void QuiltTask::draw() { SkAutoTUnref<SkPicture> recorded(RecordPicture(fGM.get())); SkBitmap full; SetupBitmap(fReference.colorType(), fGM.get(), &full); SkCanvas fullCanvas(full); SkBitmap tile; tile.allocPixels(SkImageInfo::Make(FLAGS_quiltTile, FLAGS_quiltTile, fReference.colorType(), kPremul_SkAlphaType)); SkCanvas tileCanvas(tile); for (int y = 0; y < tiles_needed(full.height(), tile.height()); y++) { for (int x = 0; x < tiles_needed(full.width(), tile.width()); x++) { SkAutoCanvasRestore ar(&tileCanvas, true/*also save now*/); const SkScalar xOffset = SkIntToScalar(x * tile.width()), yOffset = SkIntToScalar(y * tile.height()); SkMatrix matrix = tileCanvas.getTotalMatrix(); matrix.postTranslate(-xOffset, -yOffset); tileCanvas.setMatrix(matrix); recorded->draw(&tileCanvas); tileCanvas.flush(); fullCanvas.drawBitmap(tile, xOffset, yOffset, NULL); } } if (!BitmapsEqual(full, fReference)) { this->fail(); this->spawnChild(SkNEW_ARGS(WriteTask, (*this, full))); } }
void TileGridTask::draw() { const SkTileGridPicture::TileGridInfo info = { fTileSize, SkISize::Make(0,0), // Overlap between adjacent tiles. SkIPoint::Make(0,0), // Offset. }; const SkISize size = fGM->getISize(); SkTileGridPicture recorded(size.width(), size.height(), info); RecordPicture(fGM.get(), &recorded, SkPicture::kUsePathBoundsForClip_RecordingFlag); SkBitmap full; SetupBitmap(fReference.colorType(), fGM.get(), &full); SkCanvas fullCanvas(full); SkBitmap tile; tile.allocPixels(SkImageInfo::Make(fTileSize.width(), fTileSize.height(), fReference.colorType(), kPremul_SkAlphaType)); SkCanvas tileCanvas(tile); SkPaint paint; paint.setXfermodeMode(SkXfermode::kSrc_Mode); for (int y = 0; y < tiles_needed(full.height(), tile.height()); y++) { for (int x = 0; x < tiles_needed(full.width(), tile.width()); x++) { SkAutoCanvasRestore ar(&tileCanvas, true/*also save now*/); const SkScalar xOffset = SkIntToScalar(x * tile.width()), yOffset = SkIntToScalar(y * tile.height()); SkMatrix matrix = tileCanvas.getTotalMatrix(); matrix.postTranslate(-xOffset, -yOffset); tileCanvas.setMatrix(matrix); recorded.draw(&tileCanvas); tileCanvas.flush(); fullCanvas.drawBitmap(tile, xOffset, yOffset, &paint); } } if (!BitmapsEqual(full, fReference)) { this->fail(); this->spawnChild(SkNEW_ARGS(WriteTask, (*this, full))); } }