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_allocPixels, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 SkBitmap bitmap;
7 SkImageInfo info = SkImageInfo::Make(256, 64, kGray_8_SkColorType, kOpaque_SkAlphaType);
8 bitmap.allocPixels(info, info.width() * info.bytesPerPixel() + 64);
9 SkCanvas offscreen(bitmap);
10 offscreen.scale(.5f, .5f);
11 for (int y : { 0, 64, 128, 192 } ) {
12 offscreen.drawImage(source.asImage(), 0, -y);
13 canvas->drawImage(bitmap.asImage(), 0, y);
14 }
15 }
16 } // END FIDDLE
17