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=de14d8d30e4a7b6462103d0e0dd96b0b
5 REG_FIDDLE(Pixmap_writable_addr64, 256, 40, false, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7     SkImageInfo info = SkImageInfo::Make(3, 3, kRGBA_F16_SkColorType, kPremul_SkAlphaType);
8     uint64_t storage[9];
9     SkPixmap pixmap(info, storage, 3 * sizeof(uint64_t));
10     SkColor4f c4 { 1, 0.45f, 0.25f, 0.65f };
11     pixmap.erase(c4);
12     SkBitmap bitmap;
13     canvas->scale(10, 10);
14     bitmap.installPixels(pixmap);
15     canvas->drawImage(bitmap.asImage(), 0, 0);
16     *pixmap.writable_addr64(1, 1) |= 0x00ff000000000000LL;
17     bitmap.installPixels(pixmap);
18     canvas->drawImage(bitmap.asImage(), 10, 0);
19 }
20 }  // END FIDDLE
21