/////////////////////////////////////////////////////////////////////////////
-// Name: geometry.h
+// Name: src/common/geometry.cpp
// Purpose: Common Geometry Classes
// Author: Stefan Csomor
// Modified by:
// Created: 08/05/99
-// RCS-ID:
-// Copyright: (c)
-// Licence: wxWindows licence
+// Copyright: (c) 1999 Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma interface "geometry.h"
-#endif
-
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#include "wx/log.h"
-#include <string.h>
-
+#if wxUSE_GEOMETRY
#include "wx/geometry.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+#endif
+
+#include <string.h>
+
#include "wx/datstrm.h"
//
// for the following calculations always remember
// that the right and bottom edges are not part of a rect
-
+
bool wxRect2DDouble::Intersects( const wxRect2DDouble &rect ) const
{
- wxDouble left,right,bottom,top ;
- left = wxMax ( m_x , rect.m_x ) ;
- right = wxMin ( m_x+m_width, rect.m_x + rect.m_width ) ;
- top = wxMax ( m_y , rect.m_y ) ;
- bottom = wxMin ( m_y+m_height, rect.m_y + rect.m_height ) ;
-
- if ( left < right && top < bottom )
- {
- return TRUE ;
- }
- return FALSE ;
+ wxDouble left,right,bottom,top;
+ left = wxMax ( m_x , rect.m_x );
+ right = wxMin ( m_x+m_width, rect.m_x + rect.m_width );
+ top = wxMax ( m_y , rect.m_y );
+ bottom = wxMin ( m_y+m_height, rect.m_y + rect.m_height );
+
+ if ( left < right && top < bottom )
+ {
+ return true;
+ }
+ return false;
}
-void wxRect2DDouble::Intersect( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest )
+void wxRect2DDouble::Intersect( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest )
{
- wxDouble left,right,bottom,top ;
- left = wxMax ( src1.m_x , src2.m_x ) ;
- right = wxMin ( src1.m_x+src1.m_width, src2.m_x + src2.m_width ) ;
- top = wxMax ( src1.m_y , src2.m_y ) ;
- bottom = wxMin ( src1.m_y+src1.m_height, src2.m_y + src2.m_height ) ;
-
- if ( left < right && top < bottom )
- {
- dest->m_x = left ;
- dest->m_y = top ;
- dest->m_width = right - left ;
- dest->m_height = bottom - top ;
- }
- else
- {
- dest->m_width = dest->m_height = 0 ;
- }
+ wxDouble left,right,bottom,top;
+ left = wxMax ( src1.m_x , src2.m_x );
+ right = wxMin ( src1.m_x+src1.m_width, src2.m_x + src2.m_width );
+ top = wxMax ( src1.m_y , src2.m_y );
+ bottom = wxMin ( src1.m_y+src1.m_height, src2.m_y + src2.m_height );
+
+ if ( left < right && top < bottom )
+ {
+ dest->m_x = left;
+ dest->m_y = top;
+ dest->m_width = right - left;
+ dest->m_height = bottom - top;
+ }
+ else
+ {
+ dest->m_width = dest->m_height = 0;
+ }
}
-void wxRect2DDouble::Union( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest )
+void wxRect2DDouble::Union( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest )
{
- wxDouble left,right,bottom,top ;
-
- left = wxMin ( src1.m_x , src2.m_x ) ;
- right = wxMax ( src1.m_x+src1.m_width, src2.m_x + src2.m_width ) ;
- top = wxMin ( src1.m_y , src2.m_y ) ;
- bottom = wxMax ( src1.m_y+src1.m_height, src2.m_y + src2.m_height ) ;
-
- dest->m_x = left ;
- dest->m_y = top ;
- dest->m_width = right - left ;
- dest->m_height = bottom - top ;
+ wxDouble left,right,bottom,top;
+
+ left = wxMin ( src1.m_x , src2.m_x );
+ right = wxMax ( src1.m_x+src1.m_width, src2.m_x + src2.m_width );
+ top = wxMin ( src1.m_y , src2.m_y );
+ bottom = wxMax ( src1.m_y+src1.m_height, src2.m_y + src2.m_height );
+
+ dest->m_x = left;
+ dest->m_y = top;
+ dest->m_width = right - left;
+ dest->m_height = bottom - top;
}
-void wxRect2DDouble::Union( const wxPoint2DDouble &pt )
+void wxRect2DDouble::Union( const wxPoint2DDouble &pt )
{
- wxDouble x = pt.m_x ;
- wxDouble y = pt.m_y ;
-
- if ( x < m_x )
- {
- SetLeft( x ) ;
- }
- else if ( x < m_x + m_width )
- {
- // contained
- }
- else
- {
- SetRight( x ) ;
- }
-
- if ( y < m_y )
- {
- SetTop( y ) ;
- }
- else if ( y < m_y + m_height )
- {
- // contained
- }
- else
- {
- SetBottom( y ) ;
- }
+ wxDouble x = pt.m_x;
+ wxDouble y = pt.m_y;
+
+ if ( x < m_x )
+ {
+ SetLeft( x );
+ }
+ else if ( x < m_x + m_width )
+ {
+ // contained
+ }
+ else
+ {
+ SetRight( x );
+ }
+
+ if ( y < m_y )
+ {
+ SetTop( y );
+ }
+ else if ( y < m_y + m_height )
+ {
+ // contained
+ }
+ else
+ {
+ SetBottom( y );
+ }
}
void wxRect2DDouble::ConstrainTo( const wxRect2DDouble &rect )
{
- if ( GetLeft() < rect.GetLeft() )
- SetLeft( rect.GetLeft() ) ;
-
- if ( GetRight() > rect.GetRight() )
- SetRight( rect.GetRight() ) ;
+ if ( GetLeft() < rect.GetLeft() )
+ SetLeft( rect.GetLeft() );
+
+ if ( GetRight() > rect.GetRight() )
+ SetRight( rect.GetRight() );
- if ( GetBottom() > rect.GetBottom() )
- SetBottom( rect.GetBottom() ) ;
+ if ( GetBottom() > rect.GetBottom() )
+ SetBottom( rect.GetBottom() );
- if ( GetTop() < rect.GetTop() )
- SetTop( rect.GetTop() ) ;
+ if ( GetTop() < rect.GetTop() )
+ SetTop( rect.GetTop() );
+}
+
+wxRect2DDouble& wxRect2DDouble::operator=( const wxRect2DDouble &r )
+{
+ m_x = r.m_x;
+ m_y = r.m_y;
+ m_width = r.m_width;
+ m_height = r.m_height;
+ return *this;
}
// integer version
// for the following calculations always remember
// that the right and bottom edges are not part of a rect
-
+
// wxPoint2D
+#if wxUSE_STREAMS
void wxPoint2DInt::WriteTo( wxDataOutputStream &stream ) const
-{
- stream.Write32( m_x ) ;
- stream.Write32( m_y ) ;
+{
+ stream.Write32( m_x );
+ stream.Write32( m_y );
+}
+
+void wxPoint2DInt::ReadFrom( wxDataInputStream &stream )
+{
+ m_x = stream.Read32();
+ m_y = stream.Read32();
+}
+#endif // wxUSE_STREAMS
+
+wxDouble wxPoint2DInt::GetVectorAngle() const
+{
+ if ( m_x == 0 )
+ {
+ if ( m_y >= 0 )
+ return 90;
+ else
+ return 270;
+ }
+ if ( m_y == 0 )
+ {
+ if ( m_x >= 0 )
+ return 0;
+ else
+ return 180;
+ }
+
+ // casts needed for MIPSpro compiler under SGI
+ wxDouble deg = atan2( (double)m_y , (double)m_x ) * 180 / M_PI;
+ if ( deg < 0 )
+ {
+ deg += 360;
+ }
+ return deg;
+}
+
+
+void wxPoint2DInt::SetVectorAngle( wxDouble degrees )
+{
+ wxDouble length = GetVectorLength();
+ m_x = (int)(length * cos( degrees / 180 * M_PI ));
+ m_y = (int)(length * sin( degrees / 180 * M_PI ));
}
-void wxPoint2DInt::ReadFrom( wxDataInputStream &stream )
-{
- m_x = stream.Read32() ;
- m_y = stream.Read32() ;
+wxDouble wxPoint2DDouble::GetVectorAngle() const
+{
+ if ( wxIsNullDouble(m_x) )
+ {
+ if ( m_y >= 0 )
+ return 90;
+ else
+ return 270;
+ }
+ if ( wxIsNullDouble(m_y) )
+ {
+ if ( m_x >= 0 )
+ return 0;
+ else
+ return 180;
+ }
+ wxDouble deg = atan2( m_y , m_x ) * 180 / M_PI;
+ if ( deg < 0 )
+ {
+ deg += 360;
+ }
+ return deg;
}
-wxDouble wxPoint2DInt::GetVectorAngle()
+void wxPoint2DDouble::SetVectorAngle( wxDouble degrees )
{
- if ( m_x == 0 )
- {
- if ( m_y >= 0 )
- return 90 ;
- else
- return 270 ;
- }
- if ( m_y == 0 )
- {
- if ( m_x >= 0 )
- return 0 ;
- else
- return 180 ;
- }
- wxDouble deg = atan2( m_y , m_x ) * 180 / 3.14159265359 ;
- if ( deg < 0 )
- {
- deg += 360 ;
- }
- return deg ;
+ wxDouble length = GetVectorLength();
+ m_x = length * cos( degrees / 180 * M_PI );
+ m_y = length * sin( degrees / 180 * M_PI );
}
-
// wxRect2D
-
+
bool wxRect2DInt::Intersects( const wxRect2DInt &rect ) const
{
- wxInt32 left,right,bottom,top ;
- left = wxMax ( m_x , rect.m_x ) ;
- right = wxMin ( m_x+m_width, rect.m_x + rect.m_width ) ;
- top = wxMax ( m_y , rect.m_y ) ;
- bottom = wxMin ( m_y+m_height, rect.m_y + rect.m_height ) ;
-
- if ( left < right && top < bottom )
- {
- return TRUE ;
- }
- return FALSE ;
+ wxInt32 left,right,bottom,top;
+ left = wxMax ( m_x , rect.m_x );
+ right = wxMin ( m_x+m_width, rect.m_x + rect.m_width );
+ top = wxMax ( m_y , rect.m_y );
+ bottom = wxMin ( m_y+m_height, rect.m_y + rect.m_height );
+
+ if ( left < right && top < bottom )
+ {
+ return true;
+ }
+ return false;
}
-void wxRect2DInt::Intersect( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest )
+void wxRect2DInt::Intersect( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest )
{
- wxInt32 left,right,bottom,top ;
- left = wxMax ( src1.m_x , src2.m_x ) ;
- right = wxMin ( src1.m_x+src1.m_width, src2.m_x + src2.m_width ) ;
- top = wxMax ( src1.m_y , src2.m_y ) ;
- bottom = wxMin ( src1.m_y+src1.m_height, src2.m_y + src2.m_height ) ;
-
- if ( left < right && top < bottom )
- {
- dest->m_x = left ;
- dest->m_y = top ;
- dest->m_width = right - left ;
- dest->m_height = bottom - top ;
- }
- else
- {
- dest->m_width = dest->m_height = 0 ;
- }
+ wxInt32 left,right,bottom,top;
+ left = wxMax ( src1.m_x , src2.m_x );
+ right = wxMin ( src1.m_x+src1.m_width, src2.m_x + src2.m_width );
+ top = wxMax ( src1.m_y , src2.m_y );
+ bottom = wxMin ( src1.m_y+src1.m_height, src2.m_y + src2.m_height );
+
+ if ( left < right && top < bottom )
+ {
+ dest->m_x = left;
+ dest->m_y = top;
+ dest->m_width = right - left;
+ dest->m_height = bottom - top;
+ }
+ else
+ {
+ dest->m_width = dest->m_height = 0;
+ }
}
-void wxRect2DInt::Union( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest )
+void wxRect2DInt::Union( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest )
{
- wxInt32 left,right,bottom,top ;
-
- left = wxMin ( src1.m_x , src2.m_x ) ;
- right = wxMax ( src1.m_x+src1.m_width, src2.m_x + src2.m_width ) ;
- top = wxMin ( src1.m_y , src2.m_y ) ;
- bottom = wxMax ( src1.m_y+src1.m_height, src2.m_y + src2.m_height ) ;
-
- dest->m_x = left ;
- dest->m_y = top ;
- dest->m_width = right - left ;
- dest->m_height = bottom - top ;
+ wxInt32 left,right,bottom,top;
+
+ left = wxMin ( src1.m_x , src2.m_x );
+ right = wxMax ( src1.m_x+src1.m_width, src2.m_x + src2.m_width );
+ top = wxMin ( src1.m_y , src2.m_y );
+ bottom = wxMax ( src1.m_y+src1.m_height, src2.m_y + src2.m_height );
+
+ dest->m_x = left;
+ dest->m_y = top;
+ dest->m_width = right - left;
+ dest->m_height = bottom - top;
}
-void wxRect2DInt::Union( const wxPoint2DInt &pt )
+void wxRect2DInt::Union( const wxPoint2DInt &pt )
{
- wxInt32 x = pt.m_x ;
- wxInt32 y = pt.m_y ;
-
- if ( x < m_x )
- {
- SetLeft( x ) ;
- }
- else if ( x < m_x + m_width )
- {
- // contained
- }
- else
- {
- SetRight( x ) ;
- }
-
- if ( y < m_y )
- {
- SetTop( y ) ;
- }
- else if ( y < m_y + m_height )
- {
- // contained
- }
- else
- {
- SetBottom( y ) ;
- }
+ wxInt32 x = pt.m_x;
+ wxInt32 y = pt.m_y;
+
+ if ( x < m_x )
+ {
+ SetLeft( x );
+ }
+ else if ( x < m_x + m_width )
+ {
+ // contained
+ }
+ else
+ {
+ SetRight( x );
+ }
+
+ if ( y < m_y )
+ {
+ SetTop( y );
+ }
+ else if ( y < m_y + m_height )
+ {
+ // contained
+ }
+ else
+ {
+ SetBottom( y );
+ }
}
void wxRect2DInt::ConstrainTo( const wxRect2DInt &rect )
{
- if ( GetLeft() < rect.GetLeft() )
- SetLeft( rect.GetLeft() ) ;
-
- if ( GetRight() > rect.GetRight() )
- SetRight( rect.GetRight() ) ;
+ if ( GetLeft() < rect.GetLeft() )
+ SetLeft( rect.GetLeft() );
+
+ if ( GetRight() > rect.GetRight() )
+ SetRight( rect.GetRight() );
- if ( GetBottom() > rect.GetBottom() )
- SetBottom( rect.GetBottom() ) ;
+ if ( GetBottom() > rect.GetBottom() )
+ SetBottom( rect.GetBottom() );
- if ( GetTop() < rect.GetTop() )
- SetTop( rect.GetTop() ) ;
+ if ( GetTop() < rect.GetTop() )
+ SetTop( rect.GetTop() );
}
wxRect2DInt& wxRect2DInt::operator=( const wxRect2DInt &r )
-{
- m_x = r.m_x ;
- m_y = r.m_y ;
- m_width = r.m_width ;
- m_height = r.m_height ;
- return *this ;
+{
+ m_x = r.m_x;
+ m_y = r.m_y;
+ m_width = r.m_width;
+ m_height = r.m_height;
+ return *this;
}
+#if wxUSE_STREAMS
void wxRect2DInt::WriteTo( wxDataOutputStream &stream ) const
-{
- stream.Write32( m_x ) ;
- stream.Write32( m_y ) ;
- stream.Write32( m_width ) ;
- stream.Write32( m_height ) ;
+{
+ stream.Write32( m_x );
+ stream.Write32( m_y );
+ stream.Write32( m_width );
+ stream.Write32( m_height );
}
-void wxRect2DInt::ReadFrom( wxDataInputStream &stream )
-{
- m_x = stream.Read32() ;
- m_y = stream.Read32() ;
- m_width = stream.Read32() ;
- m_height = stream.Read32() ;
+void wxRect2DInt::ReadFrom( wxDataInputStream &stream )
+{
+ m_x = stream.Read32();
+ m_y = stream.Read32();
+ m_width = stream.Read32();
+ m_height = stream.Read32();
+}
+#endif // wxUSE_STREAMS
+
+
+// wxTransform2D
+
+void wxTransform2D::Transform( wxRect2DInt* r ) const
+{
+ wxPoint2DInt a = r->GetLeftTop(), b = r->GetRightBottom();
+ Transform( &a );
+ Transform( &b );
+ *r = wxRect2DInt( a, b );
+}
+
+wxPoint2DInt wxTransform2D::Transform( const wxPoint2DInt &pt ) const
+{
+ wxPoint2DInt res = pt;
+ Transform( &res );
+ return res;
+}
+
+wxRect2DInt wxTransform2D::Transform( const wxRect2DInt &r ) const
+{
+ wxRect2DInt res = r;
+ Transform( &res );
+ return res;
+}
+
+void wxTransform2D::InverseTransform( wxRect2DInt* r ) const
+{
+ wxPoint2DInt a = r->GetLeftTop(), b = r->GetRightBottom();
+ InverseTransform( &a );
+ InverseTransform( &b );
+ *r = wxRect2DInt( a , b );
+}
+
+wxPoint2DInt wxTransform2D::InverseTransform( const wxPoint2DInt &pt ) const
+{
+ wxPoint2DInt res = pt;
+ InverseTransform( &res );
+ return res;
+}
+
+wxRect2DInt wxTransform2D::InverseTransform( const wxRect2DInt &r ) const
+{
+ wxRect2DInt res = r;
+ InverseTransform( &res );
+ return res;
}
+#endif // wxUSE_GEOMETRY
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