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_ 60
