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116 lines
3.4 KiB
C++
116 lines
3.4 KiB
C++
/*
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* Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, 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 COMPUTER, 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 IntSize_h
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#define IntSize_h
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#include <wtf/Platform.h>
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#include <qglobal.h>
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QT_BEGIN_NAMESPACE
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class QSize;
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QT_END_NAMESPACE
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namespace WebCore {
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class IntSize {
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public:
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IntSize() : m_width(0), m_height(0) { }
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IntSize(int width, int height) : m_width(width), m_height(height) { }
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int width() const { return m_width; }
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int height() const { return m_height; }
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void setWidth(int width) { m_width = width; }
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void setHeight(int height) { m_height = height; }
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bool isEmpty() const { return m_width <= 0 || m_height <= 0; }
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IntSize expandedTo(const IntSize& other) const
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{
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return IntSize(m_width > other.m_width ? m_width : other.m_width,
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m_height > other.m_height ? m_height : other.m_height);
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}
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IntSize shrunkTo(const IntSize& other) const
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{
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return IntSize(m_width < other.m_width ? m_width : other.m_width,
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m_height < other.m_height ? m_height : other.m_height);
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}
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void clampNegativeToZero()
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{
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*this = expandedTo(IntSize());
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}
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IntSize(const QSize&);
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operator QSize() const;
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private:
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int m_width, m_height;
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};
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inline IntSize& operator+=(IntSize& a, const IntSize& b)
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{
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a.setWidth(a.width() + b.width());
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a.setHeight(a.height() + b.height());
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return a;
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}
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inline IntSize& operator-=(IntSize& a, const IntSize& b)
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{
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a.setWidth(a.width() - b.width());
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a.setHeight(a.height() - b.height());
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return a;
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}
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inline IntSize operator+(const IntSize& a, const IntSize& b)
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{
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return IntSize(a.width() + b.width(), a.height() + b.height());
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}
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inline IntSize operator-(const IntSize& a, const IntSize& b)
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{
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return IntSize(a.width() - b.width(), a.height() - b.height());
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}
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inline IntSize operator-(const IntSize& size)
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{
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return IntSize(-size.width(), -size.height());
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}
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inline bool operator==(const IntSize& a, const IntSize& b)
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{
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return a.width() == b.width() && a.height() == b.height();
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}
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inline bool operator!=(const IntSize& a, const IntSize& b)
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{
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return a.width() != b.width() || a.height() != b.height();
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}
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} // namespace WebCore
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#endif // IntSize_h
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