From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/svg/SVGPoint.h | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 dom/svg/SVGPoint.h (limited to 'dom/svg/SVGPoint.h') diff --git a/dom/svg/SVGPoint.h b/dom/svg/SVGPoint.h new file mode 100644 index 0000000000..2f3b74c4a9 --- /dev/null +++ b/dom/svg/SVGPoint.h @@ -0,0 +1,118 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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__ -- cgit v1.2.3