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