113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/*
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* Copyright (C) 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "LayoutRect.h"
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namespace WTF {
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class TextStream;
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}
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namespace WebCore {
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class HitTestLocation;
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class ClipRect {
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public:
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ClipRect() = default;
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ClipRect(const LayoutRect& rect)
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: m_rect(rect)
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{
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}
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const LayoutRect& rect() const { return m_rect; }
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void reset() { m_rect = LayoutRect::infiniteRect(); }
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bool affectedByRadius() const { return m_affectedByRadius; }
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void setAffectedByRadius(bool affectedByRadius) { m_affectedByRadius = affectedByRadius; }
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bool operator==(const ClipRect& other) const { return rect() == other.rect() && affectedByRadius() == other.affectedByRadius(); }
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bool operator!=(const ClipRect& other) const { return rect() != other.rect() || affectedByRadius() != other.affectedByRadius(); }
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bool operator!=(const LayoutRect& otherRect) const { return rect() != otherRect; }
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void intersect(const LayoutRect& other);
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void intersect(const ClipRect& other);
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void move(LayoutUnit x, LayoutUnit y) { m_rect.move(x, y); }
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void move(const LayoutSize& size) { m_rect.move(size); }
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void moveBy(const LayoutPoint& point) { m_rect.moveBy(point); }
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bool intersects(const LayoutRect&) const;
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bool intersects(const HitTestLocation&) const;
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bool isEmpty() const { return m_rect.isEmpty(); }
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bool isInfinite() const { return m_rect.isInfinite(); }
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void inflateX(LayoutUnit dx) { m_rect.inflateX(dx); }
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void inflateY(LayoutUnit dy) { m_rect.inflateY(dy); }
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void inflate(LayoutUnit d) { inflateX(d); inflateY(d); }
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private:
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LayoutRect m_rect;
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bool m_affectedByRadius = false;
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};
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inline void ClipRect::intersect(const LayoutRect& other)
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{
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if (other.isInfinite())
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return;
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if (isInfinite())
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m_rect = other;
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else
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m_rect.intersect(other);
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}
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inline void ClipRect::intersect(const ClipRect& other)
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{
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intersect(other.rect());
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if (other.affectedByRadius())
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m_affectedByRadius = true;
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}
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inline bool ClipRect::intersects(const LayoutRect& rect) const
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{
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if (isInfinite() || rect.isInfinite())
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return true;
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return m_rect.intersects(rect);
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}
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inline ClipRect intersection(const ClipRect& a, const ClipRect& b)
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{
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ClipRect c = a;
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c.intersect(b);
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return c;
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}
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WTF::TextStream& operator<<(WTF::TextStream&, const ClipRect&);
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} // namespace WebCore
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