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 /* -*- Mode: C++; tab-width: 20; 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_GFX_POINT_H_

 #define MOZILLA_GFX_POINT_H_

 #include "mozilla/Attributes.h"

 #include "Types.h"

 #include "BasePoint.h"

 #include "BasePoint3D.h"

 #include "BasePoint4D.h"

 #include "BaseSize.h"

 #include <cmath>

 namespace mozilla {

 namespace gfx {

 // This should only be used by the typedefs below.

 struct UnknownUnits {};

 template<class units>

 struct IntPointTyped :

   public BasePoint< int32_t, IntPointTyped<units> >,

   public units {

   typedef BasePoint< int32_t, IntPointTyped<units> > Super;

   MOZ_CONSTEXPR IntPointTyped() : Super() {}

   MOZ_CONSTEXPR IntPointTyped(int32_t aX, int32_t aY) : Super(aX, aY) {}

   // XXX When all of the code is ported, the following functions to convert to and from

   // unknown types should be removed.

   static IntPointTyped<units> FromUnknownPoint(const IntPointTyped<UnknownUnits>& aPoint) {

     return IntPointTyped<units>(aPoint.x, aPoint.y);

   }

   IntPointTyped<UnknownUnits> ToUnknownPoint() const {

     return IntPointTyped<UnknownUnits>(this->x, this->y);

   }

 };

 typedef IntPointTyped<UnknownUnits> IntPoint;

 template<class units>

 struct PointTyped :

   public BasePoint< Float, PointTyped<units> >,

   public units {

   typedef BasePoint< Float, PointTyped<units> > Super;

   MOZ_CONSTEXPR PointTyped() : Super() {}

   MOZ_CONSTEXPR PointTyped(Float aX, Float aY) : Super(aX, aY) {}

   MOZ_CONSTEXPR PointTyped(const IntPointTyped<units>& point) : Super(float(point.x), float(point.y)) {}

   // XXX When all of the code is ported, the following functions to convert to and from

   // unknown types should be removed.

   static PointTyped<units> FromUnknownPoint(const PointTyped<UnknownUnits>& aPoint) {

     return PointTyped<units>(aPoint.x, aPoint.y);

   }

   PointTyped<UnknownUnits> ToUnknownPoint() const {

     return PointTyped<UnknownUnits>(this->x, this->y);

   }

 };

 typedef PointTyped<UnknownUnits> Point;

 template<class units>

 IntPointTyped<units> RoundedToInt(const PointTyped<units>& aPoint) {

   return IntPointTyped<units>(int32_t(floorf(aPoint.x + 0.5f)),

                               int32_t(floorf(aPoint.y + 0.5f)));

 }

 template<class units>

 struct Point3DTyped :

   public BasePoint3D< Float, Point3DTyped<units> > {

   typedef BasePoint3D< Float, Point3DTyped<units> > Super;

   Point3DTyped() : Super() {}

   Point3DTyped(Float aX, Float aY, Float aZ) : Super(aX, aY, aZ) {}

   // XXX When all of the code is ported, the following functions to convert to and from

   // unknown types should be removed.

   static Point3DTyped<units> FromUnknownPoint(const Point3DTyped<UnknownUnits>& aPoint) {

     return Point3DTyped<units>(aPoint.x, aPoint.y, aPoint.z);

   }

   Point3DTyped<UnknownUnits> ToUnknownPoint() const {

     return Point3DTyped<UnknownUnits>(this->x, this->y, this->z);

   }

 };

 typedef Point3DTyped<UnknownUnits> Point3D;

 template<class units>

 struct Point4DTyped :

   public BasePoint4D< Float, Point4DTyped<units> > {

   typedef BasePoint4D< Float, Point4DTyped<units> > Super;

   Point4DTyped() : Super() {}

   Point4DTyped(Float aX, Float aY, Float aZ, Float aW) : Super(aX, aY, aZ, aW) {}

   // XXX When all of the code is ported, the following functions to convert to and from

   // unknown types should be removed.

   static Point4DTyped<units> FromUnknownPoint(const Point4DTyped<UnknownUnits>& aPoint) {

     return Point4DTyped<units>(aPoint.x, aPoint.y, aPoint.z, aPoint.w);

   }

   Point4DTyped<UnknownUnits> ToUnknownPoint() const {

     return Point4DTyped<UnknownUnits>(this->x, this->y, this->z, this->w);

   }

 };

 typedef Point4DTyped<UnknownUnits> Point4D;

 template<class units>

 struct IntSizeTyped :

   public BaseSize< int32_t, IntSizeTyped<units> >,

   public units {

   typedef BaseSize< int32_t, IntSizeTyped<units> > Super;

   MOZ_CONSTEXPR IntSizeTyped() : Super() {}

   MOZ_CONSTEXPR IntSizeTyped(int32_t aWidth, int32_t aHeight) : Super(aWidth, aHeight) {}

   // XXX When all of the code is ported, the following functions to convert to and from

   // unknown types should be removed.

   static IntSizeTyped<units> FromUnknownSize(const IntSizeTyped<UnknownUnits>& aSize) {

     return IntSizeTyped<units>(aSize.width, aSize.height);

   }

   IntSizeTyped<UnknownUnits> ToUnknownSize() const {

     return IntSizeTyped<UnknownUnits>(this->width, this->height);

   }

 };

 typedef IntSizeTyped<UnknownUnits> IntSize;

 template<class units>

 struct SizeTyped :

   public BaseSize< Float, SizeTyped<units> >,

   public units {

   typedef BaseSize< Float, SizeTyped<units> > Super;

   MOZ_CONSTEXPR SizeTyped() : Super() {}

   MOZ_CONSTEXPR SizeTyped(Float aWidth, Float aHeight) : Super(aWidth, aHeight) {}

   explicit SizeTyped(const IntSizeTyped<units>& size) :

     Super(float(size.width), float(size.height)) {}

   // XXX When all of the code is ported, the following functions to convert to and from

   // unknown types should be removed.

   static SizeTyped<units> FromUnknownSize(const SizeTyped<UnknownUnits>& aSize) {

     return SizeTyped<units>(aSize.width, aSize.height);

   }

   SizeTyped<UnknownUnits> ToUnknownSize() const {

     return SizeTyped<UnknownUnits>(this->width, this->height);

   }

 };

 typedef SizeTyped<UnknownUnits> Size;

 template<class units>

 IntSizeTyped<units> RoundedToInt(const SizeTyped<units>& aSize) {

   return IntSizeTyped<units>(int32_t(floorf(aSize.width + 0.5f)),

                              int32_t(floorf(aSize.height + 0.5f)));

 }

 }

 }

 #endif /* MOZILLA_GFX_POINT_H_ */