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/*
* Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 IntPoint_h
#define IntPoint_h
#include "IntSize.h"
#include <wtf/Platform.h>
#if PLATFORM(CG)
typedef struct CGPoint CGPoint;
#endif
#if PLATFORM(MAC)
#ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
typedef struct CGPoint NSPoint;
#else
typedef struct _NSPoint NSPoint;
#endif
#endif
#if PLATFORM(WIN)
typedef struct tagPOINT POINT;
typedef struct tagPOINTS POINTS;
#elif PLATFORM(QT)
QT_BEGIN_NAMESPACE
class QPoint;
QT_END_NAMESPACE
#elif PLATFORM(GTK)
typedef struct _GdkPoint GdkPoint;
#endif
#if PLATFORM(SYMBIAN)
class TPoint;
#endif
#if PLATFORM(WX)
class wxPoint;
#endif
#if PLATFORM(SKIA_SGL)
struct SkPoint;
struct SkIPoint;
#endif
namespace WebCore {
class IntPoint {
public:
IntPoint() : m_x(0), m_y(0) { }
IntPoint(int x, int y) : m_x(x), m_y(y) { }
int x() const { return m_x; }
int y() const { return m_y; }
void setX(int x) { m_x = x; }
void setY(int y) { m_y = y; }
void move(int dx, int dy) { m_x += dx; m_y += dy; }
IntPoint expandedTo(const IntPoint& other) const
{
return IntPoint(m_x > other.m_x ? m_x : other.m_x,
m_y > other.m_y ? m_y : other.m_y);
}
IntPoint shrunkTo(const IntPoint& other) const
{
return IntPoint(m_x < other.m_x ? m_x : other.m_x,
m_y < other.m_y ? m_y : other.m_y);
}
void clampNegativeToZero()
{
*this = expandedTo(IntPoint());
}
#if PLATFORM(CG)
explicit IntPoint(const CGPoint&); // don't do this implicitly since it's lossy
operator CGPoint() const;
#endif
#if PLATFORM(MAC) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
explicit IntPoint(const NSPoint&); // don't do this implicitly since it's lossy
operator NSPoint() const;
#endif
#if PLATFORM(WIN)
IntPoint(const POINT&);
operator POINT() const;
IntPoint(const POINTS&);
operator POINTS() const;
#elif PLATFORM(QT)
IntPoint(const QPoint&);
operator QPoint() const;
#elif PLATFORM(GTK)
IntPoint(const GdkPoint&);
operator GdkPoint() const;
#endif
#if PLATFORM(SYMBIAN)
IntPoint(const TPoint&);
operator TPoint() const;
#endif
#if PLATFORM(WX)
IntPoint(const wxPoint&);
operator wxPoint() const;
#endif
#if PLATFORM(SKIA_SGL)
IntPoint(const SkIPoint&);
operator SkIPoint() const;
operator SkPoint() const;
#endif
private:
int m_x, m_y;
};
inline IntPoint& operator+=(IntPoint& a, const IntSize& b)
{
a.move(b.width(), b.height());
return a;
}
inline IntPoint& operator-=(IntPoint& a, const IntSize& b)
{
a.move(-b.width(), -b.height());
return a;
}
inline IntPoint operator+(const IntPoint& a, const IntSize& b)
{
return IntPoint(a.x() + b.width(), a.y() + b.height());
}
inline IntSize operator-(const IntPoint& a, const IntPoint& b)
{
return IntSize(a.x() - b.x(), a.y() - b.y());
}
inline IntPoint operator-(const IntPoint& a, const IntSize& b)
{
return IntPoint(a.x() - b.width(), a.y() - b.height());
}
inline bool operator==(const IntPoint& a, const IntPoint& b)
{
return a.x() == b.x() && a.y() == b.y();
}
inline bool operator!=(const IntPoint& a, const IntPoint& b)
{
return a.x() != b.x() || a.y() != b.y();
}
} // namespace WebCore
#endif // IntPoint_h
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