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
5 REG_FIDDLE(Bitmap_notifyPixelsChanged, 256, 20, false, 0) {
draw(SkCanvas * canvas)6 void 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