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=8f463ed17b0ed4fb9c503a0ec71706f9
5REG_FIDDLE(Bitmap_notifyPixelsChanged, 256, 20, false, 0) {
6void draw(SkCanvas* canvas) {
7    SkBitmap bitmap;
8    bitmap.setInfo(SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType));
9    bitmap.allocPixels();
10    bitmap.eraseColor(SK_ColorRED);
11    canvas->scale(16, 16);
12    canvas->drawImage(bitmap.asImage(), 0, 0);
13    *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorBLUE);
14    canvas->drawImage(bitmap.asImage(), 2, 0);
15    bitmap.notifyPixelsChanged();
16    *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorGREEN);
17    canvas->drawImage(bitmap.asImage(), 4, 0);
18}
19}  // END FIDDLE
20