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// Copyright 2012 The Chromium Authors
// 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 "build/blink_buildflags.h"
#include "ui/gfx/platform_font.h"
namespace gfx {
class PlatformFontIOS : public PlatformFont {
public:
PlatformFontIOS();
explicit PlatformFontIOS(CTFontRef ct_font);
PlatformFontIOS(const std::string& font_name,
int font_size);
#if BUILDFLAG(USE_BLINK)
// Constructs a PlatformFontIOS representing the font specified by |typeface|
// and the size |font_size_pixels|. Do not call this for a system-specified
// font; use the |SystemFontType| constructor for that.
PlatformFontIOS(sk_sp<SkTypeface> typeface,
int font_size_pixels,
const std::optional<FontRenderParams>& params);
#endif
PlatformFontIOS(const PlatformFontIOS&) = delete;
PlatformFontIOS& operator=(const PlatformFontIOS&) = delete;
// Overridden from PlatformFont:
Font DeriveFont(int size_delta,
int style,
Font::Weight weight) const override;
int GetHeight() override;
Font::Weight GetWeight() const override;
int GetBaseline() override;
int GetCapHeight() override;
int GetExpectedTextWidth(int length) override;
int GetStyle() const override;
const std::string& GetFontName() const override;
std::string GetActualFontName() const override;
int GetFontSize() const override;
const FontRenderParams& GetFontRenderParams() override;
CTFontRef GetCTFont() const override;
sk_sp<SkTypeface> GetNativeSkTypeface() const override;
private:
PlatformFontIOS(const std::string& font_name,
int font_size,
int style,
Font::Weight weight);
~PlatformFontIOS() override = default;
// Initialize the object with the specified parameters.
void InitWithNameSizeAndStyle(const std::string& font_name,
int font_size,
int style,
Font::Weight weight);
// Calculate and cache the font metrics.
void CalculateMetrics();
std::string font_name_;
int font_size_;
int style_;
Font::Weight weight_;
// Cached metrics, generated at construction.
int height_;
int ascent_;
int cap_height_;
int average_width_;
// Details about how the font should be rendered.
FontRenderParams render_params_;
};
} // namespace gfx
#endif // UI_GFX_PLATFORM_FONT_IOS_H_
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