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1 /* | 1 /* |
2 * Copyright 2006 The Android Open Source Project | 2 * Copyright 2006 The Android Open Source Project |
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 "SkFontHost_FreeType_common.h" | 8 #include "SkFontHost_FreeType_common.h" |
9 #include "SkFontDescriptor.h" | 9 #include "SkFontDescriptor.h" |
10 #include "SkFontMgr.h" | 10 #include "SkFontMgr.h" |
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25 class SkTypeface_Custom : public SkTypeface_FreeType { | 25 class SkTypeface_Custom : public SkTypeface_FreeType { |
26 public: | 26 public: |
27 SkTypeface_Custom(const SkFontStyle& style, bool isFixedPitch, | 27 SkTypeface_Custom(const SkFontStyle& style, bool isFixedPitch, |
28 bool sysFont, const SkString familyName, int index) | 28 bool sysFont, const SkString familyName, int index) |
29 : INHERITED(style, SkTypefaceCache::NewFontID(), isFixedPitch) | 29 : INHERITED(style, SkTypefaceCache::NewFontID(), isFixedPitch) |
30 , fIsSysFont(sysFont), fFamilyName(familyName), fIndex(index) | 30 , fIsSysFont(sysFont), fFamilyName(familyName), fIndex(index) |
31 { } | 31 { } |
32 | 32 |
33 bool isSysFont() const { return fIsSysFont; } | 33 bool isSysFont() const { return fIsSysFont; } |
34 | 34 |
35 virtual const char* getUniqueString() const = 0; | |
36 | |
37 protected: | 35 protected: |
38 void onGetFamilyName(SkString* familyName) const override { | 36 void onGetFamilyName(SkString* familyName) const override { |
39 *familyName = fFamilyName; | 37 *familyName = fFamilyName; |
40 } | 38 } |
41 | 39 |
42 void onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const overri
de { | 40 void onGetFontDescriptor(SkFontDescriptor* desc, bool* isLocal) const overri
de { |
43 desc->setFamilyName(fFamilyName.c_str()); | 41 desc->setFamilyName(fFamilyName.c_str()); |
44 desc->setFontFileName(this->getUniqueString()); | |
45 desc->setFontIndex(fIndex); | 42 desc->setFontIndex(fIndex); |
46 *isLocal = !this->isSysFont(); | 43 *isLocal = !this->isSysFont(); |
47 } | 44 } |
48 | 45 |
49 int getIndex() const { return fIndex; } | 46 int getIndex() const { return fIndex; } |
50 | 47 |
51 private: | 48 private: |
52 const bool fIsSysFont; | 49 const bool fIsSysFont; |
53 const SkString fFamilyName; | 50 const SkString fFamilyName; |
54 const int fIndex; | 51 const int fIndex; |
55 | 52 |
56 typedef SkTypeface_FreeType INHERITED; | 53 typedef SkTypeface_FreeType INHERITED; |
57 }; | 54 }; |
58 | 55 |
59 /** The empty SkTypeface implementation for the custom font manager. | 56 /** The empty SkTypeface implementation for the custom font manager. |
60 * Used as the last resort fallback typeface. | 57 * Used as the last resort fallback typeface. |
61 */ | 58 */ |
62 class SkTypeface_Empty : public SkTypeface_Custom { | 59 class SkTypeface_Empty : public SkTypeface_Custom { |
63 public: | 60 public: |
64 SkTypeface_Empty() : INHERITED(SkFontStyle(), false, true, SkString(), 0) {} | 61 SkTypeface_Empty() : INHERITED(SkFontStyle(), false, true, SkString(), 0) {} |
65 | 62 |
66 const char* getUniqueString() const override { return NULL; } | |
67 | |
68 protected: | 63 protected: |
69 SkStreamAsset* onOpenStream(int*) const override { return NULL; } | 64 SkStreamAsset* onOpenStream(int*) const override { return NULL; } |
70 | 65 |
71 private: | 66 private: |
72 typedef SkTypeface_Custom INHERITED; | 67 typedef SkTypeface_Custom INHERITED; |
73 }; | 68 }; |
74 | 69 |
75 /** The stream SkTypeface implementation for the custom font manager. */ | 70 /** The stream SkTypeface implementation for the custom font manager. */ |
76 class SkTypeface_Stream : public SkTypeface_Custom { | 71 class SkTypeface_Stream : public SkTypeface_Custom { |
77 public: | 72 public: |
78 SkTypeface_Stream(const SkFontStyle& style, bool isFixedPitch, bool sysFont, | 73 SkTypeface_Stream(const SkFontStyle& style, bool isFixedPitch, bool sysFont, |
79 const SkString familyName, SkStreamAsset* stream, int inde
x) | 74 const SkString familyName, SkStreamAsset* stream, int inde
x) |
80 : INHERITED(style, isFixedPitch, sysFont, familyName, index) | 75 : INHERITED(style, isFixedPitch, sysFont, familyName, index) |
81 , fStream(stream) | 76 , fStream(stream) |
82 { } | 77 { } |
83 | 78 |
84 const char* getUniqueString() const override { return NULL; } | |
85 | |
86 protected: | 79 protected: |
87 SkStreamAsset* onOpenStream(int* ttcIndex) const override { | 80 SkStreamAsset* onOpenStream(int* ttcIndex) const override { |
88 *ttcIndex = this->getIndex(); | 81 *ttcIndex = this->getIndex(); |
89 return fStream->duplicate(); | 82 return fStream->duplicate(); |
90 } | 83 } |
91 | 84 |
92 private: | 85 private: |
93 const SkAutoTDelete<const SkStreamAsset> fStream; | 86 const SkAutoTDelete<const SkStreamAsset> fStream; |
94 | 87 |
95 typedef SkTypeface_Custom INHERITED; | 88 typedef SkTypeface_Custom INHERITED; |
96 }; | 89 }; |
97 | 90 |
98 // This configuration option is useful if we need to open and hold handles to | 91 // This configuration option is useful if we need to open and hold handles to |
99 // all found system font data (e.g., for skfiddle, where the application can't | 92 // all found system font data (e.g., for skfiddle, where the application can't |
100 // access the filesystem to read fonts on demand) | 93 // access the filesystem to read fonts on demand) |
101 | 94 |
102 SK_CONF_DECLARE(bool, c_CustomTypefaceRetain, "fonts.customFont.retainAllData",
false, | 95 SK_CONF_DECLARE(bool, c_CustomTypefaceRetain, "fonts.customFont.retainAllData",
false, |
103 "Retain the open stream for each found font on the system."); | 96 "Retain the open stream for each found font on the system."); |
104 | 97 |
105 /** The file SkTypeface implementation for the custom font manager. */ | 98 /** The file SkTypeface implementation for the custom font manager. */ |
106 class SkTypeface_File : public SkTypeface_Custom { | 99 class SkTypeface_File : public SkTypeface_Custom { |
107 public: | 100 public: |
108 SkTypeface_File(const SkFontStyle& style, bool isFixedPitch, bool sysFont, | 101 SkTypeface_File(const SkFontStyle& style, bool isFixedPitch, bool sysFont, |
109 const SkString familyName, const char path[], int index) | 102 const SkString familyName, const char path[], int index) |
110 : INHERITED(style, isFixedPitch, sysFont, familyName, index) | 103 : INHERITED(style, isFixedPitch, sysFont, familyName, index) |
111 , fPath(path) | 104 , fPath(path) |
112 , fStream(c_CustomTypefaceRetain ? SkStream::NewFromFile(fPath.c_str())
: NULL) | 105 , fStream(c_CustomTypefaceRetain ? SkStream::NewFromFile(fPath.c_str())
: NULL) |
113 { } | 106 { } |
114 | 107 |
115 const char* getUniqueString() const override { | |
116 const char* str = strrchr(fPath.c_str(), '/'); | |
117 if (str) { | |
118 str += 1; // skip the '/' | |
119 } | |
120 return str; | |
121 } | |
122 | |
123 protected: | 108 protected: |
124 SkStreamAsset* onOpenStream(int* ttcIndex) const override { | 109 SkStreamAsset* onOpenStream(int* ttcIndex) const override { |
125 *ttcIndex = this->getIndex(); | 110 *ttcIndex = this->getIndex(); |
126 if (fStream.get()) { | 111 if (fStream.get()) { |
127 return fStream->duplicate(); | 112 return fStream->duplicate(); |
128 } else { | 113 } else { |
129 return SkStream::NewFromFile(fPath.c_str()); | 114 return SkStream::NewFromFile(fPath.c_str()); |
130 } | 115 } |
131 } | 116 } |
132 | 117 |
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541 #else | 526 #else |
542 | 527 |
543 #ifndef SK_FONT_FILE_PREFIX | 528 #ifndef SK_FONT_FILE_PREFIX |
544 # define SK_FONT_FILE_PREFIX "/usr/share/fonts/" | 529 # define SK_FONT_FILE_PREFIX "/usr/share/fonts/" |
545 #endif | 530 #endif |
546 SkFontMgr* SkFontMgr::Factory() { | 531 SkFontMgr* SkFontMgr::Factory() { |
547 return new SkFontMgr_Custom(DirectorySystemFontLoader(SK_FONT_FILE_PREFIX)); | 532 return new SkFontMgr_Custom(DirectorySystemFontLoader(SK_FONT_FILE_PREFIX)); |
548 } | 533 } |
549 | 534 |
550 #endif | 535 #endif |
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