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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_SVGPOINT_H__
#define MOZILLA_SVGPOINT_H__
#include "nsDebug.h"
#include "gfxPoint.h"
#include "mozilla/gfx/Point.h"
#include "mozilla/FloatingPoint.h"
namespace mozilla {
/**
* This class is currently used for point list attributes.
*
* The DOM wrapper class for this class is DOMSVGPoint.
*/
class SVGPoint
{
typedef mozilla::gfx::Point Point;
public:
SVGPoint()
: mX(0.0f)
, mY(0.0f)
{}
SVGPoint(float aX, float aY)
: mX(aX)
, mY(aY)
{
NS_ASSERTION(IsValid(), "Constructed an invalid SVGPoint");
}
SVGPoint(const SVGPoint &aOther)
: mX(aOther.mX)
, mY(aOther.mY)
{}
SVGPoint& operator=(const SVGPoint &rhs) {
mX = rhs.mX;
mY = rhs.mY;
return *this;
}
bool operator==(const SVGPoint &rhs) const {
return mX == rhs.mX && mY == rhs.mY;
}
SVGPoint& operator+=(const SVGPoint &rhs) {
mX += rhs.mX;
mY += rhs.mY;
return *this;
}
operator gfxPoint() const {
return gfxPoint(mX, mY);
}
operator Point() const {
return Point(mX, mY);
}
#ifdef DEBUG
bool IsValid() const {
return IsFinite(mX) && IsFinite(mY);
}
#endif
void SetX(float aX)
{ mX = aX; }
void SetY(float aY)
{ mY = aY; }
float GetX() const
{ return mX; }
float GetY() const
{ return mY; }
bool operator!=(const SVGPoint &rhs) const {
return mX != rhs.mX || mY != rhs.mY;
}
float mX;
float mY;
};
inline SVGPoint operator+(const SVGPoint& aP1,
const SVGPoint& aP2)
{
return SVGPoint(aP1.mX + aP2.mX, aP1.mY + aP2.mY);
}
inline SVGPoint operator-(const SVGPoint& aP1,
const SVGPoint& aP2)
{
return SVGPoint(aP1.mX - aP2.mX, aP1.mY - aP2.mY);
}
inline SVGPoint operator*(float aFactor,
const SVGPoint& aPoint)
{
return SVGPoint(aFactor * aPoint.mX, aFactor * aPoint.mY);
}
inline SVGPoint operator*(const SVGPoint& aPoint,
float aFactor)
{
return SVGPoint(aFactor * aPoint.mX, aFactor * aPoint.mY);
}
} // namespace mozilla
#endif // MOZILLA_SVGPOINT_H__
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