haiku/headers/os/interface/Point.h

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//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: Point.h
// Author: Frans van Nispen
// Description: BPoint represents a single x,y coordinate.
//------------------------------------------------------------------------------
#ifndef _POINT_H
#define _POINT_H
// Standard Includes -----------------------------------------------------------
// System Includes -------------------------------------------------------------
#include <BeBuild.h>
#include <SupportDefs.h>
// Project Includes ------------------------------------------------------------
// Local Includes --------------------------------------------------------------
// Local Defines ---------------------------------------------------------------
// Globals ---------------------------------------------------------------------
class BRect;
// BPoint class ----------------------------------------------------------------
class BPoint {
public:
float x;
float y;
BPoint();
BPoint(float X, float Y);
BPoint(const BPoint &p);
BPoint &operator=(const BPoint &p);
void Set(float X, float Y);
void ConstrainTo(BRect r);
void PrintToStream() const;
BPoint operator+(const BPoint &p) const;
BPoint operator-(const BPoint &p) const;
BPoint& operator+=(const BPoint &p);
BPoint& operator-=(const BPoint &p);
bool operator!=(const BPoint &p) const;
bool operator==(const BPoint &p) const;
};
//------------------------------------------------------------------------------
extern _IMPEXP_BE const BPoint B_ORIGIN; // returns (0,0)
//------------------------------------------------------------------------------
inline BPoint::BPoint()
{
x = y = 0;
}
//------------------------------------------------------------------------------
inline BPoint::BPoint(float X, float Y)
{
x = X;
y = Y;
}
//------------------------------------------------------------------------------
inline BPoint::BPoint(const BPoint& pt)
{
x = pt.x;
y = pt.y;
}
//------------------------------------------------------------------------------
inline BPoint &BPoint::operator=(const BPoint& from)
{
x = from.x;
y = from.y;
return *this;
}
//------------------------------------------------------------------------------
inline void BPoint::Set(float X, float Y)
{
x = X;
y = Y;
}
//------------------------------------------------------------------------------
#endif // _POINT_H
/*
* $Log $
*
* $Id $
*
*/