SkPaint.cpp revision 0910916c0f7b951ee55c4b7c6358295b9bca0565
10910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/* libs/graphics/sgl/SkPaint.cpp 20910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** 30910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** Copyright 2006, The Android Open Source Project 40910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** 50910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 60910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** you may not use this file except in compliance with the License. 70910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** You may obtain a copy of the License at 80910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** 90910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** 110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** See the License for the specific language governing permissions and 150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project** limitations under the License. 160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project*/ 170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkPaint.h" 190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkColorFilter.h" 200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkDrawLooper.h" 210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkFontHost.h" 220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkMaskFilter.h" 230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkPathEffect.h" 240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkRasterizer.h" 250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkShader.h" 260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkScalerContext.h" 270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkStroke.h" 280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkTypeface.h" 290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkXfermode.h" 300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkAutoKern.h" 310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#define SK_DefaultTextSize SkIntToScalar(12) 330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#define SK_DefaultFlags 0 //(kNativeHintsText_Flag) 350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkPaint::SkPaint() 370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTypeface = NULL; 390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextSize = SK_DefaultTextSize; 400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextScaleX = SK_Scalar1; 410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextSkewX = 0; 420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPathEffect = NULL; 440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fShader = NULL; 450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXfermode = NULL; 460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fMaskFilter = NULL; 470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColorFilter = NULL; 480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fRasterizer = NULL; 490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fLooper = NULL; 500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColor = SK_ColorBLACK; 520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fWidth = 0; 530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fMiterLimit = SK_DefaultMiterLimit; 540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fFlags = SK_DefaultFlags; 550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fCapType = kDefault_Cap; 560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fJoinType = kDefault_Join; 570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextAlign = kLeft_Align; 580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fStyle = kFill_Style; 590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextEncoding = kUTF8_TextEncoding; 600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkPaint::SkPaint(const SkPaint& src) 630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project memcpy(this, &src, sizeof(src)); 650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTypeface->safeRef(); 670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPathEffect->safeRef(); 680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fShader->safeRef(); 690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXfermode->safeRef(); 700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fMaskFilter->safeRef(); 710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColorFilter->safeRef(); 720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fRasterizer->safeRef(); 730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fLooper->safeRef(); 740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkPaint::~SkPaint() 770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTypeface->safeUnref(); 790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPathEffect->safeUnref(); 800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fShader->safeUnref(); 810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXfermode->safeUnref(); 820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fMaskFilter->safeUnref(); 830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColorFilter->safeUnref(); 840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fRasterizer->safeUnref(); 850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fLooper->safeUnref(); 860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkPaint& SkPaint::operator=(const SkPaint& src) 890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(&src); 910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fTypeface->safeRef(); 930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fPathEffect->safeRef(); 940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fShader->safeRef(); 950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fXfermode->safeRef(); 960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fMaskFilter->safeRef(); 970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fColorFilter->safeRef(); 980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fRasterizer->safeRef(); 990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fLooper->safeRef(); 1000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTypeface->safeUnref(); 1020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPathEffect->safeUnref(); 1030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fShader->safeUnref(); 1040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXfermode->safeUnref(); 1050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fMaskFilter->safeUnref(); 1060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColorFilter->safeUnref(); 1070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fRasterizer->safeUnref(); 1080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fLooper->safeUnref(); 1090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project memcpy(this, &src, sizeof(src)); 1110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return *this; 1130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectint operator==(const SkPaint& a, const SkPaint& b) 1160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return memcmp(&a, &b, sizeof(a)) == 0; 1180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::reset() 1210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPaint init; 1230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *this = init; 1250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setFlags(uint32_t flags) 1280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fFlags = flags; 1300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setAntiAlias(bool doAA) 1330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doAA, kAntiAlias_Flag)); 1350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setDither(bool doDither) 1380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doDither, kDither_Flag)); 1400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setSubpixelText(bool doSubpixel) 1430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doSubpixel, kSubpixelText_Flag)); 1450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setLinearText(bool doLinearText) 1480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doLinearText, kLinearText_Flag)); 1500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setUnderlineText(bool doUnderline) 1530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doUnderline, kUnderlineText_Flag)); 1550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setStrikeThruText(bool doStrikeThru) 1580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doStrikeThru, kStrikeThruText_Flag)); 1600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setFakeBoldText(bool doFakeBold) 1630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doFakeBold, kFakeBoldText_Flag)); 1650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setDevKernText(bool doDevKern) 1680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doDevKern, kDevKernText_Flag)); 1700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setFilterBitmap(bool doFilter) 1730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(SkSetClearMask(fFlags, doFilter, kFilterBitmap_Flag)); 1750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setStyle(Style style) 1780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((unsigned)style < kStyleCount) 1800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fStyle = style; 1810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 1820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 1830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setStyle(%d) out of range\n", style); 1840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 1850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setColor(SkColor color) 1880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColor = color; 1900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setAlpha(U8CPU a) 1930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColor = SkColorSetARGB(a, SkColorGetR(fColor), SkColorGetG(fColor), SkColorGetB(fColor)); 1950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 1970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b) 1980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 1990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fColor = SkColorSetARGB(a, r, g, b); 2000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setStrokeWidth(SkScalar width) 2030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (width >= 0) 2050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fWidth = width; 2060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setStrokeWidth() called with negative value\n"); 2090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setStrokeMiter(SkScalar limit) 2130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (limit >= 0) 2150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fMiterLimit = limit; 2160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setStrokeMiter() called with negative value\n"); 2190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setStrokeCap(Cap ct) 2230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((unsigned)ct < kCapCount) 2250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fCapType = SkToU8(ct); 2260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setStrokeCap(%d) out of range\n", ct); 2290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setStrokeJoin(Join jt) 2330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((unsigned)jt < kJoinCount) 2350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fJoinType = SkToU8(jt); 2360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setStrokeJoin(%d) out of range\n", jt); 2390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project////////////////////////////////////////////////////////////////// 2430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setTextAlign(Align align) 2450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((unsigned)align < kAlignCount) 2470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextAlign = SkToU8(align); 2480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setTextAlign(%d) out of range\n", align); 2510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setTextSize(SkScalar ts) 2550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (ts > 0) 2570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextSize = ts; 2580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setTextSize() called with non-positive value\n"); 2610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setTextScaleX(SkScalar scaleX) 2650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextScaleX = scaleX; 2670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setTextSkewX(SkScalar skewX) 2700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextSkewX = skewX; 2720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::setTextEncoding(TextEncoding encoding) 2750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((unsigned)encoding <= kGlyphID_TextEncoding) 2770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextEncoding = encoding; 2780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 2790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 2800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDebugf("SkPaint::setTextEncoding(%d) out of range\n", encoding); 2810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 2820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////////////// 2850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkTypeface* SkPaint::setTypeface(SkTypeface* font) 2870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fTypeface, font); 2890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return font; 2900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkRasterizer* SkPaint::setRasterizer(SkRasterizer* r) 2930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 2940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fRasterizer, r); 2950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return r; 2960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 2970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 2980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkDrawLooper* SkPaint::setLooper(SkDrawLooper* looper) 2990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 3000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fLooper, looper); 3010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return looper; 3020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 3030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 3050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkGlyphCache.h" 3070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkUtils.h" 3080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectint SkPaint::textToGlyphs(const void* textData, size_t byteLength, 3100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project uint16_t glyphs[]) const { 3110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (byteLength == 0) { 3120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return 0; 3130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(textData != NULL); 3160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (NULL == glyphs) { 3180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project switch (this->getTextEncoding()) { 3190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case kUTF8_TextEncoding: 3200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return SkUTF8_CountUnichars((const char*)textData, byteLength); 3210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case kUTF16_TextEncoding: 3220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return SkUTF16_CountUnichars((const uint16_t*)textData, 3230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project byteLength >> 1); 3240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case kGlyphID_TextEncoding: 3250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return byteLength >> 1; 3260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project default: 3270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(!"unknown text encoding"); 3280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return 0; 3300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // if we get here, we have a valid glyphs[] array, so time to fill it in 3330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // handle this encoding before the setup for the glyphcache 3350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->getTextEncoding() == kGlyphID_TextEncoding) { 3360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // we want to ignore the low bit of byteLength 3370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project memcpy(glyphs, textData, byteLength >> 1 << 1); 3380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return byteLength >> 1; 3390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoGlyphCache autoCache(*this, NULL); 3420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache* cache = autoCache.getCache(); 3430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* text = (const char*)textData; 3450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* stop = text + byteLength; 3460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project uint16_t* gptr = glyphs; 3470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project switch (this->getTextEncoding()) { 3490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case SkPaint::kUTF8_TextEncoding: 3500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (text < stop) { 3510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *gptr++ = cache->unicharToGlyph(SkUTF8_NextUnichar(&text)); 3520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 3540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case SkPaint::kUTF16_TextEncoding: { 3550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* text16 = (const uint16_t*)text; 3560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* stop16 = (const uint16_t*)stop; 3570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (text16 < stop16) { 3580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *gptr++ = cache->unicharToGlyph(SkUTF16_NextUnichar(&text16)); 3590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 3610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project default: 3630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(!"unknown text encoding"); 3640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 3650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return gptr - glyphs; 3660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 3670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 3690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf8_next(SkGlyphCache* cache, const char** text) 3710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 3720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 3730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 3740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF8_NextUnichar(text)); 3760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 3770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf8_prev(SkGlyphCache* cache, const char** text) 3790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 3800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 3810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 3820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF8_PrevUnichar(text)); 3840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 3850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf16_next(SkGlyphCache* cache, const char** text) 3870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 3880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 3890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 3900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF16_NextUnichar((const uint16_t**)text)); 3920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 3930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf16_prev(SkGlyphCache* cache, const char** text) 3950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 3960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 3970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 3980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 3990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF16_PrevUnichar((const uint16_t**)text)); 4000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_glyph_next(SkGlyphCache* cache, const char** text) 4030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* ptr = *(const uint16_t**)text; 4080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned glyphID = *ptr; 4090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ptr += 1; 4100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text = (const char*)ptr; 4110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getGlyphIDMetrics(glyphID); 4120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_glyph_prev(SkGlyphCache* cache, const char** text) 4150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* ptr = *(const uint16_t**)text; 4200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ptr -= 1; 4210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned glyphID = *ptr; 4220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text = (const char*)ptr; 4230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getGlyphIDMetrics(glyphID); 4240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/// 4270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getAdvance_utf8_next(SkGlyphCache* cache, const char** text) 4290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharAdvance(SkUTF8_NextUnichar(text)); 4340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getAdvance_utf8_prev(SkGlyphCache* cache, const char** text) 4370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharAdvance(SkUTF8_PrevUnichar(text)); 4420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getAdvance_utf16_next(SkGlyphCache* cache, const char** text) 4450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharAdvance(SkUTF16_NextUnichar((const uint16_t**)text)); 4500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getAdvance_utf16_prev(SkGlyphCache* cache, const char** text) 4530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharAdvance(SkUTF16_PrevUnichar((const uint16_t**)text)); 4580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getAdvance_glyph_next(SkGlyphCache* cache, const char** text) 4610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* ptr = *(const uint16_t**)text; 4660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned glyphID = *ptr; 4670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ptr += 1; 4680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text = (const char*)ptr; 4690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getGlyphIDAdvance(glyphID); 4700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getAdvance_glyph_prev(SkGlyphCache* cache, const char** text) 4730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 4750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 4760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* ptr = *(const uint16_t**)text; 4780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ptr -= 1; 4790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned glyphID = *ptr; 4800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text = (const char*)ptr; 4810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getGlyphIDAdvance(glyphID); 4820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 4830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkMeasureCacheProc SkPaint::getMeasureCacheProc(TextBufferDirection tbd, 4850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bool needFullMetrics) const 4860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 4870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project static const SkMeasureCacheProc gMeasureCacheProcs[] = { 4880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf8_next, 4890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf16_next, 4900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_glyph_next, 4910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf8_prev, 4930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf16_prev, 4940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_glyph_prev, 4950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 4960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getAdvance_utf8_next, 4970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getAdvance_utf16_next, 4980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getAdvance_glyph_next, 4990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getAdvance_utf8_prev, 5010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getAdvance_utf16_prev, 5020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getAdvance_glyph_prev 5030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project }; 5040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned index = this->getTextEncoding(); 5060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (kBackward_TextBufferDirection == tbd) 5080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project index += 3; 5090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (!needFullMetrics && !this->isDevKernText()) 5100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project index += 6; 5110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(index < SK_ARRAY_COUNT(gMeasureCacheProcs)); 5130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return gMeasureCacheProcs[index]; 5140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 5170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf8_00(SkGlyphCache* cache, 5190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char** text, SkFixed, SkFixed) 5200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 5220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 5230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF8_NextUnichar(text)); 5250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf8_xy(SkGlyphCache* cache, 5280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char** text, SkFixed x, SkFixed y) 5290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 5310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 5320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF8_NextUnichar(text), x, y); 5340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf16_00(SkGlyphCache* cache, const char** text, 5370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed, SkFixed) 5380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 5400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 5410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF16_NextUnichar((const uint16_t**)text)); 5430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_utf16_xy(SkGlyphCache* cache, 5460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char** text, SkFixed x, SkFixed y) 5470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 5490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 5500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getUnicharMetrics(SkUTF16_NextUnichar((const uint16_t**)text), 5520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project x, y); 5530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_glyph_00(SkGlyphCache* cache, const char** text, 5560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed, SkFixed) 5570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 5590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 5600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* ptr = *(const uint16_t**)text; 5620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned glyphID = *ptr; 5630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ptr += 1; 5640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text = (const char*)ptr; 5650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getGlyphIDMetrics(glyphID); 5660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkGlyph& sk_getMetrics_glyph_xy(SkGlyphCache* cache, 5690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char** text, SkFixed x, SkFixed y) 5700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(cache != NULL); 5720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL); 5730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const uint16_t* ptr = *(const uint16_t**)text; 5750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned glyphID = *ptr; 5760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ptr += 1; 5770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text = (const char*)ptr; 5780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache->getGlyphIDMetrics(glyphID, x, y); 5790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 5800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkDrawCacheProc SkPaint::getDrawCacheProc() const 5820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 5830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project static const SkDrawCacheProc gDrawCacheProcs[] = { 5840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf8_00, 5850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf16_00, 5860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_glyph_00, 5870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf8_xy, 5890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_utf16_xy, 5900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project sk_getMetrics_glyph_xy 5910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project }; 5920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned index = this->getTextEncoding(); 5940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (fFlags & kSubpixelText_Flag) 5950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project index += 3; 5960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 5970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(index < SK_ARRAY_COUNT(gDrawCacheProcs)); 5980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return gDrawCacheProcs[index]; 5990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 6000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 6020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectclass SkAutoRestorePaintTextSizeAndFrame { 6040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectpublic: 6050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoRestorePaintTextSizeAndFrame(const SkPaint* paint) : fPaint((SkPaint*)paint) 6060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fTextSize = paint->getTextSize(); 6080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fStyle = paint->getStyle(); 6090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint->setStyle(SkPaint::kFill_Style); 6100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ~SkAutoRestorePaintTextSizeAndFrame() 6120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint->setStyle(fStyle); 6140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint->setTextSize(fTextSize); 6150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectprivate: 6180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPaint* fPaint; 6190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar fTextSize; 6200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPaint::Style fStyle; 6210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project}; 6220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic void set_bounds(const SkGlyph& g, SkRect* bounds) 6240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 6250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->set(SkIntToScalar(g.fLeft), 6260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkIntToScalar(g.fTop), 6270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkIntToScalar(g.fLeft + g.fWidth), 6280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkIntToScalar(g.fTop + g.fHeight)); 6290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 6300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic void join_bounds(const SkGlyph& g, SkRect* bounds, SkFixed dx) 6320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 6330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar sx = SkFixedToScalar(dx); 6340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->join(SkIntToScalar(g.fLeft) + sx, 6350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkIntToScalar(g.fTop), 6360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkIntToScalar(g.fLeft + g.fWidth) + sx, 6370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkIntToScalar(g.fTop + g.fHeight)); 6380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 6390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkScalar SkPaint::measure_text(SkGlyphCache* cache, 6410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* text, size_t byteLength, 6420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int* count, SkRect* bounds) const 6430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 6440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(count); 6450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (byteLength == 0) 6460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *count = 0; 6480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (bounds) 6490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->setEmpty(); 6500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return 0; 6510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMeasureCacheProc glyphCacheProc; 6540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project glyphCacheProc = this->getMeasureCacheProc(kForward_TextBufferDirection, 6550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project NULL != bounds); 6560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int n = 1; 6580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* stop = (const char*)text + byteLength; 6590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph* g = &glyphCacheProc(cache, &text); 6600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed x = g->fAdvanceX; 6610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoKern autokern; 6630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 6640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (NULL == bounds) 6650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isDevKernText()) 6670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int rsb; 6690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project for (; text < stop; n++) { 6700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rsb = g->fRsbDelta; 6710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project g = &glyphCacheProc(cache, &text); 6720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project x += SkAutoKern_AdjustF(rsb, g->fLsbDelta) + g->fAdvanceX; 6730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 6760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project for (; text < stop; n++) { 6780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project x += glyphCacheProc(cache, &text).fAdvanceX; 6790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 6830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project set_bounds(*g, bounds); 6850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isDevKernText()) 6860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int rsb; 6880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project for (; text < stop; n++) { 6890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rsb = g->fRsbDelta; 6900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project g = &glyphCacheProc(cache, &text); 6910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project x += SkAutoKern_AdjustF(rsb, g->fLsbDelta); 6920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project join_bounds(*g, bounds, x); 6930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project x += g->fAdvanceX; 6940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 6960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 6970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 6980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project for (; text < stop; n++) { 6990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project g = &glyphCacheProc(cache, &text); 7000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project join_bounds(*g, bounds, x); 7010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project x += g->fAdvanceX; 7020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text == stop); 7060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *count = n; 7080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return SkFixedToScalar(x); 7090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 7100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkScalar SkPaint::measureText(const void* textData, size_t length, 7120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRect* bounds, SkScalar zoom) const 7130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 7140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* text = (const char*)textData; 7150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text != NULL || length == 0); 7160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar scale = 0; 7180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoRestorePaintTextSizeAndFrame restore(this); 7190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isLinearText()) 7210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project scale = fTextSize / kCanonicalTextSizeForPaths; 7230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // this gets restored by restore 7240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ((SkPaint*)this)->setTextSize(SkIntToScalar(kCanonicalTextSizeForPaths)); 7250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMatrix zoomMatrix, *zoomPtr = NULL; 7280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (zoom) 7290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project zoomMatrix.setScale(zoom, zoom); 7310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project zoomPtr = &zoomMatrix; 7320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoGlyphCache autoCache(*this, zoomPtr); 7350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache* cache = autoCache.getCache(); 7360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar width = 0; 7380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (length > 0) 7400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int tempCount; 7420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = this->measure_text(cache, text, length, &tempCount, bounds); 7440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (scale) 7450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = SkScalarMul(width, scale); 7470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (bounds) 7480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->fLeft = SkScalarMul(bounds->fLeft, scale); 7500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->fTop = SkScalarMul(bounds->fTop, scale); 7510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->fRight = SkScalarMul(bounds->fRight, scale); 7520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->fBottom = SkScalarMul(bounds->fBottom, scale); 7530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return width; 7570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 7580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projecttypedef bool (*SkTextBufferPred)(const char* text, const char* stop); 7600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic bool forward_textBufferPred(const char* text, const char* stop) 7620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 7630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return text < stop; 7640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 7650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic bool backward_textBufferPred(const char* text, const char* stop) 7670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 7680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return text > stop; 7690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 7700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic SkTextBufferPred chooseTextBufferPred(SkPaint::TextBufferDirection tbd, 7720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char** text, size_t length, const char** stop) 7730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 7740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (SkPaint::kForward_TextBufferDirection == tbd) 7750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *stop = *text + length; 7770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return forward_textBufferPred; 7780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 7800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // text should point to the end of the buffer, and stop to the beginning 7820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *stop = *text; 7830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *text += length; 7840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return backward_textBufferPred; 7850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 7870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectsize_t SkPaint::breakText(const void* textD, size_t length, SkScalar maxWidth, 7890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar* measuredWidth, 7900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project TextBufferDirection tbd) const 7910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 7920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (0 == length || 0 >= maxWidth) 7930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 7940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (measuredWidth) 7950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *measuredWidth = 0; 7960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return 0; 7970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 7980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 7990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(textD != NULL); 8000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* text = (const char*)textD; 8010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar scale = 0; 8030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoRestorePaintTextSizeAndFrame restore(this); 8040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isLinearText()) 8060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project scale = fTextSize / kCanonicalTextSizeForPaths; 8080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // this gets restored by restore 8090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ((SkPaint*)this)->setTextSize(SkIntToScalar(kCanonicalTextSizeForPaths)); 8100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoGlyphCache autoCache(*this, NULL); 8130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache* cache = autoCache.getCache(); 8140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMeasureCacheProc glyphCacheProc = this->getMeasureCacheProc(tbd, false); 8160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* stop; 8170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkTextBufferPred pred = chooseTextBufferPred(tbd, &text, length, &stop); 8180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed max = SkScalarToFixed(maxWidth); 8190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed width = 0; 8200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoKern autokern; 8220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isDevKernText()) 8240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int rsb = 0; 8260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (pred(text, stop)) 8270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* curr = text; 8290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph& g = glyphCacheProc(cache, &text); 8300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed x = SkAutoKern_AdjustF(rsb, g.fLsbDelta) + g.fAdvanceX; 8310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((width += x) > max) 8320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width -= x; 8340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project text = curr; 8350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 8360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rsb = g.fRsbDelta; 8380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 8410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (pred(text, stop)) 8430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* curr = text; 8450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed x = glyphCacheProc(cache, &text).fAdvanceX; 8460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if ((width += x) > max) 8470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width -= x; 8490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project text = curr; 8500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 8510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (measuredWidth) 8560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar scalarWidth = SkFixedToScalar(width); 8590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (scale) 8600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project scalarWidth = SkScalarMul(scalarWidth, scale); 8610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *measuredWidth = scalarWidth; 8620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // return the number of bytes measured 8650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return (kForward_TextBufferDirection == tbd) ? 8660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project text - stop + length : stop - text + length; 8670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 8680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 8700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic bool FontMetricsCacheProc(const SkGlyphCache* cache, void* context) 8720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 8730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *(SkPaint::FontMetrics*)context = cache->getFontMetricsY(); 8740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return false; // don't detach the cache 8750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 8760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic void FontMetricsDescProc(const SkDescriptor* desc, void* context) 8780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 8790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache::VisitCache(desc, FontMetricsCacheProc, context); 8800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 8810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkScalar SkPaint::getFontMetrics(FontMetrics* metrics, SkScalar zoom) const 8830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 8840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar scale = 0; 8850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoRestorePaintTextSizeAndFrame restore(this); 8860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isLinearText()) 8880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project scale = fTextSize / kCanonicalTextSizeForPaths; 8900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // this gets restored by restore 8910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ((SkPaint*)this)->setTextSize(SkIntToScalar(kCanonicalTextSizeForPaths)); 8920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 8930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 8940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMatrix zoomMatrix, *zoomPtr = NULL; 8950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (zoom) 8960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 8970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project zoomMatrix.setScale(zoom, zoom); 8980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project zoomPtr = &zoomMatrix; 8990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#if 0 9020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoGlyphCache autoCache(*this, zoomPtr); 9030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache* cache = autoCache.getCache(); 9040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const FontMetrics& my = cache->getFontMetricsY(); 9050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 9060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project FontMetrics storage; 9070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (NULL == metrics) 9080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project metrics = &storage; 9090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->descriptorProc(zoomPtr, FontMetricsDescProc, metrics); 9110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (scale) 9130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 9140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project metrics->fTop = SkScalarMul(metrics->fTop, scale); 9150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project metrics->fAscent = SkScalarMul(metrics->fAscent, scale); 9160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project metrics->fDescent = SkScalarMul(metrics->fDescent, scale); 9170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project metrics->fBottom = SkScalarMul(metrics->fBottom, scale); 9180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project metrics->fLeading = SkScalarMul(metrics->fLeading, scale); 9190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return metrics->fDescent - metrics->fAscent + metrics->fLeading; 9210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 9220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project//////////////////////////////////////////////////////////////////////////////////////////// 9240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic void set_bounds(const SkGlyph& g, SkRect* bounds, SkScalar scale) 9260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 9270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bounds->set(g.fLeft * scale, 9280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project g.fTop * scale, 9290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project (g.fLeft + g.fWidth) * scale, 9300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project (g.fTop + g.fHeight) * scale); 9310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 9320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectint SkPaint::getTextWidths(const void* textData, size_t byteLength, SkScalar widths[], 9340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRect bounds[]) const 9350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 9360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (0 == byteLength) 9370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return 0; 9380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(NULL != textData); 9400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (NULL == widths && NULL == bounds) 9420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return this->countText(textData, byteLength); 9430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoRestorePaintTextSizeAndFrame restore(this); 9450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar scale = 0; 9460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isLinearText()) 9480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 9490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project scale = fTextSize / kCanonicalTextSizeForPaths; 9500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // this gets restored by restore 9510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ((SkPaint*)this)->setTextSize(SkIntToScalar(kCanonicalTextSizeForPaths)); 9520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoGlyphCache autoCache(*this, NULL); 9550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache* cache = autoCache.getCache(); 9560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMeasureCacheProc glyphCacheProc; 9570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project glyphCacheProc = this->getMeasureCacheProc(kForward_TextBufferDirection, 9580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project NULL != bounds); 9590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* text = (const char*)textData; 9610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* stop = text + byteLength; 9620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int count = 0; 9630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->isDevKernText()) 9650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 9660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // we adjust the widths returned here through auto-kerning 9670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoKern autokern; 9680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed prevWidth = 0; 9690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (scale) { 9710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (text < stop) { 9720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph& g = glyphCacheProc(cache, &text); 9730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (widths) { 9740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed adjust = autokern.adjust(g); 9750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (count > 0) { 9770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar w = SkFixedToScalar(prevWidth + adjust); 9780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *widths++ = SkScalarMul(w, scale); 9790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project prevWidth = g.fAdvanceX; 9810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (bounds) { 9830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project set_bounds(g, bounds++, scale); 9840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ++count; 9860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (count > 0 && widths) { 9880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *widths = SkScalarMul(SkFixedToScalar(prevWidth), scale); 9890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } else { 9910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (text < stop) { 9920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph& g = glyphCacheProc(cache, &text); 9930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (widths) { 9940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFixed adjust = autokern.adjust(g); 9950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 9960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (count > 0) { 9970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *widths++ = SkFixedToScalar(prevWidth + adjust); 9980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 9990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project prevWidth = g.fAdvanceX; 10000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (bounds) { 10020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project set_bounds(g, bounds++); 10030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ++count; 10050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (count > 0 && widths) { 10070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *widths = SkFixedToScalar(prevWidth); 10080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } else { // no devkern 10110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (scale) { 10120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (text < stop) { 10130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph& g = glyphCacheProc(cache, &text); 10140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (widths) { 10150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *widths++ = SkScalarMul(SkFixedToScalar(g.fAdvanceX), 10160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project scale); 10170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (bounds) { 10190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project set_bounds(g, bounds++, scale); 10200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ++count; 10220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } else { 10240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (text < stop) { 10250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph& g = glyphCacheProc(cache, &text); 10260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (widths) { 10270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *widths++ = SkFixedToScalar(g.fAdvanceX); 10280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (bounds) { 10300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project set_bounds(g, bounds++); 10310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project ++count; 10330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(text == stop); 10380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return count; 10390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 10400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project//////////////////////////////////////////////////////////////////////////////////////////// 10420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkDraw.h" 10440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::getTextPath(const void* textData, size_t length, SkScalar x, SkScalar y, SkPath* path) const 10460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 10470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const char* text = (const char*)textData; 10480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(length == 0 || text != NULL); 10490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (text == NULL || length == 0 || path == NULL) 10500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return; 10510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkTextToPathIter iter(text, length, *this, false, true); 10530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMatrix matrix; 10540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar prevXPos = 0; 10550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project matrix.setScale(iter.getPathScale(), iter.getPathScale()); 10570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project matrix.postTranslate(x, y); 10580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project path->reset(); 10590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar xpos; 10610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkPath* iterPath; 10620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while ((iterPath = iter.next(&xpos)) != NULL) 10630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 10640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project matrix.postTranslate(xpos - prevXPos, 0); 10650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project path->addPath(*iterPath, matrix); 10660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project prevXPos = xpos; 10670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 10680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 10690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic void add_flattenable(SkDescriptor* desc, uint32_t tag, 10710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFlattenableWriteBuffer* buffer) { 10720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer->flatten(desc->addEntry(tag, buffer->size(), NULL)); 10730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 10740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/* 10760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project * interpolates to find the right value for key, in the function represented by the 'length' number of pairs: (keys[i], values[i]) 10770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project inspired by a desire to change the multiplier for thickness in fakebold 10780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project therefore, i assumed number of pairs (length) will be small, so a linear search is sufficient 10790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project repeated keys are allowed for discontinuous functions (so long as keys is monotonically increasing), and if 10800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project key is the value of a repeated scalar in keys, the first one will be used 10810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project - this may change if a binary search is used 10820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project - also, this ensures that there is no divide by zero (an assert also checks for that) 10830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project*/ 10840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic SkScalar interpolate(SkScalar key, const SkScalar keys[], const SkScalar values[], int length) 10850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 10860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 10870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(length > 0); 10880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(keys != NULL); 10890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(values != NULL); 10900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#ifdef SK_DEBUG 10910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project for (int i = 1; i < length; i++) 10920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(keys[i] >= keys[i-1]); 10930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#endif 10940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int right = 0; 10950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (right < length && key > keys[right]) 10960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project right++; 10970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project //could use sentinal values to eliminate conditionals 10980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project //i assume i am not in control of input values, so i want to make it simple 10990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (length == right) 11000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return values[length-1]; 11010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (0 == right) 11020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return values[0]; 11030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project //otherwise, we interpolate between right-1 and right 11040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar rVal = values[right]; 11050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar lVal = values[right-1]; 11060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar rightKey = keys[right]; 11070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar leftKey = keys[right-1]; 11080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(rightKey != leftKey); 11090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project //fractional amount which we will multiply by the difference in the left value and right value 11100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar fract = SkScalarDiv(key-leftKey,rightKey-leftKey); 11110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return lVal + SkScalarMul(fract, rVal-lVal); 11120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 11130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project//used for interpolating in fakeBold 11150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkScalar pointSizes[] = { SkIntToScalar(9), SkIntToScalar(36) }; 11160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic const SkScalar multipliers[] = { SK_Scalar1/24, SK_Scalar1/32 }; 11170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic SkMask::Format computeMaskFormat(const SkPaint& paint) 11190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 11200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project uint32_t flags = paint.getFlags(); 11210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return (flags & SkPaint::kAntiAlias_Flag) ? SkMask::kA8_Format : SkMask::kBW_Format; 11230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 11240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic SkScalerContext::Hints computeScalerHints(const SkPaint& paint) 11260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 11270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project uint32_t flags = paint.getFlags(); 11280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (flags & SkPaint::kLinearText_Flag) 11300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return SkScalerContext::kNo_Hints; 11310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else if (flags & SkPaint::kSubpixelText_Flag) 11320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return SkScalerContext::kSubpixel_Hints; 11330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 11340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return SkScalerContext::kNormal_Hints; 11350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 11360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkScalerContext::MakeRec(const SkPaint& paint, const SkMatrix* deviceMatrix, Rec* rec) 11380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 11390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(deviceMatrix == NULL || (deviceMatrix->getType() & SkMatrix::kPerspective_Mask) == 0); 11400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fFontID = SkTypeface::UniqueID(paint.getTypeface()); 11420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fTextSize = paint.getTextSize(); 11430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPreScaleX = paint.getTextScaleX(); 11440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPreSkewX = paint.getTextSkewX(); 11450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (deviceMatrix) 11470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 11480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPost2x2[0][0] = deviceMatrix->getScaleX(); 11490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPost2x2[0][1] = deviceMatrix->getSkewX(); 11500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPost2x2[1][0] = deviceMatrix->getSkewY(); 11510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPost2x2[1][1] = deviceMatrix->getScaleY(); 11520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 11530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 11540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 11550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPost2x2[0][0] = rec->fPost2x2[1][1] = SK_Scalar1; 11560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fPost2x2[0][1] = rec->fPost2x2[1][0] = 0; 11570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 11580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPaint::Style style = paint.getStyle(); 11600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar strokeWidth = paint.getStrokeWidth(); 11610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (paint.isFakeBoldText()) 11630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 11640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar fakeBoldScale = interpolate(paint.getTextSize(), pointSizes, multipliers, 2); 11650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar extra = SkScalarMul(paint.getTextSize(), fakeBoldScale); 11660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (style == SkPaint::kFill_Style) 11680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 11690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project style = SkPaint::kStrokeAndFill_Style; 11700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project strokeWidth = extra; // ignore paint's strokeWidth if it was "fill" 11710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 11720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 11730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project strokeWidth += extra; 11740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 11750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project unsigned flags = SkFontHost::ComputeGammaFlag(paint); 11770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (paint.isDevKernText()) 11790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project flags |= SkScalerContext::kDevKernText_Flag; 11800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (style != SkPaint::kFill_Style && strokeWidth > 0) 11820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 11830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fFrameWidth = strokeWidth; 11840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fMiterLimit = paint.getStrokeMiter(); 11850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fStrokeJoin = SkToU8(paint.getStrokeJoin()); 11860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (style == SkPaint::kStrokeAndFill_Style) 11880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project flags |= SkScalerContext::kFrameAndFill_Flag; 11890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 11900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 11910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 11920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fFrameWidth = 0; 11930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fMiterLimit = 0; 11940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fStrokeJoin = 0; 11950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 11960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 11970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fHints = SkToU8(computeScalerHints(paint)); 11980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fMaskFormat = SkToU8(computeMaskFormat(paint)); 11990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec->fFlags = SkToU8(flags); 12000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 12010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#define MIN_SIZE_FOR_EFFECT_BUFFER 1024 12030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::descriptorProc(const SkMatrix* deviceMatrix, 12050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project void (*proc)(const SkDescriptor*, void*), 12060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project void* context) const 12070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 12080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalerContext::Rec rec; 12090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalerContext::MakeRec(*this, deviceMatrix, &rec); 12110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project size_t descSize = sizeof(rec); 12130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int entryCount = 1; 12140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPathEffect* pe = this->getPathEffect(); 12150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkMaskFilter* mf = this->getMaskFilter(); 12160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRasterizer* ra = this->getRasterizer(); 12170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFlattenableWriteBuffer peBuffer(MIN_SIZE_FOR_EFFECT_BUFFER); 12190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFlattenableWriteBuffer mfBuffer(MIN_SIZE_FOR_EFFECT_BUFFER); 12200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkFlattenableWriteBuffer raBuffer(MIN_SIZE_FOR_EFFECT_BUFFER); 12210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (pe) { 12230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project peBuffer.writeFlattenable(pe); 12240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project descSize += peBuffer.size(); 12250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project entryCount += 1; 12260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec.fMaskFormat = SkMask::kA8_Format; // force antialiasing when we do the scan conversion 12270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // seems like we could support kLCD as well at this point... 12280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 12290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (mf) { 12300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project mfBuffer.writeFlattenable(mf); 12310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project descSize += mfBuffer.size(); 12320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project entryCount += 1; 12330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec.fMaskFormat = SkMask::kA8_Format; // force antialiasing with maskfilters 12340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 12350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (ra) { 12360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project raBuffer.writeFlattenable(ra); 12370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project descSize += raBuffer.size(); 12380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project entryCount += 1; 12390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project rec.fMaskFormat = SkMask::kA8_Format; // force antialiasing when we do the scan conversion 12400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 12410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project descSize += SkDescriptor::ComputeOverhead(entryCount); 12420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkAutoDescriptor ad(descSize); 12440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkDescriptor* desc = ad.getDesc(); 12450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project desc->init(); 12470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project desc->addEntry(kRec_SkDescriptorTag, sizeof(rec), &rec); 12480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (pe) { 12500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project add_flattenable(desc, kPathEffect_SkDescriptorTag, &peBuffer); 12510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 12520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (mf) { 12530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project add_flattenable(desc, kMaskFilter_SkDescriptorTag, &mfBuffer); 12540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 12550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (ra) { 12560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project add_flattenable(desc, kRasterizer_SkDescriptorTag, &raBuffer); 12570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 12580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(descSize == desc->getLength()); 12600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project desc->computeChecksum(); 12610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project proc(desc, context); 12630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 12640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic void DetachDescProc(const SkDescriptor* desc, void* context) 12660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 12670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *((SkGlyphCache**)context) = SkGlyphCache::DetachCache(desc); 12680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 12690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkGlyphCache* SkPaint::detachCache(const SkMatrix* deviceMatrix) const 12710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 12720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache* cache; 12730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->descriptorProc(deviceMatrix, DetachDescProc, &cache); 12740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return cache; 12750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 12760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 12780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project#include "SkStream.h" 12800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 12810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::flatten(SkFlattenableWriteBuffer& buffer) const { 12820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeTypeface(this->getTypeface()); 12830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeScalar(this->getTextSize()); 12840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeScalar(this->getTextScaleX()); 12850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeScalar(this->getTextSkewX()); 12860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getPathEffect()); 12870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getShader()); 12880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getXfermode()); 12890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getMaskFilter()); 12900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getColorFilter()); 12910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getRasterizer()); 12920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeFlattenable(this->getLooper()); 12930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write32(this->getColor()); 12940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeScalar(this->getStrokeWidth()); 12950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.writeScalar(this->getStrokeMiter()); 12960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write16(this->getFlags()); 12970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write8(this->getTextAlign()); 12980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write8(this->getStrokeCap()); 12990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write8(this->getStrokeJoin()); 13000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write8(this->getStyle()); 13010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project buffer.write8(this->getTextEncoding()); 13020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectvoid SkPaint::unflatten(SkFlattenableReadBuffer& buffer) { 13050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setTypeface(buffer.readTypeface()); 13060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setTextSize(buffer.readScalar()); 13070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setTextScaleX(buffer.readScalar()); 13080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setTextSkewX(buffer.readScalar()); 13090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setPathEffect((SkPathEffect*) buffer.readFlattenable())->safeUnref(); 13100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setShader((SkShader*) buffer.readFlattenable())->safeUnref(); 13110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setXfermode((SkXfermode*) buffer.readFlattenable())->safeUnref(); 13120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setMaskFilter((SkMaskFilter*) buffer.readFlattenable())->safeUnref(); 13130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setColorFilter((SkColorFilter*) buffer.readFlattenable())->safeUnref(); 13140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setRasterizer((SkRasterizer*) buffer.readFlattenable())->safeUnref(); 13150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setLooper((SkDrawLooper*) buffer.readFlattenable())->safeUnref(); 13160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setColor(buffer.readU32()); 13170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setStrokeWidth(buffer.readScalar()); 13180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setStrokeMiter(buffer.readScalar()); 13190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setFlags(buffer.readU16()); 13200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setTextAlign((SkPaint::Align) buffer.readU8()); 13210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setStrokeCap((SkPaint::Cap) buffer.readU8()); 13220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setStrokeJoin((SkPaint::Join) buffer.readU8()); 13230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setStyle((SkPaint::Style) buffer.readU8()); 13240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project this->setTextEncoding((SkPaint::TextEncoding) buffer.readU8()); 13250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project/////////////////////////////////////////////////////////////////////////////// 13280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkShader* SkPaint::setShader(SkShader* shader) 13300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fShader, shader); 13320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return shader; 13330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkColorFilter* SkPaint::setColorFilter(SkColorFilter* filter) 13360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fColorFilter, filter); 13380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return filter; 13390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkXfermode* SkPaint::setXfermode(SkXfermode* mode) 13420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fXfermode, mode); 13440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return mode; 13450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkXfermode* SkPaint::setPorterDuffXfermode(SkPorterDuff::Mode mode) 13480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXfermode->safeUnref(); 13500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXfermode = SkPorterDuff::CreateXfermode(mode); 13510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return fXfermode; 13520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkPathEffect* SkPaint::setPathEffect(SkPathEffect* effect) 13550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fPathEffect, effect); 13570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return effect; 13580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkMaskFilter* SkPaint::setMaskFilter(SkMaskFilter* filter) 13610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRefCnt_SafeAssign(fMaskFilter, filter); 13630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return filter; 13640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 13650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project//////////////////////////////////////////////////////////////////////////////////////// 13670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectbool SkPaint::getFillPath(const SkPath& src, SkPath* dst) const 13690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 13700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPath effectPath, strokePath; 13710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkPath* path = &src; 13720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar width = this->getStrokeWidth(); 13740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project switch (this->getStyle()) { 13760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case SkPaint::kFill_Style: 13770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = -1; // mark it as no-stroke 13780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 13790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case SkPaint::kStrokeAndFill_Style: 13800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (width == 0) 13810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = -1; // mark it as no-stroke 13820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 13830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project case SkPaint::kStroke_Style: 13840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project break; 13850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project default: 13860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(!"unknown paint style"); 13870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 13880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->getPathEffect()) 13900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 13910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // lie to the pathEffect if our style is strokeandfill, so that it treats us as just fill 13920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->getStyle() == SkPaint::kStrokeAndFill_Style) 13930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = -1; // mark it as no-stroke 13940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->getPathEffect()->filterPath(&effectPath, src, &width)) 13960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project path = &effectPath; 13970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 13980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // restore the width if we earlier had to lie, and if we're still set to no-stroke 13990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // note: if we're now stroke (width >= 0), then the pathEffect asked for that change 14000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // and we want to respect that (i.e. don't overwrite their setting for width) 14010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->getStyle() == SkPaint::kStrokeAndFill_Style && width < 0) 14020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 14030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = this->getStrokeWidth(); 14040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (width == 0) 14050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = -1; 14060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (width > 0 && !path->isEmpty()) 14100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 14110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkStroke stroker(*this, width); 14120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project stroker.strokePath(*path, &strokePath); 14130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project path = &strokePath; 14140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (path == &src) 14170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *dst = src; 14180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 14190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 14200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(path == &effectPath || path == &strokePath); 14210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project dst->swap(*(SkPath*)path); 14220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return width != 0; // return true if we're filled, or false if we're hairline (width == 0) 14250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 14260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectbool SkPaint::canComputeFastBounds() const { 14280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // use bit-or since no need for early exit 14290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return (reinterpret_cast<uintptr_t>(this->getMaskFilter()) | 14300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project reinterpret_cast<uintptr_t>(this->getLooper()) | 14310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project reinterpret_cast<uintptr_t>(this->getRasterizer()) | 14320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project reinterpret_cast<uintptr_t>(this->getPathEffect())) == 0; 14330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 14340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectconst SkRect& SkPaint::computeFastBounds(const SkRect& src, 14360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkRect* storage) const { 14370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkASSERT(storage); 14380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (this->getStyle() != SkPaint::kFill_Style) { 14400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // if we're stroked, outset the rect by the radius (and join type) 14410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar radius = SkScalarHalf(this->getStrokeWidth()); 14420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (0 == radius) { // hairline 14440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project radius = SK_Scalar1; 14450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } else if (this->getStrokeJoin() == SkPaint::kMiter_Join) { 14460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar scale = this->getStrokeMiter(); 14470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (scale > SK_Scalar1) { 14480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project radius = SkScalarMul(radius, scale); 14490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project storage->set(src.fLeft - radius, src.fTop - radius, 14520910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project src.fRight + radius, src.fBottom + radius); 14530910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return *storage; 14540910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14550910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // no adjustments needed, just return the original rect 14560910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return src; 14570910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 14580910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14590910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project//////////////////////////////////////////////////////////////////////////////////////// 14600910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14610910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectstatic bool has_thick_frame(const SkPaint& paint) 14620910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 14630910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return paint.getStrokeWidth() > 0 && paint.getStyle() != SkPaint::kFill_Style; 14640910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 14650910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14660910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkTextToPathIter::SkTextToPathIter( const char text[], size_t length, 14670910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkPaint& paint, 14680910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bool applyStrokeAndPathEffects, 14690910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project bool forceLinearTextOn) 14700910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project : fPaint(paint) /* make a copy of the paint */ 14710910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 14720910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fGlyphCacheProc = paint.getMeasureCacheProc(SkPaint::kForward_TextBufferDirection, 14730910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project true); 14740910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14750910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (forceLinearTextOn) 14760910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setLinearText(true); 14770910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setMaskFilter(NULL); // don't want this affecting our path-cache lookup 14780910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14790910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (fPaint.getPathEffect() == NULL && !has_thick_frame(fPaint)) 14800910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project applyStrokeAndPathEffects = false; 14810910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14820910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // can't use our canonical size if we need to apply patheffects/strokes 14830910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (fPaint.isLinearText() && !applyStrokeAndPathEffects) 14840910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 14850910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setTextSize(SkIntToScalar(SkPaint::kCanonicalTextSizeForPaths)); 14860910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fScale = paint.getTextSize() / SkPaint::kCanonicalTextSizeForPaths; 14870910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14880910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project else 14890910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fScale = SK_Scalar1; 14900910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14910910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (!applyStrokeAndPathEffects) 14920910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 14930910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setStyle(SkPaint::kFill_Style); 14940910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setPathEffect(NULL); 14950910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 14960910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14970910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fCache = fPaint.detachCache(NULL); 14980910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 14990910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPaint::Style style = SkPaint::kFill_Style; 15000910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkPathEffect* pe = NULL; 15010910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15020910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (!applyStrokeAndPathEffects) 15030910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 15040910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project style = paint.getStyle(); // restore 15050910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project pe = paint.getPathEffect(); // restore 15060910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 15070910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setStyle(style); 15080910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setPathEffect(pe); 15090910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPaint.setMaskFilter(paint.getMaskFilter()); // restore 15100910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15110910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project // now compute fXOffset if needed 15120910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15130910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar xOffset = 0; 15140910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (paint.getTextAlign() != SkPaint::kLeft_Align) // need to measure first 15150910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 15160910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project int count; 15170910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkScalar width = SkScalarMul(fPaint.measure_text(fCache, text, length, &count, NULL), fScale); 15180910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (paint.getTextAlign() == SkPaint::kCenter_Align) 15190910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project width = SkScalarHalf(width); 15200910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project xOffset = -width; 15210910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 15220910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXPos = xOffset; 15230910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPrevAdvance = 0; 15240910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15250910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fText = text; 15260910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fStop = text + length; 15270910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 15280910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15290910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source ProjectSkTextToPathIter::~SkTextToPathIter() 15300910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 15310910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project SkGlyphCache::AttachCache(fCache); 15320910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 15330910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15340910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Projectconst SkPath* SkTextToPathIter::next(SkScalar* xpos) 15350910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project{ 15360910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project while (fText < fStop) 15370910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 15380910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project const SkGlyph& glyph = fGlyphCacheProc(fCache, &fText); 15390910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15400910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fXPos += SkScalarMul(SkFixedToScalar(fPrevAdvance + fAutoKern.adjust(glyph)), fScale); 15410910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project fPrevAdvance = glyph.fAdvanceX; // + fPaint.getTextTracking(); 15420910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project 15430910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (glyph.fWidth) 15440910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project { 15450910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project if (xpos) 15460910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project *xpos = fXPos; 15470910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return fCache->findPath(glyph); 15480910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 15490910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project } 15500910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project return NULL; 15510910916c0f7b951ee55c4b7c6358295b9bca0565The Android Open Source Project} 1552