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/*
* Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE
* COPYRIGHT HOLDER 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 ExclusionRectangle_h
#define ExclusionRectangle_h
#include "ExclusionShape.h"
#include "FloatPoint.h"
#include "FloatSize.h"
#include <wtf/Assertions.h>
#include <wtf/Vector.h>
namespace WebCore {
class ExclusionRectangle : public ExclusionShape {
public:
ExclusionRectangle(const FloatRect& bounds, const FloatSize& radii)
: ExclusionShape()
, m_x(bounds.x())
, m_y(bounds.y())
, m_width(bounds.width())
, m_height(bounds.height())
, m_rx(radii.width())
, m_ry(radii.height())
{
}
virtual FloatRect shapeLogicalBoundingBox() const OVERRIDE { return FloatRect(m_x, m_y, m_width, m_height); }
virtual bool isEmpty() const OVERRIDE { return m_width <= 0 || m_height <= 0; }
virtual void getExcludedIntervals(float logicalTop, float logicalHeight, SegmentList&) const OVERRIDE;
virtual void getIncludedIntervals(float logicalTop, float logicalHeight, SegmentList&) const OVERRIDE;
virtual bool firstIncludedIntervalLogicalTop(float minLogicalIntervalTop, const FloatSize& minLogicalIntervalSize, float&) const OVERRIDE;
private:
FloatPoint cornerInterceptForWidth(float width) const;
float m_x;
float m_y;
float m_width;
float m_height;
float m_rx; // corner X radius
float m_ry; // corner Y radius
};
} // namespace WebCore
#endif // ExclusionRectangle_h