SkBitmapDevice.cpp revision 76033be81b82c44fd5d4fdf2672eb22e505da1f0
153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com/* 253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com * Copyright 2013 Google Inc. 353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com * 453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com * Use of this source code is governed by a BSD-style license that can be 553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com * found in the LICENSE file. 653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com */ 753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com#include "SkBitmapDevice.h" 953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com#include "SkConfig8888.h" 10b2db898573e3cdcc8234eebf51961bfc4977ebbcreed#include "SkDeviceProperties.h" 1153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com#include "SkDraw.h" 1253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com#include "SkRasterClip.h" 1353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com#include "SkShader.h" 1476f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com#include "SkSurface.h" 1553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 164469938e92d779dff05e745559e67907bbf21e78reed@google.com#define CHECK_FOR_ANNOTATION(paint) \ 174469938e92d779dff05e745559e67907bbf21e78reed@google.com do { if (paint.getAnnotation()) { return; } } while (0) 1853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 1915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.orgstatic bool valid_for_bitmap_device(const SkImageInfo& info, 2015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org SkAlphaType* newAlphaType) { 2115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org if (info.width() < 0 || info.height() < 0) { 2215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return false; 2315a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 2415a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 2515a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org // TODO: can we stop supporting kUnknown in SkBitmkapDevice? 2615a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org if (kUnknown_SkColorType == info.colorType()) { 2715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org if (newAlphaType) { 2844977485bdac75c055c3fa638f118874ccd2d22freed *newAlphaType = kUnknown_SkAlphaType; 2915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 3015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return true; 3115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 32969588f0c9030d5a4942085a4b5a5ea7e8d2bc25skia.committer@gmail.com 3315a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org switch (info.alphaType()) { 3415a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org case kPremul_SkAlphaType: 3515a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org case kOpaque_SkAlphaType: 3615a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org break; 3715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org default: 3815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return false; 3915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 4015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 4115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org SkAlphaType canonicalAlphaType = info.alphaType(); 4215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 4315a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org switch (info.colorType()) { 4415a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org case kAlpha_8_SkColorType: 4515a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org break; 4615a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org case kRGB_565_SkColorType: 4715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org canonicalAlphaType = kOpaque_SkAlphaType; 4815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org break; 4928fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org case kN32_SkColorType: 5015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org break; 5115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org default: 5215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return false; 5315a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 5415a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 5515a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org if (newAlphaType) { 5615a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org *newAlphaType = canonicalAlphaType; 5715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 5815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return true; 5915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org} 6015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 6115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.orgSkBitmapDevice::SkBitmapDevice(const SkBitmap& bitmap) : fBitmap(bitmap) { 6215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org SkASSERT(valid_for_bitmap_device(bitmap.info(), NULL)); 6353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 6453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 6553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comSkBitmapDevice::SkBitmapDevice(const SkBitmap& bitmap, const SkDeviceProperties& deviceProperties) 6653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com : SkBaseDevice(deviceProperties) 6715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org , fBitmap(bitmap) 6815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org{ 6915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org SkASSERT(valid_for_bitmap_device(bitmap.info(), NULL)); 7053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 7153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 7215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.orgSkBitmapDevice* SkBitmapDevice::Create(const SkImageInfo& origInfo, 7315a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org const SkDeviceProperties* props) { 74e5ea500d4714a7d84de2bf913e81be3b65d2de68reed SkAlphaType newAT = origInfo.alphaType(); 75e5ea500d4714a7d84de2bf913e81be3b65d2de68reed if (!valid_for_bitmap_device(origInfo, &newAT)) { 7615a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return NULL; 7715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 7815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 79e5ea500d4714a7d84de2bf913e81be3b65d2de68reed const SkImageInfo info = origInfo.makeAlphaType(newAT); 8015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org SkBitmap bitmap; 8115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org 8215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org if (kUnknown_SkColorType == info.colorType()) { 83a3264e53ee3f3c5d6a2c813df7e44b5b96d207f2commit-bot@chromium.org if (!bitmap.setInfo(info)) { 8415a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return NULL; 8515a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 8615a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } else { 87848250415eddc54075f7eb8795e8db79e749c6abreed if (!bitmap.tryAllocPixels(info)) { 8815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return NULL; 8915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 9015a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org if (!bitmap.info().isOpaque()) { 9115a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org bitmap.eraseColor(SK_ColorTRANSPARENT); 9215a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 9315a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 9453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 95b2db898573e3cdcc8234eebf51961bfc4977ebbcreed if (props) { 96b2db898573e3cdcc8234eebf51961bfc4977ebbcreed return SkNEW_ARGS(SkBitmapDevice, (bitmap, *props)); 9715a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } else { 9815a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org return SkNEW_ARGS(SkBitmapDevice, (bitmap)); 9915a140599942f70e47380e3f700a825c7cece3b4commit-bot@chromium.org } 10053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 10153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 102c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.orgSkImageInfo SkBitmapDevice::imageInfo() const { 103c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org return fBitmap.info(); 104c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org} 105c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org 10653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::replaceBitmapBackendForRasterSurface(const SkBitmap& bm) { 10753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkASSERT(bm.width() == fBitmap.width()); 10853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkASSERT(bm.height() == fBitmap.height()); 10953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com fBitmap = bm; // intent is to use bm's pixelRef (and rowbytes/config) 11053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com fBitmap.lockPixels(); 11153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 11253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 11376033be81b82c44fd5d4fdf2672eb22e505da1f0reedSkBaseDevice* SkBitmapDevice::onCreateDevice(const CreateInfo& cinfo, const SkPaint*) { 114b2db898573e3cdcc8234eebf51961bfc4977ebbcreed SkDeviceProperties leaky(cinfo.fPixelGeometry); 115b2db898573e3cdcc8234eebf51961bfc4977ebbcreed return SkBitmapDevice::Create(cinfo.fInfo, &leaky); 11653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 11753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 11853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::lockPixels() { 11953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (fBitmap.lockPixelsAreWritable()) { 12053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com fBitmap.lockPixels(); 12153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 12253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 12353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 12453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::unlockPixels() { 12553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (fBitmap.lockPixelsAreWritable()) { 12653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com fBitmap.unlockPixels(); 12753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 12853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 12953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 13053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comconst SkBitmap& SkBitmapDevice::onAccessBitmap() { 13153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com return fBitmap; 13253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 13353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 1349c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.comvoid* SkBitmapDevice::onAccessPixels(SkImageInfo* info, size_t* rowBytes) { 1359c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com if (fBitmap.getPixels()) { 1369c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com *info = fBitmap.info(); 1379c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com *rowBytes = fBitmap.rowBytes(); 1389c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com return fBitmap.getPixels(); 1399c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com } 1409c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com return NULL; 1419c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com} 1429c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com 143231f6b81c22001cac4ea87ea412c4d6fd10ffb8acommit-bot@chromium.org#include "SkConfig8888.h" 1440e9770515cab45decb56a5926d1741b71854fb4cpiotaixr#include "SkPixelRef.h" 1457111d463cee893a479280c7af41757e709e33ef5reed@google.com 1464cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.orgbool SkBitmapDevice::onWritePixels(const SkImageInfo& srcInfo, const void* srcPixels, 1474cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org size_t srcRowBytes, int x, int y) { 1480d30c51c6cf45b3a08a3000b6d348c16bdec7f05reed@google.com // since we don't stop creating un-pixeled devices yet, check for no pixels here 1490d30c51c6cf45b3a08a3000b6d348c16bdec7f05reed@google.com if (NULL == fBitmap.getPixels()) { 1500d30c51c6cf45b3a08a3000b6d348c16bdec7f05reed@google.com return false; 1510d30c51c6cf45b3a08a3000b6d348c16bdec7f05reed@google.com } 1520d30c51c6cf45b3a08a3000b6d348c16bdec7f05reed@google.com 153e5ea500d4714a7d84de2bf913e81be3b65d2de68reed const SkImageInfo dstInfo = fBitmap.info().makeWH(srcInfo.width(), srcInfo.height()); 1544cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org 1554cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org void* dstPixels = fBitmap.getAddr(x, y); 1564cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org size_t dstRowBytes = fBitmap.rowBytes(); 1574cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org 158b184f7f52b2a94e95aee326a3ca37110d2e43336reed if (SkPixelInfo::CopyPixels(dstInfo, dstPixels, dstRowBytes, srcInfo, srcPixels, srcRowBytes)) { 1594cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org fBitmap.notifyPixelsChanged(); 1604cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org return true; 1614cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org } 1624cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org return false; 1634cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org} 16453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 165a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.orgbool SkBitmapDevice::onReadPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes, 166a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org int x, int y) { 167b184f7f52b2a94e95aee326a3ca37110d2e43336reed return fBitmap.readPixels(dstInfo, dstPixels, dstRowBytes, x, y); 168a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org} 169a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org 17053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com/////////////////////////////////////////////////////////////////////////////// 17153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 17253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawPaint(const SkDraw& draw, const SkPaint& paint) { 17353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawPaint(paint); 17453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 17553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 17653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawPoints(const SkDraw& draw, SkCanvas::PointMode mode, size_t count, 17753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkPoint pts[], const SkPaint& paint) { 1784469938e92d779dff05e745559e67907bbf21e78reed@google.com CHECK_FOR_ANNOTATION(paint); 17953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawPoints(mode, count, pts, paint); 18053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 18153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 18253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawRect(const SkDraw& draw, const SkRect& r, const SkPaint& paint) { 1834469938e92d779dff05e745559e67907bbf21e78reed@google.com CHECK_FOR_ANNOTATION(paint); 18453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawRect(r, paint); 18553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 18653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 18753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawOval(const SkDraw& draw, const SkRect& oval, const SkPaint& paint) { 1884469938e92d779dff05e745559e67907bbf21e78reed@google.com CHECK_FOR_ANNOTATION(paint); 18953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 19053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkPath path; 19153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com path.addOval(oval); 19253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // call the VIRTUAL version, so any subclasses who do handle drawPath aren't 19353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // required to override drawOval. 19453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com this->drawPath(draw, path, paint, NULL, true); 19553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 19653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 19753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawRRect(const SkDraw& draw, const SkRRect& rrect, const SkPaint& paint) { 1984469938e92d779dff05e745559e67907bbf21e78reed@google.com CHECK_FOR_ANNOTATION(paint); 19953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 20050a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com#ifdef SK_IGNORE_BLURRED_RRECT_OPT 20150a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com SkPath path; 20250a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com 20350a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com path.addRRect(rrect); 20450a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com // call the VIRTUAL version, so any subclasses who do handle drawPath aren't 20550a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com // required to override drawRRect. 20650a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com this->drawPath(draw, path, paint, NULL, true); 20750a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com#else 208a8e33a92e27ca1523601226cad83c79a7e00c93bscroggo@google.com draw.drawRRect(rrect, paint); 20950a7600d05d427c64f77d39c8c18d2bf6cabd25brobertphillips@google.com#endif 21053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 21153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 21253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawPath(const SkDraw& draw, const SkPath& path, 21353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkPaint& paint, const SkMatrix* prePathMatrix, 21453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com bool pathIsMutable) { 2154469938e92d779dff05e745559e67907bbf21e78reed@google.com CHECK_FOR_ANNOTATION(paint); 21653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawPath(path, paint, prePathMatrix, pathIsMutable); 21753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 21853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 21953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawBitmap(const SkDraw& draw, const SkBitmap& bitmap, 22053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkMatrix& matrix, const SkPaint& paint) { 2210393912de72bc3d8b3640c122c53470dd0da1e6dreed draw.drawBitmap(bitmap, matrix, NULL, paint); 22253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 22353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 22453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawBitmapRect(const SkDraw& draw, const SkBitmap& bitmap, 22553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkRect* src, const SkRect& dst, 22653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkPaint& paint, 22753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkCanvas::DrawBitmapRectFlags flags) { 22853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkMatrix matrix; 22953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkRect bitmapBounds, tmpSrc, tmpDst; 23053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkBitmap tmpBitmap; 23153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 23253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com bitmapBounds.isetWH(bitmap.width(), bitmap.height()); 23353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 23453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // Compute matrix from the two rectangles 23553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (src) { 23653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com tmpSrc = *src; 23753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } else { 23853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com tmpSrc = bitmapBounds; 23953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 24053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com matrix.setRectToRect(tmpSrc, dst, SkMatrix::kFill_ScaleToFit); 24153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 24253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkRect* dstPtr = &dst; 24353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkBitmap* bitmapPtr = &bitmap; 24453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 24553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // clip the tmpSrc to the bounds of the bitmap, and recompute dstRect if 24653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // needed (if the src was clipped). No check needed if src==null. 24753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (src) { 24853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (!bitmapBounds.contains(*src)) { 24953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (!tmpSrc.intersect(bitmapBounds)) { 25053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com return; // nothing to draw 25153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 25253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // recompute dst, based on the smaller tmpSrc 25353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com matrix.mapRect(&tmpDst, tmpSrc); 25453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com dstPtr = &tmpDst; 25553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 25653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 25753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // since we may need to clamp to the borders of the src rect within 25853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // the bitmap, we extract a subset. 259b07a94f1cba3976596ae1a7f23d8c2043ba353f3reed const SkIRect srcIR = tmpSrc.roundOut(); 2600e9770515cab45decb56a5926d1741b71854fb4cpiotaixr if(bitmap.pixelRef()->getTexture()) { 2610e9770515cab45decb56a5926d1741b71854fb4cpiotaixr // Accelerated source canvas, don't use extractSubset but readPixels to get the subset. 2620e9770515cab45decb56a5926d1741b71854fb4cpiotaixr // This way, the pixels are copied in CPU memory instead of GPU memory. 2630e9770515cab45decb56a5926d1741b71854fb4cpiotaixr bitmap.pixelRef()->readPixels(&tmpBitmap, &srcIR); 2640e9770515cab45decb56a5926d1741b71854fb4cpiotaixr } else { 2650e9770515cab45decb56a5926d1741b71854fb4cpiotaixr if (!bitmap.extractSubset(&tmpBitmap, srcIR)) { 2660e9770515cab45decb56a5926d1741b71854fb4cpiotaixr return; 2670e9770515cab45decb56a5926d1741b71854fb4cpiotaixr } 26853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 26953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com bitmapPtr = &tmpBitmap; 27053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 27153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // Since we did an extract, we need to adjust the matrix accordingly 27253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkScalar dx = 0, dy = 0; 27353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (srcIR.fLeft > 0) { 27453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com dx = SkIntToScalar(srcIR.fLeft); 27553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 27653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (srcIR.fTop > 0) { 27753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com dy = SkIntToScalar(srcIR.fTop); 27853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 27953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (dx || dy) { 28053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com matrix.preTranslate(dx, dy); 28153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 28253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 28353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkRect extractedBitmapBounds; 28453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com extractedBitmapBounds.isetWH(bitmapPtr->width(), bitmapPtr->height()); 28553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (extractedBitmapBounds == tmpSrc) { 28653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // no fractional part in src, we can just call drawBitmap 28753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com goto USE_DRAWBITMAP; 28853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 28953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } else { 29053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com USE_DRAWBITMAP: 29153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // We can go faster by just calling drawBitmap, which will concat the 29253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // matrix with the CTM, and try to call drawSprite if it can. If not, 29353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // it will make a shader and call drawRect, as we do below. 2940393912de72bc3d8b3640c122c53470dd0da1e6dreed draw.drawBitmap(*bitmapPtr, matrix, dstPtr, paint); 29553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com return; 29653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 29753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 29853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // construct a shader, so we can call drawRect with the dst 29953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkShader* s = SkShader::CreateBitmapShader(*bitmapPtr, 30053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkShader::kClamp_TileMode, 3019c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org SkShader::kClamp_TileMode, 3029c9005a347e9996f357bd79591bd34f74f8bbc66commit-bot@chromium.org &matrix); 30353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com if (NULL == s) { 30453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com return; 30553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 30653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 30753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkPaint paintWithShader(paint); 30853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com paintWithShader.setStyle(SkPaint::kFill_Style); 30953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com paintWithShader.setShader(s)->unref(); 31053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 31153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // Call ourself, in case the subclass wanted to share this setup code 31253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com // but handle the drawRect code themselves. 31353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com this->drawRect(draw, *dstPtr, paintWithShader); 31453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 31553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 31653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawSprite(const SkDraw& draw, const SkBitmap& bitmap, 31753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com int x, int y, const SkPaint& paint) { 31853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawSprite(bitmap, x, y, paint); 31953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 32053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 32153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawText(const SkDraw& draw, const void* text, size_t len, 32253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com SkScalar x, SkScalar y, const SkPaint& paint) { 32353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawText((const char*)text, len, x, y, paint); 32453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 32553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 32653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawPosText(const SkDraw& draw, const void* text, size_t len, 32705c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkScalar xpos[], int scalarsPerPos, 32805c4a4322e7d4f3417b7df33825bab8603d52051fmalita const SkPoint& offset, const SkPaint& paint) { 32905c4a4322e7d4f3417b7df33825bab8603d52051fmalita draw.drawPosText((const char*)text, len, xpos, scalarsPerPos, offset, paint); 33053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 33153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 33253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawVertices(const SkDraw& draw, SkCanvas::VertexMode vmode, 33353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com int vertexCount, 33453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkPoint verts[], const SkPoint textures[], 33553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkColor colors[], SkXfermode* xmode, 33653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const uint16_t indices[], int indexCount, 33753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkPaint& paint) { 33853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawVertices(vmode, vertexCount, verts, textures, colors, xmode, 33953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com indices, indexCount, paint); 34053238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 34153238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 34253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.comvoid SkBitmapDevice::drawDevice(const SkDraw& draw, SkBaseDevice* device, 34353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com int x, int y, const SkPaint& paint) { 34453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com const SkBitmap& src = device->accessBitmap(false); 34553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com draw.drawSprite(src, x, y, paint); 34653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 34753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 3484a8126e7f81384526629b1e21bf89b632ea13cd9reedSkSurface* SkBitmapDevice::newSurface(const SkImageInfo& info, const SkSurfaceProps& props) { 3494a8126e7f81384526629b1e21bf89b632ea13cd9reed return SkSurface::NewRaster(info, &props); 35076f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com} 35176f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com 352c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.orgconst void* SkBitmapDevice::peekPixels(SkImageInfo* info, size_t* rowBytes) { 353466f5f3e44e703ca58b43ac1c4ac3bfa0e1ff024commit-bot@chromium.org const SkImageInfo bmInfo = fBitmap.info(); 354466f5f3e44e703ca58b43ac1c4ac3bfa0e1ff024commit-bot@chromium.org if (fBitmap.getPixels() && (kUnknown_SkColorType != bmInfo.colorType())) { 355466f5f3e44e703ca58b43ac1c4ac3bfa0e1ff024commit-bot@chromium.org if (info) { 356466f5f3e44e703ca58b43ac1c4ac3bfa0e1ff024commit-bot@chromium.org *info = bmInfo; 357466f5f3e44e703ca58b43ac1c4ac3bfa0e1ff024commit-bot@chromium.org } 358c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org if (rowBytes) { 359c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org *rowBytes = fBitmap.rowBytes(); 360c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org } 361c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org return fBitmap.getPixels(); 362c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org } 363c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org return NULL; 364c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org} 365c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org 366be129b26f13d575fd6b396c6ae759838ecc9bd1asenorblancoSkImageFilter::Cache* SkBitmapDevice::getImageFilterCache() { 367be129b26f13d575fd6b396c6ae759838ecc9bd1asenorblanco SkImageFilter::Cache* cache = SkImageFilter::Cache::Get(); 36855b6d8be997a447ef9ce0f029697677a940bfc24senorblanco cache->ref(); 36955b6d8be997a447ef9ce0f029697677a940bfc24senorblanco return cache; 37055b6d8be997a447ef9ce0f029697677a940bfc24senorblanco} 37155b6d8be997a447ef9ce0f029697677a940bfc24senorblanco 37253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com/////////////////////////////////////////////////////////////////////////////// 37353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com 374b2db898573e3cdcc8234eebf51961bfc4977ebbcreedbool SkBitmapDevice::onShouldDisableLCD(const SkPaint& paint) const { 375cba73780bbd12fd254229517aec04fcbf0b64b52commit-bot@chromium.org if (kN32_SkColorType != fBitmap.colorType() || 37653238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com paint.getRasterizer() || 37753238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com paint.getPathEffect() || 37853238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com paint.isFakeBoldText() || 37953238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com paint.getStyle() != SkPaint::kFill_Style || 380b2db898573e3cdcc8234eebf51961bfc4977ebbcreed !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)) 381b2db898573e3cdcc8234eebf51961bfc4977ebbcreed { 38253238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com return true; 38353238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com } 38453238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com return false; 38553238bc96051d1774b7f72d3ebfd35a7dd4c04dfrobertphillips@google.com} 386