// 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=e18549b5ee1039cb61b0bb38c2104fc9 REG_FIDDLE(Pixmap_readPixels_4, 256, 256, false, 3) { void draw(SkCanvas* canvas) { SkImageInfo info = SkImageInfo::MakeN32Premul(image->width(), image->height()); std::vector srcPixels; const int rowBytes = image->width() * 4; srcPixels.resize(image->height() * rowBytes); SkPixmap pixmap(info, (const void*) &srcPixels.front(), rowBytes); image->readPixels(nullptr, pixmap, 0, 0); for (int index = 0; index < 3; ++index ) { std::vector dstPixels; dstPixels.resize(image->height() * rowBytes); SkPixmap dstmap(info, &dstPixels.front(), rowBytes); pixmap.readPixels(dstmap); SkBitmap bitmap; bitmap.installPixels(dstmap); canvas->translate(32, 32); canvas->drawImage(bitmap.asImage(), 0, 0); } } } // END FIDDLE