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(Canvas_writePixels_2, 256, 256, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 SkImageInfo imageInfo = SkImageInfo::MakeN32Premul(2, 2);
7 SkBitmap bitmap;
8 bitmap.setInfo(imageInfo);
9 uint32_t pixels[4];
10 bitmap.setPixels(pixels);
11 for (int y = 0; y < 256; y += 2) {
12 for (int x = 0; x < 256; x += 2) {
13 pixels[0] = SkColorSetRGB(x, y, x | y);
14 pixels[1] = SkColorSetRGB(x ^ y, y, x);
15 pixels[2] = SkColorSetRGB(x, x & y, y);
16 pixels[3] = SkColorSetRGB((~x) & 0xFF, (~y) & 0xFF, x);
17 canvas->writePixels(bitmap, x, y);
18 }
19 }
20 }
21 } // END FIDDLE
22