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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/svg/SVGPoint.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGPoint.h')
-rw-r--r-- | dom/svg/SVGPoint.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/dom/svg/SVGPoint.h b/dom/svg/SVGPoint.h new file mode 100644 index 0000000000..2dcee49cac --- /dev/null +++ b/dom/svg/SVGPoint.h @@ -0,0 +1,81 @@ +/* -*- 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 DOM_SVG_SVGPOINT_H_ +#define DOM_SVG_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 { + using Point = mozilla::gfx::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"); + } + + 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 std::isfinite(mX) && std::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 // DOM_SVG_SVGPOINT_H_ |