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https://gitlab.winehq.org/wine/wine-gecko.git
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119 lines
2.4 KiB
C++
119 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_SVGPOINT_H__
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#define MOZILLA_SVGPOINT_H__
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#include "nsDebug.h"
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#include "gfxPoint.h"
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#include "mozilla/gfx/Point.h"
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#include "mozilla/FloatingPoint.h"
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namespace mozilla {
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/**
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* This class is currently used for point list attributes.
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*
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* The DOM wrapper class for this class is DOMSVGPoint.
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*/
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class SVGPoint
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{
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typedef mozilla::gfx::Point Point;
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public:
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SVGPoint()
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: mX(0.0f)
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, mY(0.0f)
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{}
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SVGPoint(float aX, float aY)
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: mX(aX)
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, mY(aY)
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{
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NS_ASSERTION(IsValid(), "Constructed an invalid SVGPoint");
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}
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SVGPoint(const SVGPoint &aOther)
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: mX(aOther.mX)
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, mY(aOther.mY)
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{}
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SVGPoint& operator=(const SVGPoint &rhs) {
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mX = rhs.mX;
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mY = rhs.mY;
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return *this;
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}
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bool operator==(const SVGPoint &rhs) const {
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return mX == rhs.mX && mY == rhs.mY;
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}
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SVGPoint& operator+=(const SVGPoint &rhs) {
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mX += rhs.mX;
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mY += rhs.mY;
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return *this;
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}
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operator gfxPoint() const {
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return gfxPoint(mX, mY);
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}
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operator Point() const {
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return Point(mX, mY);
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}
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#ifdef DEBUG
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bool IsValid() const {
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return IsFinite(mX) && IsFinite(mY);
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}
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#endif
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void SetX(float aX)
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{ mX = aX; }
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void SetY(float aY)
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{ mY = aY; }
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float GetX() const
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{ return mX; }
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float GetY() const
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{ return mY; }
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bool operator!=(const SVGPoint &rhs) const {
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return mX != rhs.mX || mY != rhs.mY;
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}
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float mX;
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float mY;
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};
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inline SVGPoint operator+(const SVGPoint& aP1,
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const SVGPoint& aP2)
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{
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return SVGPoint(aP1.mX + aP2.mX, aP1.mY + aP2.mY);
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}
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inline SVGPoint operator-(const SVGPoint& aP1,
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const SVGPoint& aP2)
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{
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return SVGPoint(aP1.mX - aP2.mX, aP1.mY - aP2.mY);
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}
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inline SVGPoint operator*(float aFactor,
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const SVGPoint& aPoint)
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{
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return SVGPoint(aFactor * aPoint.mX, aFactor * aPoint.mY);
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}
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inline SVGPoint operator*(const SVGPoint& aPoint,
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float aFactor)
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{
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return SVGPoint(aFactor * aPoint.mX, aFactor * aPoint.mY);
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}
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} // namespace mozilla
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#endif // MOZILLA_SVGPOINT_H__
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