| // 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 "tools/fiddle/examples.h" |
| // HASH=de9be45255e48fae445c916a41063abc |
| REG_FIDDLE(Bitmap_swap, 256, 256, true, 0) { |
| void draw(SkCanvas* canvas) { |
| auto debugster = [](const char* prefix, const SkBitmap& b) -> void { |
| const char* alphas[] = {"Unknown", "Opaque", "Premul", "Unpremul"}; |
| const char* colors[] = {"Unknown", "Alpha_8", "RGB_565", "ARGB_4444", "RGBA_8888", "RGB_888x", |
| "BGRA_8888", "RGBA_1010102", "RGB_101010x", "Gray_8", "RGBA_F16Norm", |
| "RGBA_F16"}; |
| SkDebugf("%s width:%d height:%d colorType:k%s_SkColorType alphaType:k%s_SkAlphaType\n", |
| prefix, b.width(), b.height(), colors[b.colorType()], alphas[b.alphaType()]); |
| }; |
| SkBitmap one, two; |
| if (!one.tryAllocPixels( |
| SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType))) { |
| return; |
| } |
| if (!two.tryAllocPixels( |
| SkImageInfo::Make(2, 2, kBGRA_8888_SkColorType, kPremul_SkAlphaType))) { |
| return; |
| } |
| for (int index = 0; index < 2; ++index) { |
| debugster("one", one); |
| debugster("two", two); |
| one.swap(two); |
| } |
| } |
| } // END FIDDLE |
