// Author: Stefan Csomor
// Modified by:
// Created: 08/05/99
-// RCS-ID:
// Copyright: (c) 1999 Stefan Csomor
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GEOMETRY_H_
#define _WX_GEOMETRY_H_
-#ifdef __GNUG__
- #pragma interface "geometry.cpp"
-#endif
-
#include "wx/defs.h"
-#ifndef wxUSE_GEOMETRY
- #define wxUSE_GEOMETRY 0
-#endif
-
#if wxUSE_GEOMETRY
#include "wx/utils.h"
#include "wx/gdicmn.h"
-#include <math.h>
-
-#ifdef __WXMSW__
- #define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c )
-#elif defined( __WXMAC__ )
- #include "Math64.h"
- #define wxMulDivInt32( a , b , c ) S32Set( S64Div( S64Multiply( S64Set(a) , S64Set(b) ) , S64Set(c) ) )
-#else
- #define wxMulDivInt32( a , b , c ) ((wxInt32)((a)*(((wxDouble)b)/((wxDouble)c))))
-#endif
+#include "wx/math.h"
-class wxDataInputStream;
-class wxDataOutputStream;
+class WXDLLIMPEXP_FWD_BASE wxDataInputStream;
+class WXDLLIMPEXP_FWD_BASE wxDataOutputStream;
// clipping from Cohen-Sutherland
wxOutBottom = 0x04
};
-class WXDLLEXPORT wxPoint2DInt
+class WXDLLIMPEXP_CORE wxPoint2DInt
{
public :
inline wxPoint2DInt();
inline wxPoint2DInt( const wxPoint &pt );
// noops for this class, just return the coords
- inline void GetFloor( wxInt32 *x , wxInt32 *y );
- inline void GetRounded( wxInt32 *x , wxInt32 *y );
+ inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
+ inline void GetRounded( wxInt32 *x , wxInt32 *y ) const;
- inline wxDouble GetVectorLength();
- wxDouble GetVectorAngle();
+ inline wxDouble GetVectorLength() const;
+ wxDouble GetVectorAngle() const;
inline void SetVectorLength( wxDouble length );
void SetVectorAngle( wxDouble degrees );
void SetPolarCoordinates( wxInt32 angle , wxInt32 length );
inline bool operator==(const wxPoint2DInt& pt) const;
inline bool operator!=(const wxPoint2DInt& pt) const;
+#if wxUSE_STREAMS
void WriteTo( wxDataOutputStream &stream ) const;
void ReadFrom( wxDataInputStream &stream );
+#endif // wxUSE_STREAMS
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);
+inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);
+inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);
+inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
+inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);
inline wxPoint2DInt::wxPoint2DInt()
{
m_y = pt.y;
}
-inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y ) const
{
if ( x )
*x = m_x;
*y = m_y;
}
-inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y ) const
{
GetFloor(x, y);
}
-inline wxDouble wxPoint2DInt::GetVectorLength()
+inline wxDouble wxPoint2DInt::GetVectorLength() const
{
// cast needed MIPSpro compiler under SGI
return sqrt( (double)(m_x)*(m_x) + (m_y)*(m_y) );
inline wxPoint2DInt& wxPoint2DInt::operator=(const wxPoint2DInt& pt)
{
- m_x = pt.m_x;
- m_y = pt.m_y;
+ if (this != &pt)
+ {
+ m_x = pt.m_x;
+ m_y = pt.m_y;
+ }
return *this;
}
// wxPoint2Ds represent a point or a vector in a 2d coordinate system
-class WXDLLEXPORT wxPoint2DDouble
+class WXDLLIMPEXP_CORE wxPoint2DDouble
{
public :
inline wxPoint2DDouble();
inline wxPoint2DDouble( wxDouble x , wxDouble y );
inline wxPoint2DDouble( const wxPoint2DDouble &pt );
- wxPoint2DDouble( const wxPoint2DInt &pt )
- { m_x = (wxDouble) pt.m_x ; m_y = (wxDouble) pt.m_y ; }
- wxPoint2DDouble( const wxPoint &pt )
- { m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; }
+ wxPoint2DDouble( const wxPoint2DInt &pt )
+ { m_x = (wxDouble) pt.m_x ; m_y = (wxDouble) pt.m_y ; }
+ wxPoint2DDouble( const wxPoint &pt )
+ { m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; }
// two different conversions to integers, floor and rounding
- inline void GetFloor( wxInt32 *x , wxInt32 *y );
- inline void GetRounded( wxInt32 *x , wxInt32 *y );
+ inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
+ inline void GetRounded( wxInt32 *x , wxInt32 *y ) const;
inline wxDouble GetVectorLength() const;
wxDouble GetVectorAngle() const ;
// set the vector length to 1.0, preserving the angle
void Normalize();
- inline wxDouble GetDistance( const wxPoint2DDouble &pt );
- inline wxDouble GetDistanceSquare( const wxPoint2DDouble &pt );
- inline wxDouble GetDotProduct( const wxPoint2DDouble &vec );
- inline wxDouble GetCrossProduct( const wxPoint2DDouble &vec );
+ inline wxDouble GetDistance( const wxPoint2DDouble &pt ) const;
+ inline wxDouble GetDistanceSquare( const wxPoint2DDouble &pt ) const;
+ inline wxDouble GetDotProduct( const wxPoint2DDouble &vec ) const;
+ inline wxDouble GetCrossProduct( const wxPoint2DDouble &vec ) const;
// the reflection of this point
inline wxPoint2DDouble operator-();
m_y = pt.m_y;
}
-inline void wxPoint2DDouble::GetFloor( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DDouble::GetFloor( wxInt32 *x , wxInt32 *y ) const
{
*x = (wxInt32) floor( m_x );
*y = (wxInt32) floor( m_y );
}
-inline void wxPoint2DDouble::GetRounded( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DDouble::GetRounded( wxInt32 *x , wxInt32 *y ) const
{
*x = (wxInt32) floor( m_x + 0.5 );
*y = (wxInt32) floor( m_y + 0.5);
return sqrt( (m_x)*(m_x) + (m_y)*(m_y) ) ;
}
-inline void wxPoint2DDouble::SetVectorLength( wxDouble length )
+inline void wxPoint2DDouble::SetVectorLength( wxDouble length )
{
wxDouble before = GetVectorLength() ;
m_x = (m_x * length / before) ;
m_y = (m_y * length / before) ;
}
-inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt )
+inline void wxPoint2DDouble::Normalize()
+{
+ SetVectorLength( 1 );
+}
+
+inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const
{
return sqrt( GetDistanceSquare( pt ) );
}
-inline wxDouble wxPoint2DDouble::GetDistanceSquare( const wxPoint2DDouble &pt )
+inline wxDouble wxPoint2DDouble::GetDistanceSquare( const wxPoint2DDouble &pt ) const
{
return ( (pt.m_x-m_x)*(pt.m_x-m_x) + (pt.m_y-m_y)*(pt.m_y-m_y) );
}
-inline wxDouble wxPoint2DDouble::GetDotProduct( const wxPoint2DDouble &vec )
+inline wxDouble wxPoint2DDouble::GetDotProduct( const wxPoint2DDouble &vec ) const
{
return ( m_x * vec.m_x + m_y * vec.m_y );
}
-inline wxDouble wxPoint2DDouble::GetCrossProduct( const wxPoint2DDouble &vec )
+inline wxDouble wxPoint2DDouble::GetCrossProduct( const wxPoint2DDouble &vec ) const
{
return ( m_x * vec.m_y - vec.m_x * m_y );
}
inline wxPoint2DDouble& wxPoint2DDouble::operator=(const wxPoint2DDouble& pt)
{
- m_x = pt.m_x;
- m_y = pt.m_y;
+ if (this != &pt)
+ {
+ m_x = pt.m_x;
+ m_y = pt.m_y;
+ }
return *this;
}
inline bool wxPoint2DDouble::operator==(const wxPoint2DDouble& pt) const
{
- return m_x == pt.m_x && m_y == pt.m_y;
+ return wxIsSameDouble(m_x, pt.m_x) && wxIsSameDouble(m_y, pt.m_y);
}
inline bool wxPoint2DDouble::operator!=(const wxPoint2DDouble& pt) const
{
- return m_x != pt.m_x || m_y != pt.m_y;
+ return !(*this == pt);
}
inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
// 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 WXDLLEXPORT wxRect2DDouble
+class WXDLLIMPEXP_CORE wxRect2DDouble
{
public:
wxRect2DDouble()
*/
// single attribute accessors
- inline wxPoint2DDouble GetPosition()
+ wxPoint2DDouble GetPosition() const
{ return wxPoint2DDouble(m_x, m_y); }
- inline wxSize GetSize()
+ wxSize GetSize() const
{ return wxSize((int) m_width, (int) m_height); }
- // 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
+ // for the edge and corner accessors there are two setters counterparts, 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 appropriately
inline wxDouble GetLeft() const { return m_x; }
inline void SetLeft( wxDouble n ) { m_width += m_x - n; m_x = n; }
{ MoveCentreTo( pt ); } // since this is impossible without moving...
inline void MoveCentreTo( const wxPoint2DDouble &pt )
{ m_x += pt.m_x - (m_x+m_width/2) , m_y += pt.m_y -(m_y+m_height/2); }
- inline wxOutCode GetOutcode( const wxPoint2DDouble &pt ) const
+ inline wxOutCode GetOutCode( const wxPoint2DDouble &pt ) const
{ return (wxOutCode) (( ( pt.m_x < m_x ) ? wxOutLeft : 0 ) +
- ( ( pt.m_x >= m_x + m_width ) ? wxOutRight : 0 ) +
+ ( ( pt.m_x > m_x + m_width ) ? wxOutRight : 0 ) +
( ( pt.m_y < m_y ) ? wxOutTop : 0 ) +
- ( ( pt.m_y >= m_y + m_height ) ? wxOutBottom : 0 )); }
+ ( ( pt.m_y > m_y + m_height ) ? wxOutBottom : 0 )); }
+ inline wxOutCode GetOutcode(const wxPoint2DDouble &pt) const
+ { return GetOutCode(pt) ; }
inline bool Contains( const wxPoint2DDouble &pt ) const
- { return GetOutcode( pt ) == wxInside; }
+ { return GetOutCode( pt ) == wxInside; }
inline bool Contains( const wxRect2DDouble &rect ) const
{ return ( ( ( m_x <= rect.m_x ) && ( rect.m_x + rect.m_width <= m_x + m_width ) ) &&
( ( m_y <= rect.m_y ) && ( rect.m_y + rect.m_height <= m_y + m_height ) ) ); }
inline bool IsEmpty() const
- { return ( m_width <= 0 || m_height <= 0 ); }
+ { return m_width <= 0 || m_height <= 0; }
inline bool HaveEqualSize( const wxRect2DDouble &rect ) const
- { return ( rect.m_width == m_width && rect.m_height == m_height ); }
+ { return wxIsSameDouble(rect.m_width, m_width) && wxIsSameDouble(rect.m_height, m_height); }
inline void Inset( wxDouble x , wxDouble y )
{ m_x += x; m_y += y; m_width -= 2 * x; m_height -= 2 * y; }
{ m_x *= ((wxDouble)num)/((wxDouble)denum); m_y *= ((wxDouble)num)/((wxDouble)denum);
m_width *= ((wxDouble)num)/((wxDouble)denum); m_height *= ((wxDouble)num)/((wxDouble)denum);}
-/*
wxRect2DDouble& operator = (const wxRect2DDouble& rect);
- bool operator == (const wxRect2DDouble& rect);
- bool operator != (const wxRect2DDouble& rect);
-*/
+ inline bool operator == (const wxRect2DDouble& rect) const
+ { return wxIsSameDouble(m_x, rect.m_x) && wxIsSameDouble(m_y, rect.m_y) && HaveEqualSize(rect); }
+ inline bool operator != (const wxRect2DDouble& rect) const
+ { return !(*this == rect); }
wxDouble m_x;
wxDouble m_y;
// 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 WXDLLEXPORT wxRect2DInt
+class WXDLLIMPEXP_CORE wxRect2DInt
{
public:
wxRect2DInt() { m_x = m_y = m_width = m_height = 0; }
// single attribute accessors
- inline wxPoint2DInt GetPosition() { return wxPoint2DInt(m_x, m_y); }
- inline wxSize GetSize() { return wxSize(m_width, m_height); }
+ wxPoint2DInt GetPosition() const { return wxPoint2DInt(m_x, m_y); }
+ wxSize GetSize() const { return wxSize(m_width, m_height); }
- // 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
+ // for the edge and corner accessors there are two setters counterparts, 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 appropriately
inline wxInt32 GetLeft() const { return m_x; }
inline void SetLeft( wxInt32 n ) { m_width += m_x - n; m_x = n; }
inline wxPoint2DInt GetCentre() const { return wxPoint2DInt( m_x+m_width/2 , m_y+m_height/2 ); }
inline void SetCentre( const wxPoint2DInt &pt ) { MoveCentreTo( pt ); } // since this is impossible without moving...
inline void MoveCentreTo( const wxPoint2DInt &pt ) { m_x += pt.m_x - (m_x+m_width/2) , m_y += pt.m_y -(m_y+m_height/2); }
- inline wxOutCode GetOutcode( const wxPoint2DInt &pt ) const
+ inline wxOutCode GetOutCode( const wxPoint2DInt &pt ) const
{ return (wxOutCode) (( ( pt.m_x < m_x ) ? wxOutLeft : 0 ) +
( ( pt.m_x >= m_x + m_width ) ? wxOutRight : 0 ) +
( ( pt.m_y < m_y ) ? wxOutTop : 0 ) +
( ( pt.m_y >= m_y + m_height ) ? wxOutBottom : 0 )); }
+ inline wxOutCode GetOutcode( const wxPoint2DInt &pt ) const
+ { return GetOutCode( pt ) ; }
inline bool Contains( const wxPoint2DInt &pt ) const
- { return GetOutcode( pt ) == wxInside; }
+ { return GetOutCode( pt ) == wxInside; }
inline bool Contains( const wxRect2DInt &rect ) const
{ return ( ( ( m_x <= rect.m_x ) && ( rect.m_x + rect.m_width <= m_x + m_width ) ) &&
( ( m_y <= rect.m_y ) && ( rect.m_y + rect.m_height <= m_y + m_height ) ) ); }
m_width *= ((wxInt32)num)/((wxInt32)denum); m_height *= ((wxInt32)num)/((wxInt32)denum);}
wxRect2DInt& operator = (const wxRect2DInt& rect);
- bool operator == (const wxRect2DInt& rect);
- bool operator != (const wxRect2DInt& rect);
+ bool operator == (const wxRect2DInt& rect) const;
+ bool operator != (const wxRect2DInt& rect) const;
- void WriteTo( wxDataOutputStream &stream ) const;
- void ReadFrom( wxDataInputStream &stream );
+#if wxUSE_STREAMS
+ void WriteTo( wxDataOutputStream &stream ) const;
+ void ReadFrom( wxDataInputStream &stream );
+#endif // wxUSE_STREAMS
wxInt32 m_x;
- wxInt32 m_y;
- wxInt32 m_width;
- wxInt32 m_height;
+ wxInt32 m_y;
+ wxInt32 m_width;
+ wxInt32 m_height;
};
inline wxRect2DInt::wxRect2DInt( const wxRect2DInt &r )
m_height = abs( a.m_y - b.m_y );
}
-class wxTransform2D
+inline wxRect2DInt::wxRect2DInt( const wxPoint2DInt& pos, const wxSize& size)
+{
+ m_x = pos.m_x;
+ m_y = pos.m_y;
+ m_width = size.x;
+ m_height = size.y;
+}
+
+inline bool wxRect2DInt::operator == (const wxRect2DInt& rect) const
+{
+ return (m_x==rect.m_x && m_y==rect.m_y &&
+ m_width==rect.m_width && m_height==rect.m_height);
+}
+
+inline bool wxRect2DInt::operator != (const wxRect2DInt& rect) const
+{
+ return !(*this == rect);
+}
+
+class WXDLLIMPEXP_CORE 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 InverseTransform( const wxRect2DInt &r ) const ;
};
-inline void wxTransform2D::Transform( wxRect2DInt* r ) const
- { wxPoint2DInt a = r->GetLeftTop() , b = r->GetRightBottom(); Transform( &a ); Transform( &b ); *r = wxRect2DInt( a , b ); }
-
-inline wxPoint2DInt wxTransform2D::Transform( const wxPoint2DInt &pt ) const
- { wxPoint2DInt res = pt; Transform( &res ); return res; }
-
-inline wxRect2DInt wxTransform2D::Transform( const wxRect2DInt &r ) const
- { wxRect2DInt res = r; Transform( &res ); return res; }
-
-inline void wxTransform2D::InverseTransform( wxRect2DInt* r ) const
- { wxPoint2DInt a = r->GetLeftTop() , b = r->GetRightBottom(); InverseTransform( &a ); InverseTransform( &b ); *r = wxRect2DInt( a , b ); }
-
-inline wxPoint2DInt wxTransform2D::InverseTransform( const wxPoint2DInt &pt ) const
- { wxPoint2DInt res = pt; InverseTransform( &res ); return res; }
-
-inline wxRect2DInt wxTransform2D::InverseTransform( const wxRect2DInt &r ) const
- { wxRect2DInt res = r; InverseTransform( &res ); return res; }
-
#endif // wxUSE_GEOMETRY
projects / wxWidgets.git / blobdiff