805 lines
30 KiB
C++
805 lines
30 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/geometry.h
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// Purpose: Common Geometry Classes
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// Author: Stefan Csomor
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// Modified by:
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// Created: 08/05/99
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// Copyright: (c) 1999 Stefan Csomor
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GEOMETRY_H_
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#define _WX_GEOMETRY_H_
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#include "wx/defs.h"
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#if wxUSE_GEOMETRY
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#include "wx/utils.h"
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#include "wx/gdicmn.h"
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#include "wx/math.h"
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class WXDLLIMPEXP_FWD_BASE wxDataInputStream;
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class WXDLLIMPEXP_FWD_BASE wxDataOutputStream;
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// clipping from Cohen-Sutherland
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enum wxOutCode
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{
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wxInside = 0x00 ,
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wxOutLeft = 0x01 ,
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wxOutRight = 0x02 ,
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wxOutTop = 0x08 ,
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wxOutBottom = 0x04
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};
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class WXDLLIMPEXP_CORE wxPoint2DInt
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{
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public :
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inline wxPoint2DInt();
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inline wxPoint2DInt( wxInt32 x , wxInt32 y );
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inline wxPoint2DInt( const wxPoint2DInt &pt );
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inline wxPoint2DInt( const wxPoint &pt );
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// noops for this class, just return the coords
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inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
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inline void GetRounded( wxInt32 *x , wxInt32 *y ) const;
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inline wxDouble GetVectorLength() const;
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wxDouble GetVectorAngle() const;
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inline void SetVectorLength( wxDouble length );
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void SetVectorAngle( wxDouble degrees );
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void SetPolarCoordinates( wxInt32 angle , wxInt32 length );
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// set the vector length to 1.0, preserving the angle
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inline void Normalize();
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inline wxDouble GetDistance( const wxPoint2DInt &pt ) const;
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inline wxDouble GetDistanceSquare( const wxPoint2DInt &pt ) const;
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inline wxInt32 GetDotProduct( const wxPoint2DInt &vec ) const;
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inline wxInt32 GetCrossProduct( const wxPoint2DInt &vec ) const;
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// the reflection of this point
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inline wxPoint2DInt operator-();
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inline wxPoint2DInt& operator=(const wxPoint2DInt& pt);
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inline wxPoint2DInt& operator+=(const wxPoint2DInt& pt);
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inline wxPoint2DInt& operator-=(const wxPoint2DInt& pt);
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inline wxPoint2DInt& operator*=(const wxPoint2DInt& pt);
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inline wxPoint2DInt& operator*=(wxDouble n);
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inline wxPoint2DInt& operator*=(wxInt32 n);
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inline wxPoint2DInt& operator/=(const wxPoint2DInt& pt);
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inline wxPoint2DInt& operator/=(wxDouble n);
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inline wxPoint2DInt& operator/=(wxInt32 n);
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inline operator wxPoint() const;
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inline bool operator==(const wxPoint2DInt& pt) const;
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inline bool operator!=(const wxPoint2DInt& pt) const;
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#if wxUSE_STREAMS
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void WriteTo( wxDataOutputStream &stream ) const;
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void ReadFrom( wxDataInputStream &stream );
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#endif // wxUSE_STREAMS
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wxInt32 m_x;
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wxInt32 m_y;
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};
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inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
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inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
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inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
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inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);
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inline wxPoint2DInt operator*(wxDouble n , const wxPoint2DInt& pt);
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inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);
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inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxDouble n);
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inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
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inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);
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inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxDouble n);
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inline wxPoint2DInt::wxPoint2DInt()
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{
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m_x = 0;
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m_y = 0;
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}
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inline wxPoint2DInt::wxPoint2DInt( wxInt32 x , wxInt32 y )
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{
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m_x = x;
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m_y = y;
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}
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inline wxPoint2DInt::wxPoint2DInt( const wxPoint2DInt &pt )
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{
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m_x = pt.m_x;
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m_y = pt.m_y;
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}
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inline wxPoint2DInt::wxPoint2DInt( const wxPoint &pt )
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{
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m_x = pt.x;
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m_y = pt.y;
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}
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inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y ) const
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{
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if ( x )
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*x = m_x;
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if ( y )
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*y = m_y;
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}
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inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y ) const
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{
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GetFloor(x, y);
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}
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inline wxDouble wxPoint2DInt::GetVectorLength() const
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{
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// cast needed MIPSpro compiler under SGI
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return sqrt( (double)(m_x)*(m_x) + (m_y)*(m_y) );
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}
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inline void wxPoint2DInt::SetVectorLength( wxDouble length )
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{
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wxDouble before = GetVectorLength();
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m_x = (wxInt32)(m_x * length / before);
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m_y = (wxInt32)(m_y * length / before);
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}
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inline void wxPoint2DInt::Normalize()
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{
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SetVectorLength( 1 );
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}
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inline wxDouble wxPoint2DInt::GetDistance( const wxPoint2DInt &pt ) const
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{
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return sqrt( GetDistanceSquare( pt ) );
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}
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inline wxDouble wxPoint2DInt::GetDistanceSquare( const wxPoint2DInt &pt ) const
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{
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return ( (pt.m_x-m_x)*(pt.m_x-m_x) + (pt.m_y-m_y)*(pt.m_y-m_y) );
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}
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inline wxInt32 wxPoint2DInt::GetDotProduct( const wxPoint2DInt &vec ) const
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{
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return ( m_x * vec.m_x + m_y * vec.m_y );
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}
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inline wxInt32 wxPoint2DInt::GetCrossProduct( const wxPoint2DInt &vec ) const
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{
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return ( m_x * vec.m_y - vec.m_x * m_y );
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}
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inline wxPoint2DInt::operator wxPoint() const
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{
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return wxPoint( m_x, m_y);
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}
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inline wxPoint2DInt wxPoint2DInt::operator-()
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{
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return wxPoint2DInt( -m_x, -m_y);
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}
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inline wxPoint2DInt& wxPoint2DInt::operator=(const wxPoint2DInt& pt)
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{
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if (this != &pt)
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{
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m_x = pt.m_x;
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m_y = pt.m_y;
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}
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return *this;
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}
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inline wxPoint2DInt& wxPoint2DInt::operator+=(const wxPoint2DInt& pt)
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{
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m_x = m_x + pt.m_x;
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m_y = m_y + pt.m_y;
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return *this;
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}
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inline wxPoint2DInt& wxPoint2DInt::operator-=(const wxPoint2DInt& pt)
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{
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m_x = m_x - pt.m_x;
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m_y = m_y - pt.m_y;
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return *this;
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}
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inline wxPoint2DInt& wxPoint2DInt::operator*=(const wxPoint2DInt& pt)
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{
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m_x = m_x * pt.m_x;
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m_y = m_y * pt.m_y;
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return *this;
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}
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inline wxPoint2DInt& wxPoint2DInt::operator/=(const wxPoint2DInt& pt)
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{
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m_x = m_x / pt.m_x;
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m_y = m_y / pt.m_y;
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return *this;
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}
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inline bool wxPoint2DInt::operator==(const wxPoint2DInt& pt) const
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{
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return m_x == pt.m_x && m_y == pt.m_y;
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}
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inline bool wxPoint2DInt::operator!=(const wxPoint2DInt& pt) const
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{
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return m_x != pt.m_x || m_y != pt.m_y;
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}
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inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
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{
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return wxPoint2DInt( pt1.m_x + pt2.m_x , pt1.m_y + pt2.m_y );
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}
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inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
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{
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return wxPoint2DInt( pt1.m_x - pt2.m_x , pt1.m_y - pt2.m_y );
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}
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inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
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{
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return wxPoint2DInt( pt1.m_x * pt2.m_x , pt1.m_y * pt2.m_y );
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}
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inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt)
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{
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return wxPoint2DInt( pt.m_x * n , pt.m_y * n );
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}
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inline wxPoint2DInt operator*(wxDouble n , const wxPoint2DInt& pt)
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{
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return wxPoint2DInt( static_cast<wxInt32>(pt.m_x * n) ,
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static_cast<wxInt32>(pt.m_y * n) );
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}
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inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n)
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{
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return wxPoint2DInt( pt.m_x * n , pt.m_y * n );
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}
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inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxDouble n)
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{
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return wxPoint2DInt( static_cast<wxInt32>(pt.m_x * n) ,
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static_cast<wxInt32>(pt.m_y * n) );
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}
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inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
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{
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return wxPoint2DInt( pt1.m_x / pt2.m_x , pt1.m_y / pt2.m_y );
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}
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inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n)
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{
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return wxPoint2DInt( pt.m_x / n , pt.m_y / n );
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}
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inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxDouble n)
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{
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return wxPoint2DInt( static_cast<wxInt32>(pt.m_x / n) ,
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static_cast<wxInt32>(pt.m_y / n) );
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}
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// wxPoint2Ds represent a point or a vector in a 2d coordinate system
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class WXDLLIMPEXP_CORE wxPoint2DDouble
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{
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public :
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inline wxPoint2DDouble();
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inline wxPoint2DDouble( wxDouble x , wxDouble y );
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inline wxPoint2DDouble( const wxPoint2DDouble &pt );
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wxPoint2DDouble( const wxPoint2DInt &pt )
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{ m_x = (wxDouble) pt.m_x ; m_y = (wxDouble) pt.m_y ; }
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wxPoint2DDouble( const wxPoint &pt )
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{ m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; }
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// two different conversions to integers, floor and rounding
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inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
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inline void GetRounded( wxInt32 *x , wxInt32 *y ) const;
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inline wxDouble GetVectorLength() const;
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wxDouble GetVectorAngle() const ;
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void SetVectorLength( wxDouble length );
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void SetVectorAngle( wxDouble degrees );
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void SetPolarCoordinates( wxDouble angle , wxDouble length );
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// set the vector length to 1.0, preserving the angle
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void Normalize();
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inline wxDouble GetDistance( const wxPoint2DDouble &pt ) const;
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inline wxDouble GetDistanceSquare( const wxPoint2DDouble &pt ) const;
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inline wxDouble GetDotProduct( const wxPoint2DDouble &vec ) const;
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inline wxDouble GetCrossProduct( const wxPoint2DDouble &vec ) const;
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// the reflection of this point
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inline wxPoint2DDouble operator-();
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inline wxPoint2DDouble& operator=(const wxPoint2DDouble& pt);
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inline wxPoint2DDouble& operator+=(const wxPoint2DDouble& pt);
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inline wxPoint2DDouble& operator-=(const wxPoint2DDouble& pt);
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inline wxPoint2DDouble& operator*=(const wxPoint2DDouble& pt);
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inline wxPoint2DDouble& operator*=(wxDouble n);
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inline wxPoint2DDouble& operator*=(wxInt32 n);
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inline wxPoint2DDouble& operator/=(const wxPoint2DDouble& pt);
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inline wxPoint2DDouble& operator/=(wxDouble n);
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inline wxPoint2DDouble& operator/=(wxInt32 n);
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inline bool operator==(const wxPoint2DDouble& pt) const;
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inline bool operator!=(const wxPoint2DDouble& pt) const;
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wxDouble m_x;
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wxDouble m_y;
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};
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inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
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inline wxPoint2DDouble operator-(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
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inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
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inline wxPoint2DDouble operator*(wxDouble n , const wxPoint2DDouble& pt);
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inline wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt);
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inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n);
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inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n);
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inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2);
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inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxDouble n);
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inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n);
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inline wxPoint2DDouble::wxPoint2DDouble()
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{
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m_x = 0.0;
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m_y = 0.0;
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}
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inline wxPoint2DDouble::wxPoint2DDouble( wxDouble x , wxDouble y )
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{
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m_x = x;
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m_y = y;
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}
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inline wxPoint2DDouble::wxPoint2DDouble( const wxPoint2DDouble &pt )
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{
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m_x = pt.m_x;
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m_y = pt.m_y;
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}
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inline void wxPoint2DDouble::GetFloor( wxInt32 *x , wxInt32 *y ) const
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{
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*x = (wxInt32) floor( m_x );
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*y = (wxInt32) floor( m_y );
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}
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inline void wxPoint2DDouble::GetRounded( wxInt32 *x , wxInt32 *y ) const
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{
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*x = (wxInt32) floor( m_x + 0.5 );
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*y = (wxInt32) floor( m_y + 0.5);
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}
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inline wxDouble wxPoint2DDouble::GetVectorLength() const
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{
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return sqrt( (m_x)*(m_x) + (m_y)*(m_y) ) ;
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}
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inline void wxPoint2DDouble::SetVectorLength( wxDouble length )
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{
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wxDouble before = GetVectorLength() ;
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m_x = (m_x * length / before) ;
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m_y = (m_y * length / before) ;
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}
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inline void wxPoint2DDouble::Normalize()
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{
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SetVectorLength( 1 );
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}
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inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const
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{
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return sqrt( GetDistanceSquare( pt ) );
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}
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inline wxDouble wxPoint2DDouble::GetDistanceSquare( const wxPoint2DDouble &pt ) const
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{
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return ( (pt.m_x-m_x)*(pt.m_x-m_x) + (pt.m_y-m_y)*(pt.m_y-m_y) );
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}
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inline wxDouble wxPoint2DDouble::GetDotProduct( const wxPoint2DDouble &vec ) const
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{
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return ( m_x * vec.m_x + m_y * vec.m_y );
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}
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inline wxDouble wxPoint2DDouble::GetCrossProduct( const wxPoint2DDouble &vec ) const
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{
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return ( m_x * vec.m_y - vec.m_x * m_y );
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}
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inline wxPoint2DDouble wxPoint2DDouble::operator-()
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{
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return wxPoint2DDouble( -m_x, -m_y);
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}
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inline wxPoint2DDouble& wxPoint2DDouble::operator=(const wxPoint2DDouble& pt)
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{
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if (this != &pt)
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{
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m_x = pt.m_x;
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m_y = pt.m_y;
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}
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return *this;
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}
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inline wxPoint2DDouble& wxPoint2DDouble::operator+=(const wxPoint2DDouble& pt)
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{
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m_x = m_x + pt.m_x;
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m_y = m_y + pt.m_y;
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return *this;
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}
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inline wxPoint2DDouble& wxPoint2DDouble::operator-=(const wxPoint2DDouble& pt)
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{
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m_x = m_x - pt.m_x;
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m_y = m_y - pt.m_y;
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return *this;
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}
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inline wxPoint2DDouble& wxPoint2DDouble::operator*=(const wxPoint2DDouble& pt)
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{
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m_x = m_x * pt.m_x;
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m_y = m_y * pt.m_y;
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return *this;
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}
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inline wxPoint2DDouble& wxPoint2DDouble::operator/=(const wxPoint2DDouble& pt)
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{
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m_x = m_x / pt.m_x;
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m_y = m_y / pt.m_y;
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return *this;
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}
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inline bool wxPoint2DDouble::operator==(const wxPoint2DDouble& pt) const
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{
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return wxIsSameDouble(m_x, pt.m_x) && wxIsSameDouble(m_y, pt.m_y);
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}
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inline bool wxPoint2DDouble::operator!=(const wxPoint2DDouble& pt) const
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{
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return !(*this == pt);
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}
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inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
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{
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return wxPoint2DDouble( pt1.m_x + pt2.m_x , pt1.m_y + pt2.m_y );
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}
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inline wxPoint2DDouble operator-(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
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{
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return wxPoint2DDouble( pt1.m_x - pt2.m_x , pt1.m_y - pt2.m_y );
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}
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inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
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{
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return wxPoint2DDouble( pt1.m_x * pt2.m_x , pt1.m_y * pt2.m_y );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator*(wxDouble n , const wxPoint2DDouble& pt)
|
|
{
|
|
return wxPoint2DDouble( pt.m_x * n , pt.m_y * n );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt)
|
|
{
|
|
return wxPoint2DDouble( pt.m_x * n , pt.m_y * n );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n)
|
|
{
|
|
return wxPoint2DDouble( pt.m_x * n , pt.m_y * n );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n)
|
|
{
|
|
return wxPoint2DDouble( pt.m_x * n , pt.m_y * n );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
|
|
{
|
|
return wxPoint2DDouble( pt1.m_x / pt2.m_x , pt1.m_y / pt2.m_y );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxDouble n)
|
|
{
|
|
return wxPoint2DDouble( pt.m_x / n , pt.m_y / n );
|
|
}
|
|
|
|
inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n)
|
|
{
|
|
return wxPoint2DDouble( pt.m_x / n , pt.m_y / 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 WXDLLIMPEXP_CORE wxRect2DDouble
|
|
{
|
|
public:
|
|
wxRect2DDouble()
|
|
{ m_x = m_y = m_width = m_height = 0; }
|
|
wxRect2DDouble(wxDouble x, wxDouble y, wxDouble w, wxDouble h)
|
|
{ m_x = x; m_y = y; m_width = w; m_height = h; }
|
|
/*
|
|
wxRect2DDouble(const wxPoint2DDouble& topLeft, const wxPoint2DDouble& bottomRight);
|
|
wxRect2DDouble(const wxPoint2DDouble& pos, const wxSize& size);
|
|
wxRect2DDouble(const wxRect2DDouble& rect);
|
|
*/
|
|
// single attribute accessors
|
|
|
|
wxPoint2DDouble GetPosition() const
|
|
{ return wxPoint2DDouble(m_x, m_y); }
|
|
wxSize GetSize() const
|
|
{ return wxSize((int) m_width, (int) m_height); }
|
|
|
|
// 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; }
|
|
inline void MoveLeftTo( wxDouble n ) { m_x = n; }
|
|
inline wxDouble GetTop() const { return m_y; }
|
|
inline void SetTop( wxDouble n ) { m_height += m_y - n; m_y = n; }
|
|
inline void MoveTopTo( wxDouble n ) { m_y = n; }
|
|
inline wxDouble GetBottom() const { return m_y + m_height; }
|
|
inline void SetBottom( wxDouble n ) { m_height += n - (m_y+m_height);}
|
|
inline void MoveBottomTo( wxDouble n ) { m_y = n - m_height; }
|
|
inline wxDouble GetRight() const { return m_x + m_width; }
|
|
inline void SetRight( wxDouble n ) { m_width += n - (m_x+m_width) ; }
|
|
inline void MoveRightTo( wxDouble n ) { m_x = n - m_width; }
|
|
|
|
inline wxPoint2DDouble GetLeftTop() const
|
|
{ return wxPoint2DDouble( m_x , m_y ); }
|
|
inline void SetLeftTop( const wxPoint2DDouble &pt )
|
|
{ m_width += m_x - pt.m_x; m_height += m_y - pt.m_y; m_x = pt.m_x; m_y = pt.m_y; }
|
|
inline void MoveLeftTopTo( const wxPoint2DDouble &pt )
|
|
{ m_x = pt.m_x; m_y = pt.m_y; }
|
|
inline wxPoint2DDouble GetLeftBottom() const
|
|
{ return wxPoint2DDouble( m_x , m_y + m_height ); }
|
|
inline void SetLeftBottom( const wxPoint2DDouble &pt )
|
|
{ m_width += m_x - pt.m_x; m_height += pt.m_y - (m_y+m_height) ; m_x = pt.m_x; }
|
|
inline void MoveLeftBottomTo( const wxPoint2DDouble &pt )
|
|
{ m_x = pt.m_x; m_y = pt.m_y - m_height; }
|
|
inline wxPoint2DDouble GetRightTop() const
|
|
{ return wxPoint2DDouble( m_x+m_width , m_y ); }
|
|
inline void SetRightTop( const wxPoint2DDouble &pt )
|
|
{ m_width += pt.m_x - ( m_x + m_width ); m_height += m_y - pt.m_y; m_y = pt.m_y; }
|
|
inline void MoveRightTopTo( const wxPoint2DDouble &pt )
|
|
{ m_x = pt.m_x - m_width; m_y = pt.m_y; }
|
|
inline wxPoint2DDouble GetRightBottom() const
|
|
{ return wxPoint2DDouble( m_x+m_width , m_y + m_height ); }
|
|
inline void SetRightBottom( const wxPoint2DDouble &pt )
|
|
{ m_width += pt.m_x - ( m_x + m_width ); m_height += pt.m_y - (m_y+m_height);}
|
|
inline void MoveRightBottomTo( const wxPoint2DDouble &pt )
|
|
{ m_x = pt.m_x - m_width; m_y = pt.m_y - m_height; }
|
|
inline wxPoint2DDouble GetCentre() const
|
|
{ return wxPoint2DDouble( m_x+m_width/2 , m_y+m_height/2 ); }
|
|
inline void SetCentre( const wxPoint2DDouble &pt )
|
|
{ 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
|
|
{ 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 wxPoint2DDouble &pt) const
|
|
{ return GetOutCode(pt) ; }
|
|
inline bool Contains( const wxPoint2DDouble &pt ) const
|
|
{ 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; }
|
|
inline bool HaveEqualSize( const wxRect2DDouble &rect ) const
|
|
{ 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; }
|
|
inline void Inset( wxDouble left , wxDouble top ,wxDouble right , wxDouble bottom )
|
|
{ m_x += left; m_y += top; m_width -= left + right; m_height -= top + bottom;}
|
|
inline void Offset( const wxPoint2DDouble &pt )
|
|
{ m_x += pt.m_x; m_y += pt.m_y; }
|
|
|
|
void ConstrainTo( const wxRect2DDouble &rect );
|
|
|
|
inline wxPoint2DDouble Interpolate( wxInt32 widthfactor , wxInt32 heightfactor )
|
|
{ return wxPoint2DDouble( m_x + m_width * widthfactor , m_y + m_height * heightfactor ); }
|
|
|
|
static void Intersect( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest );
|
|
inline void Intersect( const wxRect2DDouble &otherRect )
|
|
{ Intersect( *this , otherRect , this ); }
|
|
inline wxRect2DDouble CreateIntersection( const wxRect2DDouble &otherRect ) const
|
|
{ wxRect2DDouble result; Intersect( *this , otherRect , &result); return result; }
|
|
bool Intersects( const wxRect2DDouble &rect ) const;
|
|
|
|
static void Union( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest );
|
|
void Union( const wxRect2DDouble &otherRect )
|
|
{ Union( *this , otherRect , this ); }
|
|
void Union( const wxPoint2DDouble &pt );
|
|
inline wxRect2DDouble CreateUnion( const wxRect2DDouble &otherRect ) const
|
|
{ wxRect2DDouble result; Union( *this , otherRect , &result); return result; }
|
|
|
|
inline void Scale( wxDouble f )
|
|
{ m_x *= f; m_y *= f; m_width *= f; m_height *= f;}
|
|
inline void Scale( wxInt32 num , wxInt32 denum )
|
|
{ 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);
|
|
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;
|
|
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 WXDLLIMPEXP_CORE wxRect2DInt
|
|
{
|
|
public:
|
|
wxRect2DInt() { m_x = m_y = m_width = m_height = 0; }
|
|
wxRect2DInt( const wxRect& r ) { m_x = r.x ; m_y = r.y ; m_width = r.width ; m_height = r.height ; }
|
|
wxRect2DInt(wxInt32 x, wxInt32 y, wxInt32 w, wxInt32 h) { m_x = x; m_y = y; m_width = w; m_height = h; }
|
|
wxRect2DInt(const wxPoint2DInt& topLeft, const wxPoint2DInt& bottomRight);
|
|
inline wxRect2DInt(const wxPoint2DInt& pos, const wxSize& size);
|
|
inline wxRect2DInt(const wxRect2DInt& rect);
|
|
|
|
// single attribute accessors
|
|
|
|
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 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 void MoveLeftTo( wxInt32 n ) { m_x = n; }
|
|
inline wxInt32 GetTop() const { return m_y; }
|
|
inline void SetTop( wxInt32 n ) { m_height += m_y - n; m_y = n; }
|
|
inline void MoveTopTo( wxInt32 n ) { m_y = n; }
|
|
inline wxInt32 GetBottom() const { return m_y + m_height; }
|
|
inline void SetBottom( wxInt32 n ) { m_height += n - (m_y+m_height);}
|
|
inline void MoveBottomTo( wxInt32 n ) { m_y = n - m_height; }
|
|
inline wxInt32 GetRight() const { return m_x + m_width; }
|
|
inline void SetRight( wxInt32 n ) { m_width += n - (m_x+m_width) ; }
|
|
inline void MoveRightTo( wxInt32 n ) { m_x = n - m_width; }
|
|
|
|
inline wxPoint2DInt GetLeftTop() const { return wxPoint2DInt( m_x , m_y ); }
|
|
inline void SetLeftTop( const wxPoint2DInt &pt ) { m_width += m_x - pt.m_x; m_height += m_y - pt.m_y; m_x = pt.m_x; m_y = pt.m_y; }
|
|
inline void MoveLeftTopTo( const wxPoint2DInt &pt ) { m_x = pt.m_x; m_y = pt.m_y; }
|
|
inline wxPoint2DInt GetLeftBottom() const { return wxPoint2DInt( m_x , m_y + m_height ); }
|
|
inline void SetLeftBottom( const wxPoint2DInt &pt ) { m_width += m_x - pt.m_x; m_height += pt.m_y - (m_y+m_height) ; m_x = pt.m_x; }
|
|
inline void MoveLeftBottomTo( const wxPoint2DInt &pt ) { m_x = pt.m_x; m_y = pt.m_y - m_height; }
|
|
inline wxPoint2DInt GetRightTop() const { return wxPoint2DInt( m_x+m_width , m_y ); }
|
|
inline void SetRightTop( const wxPoint2DInt &pt ) { m_width += pt.m_x - ( m_x + m_width ); m_height += m_y - pt.m_y; m_y = pt.m_y; }
|
|
inline void MoveRightTopTo( const wxPoint2DInt &pt ) { m_x = pt.m_x - m_width; m_y = pt.m_y; }
|
|
inline wxPoint2DInt GetRightBottom() const { return wxPoint2DInt( m_x+m_width , m_y + m_height ); }
|
|
inline void SetRightBottom( const wxPoint2DInt &pt ) { m_width += pt.m_x - ( m_x + m_width ); m_height += pt.m_y - (m_y+m_height);}
|
|
inline void MoveRightBottomTo( const wxPoint2DInt &pt ) { m_x = pt.m_x - m_width; m_y = pt.m_y - m_height; }
|
|
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
|
|
{ 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; }
|
|
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 ) ) ); }
|
|
inline bool IsEmpty() const
|
|
{ return ( m_width <= 0 || m_height <= 0 ); }
|
|
inline bool HaveEqualSize( const wxRect2DInt &rect ) const
|
|
{ return ( rect.m_width == m_width && rect.m_height == m_height ); }
|
|
|
|
inline void Inset( wxInt32 x , wxInt32 y ) { m_x += x; m_y += y; m_width -= 2 * x; m_height -= 2 * y; }
|
|
inline void Inset( wxInt32 left , wxInt32 top ,wxInt32 right , wxInt32 bottom )
|
|
{ m_x += left; m_y += top; m_width -= left + right; m_height -= top + bottom;}
|
|
inline void Offset( const wxPoint2DInt &pt ) { m_x += pt.m_x; m_y += pt.m_y; }
|
|
void ConstrainTo( const wxRect2DInt &rect );
|
|
inline wxPoint2DInt Interpolate( wxInt32 widthfactor , wxInt32 heightfactor ) { return wxPoint2DInt( m_x + m_width * widthfactor , m_y + m_height * heightfactor ); }
|
|
|
|
static void Intersect( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest );
|
|
inline void Intersect( const wxRect2DInt &otherRect ) { Intersect( *this , otherRect , this ); }
|
|
inline wxRect2DInt CreateIntersection( const wxRect2DInt &otherRect ) const { wxRect2DInt result; Intersect( *this , otherRect , &result); return result; }
|
|
bool Intersects( const wxRect2DInt &rect ) const;
|
|
|
|
static void Union( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest );
|
|
void Union( const wxRect2DInt &otherRect ) { Union( *this , otherRect , this ); }
|
|
void Union( const wxPoint2DInt &pt );
|
|
inline wxRect2DInt CreateUnion( const wxRect2DInt &otherRect ) const { wxRect2DInt result; Union( *this , otherRect , &result); return result; }
|
|
|
|
inline void Scale( wxInt32 f ) { m_x *= f; m_y *= f; m_width *= f; m_height *= f;}
|
|
inline void Scale( wxInt32 num , wxInt32 denum )
|
|
{ m_x *= ((wxInt32)num)/((wxInt32)denum); m_y *= ((wxInt32)num)/((wxInt32)denum);
|
|
m_width *= ((wxInt32)num)/((wxInt32)denum); m_height *= ((wxInt32)num)/((wxInt32)denum);}
|
|
|
|
wxRect2DInt& operator = (const wxRect2DInt& rect);
|
|
bool operator == (const wxRect2DInt& rect) const;
|
|
bool operator != (const wxRect2DInt& rect) const;
|
|
|
|
#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;
|
|
};
|
|
|
|
inline wxRect2DInt::wxRect2DInt( const wxRect2DInt &r )
|
|
{
|
|
m_x = r.m_x;
|
|
m_y = r.m_y;
|
|
m_width = r.m_width;
|
|
m_height = r.m_height;
|
|
}
|
|
|
|
inline wxRect2DInt::wxRect2DInt( const wxPoint2DInt &a , const wxPoint2DInt &b)
|
|
{
|
|
m_x = wxMin( a.m_x , b.m_x );
|
|
m_y = wxMin( a.m_y , b.m_y );
|
|
m_width = abs( a.m_x - b.m_x );
|
|
m_height = abs( a.m_y - b.m_y );
|
|
}
|
|
|
|
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 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 ;
|
|
};
|
|
|
|
|
|
#endif // wxUSE_GEOMETRY
|
|
|
|
#endif // _WX_GEOMETRY_H_
|