chromium/third_party/blink/renderer/platform/fonts/fallback_list_composite_key.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_FALLBACK_LIST_COMPOSITE_KEY_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_FALLBACK_LIST_COMPOSITE_KEY_H_

#include "third_party/blink/renderer/platform/fonts/alternate_font_family.h"
#include "third_party/blink/renderer/platform/fonts/font_cache_key.h"
#include "third_party/blink/renderer/platform/fonts/font_description.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/hash_table_deleted_value_type.h"

namespace blink {

class FontDescription;

// Cache key representing a font description and font fallback list combination
// as passed into shaping. Used to look up an applicable ShapeCache instance
// from the global FontCache.
// TODO(eae,drott): Ideally this should be replaced by a combination of
// FontDescription and CSSFontSelector.
struct FallbackListCompositeKey { … };

struct FallbackListCompositeKeyTraits
    : WTF::SimpleClassHashTraits<FallbackListCompositeKey> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_FALLBACK_LIST_COMPOSITE_KEY_H_