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
5 REG_FIDDLE(Bitmap_readPixels_3, 256, 128, false, 3) {
draw(SkCanvas * canvas)6 void 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