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97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
/*
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* Copyright (C) 2003, 2009, 2012 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_RENDERING_CLIPRECTS_H_
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#define SKY_ENGINE_CORE_RENDERING_CLIPRECTS_H_
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#include "flutter/sky/engine/core/rendering/ClipRect.h"
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namespace blink {
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class ClipRects {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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static PassRefPtr<ClipRects> create() { return adoptRef(new ClipRects); }
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static PassRefPtr<ClipRects> create(const ClipRects& other) {
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return adoptRef(new ClipRects(other));
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}
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ClipRects() : m_refCnt(1), m_fixed(0) {}
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void reset(const LayoutRect& r) {
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m_overflowClipRect = r;
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m_posClipRect = r;
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m_fixed = 0;
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}
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const ClipRect& overflowClipRect() const { return m_overflowClipRect; }
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void setOverflowClipRect(const ClipRect& r) { m_overflowClipRect = r; }
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const ClipRect& posClipRect() const { return m_posClipRect; }
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void setPosClipRect(const ClipRect& r) { m_posClipRect = r; }
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bool fixed() const { return static_cast<bool>(m_fixed); }
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void setFixed(bool fixed) { m_fixed = fixed ? 1 : 0; }
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void ref() { m_refCnt++; }
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void deref() {
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if (!--m_refCnt)
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delete this;
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}
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bool operator==(const ClipRects& other) const {
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return m_overflowClipRect == other.overflowClipRect() &&
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m_posClipRect == other.posClipRect() && fixed() == other.fixed();
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}
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ClipRects& operator=(const ClipRects& other) {
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m_overflowClipRect = other.overflowClipRect();
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m_posClipRect = other.posClipRect();
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m_fixed = other.fixed();
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return *this;
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}
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private:
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ClipRects(const LayoutRect& r)
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: m_overflowClipRect(r), m_posClipRect(r), m_refCnt(1), m_fixed(0) {}
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ClipRects(const ClipRects& other)
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: m_overflowClipRect(other.overflowClipRect()),
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m_posClipRect(other.posClipRect()),
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m_refCnt(1),
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m_fixed(other.fixed()) {}
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ClipRect m_overflowClipRect;
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ClipRect m_posClipRect;
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unsigned m_refCnt : 31;
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unsigned m_fixed : 1;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_RENDERING_CLIPRECTS_H_
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