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120 lines
3.7 KiB
C++
120 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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_GFX_POINT_H_
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#define MOZILLA_GFX_POINT_H_
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#include "Types.h"
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#include "BasePoint.h"
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#include "BaseSize.h"
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namespace mozilla {
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namespace gfx {
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// This should only be used by the typedefs below.
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struct UnknownUnits {};
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template<class units>
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struct IntPointTyped :
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public BasePoint< int32_t, IntPointTyped<units> >,
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public units {
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typedef BasePoint< int32_t, IntPointTyped<units> > Super;
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IntPointTyped() : Super() {}
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IntPointTyped(int32_t aX, int32_t aY) : Super(aX, aY) {}
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// XXX When all of the code is ported, the following functions to convert to and from
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// unknown types should be removed.
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static IntPointTyped<units> FromUnknownPoint(const IntPointTyped<UnknownUnits>& aPoint) {
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return IntPointTyped<units>(aPoint.x, aPoint.y);
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}
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IntPointTyped<UnknownUnits> ToUnknownPoint() const {
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return IntPointTyped<UnknownUnits>(this->x, this->y);
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}
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};
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typedef IntPointTyped<UnknownUnits> IntPoint;
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template<class units>
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struct PointTyped :
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public BasePoint< Float, PointTyped<units> >,
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public units {
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typedef BasePoint< Float, PointTyped<units> > Super;
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PointTyped() : Super() {}
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PointTyped(Float aX, Float aY) : Super(aX, aY) {}
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PointTyped(const IntPointTyped<units>& point) : Super(float(point.x), float(point.y)) {}
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// XXX When all of the code is ported, the following functions to convert to and from
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// unknown types should be removed.
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static PointTyped<units> FromUnknownPoint(const PointTyped<UnknownUnits>& aPoint) {
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return PointTyped<units>(aPoint.x, aPoint.y);
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}
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PointTyped<UnknownUnits> ToUnknownPoint() const {
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return PointTyped<UnknownUnits>(this->x, this->y);
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}
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};
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typedef PointTyped<UnknownUnits> Point;
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template<class units>
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IntPointTyped<units> RoundedToInt(const PointTyped<units>& aPoint) {
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return IntPointTyped<units>(NS_lround(aPoint.x),
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NS_lround(aPoint.y));
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}
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template<class units>
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struct IntSizeTyped :
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public BaseSize< int32_t, IntSizeTyped<units> >,
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public units {
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typedef BaseSize< int32_t, IntSizeTyped<units> > Super;
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IntSizeTyped() : Super() {}
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IntSizeTyped(int32_t aWidth, int32_t aHeight) : Super(aWidth, aHeight) {}
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// XXX When all of the code is ported, the following functions to convert to and from
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// unknown types should be removed.
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static IntSizeTyped<units> FromUnknownSize(const IntSizeTyped<UnknownUnits>& aSize) {
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return IntSizeTyped<units>(aSize.width, aSize.height);
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}
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IntSizeTyped<UnknownUnits> ToUnknownSize() const {
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return IntSizeTyped<UnknownUnits>(this->width, this->height);
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}
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};
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typedef IntSizeTyped<UnknownUnits> IntSize;
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template<class units>
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struct SizeTyped :
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public BaseSize< Float, SizeTyped<units> >,
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public units {
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typedef BaseSize< Float, SizeTyped<units> > Super;
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SizeTyped() : Super() {}
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SizeTyped(Float aWidth, Float aHeight) : Super(aWidth, aHeight) {}
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explicit SizeTyped(const IntSizeTyped<units>& size) :
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Super(float(size.width), float(size.height)) {}
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// XXX When all of the code is ported, the following functions to convert to and from
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// unknown types should be removed.
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static SizeTyped<units> FromUnknownSize(const SizeTyped<UnknownUnits>& aSize) {
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return SizeTyped<units>(aSize.width, aSize.height);
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}
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SizeTyped<UnknownUnits> ToUnknownSize() const {
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return SizeTyped<UnknownUnits>(this->width, this->height);
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}
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};
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typedef SizeTyped<UnknownUnits> Size;
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}
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}
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#endif /* MOZILLA_GFX_POINT_H_ */
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