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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GFX_PLATFORM_FONT_MAC_H_
#define UI_GFX_PLATFORM_FONT_MAC_H_
#include "base/compiler_specific.h"
#include "base/mac/scoped_nsobject.h"
#include "ui/gfx/platform_font.h"
namespace gfx {
class PlatformFontMac : public PlatformFont {
public:
PlatformFontMac();
explicit PlatformFontMac(NativeFont native_font);
PlatformFontMac(const std::string& font_name,
int font_size);
// Overridden from PlatformFont:
virtual Font DeriveFont(int size_delta, int style) const OVERRIDE;
virtual int GetHeight() const OVERRIDE;
virtual int GetBaseline() const OVERRIDE;
virtual int GetCapHeight() const OVERRIDE;
virtual int GetAverageCharacterWidth() const OVERRIDE;
virtual int GetStringWidth(const base::string16& text) const OVERRIDE;
virtual int GetExpectedTextWidth(int length) const OVERRIDE;
virtual int GetStyle() const OVERRIDE;
virtual std::string GetFontName() const OVERRIDE;
virtual int GetFontSize() const OVERRIDE;
virtual NativeFont GetNativeFont() const OVERRIDE;
private:
virtual ~PlatformFontMac();
// Initialize the object, and calculate and cache the font metrics.
void InitAndCalculateMetrics();
base::scoped_nsobject<NSFont> native_font_;
std::string font_name_;
int font_size_;
int style_;
// Cached metrics, generated at construction.
int height_;
int ascent_;
int cap_height_;
int average_width_;
DISALLOW_COPY_AND_ASSIGN(PlatformFontMac);
};
} // namespace gfx
#endif // UI_GFX_PLATFORM_FONT_MAC_H_
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