open registry keys in read-only mode as we might not have the rights for full access...

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

diff --git a/src/common/geometry.cpp b/src/common/geometry.cpp
index d53b1f9a57ee409aa3bd33a1fd77732e9c403403..51fe2842eeeea6c62744a5424b5fde20328f406e 100644 (file)
--- a/src/common/geometry.cpp
+++ b/src/common/geometry.cpp
@@ -9,7 +9,7 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "geometry.cpp"
 #endif
 
@@ -26,10 +26,14 @@
 #include "wx/log.h"
 #include <string.h>
 
-
 #include "wx/geometry.h"
 #include "wx/datstrm.h"
 
+// normally this is defined in <math.h>
+#ifndef M_PI
+    #define M_PI 3.14159265358979323846
+#endif
+
 //
 // wxPoint2D
 //
@@ -141,6 +145,15 @@ void wxRect2DDouble::ConstrainTo( const wxRect2DDouble &rect )
         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
@@ -148,6 +161,7 @@ void wxRect2DDouble::ConstrainTo( const wxRect2DDouble &rect )
 
 // wxPoint2D
 
+#if wxUSE_STREAMS
 void wxPoint2DInt::WriteTo( wxDataOutputStream &stream ) const
 {
     stream.Write32( m_x );
@@ -159,8 +173,9 @@ void wxPoint2DInt::ReadFrom( wxDataInputStream &stream )
     m_x = stream.Read32();
     m_y = stream.Read32();
 }
+#endif // wxUSE_STREAMS
 
-wxDouble wxPoint2DInt::GetVectorAngle()
+wxDouble wxPoint2DInt::GetVectorAngle() const
 {
     if ( m_x == 0 )
     {
@@ -177,8 +192,8 @@ wxDouble wxPoint2DInt::GetVectorAngle()
             return 180;
     }
 
-    // casts needed MIPSpro compiler under SGI
-    wxDouble deg = atan2( (double)m_y , (double)m_x ) * 180 / 3.14159265359;
+    // casts needed for MIPSpro compiler under SGI
+    wxDouble deg = atan2( (double)m_y , (double)m_x ) * 180 / M_PI;
     if ( deg < 0 )
     {
         deg += 360;
@@ -187,6 +202,44 @@ wxDouble wxPoint2DInt::GetVectorAngle()
 }
 
 
+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 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 / 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
 
 bool wxRect2DInt::Intersects( const wxRect2DInt &rect ) const
@@ -296,6 +349,7 @@ wxRect2DInt& wxRect2DInt::operator=( const wxRect2DInt &r )
     return *this;
 }
 
+#if wxUSE_STREAMS
 void wxRect2DInt::WriteTo( wxDataOutputStream &stream ) const
 {
     stream.Write32( m_x );
@@ -311,5 +365,6 @@ void wxRect2DInt::ReadFrom( wxDataInputStream &stream )
     m_width = stream.Read32();
     m_height = stream.Read32();
 }
+#endif // wxUSE_STREAMS
 
 #endif // wxUSE_GEOMETRY