skia2/docs/examples/Bitmap_HeapAllocator_allocPixelRef.cpp

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// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=fe79a9c1ec350264eb9c7b2509dd3638
REG_FIDDLE(Bitmap_HeapAllocator_allocPixelRef, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
SkBitmap bitmap;
bitmap.setInfo(SkImageInfo::MakeN32(16, 16, kPremul_SkAlphaType));
SkDebugf("pixel address = %p\n", bitmap.getPixels());
SkBitmap::HeapAllocator stdalloc;
if (!stdalloc.allocPixelRef(&bitmap)) {
SkDebugf("pixel allocation failed\n");
} else {
SkDebugf("pixel address = %p\n", bitmap.getPixels());
}
}
} // END FIDDLE