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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef UI_GFX_PLATFORM_FONT_PANGO_H_ | 5 #ifndef UI_GFX_PLATFORM_FONT_PANGO_H_ |
6 #define UI_GFX_PLATFORM_FONT_PANGO_H_ | 6 #define UI_GFX_PLATFORM_FONT_PANGO_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
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48 // Overridden from PlatformFont: | 48 // Overridden from PlatformFont: |
49 virtual Font DeriveFont(int size_delta, int style) const OVERRIDE; | 49 virtual Font DeriveFont(int size_delta, int style) const OVERRIDE; |
50 virtual int GetHeight() const OVERRIDE; | 50 virtual int GetHeight() const OVERRIDE; |
51 virtual int GetBaseline() const OVERRIDE; | 51 virtual int GetBaseline() const OVERRIDE; |
52 virtual int GetCapHeight() const OVERRIDE; | 52 virtual int GetCapHeight() const OVERRIDE; |
53 virtual int GetAverageCharacterWidth() const OVERRIDE; | 53 virtual int GetAverageCharacterWidth() const OVERRIDE; |
54 virtual int GetStringWidth(const base::string16& text) const OVERRIDE; | 54 virtual int GetStringWidth(const base::string16& text) const OVERRIDE; |
55 virtual int GetExpectedTextWidth(int length) const OVERRIDE; | 55 virtual int GetExpectedTextWidth(int length) const OVERRIDE; |
56 virtual int GetStyle() const OVERRIDE; | 56 virtual int GetStyle() const OVERRIDE; |
57 virtual std::string GetFontName() const OVERRIDE; | 57 virtual std::string GetFontName() const OVERRIDE; |
| 58 virtual std::string GetActualFontNameForTesting() const OVERRIDE; |
58 virtual int GetFontSize() const OVERRIDE; | 59 virtual int GetFontSize() const OVERRIDE; |
59 virtual NativeFont GetNativeFont() const OVERRIDE; | 60 virtual NativeFont GetNativeFont() const OVERRIDE; |
60 | 61 |
61 private: | 62 private: |
62 // Create a new instance of this object with the specified properties. Called | 63 // Create a new instance of this object with the specified properties. Called |
63 // from DeriveFont. | 64 // from DeriveFont. |
64 PlatformFontPango(const skia::RefPtr<SkTypeface>& typeface, | 65 PlatformFontPango(const skia::RefPtr<SkTypeface>& typeface, |
65 const std::string& name, | 66 const std::string& name, |
66 int size, | 67 int size, |
67 int style); | 68 int style); |
68 virtual ~PlatformFontPango(); | 69 virtual ~PlatformFontPango(); |
69 | 70 |
70 // Returns a Pango font description (suitable for parsing by | 71 // Returns a Pango font description (suitable for parsing by |
71 // pango_font_description_from_string()) for the default UI font. | 72 // pango_font_description_from_string()) for the default UI font. |
72 static std::string GetDefaultFont(); | 73 static std::string GetDefaultFont(); |
73 | 74 |
74 // Initialize this object. | 75 // Initialize this object. |
75 void InitWithNameAndSize(const std::string& font_name, int font_size); | 76 void InitWithNameAndSize(const std::string& font_name, int font_size); |
76 void InitWithTypefaceNameSizeAndStyle( | 77 void InitWithTypefaceNameSizeAndStyle( |
77 const skia::RefPtr<SkTypeface>& typeface, | 78 const skia::RefPtr<SkTypeface>& typeface, |
78 const std::string& name, | 79 const std::string& font_family, |
79 int size, | 80 int font_size, |
80 int style); | 81 int style); |
81 void InitFromPlatformFont(const PlatformFontPango* other); | 82 void InitFromPlatformFont(const PlatformFontPango* other); |
82 | 83 |
83 // Potentially slow call to get pango metrics (average width, underline info). | 84 // Potentially slow call to get pango metrics (average width, underline info). |
84 void InitPangoMetrics(); | 85 void InitPangoMetrics(); |
85 | 86 |
86 // Setup a Skia context to use the current typeface. | 87 // Setup a Skia context to use the current typeface. |
87 void PaintSetup(SkPaint* paint) const; | 88 void PaintSetup(SkPaint* paint) const; |
88 | 89 |
89 // Make |this| a copy of |other|. | 90 // Make |this| a copy of |other|. |
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117 #if defined(OS_CHROMEOS) | 118 #if defined(OS_CHROMEOS) |
118 static std::string* default_font_description_; | 119 static std::string* default_font_description_; |
119 #endif | 120 #endif |
120 | 121 |
121 DISALLOW_COPY_AND_ASSIGN(PlatformFontPango); | 122 DISALLOW_COPY_AND_ASSIGN(PlatformFontPango); |
122 }; | 123 }; |
123 | 124 |
124 } // namespace gfx | 125 } // namespace gfx |
125 | 126 |
126 #endif // UI_GFX_PLATFORM_FONT_PANGO_H_ | 127 #endif // UI_GFX_PLATFORM_FONT_PANGO_H_ |
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