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/*
* Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_SEGMENTED_FONT_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_SEGMENTED_FONT_DATA_H_
#include "third_party/blink/renderer/platform/fonts/font_data.h"
#include "third_party/blink/renderer/platform/fonts/font_data_for_range_set.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class SimpleFontData;
class PLATFORM_EXPORT SegmentedFontData : public FontData {
public:
SegmentedFontData() = default;
void Trace(Visitor* visitor) const override {
visitor->Trace(faces_);
FontData::Trace(visitor);
}
void AppendFace(FontDataForRangeSet* font_data_for_range_set) {
faces_.push_back(std::move(font_data_for_range_set));
}
unsigned NumFaces() const { return faces_.size(); }
FontDataForRangeSet* FaceAt(unsigned i) const { return faces_[i].Get(); }
bool ContainsCharacter(UChar32) const;
private:
const SimpleFontData* FontDataForCharacter(UChar32) const override;
bool IsCustomFont() const override;
bool IsLoading() const override;
bool IsLoadingFallback() const override;
bool IsSegmented() const override;
bool ShouldSkipDrawing() const override;
HeapVector<Member<FontDataForRangeSet>, 1> faces_;
};
template <>
struct DowncastTraits<SegmentedFontData> {
static bool AllowFrom(const FontData& fontData) {
return fontData.IsSegmented();
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_SEGMENTED_FONT_DATA_H_
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