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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 #include "SkTypes.h" | 11 #include "SkTypes.h" |
12 | 12 |
13 class SkBitmap; | 13 class SkBitmap; |
14 class SkFILEStream; | 14 class SkFILEStream; |
15 class SkPicture; | 15 class SkPicture; |
16 class SkString; | 16 class SkString; |
17 | 17 |
18 namespace sk_tools { | 18 namespace sk_tools { |
19 // since PNG insists on unpremultiplying our alpha, we take no precision | 19 // since PNG insists on unpremultiplying our alpha, we take no precision |
20 // chances and force all pixels to be 100% opaque, otherwise on compare we | 20 // chances and force all pixels to be 100% opaque, otherwise on compare we |
21 // may not get a perfect match. | 21 // may not get a perfect match. |
22 // | 22 // |
23 // This expects a bitmap with a config type of 8888 and for the pixels to | 23 // This expects a bitmap with a config type of 8888 and for the pixels to |
24 // not be on the GPU. | 24 // not be on the GPU. |
25 void force_all_opaque(const SkBitmap& bitmap); | 25 void force_all_opaque(const SkBitmap& bitmap); |
26 | 26 |
| 27 /** |
| 28 * Replaces all instances of oldChar with newChar in str. |
| 29 * |
| 30 * TODO: This function appears here and in skimage_main.cpp ; |
| 31 * we should add the implementation to src/core/SkString.cpp, write tests fo
r it, |
| 32 * and remove it from elsewhere. |
| 33 */ |
| 34 void replace_char(SkString* str, const char oldChar, const char newChar); |
| 35 |
27 // Creates a posix style filepath by concatenating name onto dir with a | 36 // Creates a posix style filepath by concatenating name onto dir with a |
28 // forward slash into path. | 37 // forward slash into path. |
| 38 // TODO(epoger): delete in favor of SkOSPath::SkPathJoin()? |
29 void make_filepath(SkString* path, const SkString&, const SkString& name); | 39 void make_filepath(SkString* path, const SkString&, const SkString& name); |
30 | 40 |
31 // Returns the last part of the path (file name or leaf directory name) | 41 // Returns the last part of the path (file name or leaf directory name) |
32 // | 42 // |
33 // This basically just looks for a foward slash or backslash (windows | 43 // This basically just looks for a foward slash or backslash (windows |
34 // only). | 44 // only). |
| 45 // TODO(epoger): delete in favor of SkOSPath::SkBasename()? |
35 void get_basename(SkString* basename, const SkString& path); | 46 void get_basename(SkString* basename, const SkString& path); |
36 | 47 |
37 // Returns true if the string ends with % | 48 // Returns true if the string ends with % |
38 bool is_percentage(const char* const string); | 49 bool is_percentage(const char* const string); |
39 | 50 |
40 // Prepares the bitmap so that it can be written. | 51 // Prepares the bitmap so that it can be written. |
41 // | 52 // |
42 // Specifically, it configures the bitmap, allocates pixels and then | 53 // Specifically, it configures the bitmap, allocates pixels and then |
43 // erases the pixels to transparent black. | 54 // erases the pixels to transparent black. |
44 void setup_bitmap(SkBitmap* bitmap, int width, int height); | 55 void setup_bitmap(SkBitmap* bitmap, int width, int height); |
45 } | 56 } |
46 | 57 |
47 #endif // picture_utils_DEFINED | 58 #endif // picture_utils_DEFINED |
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