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#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_WEB_FONT_DECODER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_WEB_FONT_DECODER_H_

#include "base/types/expected.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/skia/include/core/SkRefCnt.h"

class SkTypeface;

namespace blink {

class SegmentedBuffer;

// Represents a font that has been successfully decoded and sanitized.
//
// Decoding: Bytes are converted from woff/woff2 into standard SFNT format.
// Sanitizing: Cleans font data to prevent some exploits.
struct PLATFORM_EXPORT DecodedWebFont {
  // Used by Skia for rasterizing fonts.
  sk_sp<SkTypeface> sk_typeface;

  // The size of the font after decoding and sanitizing.
  size_t decoded_size = 0;

  // Decodes, decompresses, and sanitizes the raw font data from the provided
  // `buffer` (which typically contains WOFF, WOFF2, or TTF data).
  //
  // Returns:
  // - On success: A `DecodedWebFont` containing the successfully created
  //   font.
  // - On failure: A `String` containing a descriptive error message (e.g., if
  //   the buffer is empty, the decompressed size exceeds limits, or OTS
  //   validation fails).
  static base::expected<DecodedWebFont, String> Create(SegmentedBuffer*);
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_WEB_FONT_DECODER_H_