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