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// Copyright 2016 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_CORE_STYLE_STYLE_PATH_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_PATH_H_
#include <optional>
#include "third_party/blink/renderer/core/style/basic_shapes.h"
#include "third_party/blink/renderer/core/svg/svg_path_byte_stream.h"
#include "third_party/blink/renderer/platform/geometry/path.h"
#include "third_party/blink/renderer/platform/wtf/casting.h"
namespace blink {
class CSSValue;
class StylePath final : public BasicShape {
public:
explicit StylePath(SVGPathByteStream byte_stream,
WindRule wind_rule = RULE_NONZERO)
: byte_stream_(std::move(byte_stream)),
path_length_(std::numeric_limits<float>::quiet_NaN()),
wind_rule_(wind_rule) {}
static const StylePath* EmptyPath();
const Path& GetPath() const;
float length() const;
bool IsClosed() const;
const SVGPathByteStream& ByteStream() const { return byte_stream_; }
CSSValue* ComputedCSSValue() const;
Path GetPath(const gfx::RectF&, float zoom, float path_scale) const override;
WindRule GetWindRule() const { return wind_rule_; }
ShapeType GetType() const override { return kStylePathType; }
protected:
bool IsEqualAssumingSameType(const BasicShape&) const override;
private:
SVGPathByteStream byte_stream_;
mutable std::optional<Path> path_;
mutable float path_length_;
WindRule wind_rule_;
};
template <>
struct DowncastTraits<StylePath> {
static bool AllowFrom(const BasicShape& value) {
return value.GetType() == BasicShape::kStylePathType;
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_STYLE_PATH_H_
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