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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 class SkBitmap; |
12 class SkString; | 12 class SkString; |
13 | 13 |
14 namespace sk_tools { | 14 namespace sk_tools { |
15 // since PNG insists on unpremultiplying our alpha, we take no precision | 15 // 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 | 16 // chances and force all pixels to be 100% opaque, otherwise on compare we |
17 // may not get a perfect match. | 17 // may not get a perfect match. |
18 // | 18 // |
19 // This expects a bitmap with a config type of 8888 and for the pixels to | 19 // This expects a bitmap with a config type of 8888 and for the pixels to |
20 // not be on the GPU. | 20 // not be on the GPU. |
21 void force_all_opaque(const SkBitmap& bitmap); | 21 void force_all_opaque(const SkBitmap& bitmap); |
22 | 22 |
23 /** | 23 /** |
24 * Replaces all instances of oldChar with newChar in str. | 24 * Replaces all instances of oldChar with newChar in str. |
25 * | |
26 * TODO: This function appears here and in skimage_main.cpp ; | |
27 * we should add the implementation to src/core/SkString.cpp, write tests fo
r it, | |
28 * and remove it from elsewhere. | |
29 */ | 25 */ |
30 void replace_char(SkString* str, const char oldChar, const char newChar); | 26 void replace_char(SkString* str, const char oldChar, const char newChar); |
31 | 27 |
32 // Returns true if the string ends with % | 28 // Returns true if the string ends with % |
33 bool is_percentage(const char* const string); | 29 bool is_percentage(const char* const string); |
34 | 30 |
35 // Prepares the bitmap so that it can be written. | 31 // Prepares the bitmap so that it can be written. |
36 // | 32 // |
37 // Specifically, it configures the bitmap, allocates pixels and then | 33 // Specifically, it configures the bitmap, allocates pixels and then |
38 // erases the pixels to transparent black. | 34 // erases the pixels to transparent black. |
39 void setup_bitmap(SkBitmap* bitmap, int width, int height); | 35 void setup_bitmap(SkBitmap* bitmap, int width, int height); |
40 | 36 |
41 /** | 37 /** |
42 * Write a bitmap file to disk. | 38 * Write a bitmap file to disk. |
43 * | 39 * |
44 * @param bm the bitmap to record | 40 * @param bm the bitmap to record |
45 * @param dirPath directory within which to write the image file | 41 * @param dirPath directory within which to write the image file |
46 * @param subdirOrNull subdirectory within dirPath, or NULL to just write in
to dirPath | 42 * @param subdirOrNull subdirectory within dirPath, or NULL to just write in
to dirPath |
47 * @param baseName last part of the filename | 43 * @param baseName last part of the filename |
48 * | 44 * |
49 * @return true if written out successfully | 45 * @return true if written out successfully |
50 */ | 46 */ |
51 bool write_bitmap_to_disk(const SkBitmap& bm, const SkString& dirPath, | 47 bool write_bitmap_to_disk(const SkBitmap& bm, const SkString& dirPath, |
52 const char *subdirOrNull, const SkString& baseName
); | 48 const char *subdirOrNull, const SkString& baseName
); |
53 | 49 |
54 } // namespace sk_tools | 50 } // namespace sk_tools |
55 | 51 |
56 #endif // picture_utils_DEFINED | 52 #endif // picture_utils_DEFINED |
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