// 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=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