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Side by Side Diff: src/ports/SkFontConfigParser_android.h

Issue 473543004: Revert of Remove SkPaintOptionsAndroid (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 4 months ago
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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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