1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC. 2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. 3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h" 4cb93a386Sopenharmony_ci// HASH=8aa8ca63dff4641dfc6ea8a3c555d59c 5cb93a386Sopenharmony_ciREG_FIDDLE(Image_readPixels, 256, 256, false, 3) { 6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) { 7cb93a386Sopenharmony_ci canvas->scale(.5f, .5f); 8cb93a386Sopenharmony_ci const int width = 32; 9cb93a386Sopenharmony_ci const int height = 32; 10cb93a386Sopenharmony_ci std::vector<int32_t> dstPixels; 11cb93a386Sopenharmony_ci dstPixels.resize(height * width * 4); 12cb93a386Sopenharmony_ci SkImageInfo info = SkImageInfo::MakeN32Premul(width, height); 13cb93a386Sopenharmony_ci for (int y = 0; y < 512; y += height ) { 14cb93a386Sopenharmony_ci for (int x = 0; x < 512; x += width ) { 15cb93a386Sopenharmony_ci if (image->readPixels(nullptr, info, &dstPixels.front(), width * 4, x, y)) { 16cb93a386Sopenharmony_ci SkPixmap dstPixmap(info, &dstPixels.front(), width * 4); 17cb93a386Sopenharmony_ci SkBitmap bitmap; 18cb93a386Sopenharmony_ci bitmap.installPixels(dstPixmap); 19cb93a386Sopenharmony_ci canvas->drawImage(bitmap.asImage(), 0, 0); 20cb93a386Sopenharmony_ci } 21cb93a386Sopenharmony_ci canvas->translate(48, 0); 22cb93a386Sopenharmony_ci } 23cb93a386Sopenharmony_ci canvas->translate(-16 * 48, 48); 24cb93a386Sopenharmony_ci } 25cb93a386Sopenharmony_ci} 26cb93a386Sopenharmony_ci} // END FIDDLE 27