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/*
* Copyright (C) 2003, 2009, 2012 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 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_CORE_PAINT_CLIP_RECT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_CLIP_RECT_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/layout/geometry/physical_rect.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
class FloatClipRect;
class HitTestLocation;
class CORE_EXPORT ClipRect {
USING_FAST_MALLOC(ClipRect);
public:
ClipRect();
ClipRect(const PhysicalRect& rect)
: rect_(rect), has_radius_(false), is_infinite_(false) {}
ClipRect(const FloatClipRect& rect);
void SetRect(const PhysicalRect& rect);
const PhysicalRect& Rect() const { return rect_; }
void SetRect(const FloatClipRect& rect);
// HasRadius is true if the clip this ClipRect has rounded corners.
// The ClipRect does not actually represent the rounded corners; those
// are computed as neeeded from the LayoutObject when actually applying the
// clip.
bool HasRadius() const { return has_radius_; }
void SetHasRadius(bool has_radius) {
if (IsInfinite())
return;
has_radius_ = has_radius;
}
bool IsInfinite() const { return is_infinite_; }
bool operator==(const ClipRect& other) const {
return Rect() == other.Rect() && HasRadius() == other.HasRadius();
}
bool operator!=(const ClipRect& other) const {
return Rect() != other.Rect() || HasRadius() != other.HasRadius();
}
bool operator!=(const PhysicalRect& other_rect) const {
return Rect() != other_rect;
}
void Intersect(const PhysicalRect& other);
void Intersect(const ClipRect& other);
void Move(const PhysicalOffset& offset) { rect_.offset += offset; }
bool IsEmpty() const { return rect_.IsEmpty(); }
bool Intersects(const HitTestLocation&) const;
void Reset();
String ToString() const;
private:
void SetRectInternal(const FloatClipRect&);
PhysicalRect rect_;
bool has_radius_ : 1;
bool is_infinite_ : 1;
};
inline ClipRect Intersection(const ClipRect& a, const ClipRect& b) {
ClipRect c = a;
c.Intersect(b);
return c;
}
CORE_EXPORT std::ostream& operator<<(std::ostream&, const ClipRect&);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_CLIP_RECT_H_
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