31 lines
1.3 KiB
C++
31 lines
1.3 KiB
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=de9be45255e48fae445c916a41063abc
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REG_FIDDLE(Bitmap_swap, 256, 256, true, 0) {
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void draw(SkCanvas* canvas) {
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auto debugster = [](const char* prefix, const SkBitmap& b) -> void {
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const char* alphas[] = {"Unknown", "Opaque", "Premul", "Unpremul"};
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const char* colors[] = {"Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888", "RGB_888x",
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"BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm",
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"RGBA_F16"};
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SkDebugf("%s width:%d height:%d colorType:k%s_SkColorType alphaType:k%s_SkAlphaType\n",
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prefix, b.width(), b.height(), colors[b.colorType()], alphas[b.alphaType()]);
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};
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SkBitmap one, two;
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if (!one.tryAllocPixels(
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SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType))) {
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return;
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}
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if (!two.tryAllocPixels(
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SkImageInfo::Make(2, 2, kBGRA_8888_SkColorType, kPremul_SkAlphaType))) {
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return;
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}
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for (int index = 0; index < 2; ++index) {
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debugster("one", one);
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debugster("two", two);
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one.swap(two);
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}
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}
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} // END FIDDLE
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