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 "include/core/SkColorType.h"
4 #include "tools/fiddle/examples.h"
5 REG_FIDDLE(unexpected_setAlphaType, 256, 256, true, 0) {
alphatype_name(SkAlphaType at)6 static const char* alphatype_name(SkAlphaType at) {
7 switch (at) {
8 case kUnknown_SkAlphaType: return "Unknown";
9 case kOpaque_SkAlphaType: return "Opaque";
10 case kPremul_SkAlphaType: return "Premul";
11 case kUnpremul_SkAlphaType: return "Unpremul";
12 }
13 SkASSERT(false);
14 return "unexpected alphatype";
15 }
colortype_name(SkColorType ct)16 static const char* colortype_name(SkColorType ct) {
17 switch (ct) {
18 case kUnknown_SkColorType: return "Unknown";
19 case kAlpha_8_SkColorType: return "Alpha_8";
20 case kA16_unorm_SkColorType: return "Alpha_16";
21 case kA16_float_SkColorType: return "A16_float";
22 case kRGB_565_SkColorType: return "RGB_565";
23 case kARGB_4444_SkColorType: return "ARGB_4444";
24 case kRGBA_8888_SkColorType: return "RGBA_8888";
25 case kSRGBA_8888_SkColorType: return "SRGBA_8888";
26 case kRGB_888x_SkColorType: return "RGB_888x";
27 case kBGRA_8888_SkColorType: return "BGRA_8888";
28 case kRGBA_1010102_SkColorType: return "RGBA_1010102";
29 case kRGB_101010x_SkColorType: return "RGB_101010x";
30 case kBGRA_1010102_SkColorType: return "BGRA_1010102";
31 case kBGR_101010x_SkColorType: return "BGR_101010x";
32 case kBGR_101010x_XR_SkColorType: return "BGR_101010x_xr";
33 case kBGRA_10101010_XR_SkColorType: return "BGRA_10101010_xr";
34 case kRGBA_10x6_SkColorType: return "RGBA_10x6";
35 case kGray_8_SkColorType: return "Gray_8";
36 case kRGBA_F16Norm_SkColorType: return "RGBA_F16Norm";
37 case kRGBA_F16_SkColorType: return "RGBA_F16";
38 case kRGBA_F32_SkColorType: return "RGBA_F32";
39 case kR8G8_unorm_SkColorType: return "R8G8_unorm";
40 case kR16G16_unorm_SkColorType: return "R16G16_unorm";
41 case kR16G16_float_SkColorType: return "R16G16_float";
42 case kR16G16B16A16_unorm_SkColorType: return "R16G16B16A16_unorm";
43 case kR8_unorm_SkColorType: return "R8_unorm";
44 }
45 SkASSERT(false);
46 return "unexpected colortype";
47 }
draw(SkCanvas * canvas)48 void draw(SkCanvas* canvas) {
49 static const SkAlphaType kAlphaTypes[] =
50 {kUnknown_SkAlphaType, kOpaque_SkAlphaType, kPremul_SkAlphaType, kUnpremul_SkAlphaType};
51 static const SkColorType kColorTypes[] =
52 {kUnknown_SkColorType, kAlpha_8_SkColorType, kRGB_565_SkColorType,
53 kARGB_4444_SkColorType, kRGBA_8888_SkColorType, kRGB_888x_SkColorType,
54 kBGRA_8888_SkColorType, kRGBA_1010102_SkColorType, kRGB_101010x_SkColorType,
55 kGray_8_SkColorType, kRGBA_F16_SkColorType};
56 SkBitmap bitmap;
57 SkDebugf("%16s Canonical Unknown Opaque Premul "
58 "Unpremul\n", " ");
59 for (SkColorType colorType : kColorTypes) {
60 for (SkAlphaType canonicalAlphaType : kAlphaTypes) {
61 SkColorTypeValidateAlphaType(colorType, kUnknown_SkAlphaType, &canonicalAlphaType);
62 SkDebugf("%15s %10s ", colortype_name(colorType), alphatype_name(canonicalAlphaType));
63 for (SkAlphaType alphaType : kAlphaTypes) {
64 bitmap.setInfo(SkImageInfo::Make(4, 4, colorType, canonicalAlphaType));
65 bool result = bitmap.setAlphaType(alphaType);
66 SkDebugf("%s %s ", result ? "true " : "false",
67 alphatype_name(bitmap.alphaType()));
68 }
69 SkDebugf("\n");
70 }
71 }
72 }
73 } // END FIDDLE
74