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=6ec7f7b2cc163cd29f627eef6d4b061c 5cb93a386Sopenharmony_ciREG_FIDDLE(Pixmap_readPixels_3, 256, 256, false, 3) { 6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) { 7cb93a386Sopenharmony_ci SkImageInfo info = SkImageInfo::MakeN32Premul(image->width(), image->height()); 8cb93a386Sopenharmony_ci std::vector<int32_t> srcPixels; 9cb93a386Sopenharmony_ci const int rowBytes = image->width() * 4; 10cb93a386Sopenharmony_ci srcPixels.resize(image->height() * rowBytes); 11cb93a386Sopenharmony_ci SkPixmap pixmap(info, (const void*) &srcPixels.front(), rowBytes); 12cb93a386Sopenharmony_ci image->readPixels(nullptr, pixmap, 0, 0); 13cb93a386Sopenharmony_ci for (int offset : { 32, 64, 96 } ) { 14cb93a386Sopenharmony_ci std::vector<int32_t> dstPixels; 15cb93a386Sopenharmony_ci dstPixels.resize(image->height() * rowBytes); 16cb93a386Sopenharmony_ci SkPixmap dstmap(info, &dstPixels.front(), rowBytes); 17cb93a386Sopenharmony_ci pixmap.readPixels(dstmap, offset, 0); 18cb93a386Sopenharmony_ci SkBitmap bitmap; 19cb93a386Sopenharmony_ci bitmap.installPixels(dstmap); 20cb93a386Sopenharmony_ci canvas->translate(32, 32); 21cb93a386Sopenharmony_ci canvas->drawImage(bitmap.asImage(), 0, 0); 22cb93a386Sopenharmony_ci } 23cb93a386Sopenharmony_ci} 24cb93a386Sopenharmony_ci} // END FIDDLE 25