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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #ifndef picture_utils_DEFINED | 8 #ifndef picture_utils_DEFINED |
9 #define picture_utils_DEFINED | 9 #define picture_utils_DEFINED |
10 | 10 |
11 class SkBitmap; | 11 #include "SkBitmap.h" |
| 12 |
| 13 class SkData; |
12 class SkString; | 14 class SkString; |
13 | 15 |
14 namespace sk_tools { | 16 namespace sk_tools { |
15 // since PNG insists on unpremultiplying our alpha, we take no precision | 17 // since PNG insists on unpremultiplying our alpha, we take no precision |
16 // chances and force all pixels to be 100% opaque, otherwise on compare we | 18 // chances and force all pixels to be 100% opaque, otherwise on compare we |
17 // may not get a perfect match. | 19 // may not get a perfect match. |
18 // | 20 // |
19 // This expects a bitmap with a config type of 8888 and for the pixels to | 21 // This expects a bitmap with a config type of 8888 and for the pixels to |
20 // not be on the GPU. | 22 // not be on the GPU. |
21 void force_all_opaque(const SkBitmap& bitmap); | 23 void force_all_opaque(const SkBitmap& bitmap); |
(...skipping 18 matching lines...) Expand all Loading... |
40 * @param bm the bitmap to record | 42 * @param bm the bitmap to record |
41 * @param dirPath directory within which to write the image file | 43 * @param dirPath directory within which to write the image file |
42 * @param subdirOrNull subdirectory within dirPath, or nullptr to just write
into dirPath | 44 * @param subdirOrNull subdirectory within dirPath, or nullptr to just write
into dirPath |
43 * @param baseName last part of the filename | 45 * @param baseName last part of the filename |
44 * | 46 * |
45 * @return true if written out successfully | 47 * @return true if written out successfully |
46 */ | 48 */ |
47 bool write_bitmap_to_disk(const SkBitmap& bm, const SkString& dirPath, | 49 bool write_bitmap_to_disk(const SkBitmap& bm, const SkString& dirPath, |
48 const char *subdirOrNull, const SkString& baseName
); | 50 const char *subdirOrNull, const SkString& baseName
); |
49 | 51 |
| 52 // Return raw unpremultiplied RGBA bytes, suitable for storing in a PNG. The
output |
| 53 // colors are assumed to be sRGB values. This is only guaranteed to work for
the |
| 54 // cases that are currently emitted by tools: |
| 55 // Linear premul 8888, sRGB premul 8888, Linear premul F16 |
| 56 sk_sp<SkData> encode_bitmap_for_png(SkBitmap bitmap); |
| 57 |
50 } // namespace sk_tools | 58 } // namespace sk_tools |
51 | 59 |
52 #endif // picture_utils_DEFINED | 60 #endif // picture_utils_DEFINED |
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