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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef UI_GFX_PLATFORM_FONT_IOS_H_ | |
6 #define UI_GFX_PLATFORM_FONT_IOS_H_ | |
7 | |
8 #include "ui/gfx/platform_font.h" | |
9 | |
10 namespace gfx { | |
11 | |
12 class PlatformFontIOS : public PlatformFont { | |
13 public: | |
14 PlatformFontIOS(); | |
15 explicit PlatformFontIOS(NativeFont native_font); | |
16 PlatformFontIOS(const std::string& font_name, | |
17 int font_size); | |
18 | |
19 // Overridden from PlatformFont: | |
20 virtual Font DeriveFont(int size_delta, int style) const override; | |
21 virtual int GetHeight() const override; | |
22 virtual int GetBaseline() const override; | |
23 virtual int GetCapHeight() const override; | |
24 virtual int GetExpectedTextWidth(int length) const override; | |
25 virtual int GetStyle() const override; | |
26 virtual std::string GetFontName() const override; | |
27 virtual std::string GetActualFontNameForTesting() const override; | |
28 virtual int GetFontSize() const override; | |
29 virtual const FontRenderParams& GetFontRenderParams() const override; | |
30 virtual NativeFont GetNativeFont() const override; | |
31 | |
32 private: | |
33 PlatformFontIOS(const std::string& font_name, int font_size, int style); | |
34 virtual ~PlatformFontIOS() {} | |
35 | |
36 // Initialize the object with the specified parameters. | |
37 void InitWithNameSizeAndStyle(const std::string& font_name, | |
38 int font_size, | |
39 int style); | |
40 | |
41 // Calculate and cache the font metrics. | |
42 void CalculateMetrics(); | |
43 | |
44 std::string font_name_; | |
45 int font_size_; | |
46 int style_; | |
47 | |
48 // Cached metrics, generated at construction. | |
49 int height_; | |
50 int ascent_; | |
51 int cap_height_; | |
52 int average_width_; | |
53 | |
54 DISALLOW_COPY_AND_ASSIGN(PlatformFontIOS); | |
55 }; | |
56 | |
57 } // namespace gfx | |
58 | |
59 #endif // UI_GFX_PLATFORM_FONT_IOS_H_ | |
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