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.
5 #ifndef UI_GFX_PLATFORM_FONT_MAC_H_
6 #define UI_GFX_PLATFORM_FONT_MAC_H_
8 #include "base/compiler_specific.h"
9 #include "base/mac/scoped_nsobject.h"
10 #include "ui/gfx/platform_font.h"
14 class PlatformFontMac : public PlatformFont {
17 explicit PlatformFontMac(NativeFont native_font);
18 PlatformFontMac(const std::string& font_name,
21 // Overridden from PlatformFont:
22 virtual Font DeriveFont(int size_delta, int style) const OVERRIDE;
23 virtual int GetHeight() const OVERRIDE;
24 virtual int GetBaseline() const OVERRIDE;
25 virtual int GetCapHeight() const OVERRIDE;
26 virtual int GetAverageCharacterWidth() const OVERRIDE;
27 virtual int GetStringWidth(const base::string16& text) const OVERRIDE;
28 virtual int GetExpectedTextWidth(int length) const OVERRIDE;
29 virtual int GetStyle() const OVERRIDE;
30 virtual std::string GetFontName() const OVERRIDE;
31 virtual std::string GetActualFontNameForTesting() const OVERRIDE;
32 virtual int GetFontSize() const OVERRIDE;
33 virtual NativeFont GetNativeFont() const OVERRIDE;
36 PlatformFontMac(const std::string& font_name, int font_size, int font_style);
37 virtual ~PlatformFontMac();
39 // Calculates and caches the font metrics.
40 void CalculateMetrics();
42 // The NSFont instance for this object. If this object was constructed from an
43 // NSFont instance, this holds that NSFont instance. Otherwise this NSFont
44 // instance is constructed from the name, size, and style, and if there is no
45 // active font that matched those criteria, this object may be nil.
46 base::scoped_nsobject<NSFont> native_font_;
48 // The name/size/style trio that specify the font. Initialized in the
50 std::string font_name_; // Corresponds to -[NSFont fontFamily].
54 // Cached metrics, generated in CalculateMetrics().
60 DISALLOW_COPY_AND_ASSIGN(PlatformFontMac);
65 #endif // UI_GFX_PLATFORM_FONT_MAC_H_