xref: /aosp_15_r20/external/skia/docs/examples/Bitmap_HeapAllocator_allocPixelRef.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17) 
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_HeapAllocator_allocPixelRef, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkBitmap bitmap;
7     bitmap.setInfo(SkImageInfo::MakeN32(16, 16, kPremul_SkAlphaType));
8     SkDebugf("pixel address = %p\n", bitmap.getPixels());
9     SkBitmap::HeapAllocator stdalloc;
10     if (!stdalloc.allocPixelRef(&bitmap)) {
11         SkDebugf("pixel allocation failed\n");
12     } else {
13         SkDebugf("pixel address = %p\n", bitmap.getPixels());
14     }
15 }
16 }  // END FIDDLE
17