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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 #include "picture_utils.h" | 8 #include "picture_utils.h" |
9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
11 #include "SkImageEncoder.h" | 11 #include "SkImageEncoder.h" |
12 #include "SkOSFile.h" | 12 #include "SkOSFile.h" |
13 #include "SkPicture.h" | 13 #include "SkPicture.h" |
14 #include "SkStream.h" | 14 #include "SkStream.h" |
15 #include "SkString.h" | 15 #include "SkString.h" |
16 | 16 |
17 static bool is_path_seperator(const char chr) { | |
18 #if defined(SK_BUILD_FOR_WIN) | |
19 return chr == '\\' || chr == '/'; | |
20 #else | |
21 return chr == '/'; | |
22 #endif | |
23 } | |
24 | |
25 namespace sk_tools { | 17 namespace sk_tools { |
26 void force_all_opaque(const SkBitmap& bitmap) { | 18 void force_all_opaque(const SkBitmap& bitmap) { |
27 SkASSERT(NULL == bitmap.getTexture()); | 19 SkASSERT(NULL == bitmap.getTexture()); |
28 SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config()); | 20 SkASSERT(SkBitmap::kARGB_8888_Config == bitmap.config()); |
29 if (NULL != bitmap.getTexture() || SkBitmap::kARGB_8888_Config == bitmap
.config()) { | 21 if (NULL != bitmap.getTexture() || SkBitmap::kARGB_8888_Config == bitmap
.config()) { |
30 return; | 22 return; |
31 } | 23 } |
32 | 24 |
33 SkAutoLockPixels lock(bitmap); | 25 SkAutoLockPixels lock(bitmap); |
34 for (int y = 0; y < bitmap.height(); y++) { | 26 for (int y = 0; y < bitmap.height(); y++) { |
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51 | 43 |
52 void make_filepath(SkString* path, const SkString& dir, const SkString& name
) { | 44 void make_filepath(SkString* path, const SkString& dir, const SkString& name
) { |
53 size_t len = dir.size(); | 45 size_t len = dir.size(); |
54 path->set(dir); | 46 path->set(dir); |
55 if (0 < len && '/' != dir[len - 1]) { | 47 if (0 < len && '/' != dir[len - 1]) { |
56 path->append("/"); | 48 path->append("/"); |
57 } | 49 } |
58 path->append(name); | 50 path->append(name); |
59 } | 51 } |
60 | 52 |
61 void get_basename(SkString* basename, const SkString& path) { | |
62 if (path.size() == 0) { | |
63 basename->reset(); | |
64 return; | |
65 } | |
66 | |
67 size_t end = path.size() - 1; | |
68 | |
69 // Paths pointing to directories often have a trailing slash, | |
70 // we remove it so the name is not empty | |
71 if (is_path_seperator(path[end])) { | |
72 if (end == 0) { | |
73 basename->reset(); | |
74 return; | |
75 } | |
76 | |
77 end -= 1; | |
78 } | |
79 | |
80 size_t i = end; | |
81 do { | |
82 --i; | |
83 if (is_path_seperator(path[i])) { | |
84 const char* basenameStart = path.c_str() + i + 1; | |
85 size_t basenameLength = end - i; | |
86 basename->set(basenameStart, basenameLength); | |
87 return; | |
88 } | |
89 } while (i > 0); | |
90 | |
91 basename->set(path.c_str(), end + 1); | |
92 } | |
93 | |
94 bool is_percentage(const char* const string) { | 53 bool is_percentage(const char* const string) { |
95 SkString skString(string); | 54 SkString skString(string); |
96 return skString.endsWith("%"); | 55 return skString.endsWith("%"); |
97 } | 56 } |
98 | 57 |
99 void setup_bitmap(SkBitmap* bitmap, int width, int height) { | 58 void setup_bitmap(SkBitmap* bitmap, int width, int height) { |
100 bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height); | 59 bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height); |
101 bitmap->allocPixels(); | 60 bitmap->allocPixels(); |
102 bitmap->eraseColor(SK_ColorTRANSPARENT); | 61 bitmap->eraseColor(SK_ColorTRANSPARENT); |
103 } | 62 } |
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114 SkString fullPath = SkOSPath::SkPathJoin(partialPath.c_str(), baseName.c
_str()); | 73 SkString fullPath = SkOSPath::SkPathJoin(partialPath.c_str(), baseName.c
_str()); |
115 if (SkImageEncoder::EncodeFile(fullPath.c_str(), bm, SkImageEncoder::kPN
G_Type, 100)) { | 74 if (SkImageEncoder::EncodeFile(fullPath.c_str(), bm, SkImageEncoder::kPN
G_Type, 100)) { |
116 return true; | 75 return true; |
117 } else { | 76 } else { |
118 SkDebugf("Failed to write the bitmap to %s.\n", fullPath.c_str()); | 77 SkDebugf("Failed to write the bitmap to %s.\n", fullPath.c_str()); |
119 return false; | 78 return false; |
120 } | 79 } |
121 } | 80 } |
122 | 81 |
123 } // namespace sk_tools | 82 } // namespace sk_tools |
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