1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "tools/fiddle/examples.h"
4// HASH=4590fbf052659d6e629fbfd827081ae5
5REG_FIDDLE(Bitmap_readPixels_3, 256, 128, false, 3) {
6void draw(SkCanvas* canvas) {
7    std::vector<int32_t> srcPixels;
8    srcPixels.resize(source.height() * source.width() * 8);
9    for (int i = 0;  i < 2; ++i) {
10    SkPixmap pixmap(SkImageInfo::Make(source.width() * 2, source.height(),
11                    i ? kRGBA_8888_SkColorType : kBGRA_8888_SkColorType, kPremul_SkAlphaType),
12                    &srcPixels.front() + i * source.width(), source.rowBytes() * 2);
13        source.readPixels(pixmap);
14    }
15    canvas->scale(.25f, .25f);
16    SkBitmap bitmap;
17    bitmap.installPixels(SkImageInfo::MakeN32Premul(source.width() * 2, source.height()),
18                         &srcPixels.front(), source.rowBytes() * 2);
19    canvas->drawImage(bitmap.asImage(), 0, 0);
20}
21}  // END FIDDLE
22