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 * met:
 *
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_FONT_PLATFORM_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_FONT_PLATFORM_DATA_H_

#include "build/build_config.h"
#include "third_party/blink/public/platform/web_font_render_style.h"
#include "third_party/blink/renderer/platform/fonts/font_description.h"
#include "third_party/blink/renderer/platform/fonts/font_orientation.h"
#include "third_party/blink/renderer/platform/fonts/resolved_font_features.h"
#include "third_party/blink/renderer/platform/fonts/small_caps_iterator.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/member.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/hash_table_deleted_value_type.h"
#include "third_party/blink/renderer/platform/wtf/text/string_impl.h"
#include "third_party/blink/renderer/platform/wtf/threading.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/skia/include/core/SkFont.h"
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/core/SkTypeface.h"

#if BUILDFLAG(IS_MAC)
typedef const struct __CTFont* CTFontRef;
#endif  // BUILDFLAG(IS_MAC)

namespace blink {

class HarfBuzzFace;

class PLATFORM_EXPORT FontPlatformData
    : public GarbageCollected<FontPlatformData> {
 public:
  // Used for deleted values in the font cache's hash tables. The hash table
  // will create us with this structure, and it will compare other values
  // to this "Deleted" one. It expects the Deleted one to be differentiable
  // from the 0 one (created with the empty constructor), so we can't just
  // set everything to 0.
  FontPlatformData(HashTableDeletedValueType);
  FontPlatformData();
  FontPlatformData(const FontPlatformData&);
  FontPlatformData(const FontPlatformData& src, float text_size);
  FontPlatformData(const sk_sp<SkTypeface>,
                   const std::string& name,
                   float text_size,
                   bool synthetic_bold,
                   bool synthetic_italic,
                   TextRenderingMode text_rendering,
                   ResolvedFontFeatures resolved_font_features,
                   FontOrientation = FontOrientation::kHorizontal);
  ~FontPlatformData();

  void Trace(Visitor*) const;

#if BUILDFLAG(IS_MAC)
  // Returns nullptr for FreeType backed SkTypefaces, compare
  // FontCustomPlatformData, which are used for variable fonts on Mac OS
  // <10.12. It should not return nullptr otherwise. So it allows distinguishing
  // which backend the SkTypeface is using.
  CTFontRef CtFont() const;
#endif

  String FontFamilyName() const;
  float size() const { return text_size_; }
  bool SyntheticBold() const { return synthetic_bold_; }
  bool SyntheticItalic() const { return synthetic_italic_; }

  SkTypeface* Typeface() const;
  sk_sp<SkTypeface> TypefaceSp() const { return typeface_; }
  HarfBuzzFace* GetHarfBuzzFace() const;
  bool HasSpaceInLigaturesOrKerning(TypesettingFeatures) const;
  SkTypefaceID UniqueID() const;
  unsigned GetHash() const;

  FontOrientation Orientation() const { return orientation_; }
  const ResolvedFontFeatures& ResolvedFeatures() const {
    return resolved_font_features_;
  }
  bool IsVerticalAnyUpright() const {
    return blink::IsVerticalAnyUpright(orientation_);
  }
  bool IsVerticalNonCJKUpright() const {
    return blink::IsVerticalNonCJKUpright(orientation_);
  }
  void SetOrientation(FontOrientation orientation) {
    orientation_ = orientation;
  }
  void SetSyntheticBold(bool synthetic_bold) {
    synthetic_bold_ = synthetic_bold;
  }
  void SetSyntheticItalic(bool synthetic_italic) {
    synthetic_italic_ = synthetic_italic;
  }
  void SetAvoidEmbeddedBitmaps(bool embedded_bitmaps) {
    avoid_embedded_bitmaps_ = embedded_bitmaps;
  }
  bool operator==(const FontPlatformData&) const;
  FontPlatformData& operator=(const FontPlatformData&) = delete;

  bool IsHashTableDeletedValue() const { return is_hash_table_deleted_value_; }
#if !BUILDFLAG(IS_MAC)
  bool FontContainsCharacter(UChar32 character) const;
#endif

#if !BUILDFLAG(IS_WIN) && !BUILDFLAG(IS_MAC)
  const WebFontRenderStyle& GetFontRenderStyle() const { return style_; }
#endif

  SkFont CreateSkFont(const FontDescription* = nullptr) const;

  // Gets the postscript name from the typeface.
  String GetPostScriptName() const;

 private:
#if !BUILDFLAG(IS_WIN) && !BUILDFLAG(IS_MAC)
  WebFontRenderStyle QuerySystemRenderStyle(const std::string& family,
                                            float text_size,
                                            SkFontStyle,
                                            TextRenderingMode text_rendering);
#endif
#if BUILDFLAG(IS_WIN)
  // TODO(https://crbug.com/808221): Remove and use QuerySystemRenderStyle()
  // instead.
  WebFontRenderStyle QuerySystemForRenderStyle();
#endif

  const sk_sp<SkTypeface> typeface_;
#if !BUILDFLAG(IS_WIN) && !BUILDFLAG(IS_MAC)
  std::string family_;
#endif

 public:
  float text_size_ = 0;
  bool synthetic_bold_ = false;
  bool synthetic_italic_ = false;
  bool avoid_embedded_bitmaps_ = false;
  TextRenderingMode text_rendering_ = TextRenderingMode::kAutoTextRendering;
  FontOrientation orientation_ = FontOrientation::kHorizontal;
  ResolvedFontFeatures resolved_font_features_;

 private:
#if !BUILDFLAG(IS_MAC)
  WebFontRenderStyle style_;
#endif

  mutable Member<HarfBuzzFace> harfbuzz_face_;
  bool is_hash_table_deleted_value_ = false;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_FONT_PLATFORM_DATA_H_