|  | // 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=af3adcbea7b58bf90298ca5e0ea93030 | 
|  | REG_FIDDLE(Bitmap_setAlphaType, 256, 256, true, 0) { | 
|  | void draw(SkCanvas* canvas) { | 
|  | 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"}; | 
|  | const char* alphas[] = {"Unknown ", "Opaque  ", "Premul  ", "Unpremul"}; | 
|  | SkBitmap bitmap; | 
|  | SkAlphaType alphaTypes[] = { kUnknown_SkAlphaType, kOpaque_SkAlphaType, kPremul_SkAlphaType, | 
|  | kUnpremul_SkAlphaType | 
|  | }; | 
|  | SkDebugf("%18s%15s%17s%18s%19s\n", "Canonical", "Unknown", "Opaque", "Premul", "Unpremul"); | 
|  | for (SkColorType colorType : { | 
|  | kUnknown_SkColorType, kAlpha_8_SkColorType, kRGB_565_SkColorType, | 
|  | kARGB_4444_SkColorType, kRGBA_8888_SkColorType, kRGB_888x_SkColorType, | 
|  | kBGRA_8888_SkColorType, kRGBA_1010102_SkColorType, kRGB_101010x_SkColorType, | 
|  | kGray_8_SkColorType, kRGBA_F16_SkColorType | 
|  | } ) { | 
|  | for (SkAlphaType canonicalAlphaType : alphaTypes) { | 
|  | SkColorTypeValidateAlphaType(colorType, kUnknown_SkAlphaType, &canonicalAlphaType ); | 
|  | SkDebugf("%12s %9s  ", colors[(int) colorType], alphas[(int) canonicalAlphaType ]); | 
|  | for (SkAlphaType alphaType : alphaTypes) { | 
|  | bitmap.setInfo(SkImageInfo::Make(4, 4, colorType, canonicalAlphaType)); | 
|  | bool result = bitmap.setAlphaType(alphaType); | 
|  | SkDebugf("%s %s    ", result ? "true " : "false", alphas[(int) bitmap.alphaType()]); | 
|  | } | 
|  | SkDebugf("\n"); | 
|  | } | 
|  | } | 
|  | } | 
|  | }  // END FIDDLE |