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_MAC_H_ 6 #define UI_GFX_PLATFORM_FONT_MAC_H_ 7 8 #include "base/compiler_specific.h" 9 #include "ui/gfx/platform_font.h" 10 11 namespace gfx { 12 13 class PlatformFontMac : public PlatformFont { 14 public: 15 PlatformFontMac(); 16 explicit PlatformFontMac(NativeFont native_font); 17 PlatformFontMac(const std::string& font_name, 18 int font_size); 19 20 // Overridden from PlatformFont: 21 virtual Font DeriveFont(int size_delta, int style) const OVERRIDE; 22 virtual int GetHeight() const OVERRIDE; 23 virtual int GetBaseline() const OVERRIDE; 24 virtual int GetAverageCharacterWidth() const OVERRIDE; 25 virtual int GetStringWidth(const base::string16& text) const OVERRIDE; 26 virtual int GetExpectedTextWidth(int length) const OVERRIDE; 27 virtual int GetStyle() const OVERRIDE; 28 virtual std::string GetFontName() const OVERRIDE; 29 virtual int GetFontSize() const OVERRIDE; 30 virtual NativeFont GetNativeFont() const OVERRIDE; 31 32 private: 33 PlatformFontMac(const std::string& font_name, int font_size, int style); 34 virtual ~PlatformFontMac() {} 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 average_width_; 52 53 DISALLOW_COPY_AND_ASSIGN(PlatformFontMac); 54 }; 55 56 } // namespace gfx 57 58 #endif // UI_GFX_PLATFORM_FONT_MAC_H_ 59
