Enable graphics context by default

[wxWidgets.git] / src / common / geometry.cpp

diff --git a/src/common/geometry.cpp b/src/common/geometry.cpp
index 985fbb36b1d0f926e3a2ab184d6bd20fbb62fd29..362b1aee50b23d31a337340a09edf6071792247e 100644 (file)
--- a/src/common/geometry.cpp
+++ b/src/common/geometry.cpp
@@ -1,32 +1,31 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        geometry.h
+// Name:        src/common/geometry.cpp

 // Purpose:     Common Geometry Classes
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     08/05/99
 // Purpose:     Common Geometry Classes
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     08/05/99

-// RCS-ID:      
-// Copyright:   (c)
-// Licence:    wxWindows licence
+// RCS-ID:
+// 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"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

-

 #ifdef __BORLANDC__
 #ifdef __BORLANDC__

-#pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #endif
 

-#include "wx/log.h"
-#include <string.h>
-
+#if wxUSE_GEOMETRY

 
 #include "wx/geometry.h"
 
 #include "wx/geometry.h"

+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+#endif
+
+#include <string.h>
+

 #include "wx/datstrm.h"
 
 //
 #include "wx/datstrm.h"
 
 //


@@ -41,271 +40,325 @@
 
 // for the following calculations always remember
 // that the right and bottom edges are not part of a rect
 
 // 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
 {
 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 )
 {
 }
 
 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
 }
 
 // integer version
 
 // for the following calculations always remember
 // that the right and bottom edges are not part of a rect

-       
+

 // wxPoint2D
 
 // wxPoint2D
 

+#if wxUSE_STREAMS

 void wxPoint2DInt::WriteTo( wxDataOutputStream &stream ) const
 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::ReadFrom( wxDataInputStream &stream ) 
-{ 
-       m_x = stream.Read32() ; 
-       m_y = stream.Read32() ; 
+
+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 ));

 }
 
 }
 

-wxDouble wxPoint2DInt::GetVectorAngle()
+wxDouble wxPoint2DDouble::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 ;
-       }
-       wxDouble deg = atan2( m_y , m_x ) * 180 / 3.14159265359 ;
-       if ( deg < 0 )
-       {
-               deg += 360 ;
-       }
-       return deg ;
+    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;
+}
+
+void wxPoint2DDouble::SetVectorAngle( wxDouble degrees )
+{
+    wxDouble length = GetVectorLength();
+    m_x = length * cos( degrees / 180 * M_PI );
+    m_y = length * sin( degrees / 180 * M_PI );

 }
 
 }
 

-       

 // wxRect2D
 // wxRect2D

-       
+

 bool wxRect2DInt::Intersects( const wxRect2DInt &rect ) const
 {
 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 )
 {
 }
 
 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 ( GetBottom() > rect.GetBottom() )
-               SetBottom( rect.GetBottom() ) ;
+    if ( GetRight() > rect.GetRight() )
+        SetRight( rect.GetRight() );

 
 

-       if ( GetTop() < rect.GetTop() )
-               SetTop( rect.GetTop() ) ;
+    if ( GetBottom() > rect.GetBottom() )
+        SetBottom( rect.GetBottom() );
+
+    if ( GetTop() < rect.GetTop() )
+        SetTop( rect.GetTop() );

 }
 
 wxRect2DInt& wxRect2DInt::operator=( const wxRect2DInt &r )
 }
 
 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
 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

 
 

+#endif // wxUSE_GEOMETRY