author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:54:55 +0300 | |
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permissions | -rw-r--r-- |
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/* |
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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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#if PLATFORM(CG) |
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typedef struct CGSize CGSize; |
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#endif |
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#if PLATFORM(MAC) |
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#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES |
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typedef struct CGSize NSSize; |
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#else |
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typedef struct _NSSize NSSize; |
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#endif |
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#endif |
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#if PLATFORM(WIN) |
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typedef struct tagSIZE SIZE; |
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#elif PLATFORM(QT) |
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class QSize; |
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#endif |
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#if PLATFORM(SYMBIAN) |
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class TSize; |
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#endif |
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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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#if PLATFORM(CG) |
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explicit IntSize(const CGSize&); // don't do this implicitly since it's lossy |
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operator CGSize() const; |
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#endif |
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#if PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES) |
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explicit IntSize(const NSSize &); // don't do this implicitly since it's lossy |
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operator NSSize() const; |
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#endif |
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#if PLATFORM(WIN) |
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IntSize(const SIZE&); |
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operator SIZE() const; |
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#endif |
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#if PLATFORM(QT) |
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IntSize(const QSize&); |
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operator QSize() const; |
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#endif |
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#if PLATFORM(SYMBIAN) |
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IntSize(const TSize&); |
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operator TSize() const; |
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#endif |
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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 |