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1 /* | 1 /* |
2 * Copyright 2011 The Android Open Source Project | 2 * Copyright 2011 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 #ifndef SKFONTCONFIGPARSER_ANDROID_H_ | 8 #ifndef SKFONTCONFIGPARSER_ANDROID_H_ |
9 #define SKFONTCONFIGPARSER_ANDROID_H_ | 9 #define SKFONTCONFIGPARSER_ANDROID_H_ |
10 | 10 |
| 11 #include "SkTypes.h" |
| 12 |
| 13 #include "SkPaintOptionsAndroid.h" |
11 #include "SkString.h" | 14 #include "SkString.h" |
12 #include "SkTDArray.h" | 15 #include "SkTDArray.h" |
13 | 16 |
14 /** \class SkLanguage | |
15 | |
16 The SkLanguage class represents a human written language, and is used by | |
17 text draw operations to determine which glyph to draw when drawing | |
18 characters with variants (ie Han-derived characters). | |
19 */ | |
20 class SkLanguage { | |
21 public: | |
22 SkLanguage() { } | |
23 SkLanguage(const SkString& tag) : fTag(tag) { } | |
24 SkLanguage(const char* tag) : fTag(tag) { } | |
25 SkLanguage(const char* tag, size_t len) : fTag(tag, len) { } | |
26 SkLanguage(const SkLanguage& b) : fTag(b.fTag) { } | |
27 | |
28 /** Gets a BCP 47 language identifier for this SkLanguage. | |
29 @return a BCP 47 language identifier representing this language | |
30 */ | |
31 const SkString& getTag() const { return fTag; } | |
32 | |
33 /** Performs BCP 47 fallback to return an SkLanguage one step more general. | |
34 @return an SkLanguage one step more general | |
35 */ | |
36 SkLanguage getParent() const; | |
37 | |
38 bool operator==(const SkLanguage& b) const { | |
39 return fTag == b.fTag; | |
40 } | |
41 bool operator!=(const SkLanguage& b) const { | |
42 return fTag != b.fTag; | |
43 } | |
44 SkLanguage& operator=(const SkLanguage& b) { | |
45 fTag = b.fTag; | |
46 return *this; | |
47 } | |
48 | |
49 private: | |
50 //! BCP 47 language identifier | |
51 SkString fTag; | |
52 }; | |
53 | |
54 enum FontVariants { | |
55 kDefault_FontVariant = 0x01, | |
56 kCompact_FontVariant = 0x02, | |
57 kElegant_FontVariant = 0x04, | |
58 kLast_FontVariant = kElegant_FontVariant, | |
59 }; | |
60 typedef uint32_t FontVariant; | |
61 | |
62 struct FontFileInfo { | 17 struct FontFileInfo { |
63 FontFileInfo() : fIndex(0), fWeight(0) { } | 18 FontFileInfo() : fIndex(0), fWeight(0) { } |
64 | 19 |
65 SkString fFileName; | 20 SkString fFileName; |
66 int fIndex; | 21 int fIndex; |
| 22 SkPaintOptionsAndroid fPaintOptions; |
67 int fWeight; | 23 int fWeight; |
68 }; | 24 }; |
69 | 25 |
70 /** | 26 /** |
71 * A font family provides one or more names for a collection of fonts, each of | 27 * A font family provides one or more names for a collection of fonts, each of |
72 * which has a different style (normal, italic) or weight (thin, light, bold, | 28 * which has a different style (normal, italic) or weight (thin, light, bold, |
73 * etc). | 29 * etc). |
74 * Some fonts may occur in compact variants for use in the user interface. | 30 * Some fonts may occur in compact variants for use in the user interface. |
75 * Android distinguishes "fallback" fonts to support non-ASCII character sets. | 31 * Android distinguishes "fallback" fonts to support non-ASCII character sets. |
76 */ | 32 */ |
77 struct FontFamily { | 33 struct FontFamily { |
78 FontFamily() | 34 FontFamily() |
79 : fVariant(kDefault_FontVariant) | 35 : fVariant(SkPaintOptionsAndroid::kDefault_Variant) |
80 , fOrder(-1) | 36 , fOrder(-1) |
81 , fIsFallbackFont(false) { } | 37 , fIsFallbackFont(false) { } |
82 | 38 |
83 SkTArray<SkString> fNames; | 39 SkTArray<SkString> fNames; |
84 SkTArray<FontFileInfo> fFonts; | 40 SkTArray<FontFileInfo> fFonts; |
85 SkLanguage fLanguage; | 41 SkLanguage fLanguage; |
86 FontVariant fVariant; | 42 SkPaintOptionsAndroid::FontVariant fVariant; |
87 int fOrder; // internal to SkFontConfigParser | 43 int fOrder; // internal to SkFontConfigParser |
88 bool fIsFallbackFont; | 44 bool fIsFallbackFont; |
89 }; | 45 }; |
90 | 46 |
91 namespace SkFontConfigParser { | 47 namespace SkFontConfigParser { |
92 | 48 |
93 /** | 49 /** |
94 * Parses all system font configuration files and returns the results in an | 50 * Parses all system font configuration files and returns the results in an |
95 * array of FontFamily structures. | 51 * array of FontFamily structures. |
96 */ | 52 */ |
97 void GetFontFamilies(SkTDArray<FontFamily*> &fontFamilies); | 53 void GetFontFamilies(SkTDArray<FontFamily*> &fontFamilies); |
98 | 54 |
99 /** | 55 /** |
100 * Parses all test font configuration files and returns the results in an | 56 * Parses all test font configuration files and returns the results in an |
101 * array of FontFamily structures. | 57 * array of FontFamily structures. |
102 */ | 58 */ |
103 void GetTestFontFamilies(SkTDArray<FontFamily*> &fontFamilies, | 59 void GetTestFontFamilies(SkTDArray<FontFamily*> &fontFamilies, |
104 const char* testMainConfigFile, | 60 const char* testMainConfigFile, |
105 const char* testFallbackConfigFile); | 61 const char* testFallbackConfigFile); |
106 | 62 |
107 } // SkFontConfigParser namespace | 63 } // SkFontConfigParser namespace |
108 | 64 |
109 #endif /* SKFONTCONFIGPARSER_ANDROID_H_ */ | 65 #endif /* SKFONTCONFIGPARSER_ANDROID_H_ */ |
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