72e7876ba5
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4803 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
740 lines
28 KiB
C++
740 lines
28 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: 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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// RCS-ID:
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// Copyright: (c)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GEOMETRY__
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#define _WX_GEOMETRY__
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#ifdef __GNUG__
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#pragma interface "geometry.h"
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#endif
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#ifdef __WXMSW__
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#define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c )
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#elif defined( __WXMAC__ )
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#include "Math64.h"
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#define wxMulDivInt32( a , b , c ) S32Set( S64Div( S64Multiply( S64Set(a) , S64Set(b) ) , S64Set(c) ) )
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#else
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#define wxMulDivInt32( a , b , c ) ((wxInt32)((a)*(((wxDouble)b)/((wxDouble)c))))
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#endif
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class wxDataInputStream ;
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class 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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// wxPoint2Ds represent a point or a vector in a 2d coordinate system
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class WXDLLEXPORT wxPoint2DDouble
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{
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public :
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wxPoint2DDouble();
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wxPoint2DDouble( wxDouble x , wxDouble y ) ;
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wxPoint2DDouble( const wxPoint2DDouble &pt ) ;
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// two different conversions to integers, floor and rounding
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void GetFloor( wxInt32 *x , wxInt32 *y ) ;
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void GetRounded( wxInt32 *x , wxInt32 *y ) ;
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wxDouble GetVectorLength() ;
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wxDouble GetVectorAngle() ;
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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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wxDouble GetDistance( const wxPoint2DDouble &pt ) ;
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wxDouble GetDistanceSquare( const wxPoint2DDouble &pt ) ;
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wxDouble GetDotProduct( const wxPoint2DDouble &vec ) ;
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wxDouble GetCrossProduct( const wxPoint2DDouble &vec ) ;
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// the reflection of this point
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wxPoint2DDouble operator-() ;
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wxPoint2DDouble& operator=(const wxPoint2DDouble& pt) ;
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wxPoint2DDouble& operator+=(const wxPoint2DDouble& pt) ;
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wxPoint2DDouble& operator-=(const wxPoint2DDouble& pt) ;
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wxPoint2DDouble& operator*=(const wxPoint2DDouble& pt) ;
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wxPoint2DDouble& operator*=(wxDouble n) ;
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wxPoint2DDouble& operator*=(wxInt32 n) ;
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wxPoint2DDouble& operator/=(const wxPoint2DDouble& pt) ;
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wxPoint2DDouble& operator/=(wxDouble n) ;
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wxPoint2DDouble& operator/=(wxInt32 n) ;
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bool operator==(const wxPoint2DDouble& pt) const ;
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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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wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) ;
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wxPoint2DDouble operator-(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) ;
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wxPoint2DDouble operator*(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) ;
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wxPoint2DDouble operator*(wxDouble n , const wxPoint2DDouble& pt) ;
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wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt) ;
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wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n) ;
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wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n) ;
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wxPoint2DDouble operator/(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) ;
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wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxDouble n) ;
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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 )
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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 )
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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() ;
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inline void wxPoint2DDouble::SetVectorLength( wxDouble length ) ;
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inline wxDouble wxPoint2DDouble::GetVectorAngle() ;
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inline void wxPoint2DDouble::SetVectorAngle( wxDouble degrees ) ;
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inline void wxPoint2DDouble::SetPolarCoordinates( wxDouble angle , wxDouble length ) ;
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inline void wxPoint2DDouble::Normalize() ;
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inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt )
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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 )
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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 )
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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 )
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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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m_x = pt.m_x ;
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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 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 m_x == pt.m_x && 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 m_x != pt.m_x || m_y != pt.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 ) ;
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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*(wxDouble n , const wxPoint2DDouble& pt)
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{
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return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ) ;
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}
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inline wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt)
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{
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return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ) ;
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}
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inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n)
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{
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return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ) ;
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}
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inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n)
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{
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return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ) ;
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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& pt , wxDouble n)
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{
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return wxPoint2DDouble( pt.m_x / n , pt.m_y / n ) ;
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}
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inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n)
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{
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return wxPoint2DDouble( pt.m_x / n , pt.m_y / n ) ;
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}
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// 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
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// top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
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// left <= x < right and top <= m_y < bottom , thus it is a half open interval.
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class WXDLLEXPORT wxRect2DDouble
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{
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public:
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wxRect2DDouble() { m_x = m_y = m_width = m_height = 0 ; }
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wxRect2DDouble(wxDouble x, wxDouble y, wxDouble w, wxDouble h) { m_x = x ; m_y = y ; m_width = w ; m_height = h ; }
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wxRect2DDouble(const wxPoint2DDouble& topLeft, const wxPoint2DDouble& bottomRight);
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wxRect2DDouble(const wxPoint2DDouble& pos, const wxSize& size);
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wxRect2DDouble(const wxRect2DDouble& rect);
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// single attribute accessors
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inline wxPoint2DDouble GetPosition() { return wxPoint2DDouble(m_x, m_y); }
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inline wxSize GetSize() { return wxSize(m_width, m_height); }
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// for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their
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// position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately
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inline wxDouble GetLeft() const { return m_x; }
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inline void SetLeft( wxDouble n ) { m_width += m_x - n ; m_x = n ; }
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inline void MoveLeftTo( wxDouble n ) { m_x = n ; }
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inline wxDouble GetTop() const { return m_y; }
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inline void SetTop( wxDouble n ) { m_height += m_y - n ; m_y = n ; }
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inline void MoveTopTo( wxDouble n ) { m_y = n ; }
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inline wxDouble GetBottom() const { return m_y + m_height; }
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inline void SetBottom( wxDouble n ) { m_height += n - (m_y+m_height) ;}
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inline void MoveBottomTo( wxDouble n ) { m_y = n - m_height ; }
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inline wxDouble GetRight() const { return m_x + m_width; }
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inline void SetRight( wxDouble n ) { m_width += n - (m_x+m_width) ; }
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inline void MoveRightTo( wxDouble n ) { m_x = n - m_width ; }
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inline wxPoint2DDouble GetLeftTop() const { return wxPoint2DDouble( m_x , m_y ) ; }
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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 ; }
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inline void MoveLeftTopTo( const wxPoint2DDouble &pt ) { m_x = pt.m_x ; m_y = pt.m_y ; }
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inline wxPoint2DDouble GetLeftBottom() const { return wxPoint2DDouble( m_x , m_y + m_height ) ; }
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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 ; }
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inline void MoveLeftBottomTo( const wxPoint2DDouble &pt ) { m_x = pt.m_x ; m_y = pt.m_y - m_height; }
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inline wxPoint2DDouble GetRightTop() const { return wxPoint2DDouble( m_x+m_width , m_y ) ; }
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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 ; }
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inline void MoveRightTopTo( const wxPoint2DDouble &pt ) { m_x = pt.m_x - m_width ; m_y = pt.m_y ; }
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inline wxPoint2DDouble GetRightBottom() const { return wxPoint2DDouble( m_x+m_width , m_y + m_height ) ; }
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inline void SetRightBottom( const wxPoint2DDouble &pt ) { m_width += pt.m_x - ( m_x + m_width ) ; m_height += pt.m_y - (m_y+m_height) ;}
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inline void MoveRightBottomTo( const wxPoint2DDouble &pt ) { m_x = pt.m_x - m_width ; m_y = pt.m_y - m_height; }
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inline wxPoint2DDouble GetCentre() const { return wxPoint2DDouble( m_x+m_width/2 , m_y+m_height/2 ) ; }
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inline void SetCentre( const wxPoint2DDouble &pt ) { MoveCentreTo( pt ) ; } // since this is impossible without moving...
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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) ; }
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inline wxOutCode GetOutcode( const wxPoint2DDouble &pt ) const
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{ return (wxOutCode) (( ( pt.m_x < m_x ) ? wxOutLeft : 0 ) +
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( ( pt.m_x >= m_x + m_width ) ? wxOutRight : 0 ) +
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( ( pt.m_y < m_y ) ? wxOutTop : 0 ) +
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( ( pt.m_y >= m_y + m_height ) ? wxOutBottom : 0 )) ; }
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inline bool Contains( const wxPoint2DDouble &pt ) const
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{ return GetOutcode( pt ) == wxInside ; }
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inline bool Contains( const wxRect2DDouble &rect ) const
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{ return ( ( ( m_x <= rect.m_x ) && ( rect.m_x + rect.m_width <= m_x + m_width ) ) &&
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( ( m_y <= rect.m_y ) && ( rect.m_y + rect.m_height <= m_y + m_height ) ) ) ; }
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inline bool IsEmpty() const
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{ return ( m_width <= 0 || m_height <= 0 ) ; }
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inline bool HaveEqualSize( const wxRect2DDouble &rect ) const
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{ return ( rect.m_width == m_width && rect.m_height == m_height ) ; }
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inline void Inset( wxDouble x , wxDouble y ) { m_x += x ; m_y += y ; m_width -= 2 * x ; m_height -= 2 * y ; }
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inline void Inset( wxDouble left , wxDouble top ,wxDouble right , wxDouble bottom )
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{ m_x += left ; m_y += top ; m_width -= left + right ; m_height -= top + bottom ;}
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inline void Offset( const wxPoint2DDouble &pt ) { m_x += pt.m_x ; m_y += pt.m_y ; }
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void ConstrainTo( const wxRect2DDouble &rect ) ;
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inline wxPoint2DDouble Interpolate( wxInt32 widthfactor , wxInt32 heightfactor ) { return wxPoint2DDouble( m_x + m_width * widthfactor , m_y + m_height * heightfactor ) ; }
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static void Intersect( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest ) ;
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inline void Intersect( const wxRect2DDouble &otherRect ) { Intersect( *this , otherRect , this ) ; }
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inline wxRect2DDouble CreateIntersection( const wxRect2DDouble &otherRect ) const { wxRect2DDouble result ; Intersect( *this , otherRect , &result) ; return result ; }
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bool Intersects( const wxRect2DDouble &rect ) const ;
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static void Union( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest ) ;
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void Union( const wxRect2DDouble &otherRect ) { Union( *this , otherRect , this ) ; }
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void Union( const wxPoint2DDouble &pt ) ;
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inline wxRect2DDouble CreateUnion( const wxRect2DDouble &otherRect ) const { wxRect2DDouble result ; Union( *this , otherRect , &result) ; return result ; }
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inline void Scale( wxDouble f ) { m_x *= f ; m_y *= f ; m_width *= f ; m_height *= f ;}
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inline void Scale( wxInt32 num , wxInt32 denum )
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{ m_x *= ((wxDouble)num)/((wxDouble)denum) ; m_y *= ((wxDouble)num)/((wxDouble)denum) ;
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m_width *= ((wxDouble)num)/((wxDouble)denum) ; m_height *= ((wxDouble)num)/((wxDouble)denum) ;}
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wxRect2DDouble& operator = (const wxRect2DDouble& rect);
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bool operator == (const wxRect2DDouble& rect);
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bool operator != (const wxRect2DDouble& rect);
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wxDouble m_x ;
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wxDouble m_y ;
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wxDouble m_width;
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wxDouble m_height;
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};
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class WXDLLEXPORT wxPoint2DInt
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{
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public :
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wxPoint2DInt();
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wxPoint2DInt( wxInt32 x , wxInt32 y ) ;
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wxPoint2DInt( const wxPoint2DInt &pt ) ;
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wxPoint2DInt( const wxPoint &pt ) ;
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// two different conversions to integers, floor and rounding
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void GetFloor( wxInt32 *x , wxInt32 *y ) ;
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void GetRounded( wxInt32 *x , wxInt32 *y ) ;
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wxDouble GetVectorLength() ;
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wxDouble GetVectorAngle() ;
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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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void Normalize() ;
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wxDouble GetDistance( const wxPoint2DInt &pt ) const ;
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wxDouble GetDistanceSquare( const wxPoint2DInt &pt ) const;
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wxInt32 GetDotProduct( const wxPoint2DInt &vec ) const;
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wxInt32 GetCrossProduct( const wxPoint2DInt &vec ) const;
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// the reflection of this point
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wxPoint2DInt operator-() ;
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wxPoint2DInt& operator=(const wxPoint2DInt& pt) ;
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wxPoint2DInt& operator+=(const wxPoint2DInt& pt) ;
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wxPoint2DInt& operator-=(const wxPoint2DInt& pt) ;
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wxPoint2DInt& operator*=(const wxPoint2DInt& pt) ;
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wxPoint2DInt& operator*=(wxDouble n) ;
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wxPoint2DInt& operator*=(wxInt32 n) ;
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wxPoint2DInt& operator/=(const wxPoint2DInt& pt) ;
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wxPoint2DInt& operator/=(wxDouble n) ;
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wxPoint2DInt& operator/=(wxInt32 n) ;
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operator wxPoint() const ;
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bool operator==(const wxPoint2DInt& pt) const ;
|
|
bool operator!=(const wxPoint2DInt& pt) const ;
|
|
|
|
void WriteTo( wxDataOutputStream &stream ) const ;
|
|
void ReadFrom( wxDataInputStream &stream ) ;
|
|
|
|
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::wxPoint2DInt()
|
|
{
|
|
m_x = 0.0 ;
|
|
m_y = 0.0 ;
|
|
}
|
|
|
|
inline wxPoint2DInt::wxPoint2DInt( wxInt32 x , wxInt32 y )
|
|
{
|
|
m_x = x ;
|
|
m_y = y ;
|
|
}
|
|
|
|
inline wxPoint2DInt::wxPoint2DInt( const wxPoint2DInt &pt )
|
|
{
|
|
m_x = pt.m_x ;
|
|
m_y = pt.m_y ;
|
|
}
|
|
|
|
inline wxPoint2DInt::wxPoint2DInt( const wxPoint &pt )
|
|
{
|
|
m_x = pt.x ;
|
|
m_y = pt.y ;
|
|
}
|
|
|
|
inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y )
|
|
{
|
|
*x = (wxInt32) floor( m_x ) ;
|
|
*y = (wxInt32) floor( m_y ) ;
|
|
}
|
|
|
|
inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y )
|
|
{
|
|
*x = (wxInt32) floor( m_x + 0.5 ) ;
|
|
*y = (wxInt32) floor( m_y + 0.5) ;
|
|
}
|
|
|
|
inline wxDouble wxPoint2DInt::GetVectorLength()
|
|
{
|
|
return sqrt( (m_x)*(m_x) + (m_y)*(m_y) ) ;
|
|
}
|
|
|
|
inline void wxPoint2DInt::SetVectorLength( wxDouble length )
|
|
{
|
|
wxDouble before = GetVectorLength() ;
|
|
m_x *= length / before ;
|
|
m_y *= length / before ;
|
|
}
|
|
|
|
inline void wxPoint2DInt::SetPolarCoordinates( wxInt32 angle , wxInt32 length ) ;
|
|
inline void wxPoint2DInt::Normalize()
|
|
{
|
|
SetVectorLength( 1 ) ;
|
|
}
|
|
|
|
inline wxDouble wxPoint2DInt::GetDistance( const wxPoint2DInt &pt ) const
|
|
{
|
|
return sqrt( GetDistanceSquare( pt ) );
|
|
}
|
|
|
|
inline wxDouble wxPoint2DInt::GetDistanceSquare( const wxPoint2DInt &pt ) const
|
|
{
|
|
return ( (pt.m_x-m_x)*(pt.m_x-m_x) + (pt.m_y-m_y)*(pt.m_y-m_y) ) ;
|
|
}
|
|
|
|
inline wxInt32 wxPoint2DInt::GetDotProduct( const wxPoint2DInt &vec ) const
|
|
{
|
|
return ( m_x * vec.m_x + m_y * vec.m_y ) ;
|
|
}
|
|
|
|
inline wxInt32 wxPoint2DInt::GetCrossProduct( const wxPoint2DInt &vec ) const
|
|
{
|
|
return ( m_x * vec.m_y - vec.m_x * m_y ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt::operator wxPoint() const
|
|
{
|
|
return wxPoint( m_x, m_y);
|
|
}
|
|
|
|
inline wxPoint2DInt wxPoint2DInt::operator-()
|
|
{
|
|
return wxPoint2DInt( -m_x, -m_y);
|
|
}
|
|
|
|
inline wxPoint2DInt& wxPoint2DInt::operator=(const wxPoint2DInt& pt)
|
|
{
|
|
m_x = pt.m_x ;
|
|
m_y = pt.m_y;
|
|
return *this ;
|
|
}
|
|
|
|
inline wxPoint2DInt& wxPoint2DInt::operator+=(const wxPoint2DInt& pt)
|
|
{
|
|
m_x = m_x + pt.m_x ;
|
|
m_y = m_y + pt.m_y;
|
|
return *this ;
|
|
}
|
|
|
|
inline wxPoint2DInt& wxPoint2DInt::operator-=(const wxPoint2DInt& pt)
|
|
{
|
|
m_x = m_x - pt.m_x ;
|
|
m_y = m_y - pt.m_y;
|
|
return *this ;
|
|
}
|
|
|
|
inline wxPoint2DInt& wxPoint2DInt::operator*=(const wxPoint2DInt& pt)
|
|
{
|
|
m_x = m_x + pt.m_x ;
|
|
m_y = m_y + pt.m_y;
|
|
return *this ;
|
|
}
|
|
|
|
inline wxPoint2DInt& wxPoint2DInt::operator/=(const wxPoint2DInt& pt)
|
|
{
|
|
m_x = m_x - pt.m_x ;
|
|
m_y = m_y - pt.m_y;
|
|
return *this ;
|
|
}
|
|
|
|
inline bool wxPoint2DInt::operator==(const wxPoint2DInt& pt) const
|
|
{
|
|
return m_x == pt.m_x && m_y == pt.m_y;
|
|
}
|
|
|
|
inline bool wxPoint2DInt::operator!=(const wxPoint2DInt& pt) const
|
|
{
|
|
return m_x != pt.m_x || m_y != pt.m_y;
|
|
}
|
|
|
|
inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
|
|
{
|
|
return wxPoint2DInt( pt1.m_x + pt2.m_x , pt1.m_y + pt2.m_y ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
|
|
{
|
|
return wxPoint2DInt( pt1.m_x - pt2.m_x , pt1.m_y - pt2.m_y ) ;
|
|
}
|
|
|
|
|
|
inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
|
|
{
|
|
return wxPoint2DInt( pt1.m_x * pt2.m_x , pt1.m_y * pt2.m_y ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt)
|
|
{
|
|
return wxPoint2DInt( pt.m_x * n , pt.m_y * n ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator*(wxDouble n , const wxPoint2DInt& pt)
|
|
{
|
|
return wxPoint2DInt( pt.m_x * n , pt.m_y * n ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n)
|
|
{
|
|
return wxPoint2DInt( pt.m_x * n , pt.m_y * n ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxDouble n)
|
|
{
|
|
return wxPoint2DInt( pt.m_x * n , pt.m_y * n ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
|
|
{
|
|
return wxPoint2DInt( pt1.m_x / pt2.m_x , pt1.m_y / pt2.m_y ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n)
|
|
{
|
|
return wxPoint2DInt( pt.m_x / n , pt.m_y / n ) ;
|
|
}
|
|
|
|
inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxDouble n)
|
|
{
|
|
return wxPoint2DInt( 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 WXDLLEXPORT wxRect2DInt
|
|
{
|
|
public:
|
|
wxRect2DInt() { m_x = m_y = m_width = m_height = 0 ; }
|
|
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);
|
|
wxRect2DInt(const wxPoint2DInt& pos, const wxSize& size);
|
|
wxRect2DInt(const wxRect2DInt& rect);
|
|
|
|
// single attribute accessors
|
|
|
|
inline wxPoint2DInt GetPosition() { return wxPoint2DInt(m_x, m_y); }
|
|
inline wxSize GetSize() { 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
|
|
|
|
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 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);
|
|
bool operator != (const wxRect2DInt& rect);
|
|
|
|
void WriteTo( wxDataOutputStream &stream ) const ;
|
|
void ReadFrom( wxDataInputStream &stream ) ;
|
|
|
|
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 ) ;
|
|
}
|
|
|
|
class wxTransform2D
|
|
{
|
|
public :
|
|
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 ;
|
|
} ;
|
|
|
|
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
|