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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_IOS_H_
#define UI_GFX_PLATFORM_FONT_IOS_H_
#include "base/macros.h"
#include "ui/gfx/platform_font.h"
namespace gfx {
class PlatformFontIOS : public PlatformFont {
public:
PlatformFontIOS();
explicit PlatformFontIOS(NativeFont native_font);
PlatformFontIOS(const std::string& font_name,
int font_size);
// Overridden from PlatformFont:
Font DeriveFont(int size_delta, int style) const override;
int GetHeight() override;
int GetBaseline() override;
int GetCapHeight() override;
int GetExpectedTextWidth(int length) override;
int GetStyle() const override;
const std::string& GetFontName() const override;
std::string GetActualFontNameForTesting() const override;
int GetFontSize() const override;
const FontRenderParams& GetFontRenderParams() override;
NativeFont GetNativeFont() const override;
private:
PlatformFontIOS(const std::string& font_name, int font_size, int style);
~PlatformFontIOS() override {}
// Initialize the object with the specified parameters.
void InitWithNameSizeAndStyle(const std::string& font_name,
int font_size,
int style);
// Calculate and cache the font metrics.
void CalculateMetrics();
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(PlatformFontIOS);
};
} // namespace gfx
#endif // UI_GFX_PLATFORM_FONT_IOS_H_