1 // Copyright 2020 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(unexpected_setAlphaType, 256, 256, true, 0) {
alphatype_name(SkAlphaType at)5 static const char* alphatype_name(SkAlphaType at) {
6 switch (at) {
7 case kUnknown_SkAlphaType: return "Unknown";
8 case kOpaque_SkAlphaType: return "Opaque";
9 case kPremul_SkAlphaType: return "Premul";
10 case kUnpremul_SkAlphaType: return "Unpremul";
11 }
12 SkASSERT(false);
13 return "unexpected alphatype";
14 }
colortype_name(SkColorType ct)15 static const char* colortype_name(SkColorType ct) {
16 switch (ct) {
17 case kUnknown_SkColorType: return "Unknown";
18 case kAlpha_8_SkColorType: return "Alpha_8";
19 case kA16_unorm_SkColorType: return "Alpha_16";
20 case kA16_float_SkColorType: return "A16_float";
21 case kRGB_565_SkColorType: return "RGB_565";
22 case kARGB_4444_SkColorType: return "ARGB_4444";
23 case kRGBA_8888_SkColorType: return "RGBA_8888";
24 case kSRGBA_8888_SkColorType: return "SRGBA_8888";
25 case kRGB_888x_SkColorType: return "RGB_888x";
26 case kBGRA_8888_SkColorType: return "BGRA_8888";
27 case kRGBA_1010102_SkColorType: return "RGBA_1010102";
28 case kRGB_101010x_SkColorType: return "RGB_101010x";
29 case kBGRA_1010102_SkColorType: return "BGRA_1010102";
30 case kBGR_101010x_SkColorType: return "BGR_101010x";
31 case kGray_8_SkColorType: return "Gray_8";
32 case kRGBA_F16Norm_SkColorType: return "RGBA_F16Norm";
33 case kRGBA_F16_SkColorType: return "RGBA_F16";
34 case kRGBA_F32_SkColorType: return "RGBA_F32";
35 case kR8G8_unorm_SkColorType: return "R8G8_unorm";
36 case kR16G16_unorm_SkColorType: return "R16G16_unorm";
37 case kR16G16_float_SkColorType: return "R16G16_float";
38 case kR16G16B16A16_unorm_SkColorType: return "R16G16B16A16_unorm";
39 }
40 SkASSERT(false);
41 return "unexpected colortype";
42 }
draw(SkCanvas * canvas)43 void draw(SkCanvas* canvas) {
44 static const SkAlphaType kAlphaTypes[] =
45 {kUnknown_SkAlphaType, kOpaque_SkAlphaType, kPremul_SkAlphaType, kUnpremul_SkAlphaType};
46 static const SkColorType kColorTypes[] =
47 {kUnknown_SkColorType, kAlpha_8_SkColorType, kRGB_565_SkColorType,
48 kARGB_4444_SkColorType, kRGBA_8888_SkColorType, kRGB_888x_SkColorType,
49 kBGRA_8888_SkColorType, kRGBA_1010102_SkColorType, kRGB_101010x_SkColorType,
50 kGray_8_SkColorType, kRGBA_F16_SkColorType};
51 SkBitmap bitmap;
52 SkDebugf("%16s Canonical Unknown Opaque Premul "
53 "Unpremul\n", " ");
54 for (SkColorType colorType : kColorTypes) {
55 for (SkAlphaType canonicalAlphaType : kAlphaTypes) {
56 SkColorTypeValidateAlphaType(colorType, kUnknown_SkAlphaType, &canonicalAlphaType);
57 SkDebugf("%15s %10s ", colortype_name(colorType), alphatype_name(canonicalAlphaType));
58 for (SkAlphaType alphaType : kAlphaTypes) {
59 bitmap.setInfo(SkImageInfo::Make(4, 4, colorType, canonicalAlphaType));
60 bool result = bitmap.setAlphaType(alphaType);
61 SkDebugf("%s %s ", result ? "true " : "false",
62 alphatype_name(bitmap.alphaType()));
63 }
64 SkDebugf("\n");
65 }
66 }
67 }
68 } // END FIDDLE
69