26438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (doFill) { 26458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.round(&r); 26468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } else { // hairline 26478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds.roundOut(&r); 26488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (paint.isAntiAlias()) { 26518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.inset(-1, -1); 26528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->doIRect(r); 26548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comvoid SkBounder::commit() { 26578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // override in subclass 26588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 26598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com//////////////////////////////////////////////////////////////////////////////////////////////// 26618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 26638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDraw.h" 26648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 26658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlitter.h" 26668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic bool compute_bounds(const SkPath& devPath, const SkIRect* clipBounds, 266830711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 26698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkIRect* bounds) { 26708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (devPath.isEmpty()) { 26718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 26728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 26748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // init our bounds from the path 26758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com { 2676d252db03d9650013b545ef9781fe993c07f8f314reed@android.com SkRect pathBounds = devPath.getBounds(); 26778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.inset(-SK_ScalarHalf, -SK_ScalarHalf); 26788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com pathBounds.roundOut(bounds); 26798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2680a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 26816db75fc2c393ba86a3f533597a8bcd348477e79ctomhudson@google.com SkIPoint margin = SkIPoint::Make(0, 0); 26828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (filter) { 26838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkASSERT(filterMatrix); 2684a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 26855af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkMask srcM, dstM; 2686a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 26878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fBounds = *bounds; 26888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fFormat = SkMask::kA8_Format; 26898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com srcM.fImage = NULL; 26908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!filter->filterMask(&dstM, srcM, *filterMatrix, &margin)) { 26918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 26928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 26938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2694a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 26955af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com // (possibly) trim the bounds to reflect the clip 26968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (plus whatever slop the filter needs) 26975af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (clipBounds) { 26985af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com SkIRect tmp = *clipBounds; 26993555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // Ugh. Guard against gigantic margins from wacky filters. Without this 27003555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // check we can request arbitrary amounts of slop beyond our visible 27013555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // clip, and bring down the renderer (at least on finite RAM machines 27023555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // like handsets, etc.). Need to balance this invented value between 27033555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // quality of large filters like blurs, and the corresponding memory 27043555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com // requests. 27053555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com static const int MAX_MARGIN = 128; 27063555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com tmp.inset(-SkMin32(margin.fX, MAX_MARGIN), 27073555591c158c242b071c7ec92ad75b6e4cb74af2reed@android.com -SkMin32(margin.fY, MAX_MARGIN)); 27085af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com if (!bounds->intersect(tmp)) { 27095af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com return false; 27105af16f8d670b3ce1c7644a4737e02e2e2257614ebungeman@google.com } 27118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 27148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27162ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.orgstatic void draw_into_mask(const SkMask& mask, const SkPath& devPath, 27172ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 2718045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkBitmap bm; 2719045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkDraw draw; 2720045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkRasterClip clip; 2721045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkMatrix matrix; 2722045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com SkPaint paint; 27238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm.setConfig(SkBitmap::kA8_Config, mask.fBounds.width(), mask.fBounds.height(), mask.fRowBytes); 27258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm.setPixels(mask.fImage); 27268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 2727045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com clip.setRect(SkIRect::MakeWH(mask.fBounds.width(), mask.fBounds.height())); 27288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix.setTranslate(-SkIntToScalar(mask.fBounds.fLeft), 27298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com -SkIntToScalar(mask.fBounds.fTop)); 27308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBitmap = &bm; 2732045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fRC = &clip; 2733045e62d715f5ee9b03deb5af3c750f8318096179reed@google.com draw.fClip = &clip.bwRgn(); 27348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fMatrix = &matrix; 27358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.fBounder = NULL; 27368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setAntiAlias(true); 27372ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org paint.setStyle(style); 27388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com draw.drawPath(devPath, paint); 27398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 27408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.combool SkDraw::DrawToMask(const SkPath& devPath, const SkIRect* clipBounds, 274230711b764be6bbb58caa30a0ac5d1474c894efe7reed@google.com const SkMaskFilter* filter, const SkMatrix* filterMatrix, 27432ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkMask* mask, SkMask::CreateMode mode, 27442ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org SkPaint::Style style) { 27458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustRenderImage_CreateMode != mode) { 27468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (!compute_bounds(devPath, clipBounds, filter, filterMatrix, &mask->fBounds)) 27478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false; 27488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2749a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kComputeBoundsAndRenderImage_CreateMode == mode) { 27518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fFormat = SkMask::kA8_Format; 27528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mask->fRowBytes = mask->fBounds.width(); 2753543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com size_t size = mask->computeImageSize(); 2754543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com if (0 == size) { 2755543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com // we're too big to allocate the mask, abort 2756543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com return false; 2757543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com } 2758543ed9352c7dfd93071c08b14930cca2e82a08d4reed@android.com mask->fImage = SkMask::AllocImage(size); 27598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com memset(mask->fImage, 0, mask->computeImageSize()); 27608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 27618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SkMask::kJustComputeBounds_CreateMode != mode) { 27632ac4ef5e6e0c9c95c9200408ba25a95ca758eac2junov@chromium.org draw_into_mask(*mask, devPath, style); 27648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 2765a76de3d1a92134c3e95ad7fce99234f92fa48268reed@google.com 27668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 27678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 2768