--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: geometry.h
+// Purpose: interface of geometry classes
+// Author: wxWidgets team
+// RCS-ID: $Id: $
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+enum wxOutCode
+{
+ wxInside = 0x00 ,
+ wxOutLeft = 0x01 ,
+ wxOutRight = 0x02 ,
+ wxOutTop = 0x08 ,
+ wxOutBottom = 0x04
+};
+
+
+class wxPoint2DInt
+{
+public :
+ wxPoint2DInt();
+ wxPoint2DInt( wxInt32 x , wxInt32 y );
+ wxPoint2DInt( const wxPoint2DInt &pt );
+ wxPoint2DInt( const wxPoint &pt );
+
+ // noops for this class, just return the coords
+ void GetFloor( wxInt32 *x , wxInt32 *y ) const;
+ void GetRounded( wxInt32 *x , wxInt32 *y ) const;
+
+ wxDouble GetVectorLength() const;
+ wxDouble GetVectorAngle() const;
+ void SetVectorLength( wxDouble length );
+ void SetVectorAngle( wxDouble degrees );
+ void SetPolarCoordinates( wxInt32 angle , wxInt32 length );
+ // set the vector length to 1.0, preserving the angle
+ void Normalize();
+
+ wxDouble GetDistance( const wxPoint2DInt &pt ) const;
+ wxDouble GetDistanceSquare( const wxPoint2DInt &pt ) const;
+ wxInt32 GetDotProduct( const wxPoint2DInt &vec ) const;
+ wxInt32 GetCrossProduct( const wxPoint2DInt &vec ) const;
+
+ // the reflection of this point
+ wxPoint2DInt operator-();
+
+ wxPoint2DInt& operator=(const wxPoint2DInt& pt);
+ wxPoint2DInt& operator+=(const wxPoint2DInt& pt);
+ wxPoint2DInt& operator-=(const wxPoint2DInt& pt);
+ wxPoint2DInt& operator*=(const wxPoint2DInt& pt);
+ wxPoint2DInt& operator*=(wxDouble n);
+ wxPoint2DInt& operator*=(wxInt32 n);
+ wxPoint2DInt& operator/=(const wxPoint2DInt& pt);
+ wxPoint2DInt& operator/=(wxDouble n);
+ wxPoint2DInt& operator/=(wxInt32 n);
+ operator wxPoint() const;
+ bool operator==(const wxPoint2DInt& pt) const;
+ bool operator!=(const wxPoint2DInt& pt) const;
+
+ wxInt32 m_x;
+ wxInt32 m_y;
+};
+
+wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);
+wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);
+wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);
+wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);
+wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);
+wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);
+
+
+// wxPoint2Ds represent a point or a vector in a 2d coordinate system
+
+class wxPoint2DDouble
+{
+public :
+ wxPoint2DDouble();
+ wxPoint2DDouble( wxDouble x , wxDouble y );
+ wxPoint2DDouble( const wxPoint2DDouble &pt );
+ wxPoint2DDouble( const wxPoint2DInt &pt );
+ wxPoint2DDouble( const wxPoint &pt );
+
+ // two different conversions to integers, floor and rounding
+ void GetFloor( wxInt32 *x , wxInt32 *y ) const;
+ void GetRounded( wxInt32 *x , wxInt32 *y ) const;
+
+ wxDouble GetVectorLength() const;
+ wxDouble GetVectorAngle() const ;
+ void SetVectorLength( wxDouble length );
+ void SetVectorAngle( wxDouble degrees );
+ void SetPolarCoordinates( wxDouble angle , wxDouble length );
+ // set the vector length to 1.0, preserving the angle
+ void Normalize();
+
+ wxDouble GetDistance( const wxPoint2DDouble &pt ) const;
+ wxDouble GetDistanceSquare( const wxPoint2DDouble &pt ) const;
+ wxDouble GetDotProduct( const wxPoint2DDouble &vec ) const;
+ wxDouble GetCrossProduct( const wxPoint2DDouble &vec ) const;
+
+ // the reflection of this point
+ wxPoint2DDouble operator-();
+
+ wxPoint2DDouble& operator=(const wxPoint2DDouble& pt);
+ wxPoint2DDouble& operator+=(const wxPoint2DDouble& pt);
+ wxPoint2DDouble& operator-=(const wxPoint2DDouble& pt);
+ wxPoint2DDouble& operator*=(const wxPoint2DDouble& pt);
+ wxPoint2DDouble& operator*=(wxDouble n);
+ wxPoint2DDouble& operator*=(wxInt32 n);
+ wxPoint2DDouble& operator/=(const wxPoint2DDouble& pt);
+ wxPoint2DDouble& operator/=(wxDouble n);
+ wxPoint2DDouble& operator/=(wxInt32 n);
+
+ bool operator==(const wxPoint2DDouble& pt) const;
+ bool operator!=(const wxPoint2DDouble& pt) const;
+
+ wxDouble m_x;
+ wxDouble m_y;
+};
+
+wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
+wxPoint2DDouble operator-(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
+wxPoint2DDouble operator*(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
+wxPoint2DDouble operator*(wxDouble n , const wxPoint2DDouble& pt);
+wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt);
+wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n);
+wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n);
+wxPoint2DDouble operator/(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
+wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxDouble n);
+wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n);
+
+
+
+// wxRect2Ds are a axis-aligned rectangles, each side of the rect is parallel to the x- or m_y- axis. The rectangle is either defined by the
+// top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
+// left <= x < right and top <= m_y < bottom , thus it is a half open interval.
+
+class wxRect2DDouble
+{
+public:
+ wxRect2DDouble();
+ wxRect2DDouble(wxDouble x, wxDouble y, wxDouble w, wxDouble h);
+
+ // single attribute accessors
+
+ wxPoint2DDouble GetPosition();
+ wxSize GetSize();
+
+ // for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their
+ // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately
+
+ wxDouble GetLeft() const;
+ void SetLeft( wxDouble n );
+ void MoveLeftTo( wxDouble n );
+ wxDouble GetTop() const;
+ void SetTop( wxDouble n );
+ void MoveTopTo( wxDouble n );
+ wxDouble GetBottom() const;
+ void SetBottom( wxDouble n );
+ void MoveBottomTo( wxDouble n );
+ wxDouble GetRight() const;
+ void SetRight( wxDouble n );
+ void MoveRightTo( wxDouble n );
+
+ wxPoint2DDouble GetLeftTop() const;
+ void SetLeftTop( const wxPoint2DDouble &pt );
+ void MoveLeftTopTo( const wxPoint2DDouble &pt );
+ wxPoint2DDouble GetLeftBottom() const;
+ void SetLeftBottom( const wxPoint2DDouble &pt );
+ void MoveLeftBottomTo( const wxPoint2DDouble &pt );
+ wxPoint2DDouble GetRightTop() const;
+ void SetRightTop( const wxPoint2DDouble &pt );
+ void MoveRightTopTo( const wxPoint2DDouble &pt );
+ wxPoint2DDouble GetRightBottom() const;
+ void SetRightBottom( const wxPoint2DDouble &pt );
+ void MoveRightBottomTo( const wxPoint2DDouble &pt );
+ wxPoint2DDouble GetCentre() const;
+ void SetCentre( const wxPoint2DDouble &pt );
+ void MoveCentreTo( const wxPoint2DDouble &pt );
+ wxOutCode GetOutCode( const wxPoint2DDouble &pt ) const;
+ wxOutCode GetOutcode(const wxPoint2DDouble &pt) const;
+ bool Contains( const wxPoint2DDouble &pt ) const;
+ bool Contains( const wxRect2DDouble &rect ) const;
+ bool IsEmpty() const;
+ bool HaveEqualSize( const wxRect2DDouble &rect ) const;
+
+ void Inset( wxDouble x , wxDouble y );
+ void Inset( wxDouble left , wxDouble top ,wxDouble right , wxDouble bottom );
+ void Offset( const wxPoint2DDouble &pt );
+
+ void ConstrainTo( const wxRect2DDouble &rect );
+
+ wxPoint2DDouble Interpolate( wxInt32 widthfactor , wxInt32 heightfactor );
+
+ static void Intersect( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest );
+ void Intersect( const wxRect2DDouble &otherRect );
+ wxRect2DDouble CreateIntersection( const wxRect2DDouble &otherRect ) const;
+ bool Intersects( const wxRect2DDouble &rect ) const;
+
+ static void Union( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest );
+ void Union( const wxRect2DDouble &otherRect );
+ void Union( const wxPoint2DDouble &pt );
+ wxRect2DDouble CreateUnion( const wxRect2DDouble &otherRect ) const;
+
+ void Scale( wxDouble f );
+ void Scale( wxInt32 num , wxInt32 denum );
+
+ wxRect2DDouble& operator = (const wxRect2DDouble& rect);
+ bool operator == (const wxRect2DDouble& rect) const;
+ bool operator != (const wxRect2DDouble& rect) const;
+
+ wxDouble m_x;
+ wxDouble m_y;
+ wxDouble m_width;
+ wxDouble m_height;
+};
+
+
+
+
+// wxRect2Ds are a axis-aligned rectangles, each side of the rect is parallel to the x- or m_y- axis. The rectangle is either defined by the
+// top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
+// left <= x < right and top <= m_y < bottom , thus it is a half open interval.
+
+class wxRect2DInt
+{
+public:
+ wxRect2DInt();
+ wxRect2DInt( const wxRect& r );
+ wxRect2DInt(wxInt32 x, wxInt32 y, wxInt32 w, wxInt32 h);
+ wxRect2DInt(const wxPoint2DInt& topLeft, const wxPoint2DInt& bottomRight);
+ wxRect2DInt(const wxPoint2DInt& pos, const wxSize& size);
+ wxRect2DInt(const wxRect2DInt& rect);
+
+ // single attribute accessors
+
+ wxPoint2DInt GetPosition();
+ wxSize GetSize();
+
+ // for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their
+ // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately
+
+ wxInt32 GetLeft() const;
+ void SetLeft( wxInt32 n );
+ void MoveLeftTo( wxInt32 n );
+ wxInt32 GetTop() const;
+ void SetTop( wxInt32 n );
+ void MoveTopTo( wxInt32 n );
+ wxInt32 GetBottom() const;
+ void SetBottom( wxInt32 n );
+ void MoveBottomTo( wxInt32 n );
+ wxInt32 GetRight() const;
+ void SetRight( wxInt32 n );
+ void MoveRightTo( wxInt32 n );
+
+ wxPoint2DInt GetLeftTop() const;
+ void SetLeftTop( const wxPoint2DInt &pt ) ;
+ void MoveLeftTopTo( const wxPoint2DInt &pt ) ;
+ wxPoint2DInt GetLeftBottom() const ;
+ void SetLeftBottom( const wxPoint2DInt &pt ) ;
+ void MoveLeftBottomTo( const wxPoint2DInt &pt ) ;
+ wxPoint2DInt GetRightTop() const ;
+ void SetRightTop( const wxPoint2DInt &pt ) ;
+ void MoveRightTopTo( const wxPoint2DInt &pt ) ;
+ wxPoint2DInt GetRightBottom() const ;
+ void SetRightBottom( const wxPoint2DInt &pt ) ;
+ void MoveRightBottomTo( const wxPoint2DInt &pt ) ;
+ wxPoint2DInt GetCentre() const ;
+ void SetCentre( const wxPoint2DInt &pt ) ;
+ void MoveCentreTo( const wxPoint2DInt &pt ) ;
+ wxOutCode GetOutCode( const wxPoint2DInt &pt ) const;
+ wxOutCode GetOutcode( const wxPoint2DInt &pt ) const;
+ bool Contains( const wxPoint2DInt &pt ) const;
+ bool Contains( const wxRect2DInt &rect ) const;
+ bool IsEmpty() const;
+ bool HaveEqualSize( const wxRect2DInt &rect ) const;
+
+ void Inset( wxInt32 x , wxInt32 y );
+ void Inset( wxInt32 left , wxInt32 top ,wxInt32 right , wxInt32 bottom );
+ void Offset( const wxPoint2DInt &pt );
+ void ConstrainTo( const wxRect2DInt &rect );
+ wxPoint2DInt Interpolate( wxInt32 widthfactor , wxInt32 heightfactor );
+
+ static void Intersect( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest );
+ void Intersect( const wxRect2DInt &otherRect );
+ wxRect2DInt CreateIntersection( const wxRect2DInt &otherRect ) const;
+ bool Intersects( const wxRect2DInt &rect ) const;
+
+ static void Union( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest );
+ void Union( const wxRect2DInt &otherRect );
+ void Union( const wxPoint2DInt &pt );
+ wxRect2DInt CreateUnion( const wxRect2DInt &otherRect ) const;
+
+ void Scale( wxInt32 f );
+ void Scale( wxInt32 num , wxInt32 denum );
+
+ wxRect2DInt& operator = (const wxRect2DInt& rect);
+ bool operator == (const wxRect2DInt& rect) const;
+ bool operator != (const wxRect2DInt& rect) const;
+
+
+ wxInt32 m_x;
+ wxInt32 m_y;
+ wxInt32 m_width;
+ wxInt32 m_height;
+};
+
+
+
+
+
+class wxTransform2D
+{
+public :
+ virtual ~wxTransform2D() { }
+ virtual void Transform( wxPoint2DInt* pt )const = 0;
+ virtual void Transform( wxRect2DInt* r ) const;
+ virtual wxPoint2DInt Transform( const wxPoint2DInt &pt ) const;
+ virtual wxRect2DInt Transform( const wxRect2DInt &r ) const ;
+
+ virtual void InverseTransform( wxPoint2DInt* pt ) const = 0;
+ virtual void InverseTransform( wxRect2DInt* r ) const ;
+ virtual wxPoint2DInt InverseTransform( const wxPoint2DInt &pt ) const ;
+ virtual wxRect2DInt InverseTransform( const wxRect2DInt &r ) const ;
+};
+
+