// Copyright 2019 Google LLC. // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. #include "tools/fiddle/examples.h" // HASH=e9f70cbc9827097449a386ec7a8a8188 REG_FIDDLE(Bitmap_readPixels_2, 256, 256, false, 3) { void draw(SkCanvas* canvas) { std::vector<int32_t> srcPixels; srcPixels.resize(source.height() * source.rowBytes()); for (int y = 0; y < 4; ++y) { for (int x = 0; x < 4; ++x) { SkPixmap pixmap(SkImageInfo::MakeN32Premul(source.width() / 4, source.height() / 4), &srcPixels.front() + x * source.height() * source.width() / 4 + y * source.width() / 4, source.rowBytes()); source.readPixels(pixmap, x * source.width() / 4, y * source.height() / 4); } } canvas->scale(.5f, .5f); SkBitmap bitmap; bitmap.installPixels(SkImageInfo::MakeN32Premul(source.width(), source.height()), &srcPixels.front(), source.rowBytes()); canvas->drawImage(bitmap.asImage(), 0, 0); } } // END FIDDLE