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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmapDevice.h" | 8 #include "SkBitmapDevice.h" |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkConfig8888.h" | 10 #include "SkConfig8888.h" |
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32 byte[0] = SkColorGetB(c); | 32 byte[0] = SkColorGetB(c); |
33 byte[1] = SkColorGetG(c); | 33 byte[1] = SkColorGetG(c); |
34 byte[2] = SkColorGetR(c); | 34 byte[2] = SkColorGetR(c); |
35 byte[3] = SkColorGetA(c); | 35 byte[3] = SkColorGetA(c); |
36 return packed; | 36 return packed; |
37 } | 37 } |
38 | 38 |
39 typedef uint32_t (*PackUnpremulProc)(SkColor); | 39 typedef uint32_t (*PackUnpremulProc)(SkColor); |
40 | 40 |
41 const struct { | 41 const struct { |
42 SkColorType fColorType; | 42 SkColorType fColorType; |
43 PackUnpremulProc fPackProc; | 43 PackUnpremulProc fPackProc; |
44 SkCanvas::Config8888 fConfig8888; | |
45 } gUnpremul[] = { | 44 } gUnpremul[] = { |
46 { kRGBA_8888_SkColorType, pack_unpremul_rgba, SkCanvas::kRGBA_Unpremul_Confi
g8888 }, | 45 { kRGBA_8888_SkColorType, pack_unpremul_rgba }, |
47 { kBGRA_8888_SkColorType, pack_unpremul_bgra, SkCanvas::kBGRA_Unpremul_Confi
g8888 }, | 46 { kBGRA_8888_SkColorType, pack_unpremul_bgra }, |
48 }; | 47 }; |
49 | 48 |
50 static void fillCanvas(SkCanvas* canvas, SkColorType colorType, PackUnpremulProc
proc) { | 49 static void fillCanvas(SkCanvas* canvas, SkColorType colorType, PackUnpremulProc
proc) { |
51 // Don't strictly need a bitmap, but its a handy way to allocate the pixels | 50 // Don't strictly need a bitmap, but its a handy way to allocate the pixels |
52 SkBitmap bmp; | 51 SkBitmap bmp; |
53 bmp.allocN32Pixels(256, 256); | 52 bmp.allocN32Pixels(256, 256); |
54 | 53 |
55 for (int a = 0; a < 256; ++a) { | 54 for (int a = 0; a < 256; ++a) { |
56 uint32_t* pixels = bmp.getAddr32(0, a); | 55 uint32_t* pixels = bmp.getAddr32(0, a); |
57 for (int r = 0; r < 256; ++r) { | 56 for (int r = 0; r < 256; ++r) { |
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92 continue; | 91 continue; |
93 } | 92 } |
94 | 93 |
95 device.reset(SkGpuDevice::Create(context, info, 0)); | 94 device.reset(SkGpuDevice::Create(context, info, 0)); |
96 #else | 95 #else |
97 continue; | 96 continue; |
98 #endif | 97 #endif |
99 } | 98 } |
100 SkCanvas canvas(device); | 99 SkCanvas canvas(device); |
101 | 100 |
102 SkBitmap readBmp1; | |
103 readBmp1.allocN32Pixels(256, 256); | |
104 SkBitmap readBmp2; | |
105 readBmp2.allocN32Pixels(256, 256); | |
106 | |
107 for (size_t upmaIdx = 0; upmaIdx < SK_ARRAY_COUNT(gUnpremul); ++upma
Idx) { | 101 for (size_t upmaIdx = 0; upmaIdx < SK_ARRAY_COUNT(gUnpremul); ++upma
Idx) { |
108 fillCanvas(&canvas, gUnpremul[upmaIdx].fColorType, gUnpremul[upm
aIdx].fPackProc); | 102 fillCanvas(&canvas, gUnpremul[upmaIdx].fColorType, gUnpremul[upm
aIdx].fPackProc); |
109 | 103 |
| 104 const SkImageInfo info = SkImageInfo::Make(256, 256, gUnpremul[u
pmaIdx].fColorType, |
| 105 kUnpremul_SkAlphaType
); |
| 106 SkBitmap readBmp1; |
| 107 readBmp1.allocPixels(info); |
| 108 SkBitmap readBmp2; |
| 109 readBmp2.allocPixels(info); |
| 110 |
110 readBmp1.eraseColor(0); | 111 readBmp1.eraseColor(0); |
111 readBmp2.eraseColor(0); | 112 readBmp2.eraseColor(0); |
112 | 113 |
113 canvas.readPixels(&readBmp1, 0, 0, gUnpremul[upmaIdx].fConfig888
8); | 114 canvas.readPixels(&readBmp1, 0, 0); |
114 sk_tool_utils::write_pixels(&canvas, readBmp1, 0, 0, gUnpremul[u
pmaIdx].fColorType, | 115 sk_tool_utils::write_pixels(&canvas, readBmp1, 0, 0, gUnpremul[u
pmaIdx].fColorType, |
115 kUnpremul_SkAlphaType); | 116 kUnpremul_SkAlphaType); |
116 canvas.readPixels(&readBmp2, 0, 0, gUnpremul[upmaIdx].fConfig888
8); | 117 canvas.readPixels(&readBmp2, 0, 0); |
117 | 118 |
118 bool success = true; | 119 bool success = true; |
119 for (int y = 0; y < 256 && success; ++y) { | 120 for (int y = 0; y < 256 && success; ++y) { |
120 const uint32_t* pixels1 = readBmp1.getAddr32(0, y); | 121 const uint32_t* pixels1 = readBmp1.getAddr32(0, y); |
121 const uint32_t* pixels2 = readBmp2.getAddr32(0, y); | 122 const uint32_t* pixels2 = readBmp2.getAddr32(0, y); |
122 for (int x = 0; x < 256 && success; ++x) { | 123 for (int x = 0; x < 256 && success; ++x) { |
123 REPORTER_ASSERT(reporter, success = pixels1[x] == pixels
2[x]); | 124 REPORTER_ASSERT(reporter, success = pixels1[x] == pixels
2[x]); |
124 } | 125 } |
125 } | 126 } |
126 } | 127 } |
127 } | 128 } |
128 } | 129 } |
129 } | 130 } |
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