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=34479d5aa23ce9f5e334b0786c9edb22
5 REG_FIDDLE(Bitmap_tryAllocPixels, 256, 256, false, 3) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkBitmap bitmap;
8 SkImageInfo info = SkImageInfo::Make(64, 256, kGray_8_SkColorType, kOpaque_SkAlphaType);
9 if (bitmap.tryAllocPixels(info, 0)) {
10 SkCanvas offscreen(bitmap);
11 offscreen.scale(.5f, .5f);
12 for (int x : { 0, 64, 128, 192 } ) {
13 offscreen.drawImage(source.asImage(), -x, 0);
14 canvas->drawImage(bitmap.asImage(), x, 0);
15 }
16 }
17 }
18 } // END FIDDLE
19