chromium/third_party/blink/renderer/platform/fonts/mac/font_platform_data_mac.h

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#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_MAC_FONT_PLATFORM_DATA_MAC_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_MAC_FONT_PLATFORM_DATA_MAC_H_

#include "third_party/blink/renderer/platform/fonts/font_optical_sizing.h"
#include "third_party/blink/renderer/platform/fonts/resolved_font_features.h"
#include "third_party/blink/renderer/platform/fonts/text_rendering_mode.h"
#include "third_party/blink/renderer/platform/platform_export.h"

@class NSFont;
class SkTypeface;
typedef uint32_t SkFourByteTag;

namespace blink {

enum class FontOrientation;
class FontPlatformData;
class FontVariationSettings;

// Given a typeface and a variable axis, returns whether a new value for that
// axis isn't clamped and therefore will effect a change to the typeface if
// applied.
bool PLATFORM_EXPORT VariableAxisChangeEffective(SkTypeface* typeface,
                                                 SkFourByteTag axis,
                                                 float new_value);

// Creates a FontPlatform object for specified original CTFont and font
// parameters. `size` is scaled size, `specified_size` is passed in to control
// optical sizing and tracking, needed in particular for the San Francisco
// system font.
const FontPlatformData* FontPlatformDataFromCTFont(
    CTFontRef,
    float size,
    float specified_size,
    bool synthetic_bold,
    bool synthetic_italic,
    TextRenderingMode text_rendering,
    ResolvedFontFeatures resolved_font_features,
    FontOrientation,
    OpticalSizing,
    const FontVariationSettings*);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_MAC_FONT_PLATFORM_DATA_MAC_H_