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=c717491f9251604724c9cbde7088ec20
5 REG_FIDDLE(Bitmap_allocN32Pixels, 256, 256, false, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkRandom random;
8 SkBitmap bitmap;
9 bitmap.allocN32Pixels(64, 64);
10 bitmap.eraseColor(SK_ColorTRANSPARENT);
11 for (int y = 0; y < 256; y += 64) {
12 for (int x = 0; x < 256; x += 64) {
13 SkColor color = random.nextU();
14 uint32_t w = random.nextRangeU(4, 32);
15 uint32_t cx = random.nextRangeU(0, 64 - w);
16 uint32_t h = random.nextRangeU(4, 32);
17 uint32_t cy = random.nextRangeU(0, 64 - h);
18 bitmap.erase(color, SkIRect::MakeXYWH(cx, cy, w, h));
19 canvas->drawImage(bitmap.asImage(), x, y);
20 }
21 }
22 }
23 } // END FIDDLE
24