explained how the signature works

[wxWidgets.git] / include / wx / geometry.h

diff --git a/include/wx/geometry.h b/include/wx/geometry.h
index c332ec0d5bc2bbfd81df0d1c8a211aa0df8a2f14..98f0453799e6a890317a11c23245f8384c18f872 100644 (file)
--- a/include/wx/geometry.h
+++ b/include/wx/geometry.h
@@ -12,7 +12,7 @@
 #ifndef _WX_GEOMETRY_H_
 #define _WX_GEOMETRY_H_
 
-#if defined(__GNUG__) && !defined(__APPLE__)
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma interface "geometry.cpp"
 #endif
 
@@ -36,8 +36,8 @@
     #define wxMulDivInt32( a , b , c ) ((wxInt32)((a)*(((wxDouble)b)/((wxDouble)c))))
 #endif
 
-class wxDataInputStream;
-class wxDataOutputStream;
+class WXDLLIMPEXP_BASE wxDataInputStream;
+class WXDLLIMPEXP_BASE wxDataOutputStream;
 
 // clipping from Cohen-Sutherland
 
@@ -59,11 +59,11 @@ public :
     inline wxPoint2DInt( const wxPoint &pt );
 
     // noops for this class, just return the coords
-    inline void GetFloor( wxInt32 *x , wxInt32 *y );
-    inline void GetRounded( wxInt32 *x , wxInt32 *y );
+    inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
+    inline void GetRounded( wxInt32 *x , wxInt32 *y ) const;
 
-    inline wxDouble GetVectorLength();
-           wxDouble GetVectorAngle();
+    inline wxDouble GetVectorLength() const;
+           wxDouble GetVectorAngle() const;
     inline void SetVectorLength( wxDouble length );
            void SetVectorAngle( wxDouble degrees );
            void SetPolarCoordinates( wxInt32 angle , wxInt32 length );
@@ -91,8 +91,10 @@ public :
     inline bool operator==(const wxPoint2DInt& pt) const;
     inline bool operator!=(const wxPoint2DInt& pt) const;
 
+#if wxUSE_STREAMS
     void WriteTo( wxDataOutputStream &stream ) const;
     void ReadFrom( wxDataInputStream &stream );
+#endif // wxUSE_STREAMS
 
     wxInt32 m_x;
     wxInt32 m_y;
@@ -133,7 +135,7 @@ inline wxPoint2DInt::wxPoint2DInt( const wxPoint &pt )
     m_y = pt.y;
 }
 
-inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y ) const
 {
     if ( x )
         *x = m_x;
@@ -141,12 +143,12 @@ inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y )
         *y = m_y;
 }
 
-inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y ) const
 {
     GetFloor(x, y);
 }
 
-inline wxDouble wxPoint2DInt::GetVectorLength()
+inline wxDouble wxPoint2DInt::GetVectorLength() const
 {
     // cast needed MIPSpro compiler under SGI
     return sqrt( (double)(m_x)*(m_x) + (m_y)*(m_y) );
@@ -304,8 +306,8 @@ public :
                {       m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; }
 
     // two different conversions to integers, floor and rounding
-    inline void GetFloor( wxInt32 *x , wxInt32 *y );
-    inline void GetRounded( wxInt32 *x , wxInt32 *y );
+    inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
+    inline void GetRounded( wxInt32 *x , wxInt32 *y ) const;
 
     inline wxDouble GetVectorLength() const;
      wxDouble GetVectorAngle() const ;
@@ -315,10 +317,10 @@ public :
     // set the vector length to 1.0, preserving the angle
     void Normalize();
 
-    inline wxDouble GetDistance( const wxPoint2DDouble &pt );
-    inline wxDouble GetDistanceSquare( const wxPoint2DDouble &pt );
-    inline wxDouble GetDotProduct( const wxPoint2DDouble &vec );
-    inline wxDouble GetCrossProduct( const wxPoint2DDouble &vec );
+    inline wxDouble GetDistance( const wxPoint2DDouble &pt ) const;
+    inline wxDouble GetDistanceSquare( const wxPoint2DDouble &pt ) const;
+    inline wxDouble GetDotProduct( const wxPoint2DDouble &vec ) const;
+    inline wxDouble GetCrossProduct( const wxPoint2DDouble &vec ) const;
 
     // the reflection of this point
     inline wxPoint2DDouble operator-();
@@ -369,13 +371,13 @@ inline wxPoint2DDouble::wxPoint2DDouble( const wxPoint2DDouble &pt )
     m_y = pt.m_y;
 }
 
-inline void wxPoint2DDouble::GetFloor( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DDouble::GetFloor( wxInt32 *x , wxInt32 *y ) const
 {
     *x = (wxInt32) floor( m_x );
     *y = (wxInt32) floor( m_y );
 }
 
-inline void wxPoint2DDouble::GetRounded( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DDouble::GetRounded( wxInt32 *x , wxInt32 *y ) const
 {
     *x = (wxInt32) floor( m_x + 0.5 );
     *y = (wxInt32) floor( m_y + 0.5);
@@ -393,22 +395,22 @@ inline void wxPoint2DDouble::SetVectorLength( wxDouble length )
     m_y = (m_y * length / before) ;
 }
 
-inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt )
+inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const
 {
     return sqrt( GetDistanceSquare( pt ) );
 }
 
-inline wxDouble wxPoint2DDouble::GetDistanceSquare( const wxPoint2DDouble &pt )
+inline wxDouble wxPoint2DDouble::GetDistanceSquare( const wxPoint2DDouble &pt ) const
 {
     return ( (pt.m_x-m_x)*(pt.m_x-m_x) + (pt.m_y-m_y)*(pt.m_y-m_y) );
 }
 
-inline wxDouble wxPoint2DDouble::GetDotProduct( const wxPoint2DDouble &vec )
+inline wxDouble wxPoint2DDouble::GetDotProduct( const wxPoint2DDouble &vec ) const
 {
     return ( m_x * vec.m_x + m_y * vec.m_y );
 }
 
-inline wxDouble wxPoint2DDouble::GetCrossProduct( const wxPoint2DDouble &vec )
+inline wxDouble wxPoint2DDouble::GetCrossProduct( const wxPoint2DDouble &vec ) const
 {
     return ( m_x * vec.m_y - vec.m_x * m_y );
 }
@@ -585,9 +587,9 @@ public:
         { 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_x > m_x + m_width ) ? wxOutRight : 0 ) +
                      ( ( pt.m_y < m_y ) ? wxOutTop : 0 )  +
-                     ( ( pt.m_y >= m_y + m_height ) ? wxOutBottom : 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
@@ -632,11 +634,11 @@ public:
         { 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);
-    bool operator == (const wxRect2DDouble& rect);
-    bool operator != (const wxRect2DDouble& rect);
-*/
+    inline bool operator == (const wxRect2DDouble& rect)
+        { return (m_x==rect.m_x && m_y==rect.m_y && m_width==rect.m_width && m_height==rect.m_height); }
+    inline bool operator != (const wxRect2DDouble& rect)
+        { return !(*this == rect); }
 
     wxDouble  m_x;
     wxDouble  m_y;
@@ -735,16 +737,18 @@ public:
                 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);
+       bool operator == (const wxRect2DInt& rect) const;
+       bool operator != (const wxRect2DInt& rect) const;
 
-        void WriteTo( wxDataOutputStream &stream ) const;
-        void ReadFrom( wxDataInputStream &stream );
+#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;
+       wxInt32 m_y;
+       wxInt32 m_width;
+       wxInt32 m_height;
 };
 
 inline wxRect2DInt::wxRect2DInt( const wxRect2DInt &r )
@@ -763,6 +767,25 @@ inline wxRect2DInt::wxRect2DInt( const wxPoint2DInt &a , const wxPoint2DInt &b)
     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 wxTransform2D
 {
 public :