Added IsFalse()

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

diff --git a/include/wx/geometry.h b/include/wx/geometry.h
index 0aafb0f855b7b3e2f8030a1f59375df05bca7a9b..b9d3c7c502b9c7e2e6f578ebb2ea5003f5dcbb99 100644 (file)
--- a/include/wx/geometry.h
+++ b/include/wx/geometry.h
@@ -12,33 +12,28 @@
 #ifndef _WX_GEOMETRY_H_
 #define _WX_GEOMETRY_H_
 
 #ifndef _WX_GEOMETRY_H_
 #define _WX_GEOMETRY_H_
 

-#ifdef __GNUG__
-    #pragma interface "geometry.cpp"
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+    #pragma interface "geometry.h"

 #endif
 
 #include "wx/defs.h"
 
 #endif
 
 #include "wx/defs.h"
 

-#ifndef wxUSE_GEOMETRY
-    #define wxUSE_GEOMETRY 0
-#endif
-

 #if wxUSE_GEOMETRY
 
 #include "wx/utils.h"
 #include "wx/gdicmn.h"
 #if wxUSE_GEOMETRY
 
 #include "wx/utils.h"
 #include "wx/gdicmn.h"

-#include <math.h>
+#include "wx/math.h"

 
 #ifdef __WXMSW__
     #define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c )
 #elif defined( __WXMAC__ )
 
 #ifdef __WXMSW__
     #define wxMulDivInt32( a , b , c ) ::MulDiv( a , b , c )
 #elif defined( __WXMAC__ )

-    #include "Math64.h"
-    #define wxMulDivInt32( a , b , c ) S32Set( S64Div( S64Multiply( S64Set(a) , S64Set(b) ) , S64Set(c) ) )
+    #define wxMulDivInt32( a , b , c ) ( (wxInt32) ( ( (wxInt64)(a) * (wxInt64)(b) ) / (wxInt64)(c) ) )

 #else
     #define wxMulDivInt32( a , b , c ) ((wxInt32)((a)*(((wxDouble)b)/((wxDouble)c))))
 #endif
 
 #else
     #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
 
 
 // clipping from Cohen-Sutherland
 


@@ -60,11 +55,11 @@ public :
     inline wxPoint2DInt( const wxPoint &pt );
 
     // noops for this class, just return the coords
     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 );
     inline void SetVectorLength( wxDouble length );
            void SetVectorAngle( wxDouble degrees );
            void SetPolarCoordinates( wxInt32 angle , wxInt32 length );


@@ -92,8 +87,10 @@ public :
     inline bool operator==(const wxPoint2DInt& pt) const;
     inline bool operator!=(const wxPoint2DInt& pt) const;
 
     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 );
     void WriteTo( wxDataOutputStream &stream ) const;
     void ReadFrom( wxDataInputStream &stream );

+#endif // wxUSE_STREAMS

 
     wxInt32 m_x;
     wxInt32 m_y;
 
     wxInt32 m_x;
     wxInt32 m_y;


@@ -134,7 +131,7 @@ inline wxPoint2DInt::wxPoint2DInt( const wxPoint &pt )
     m_y = pt.y;
 }
 
     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;
 {
     if ( x )
         *x = m_x;


@@ -142,12 +139,12 @@ inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y )
         *y = m_y;
 }
 
         *y = m_y;
 }
 

-inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y )
+inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y ) const

 {
     GetFloor(x, y);
 }
 
 {
     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) );
 {
     // cast needed MIPSpro compiler under SGI
     return sqrt( (double)(m_x)*(m_x) + (m_y)*(m_y) );


@@ -299,14 +296,14 @@ public :
     inline wxPoint2DDouble();
     inline wxPoint2DDouble( wxDouble x , wxDouble y );
     inline wxPoint2DDouble( const wxPoint2DDouble &pt );
     inline wxPoint2DDouble();
     inline wxPoint2DDouble( wxDouble x , wxDouble y );
     inline wxPoint2DDouble( const wxPoint2DDouble &pt );

-    wxPoint2DDouble( const wxPoint2DInt &pt ) 
-               {       m_x = (wxDouble) pt.m_x ; m_y = (wxDouble) pt.m_y ; }
-       wxPoint2DDouble( const wxPoint &pt ) 
-               {       m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; }
+    wxPoint2DDouble( const wxPoint2DInt &pt )
+        { m_x = (wxDouble) pt.m_x ; m_y = (wxDouble) pt.m_y ; }
+    wxPoint2DDouble( const wxPoint &pt )
+        { m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; }

 
     // two different conversions to integers, floor and rounding
 
     // 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 ;
 
     inline wxDouble GetVectorLength() const;
      wxDouble GetVectorAngle() const ;


@@ -316,10 +313,10 @@ public :
     // set the vector length to 1.0, preserving the angle
     void Normalize();
 
     // 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-();
 
     // the reflection of this point
     inline wxPoint2DDouble operator-();


@@ -370,13 +367,13 @@ inline wxPoint2DDouble::wxPoint2DDouble( const wxPoint2DDouble &pt )
     m_y = pt.m_y;
 }
 
     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 );
 }
 
 {
     *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);
 {
     *x = (wxInt32) floor( m_x + 0.5 );
     *y = (wxInt32) floor( m_y + 0.5);


@@ -387,29 +384,29 @@ inline wxDouble wxPoint2DDouble::GetVectorLength() const
     return sqrt( (m_x)*(m_x) + (m_y)*(m_y) ) ;
 }
 
     return sqrt( (m_x)*(m_x) + (m_y)*(m_y) ) ;
 }
 

-inline void wxPoint2DDouble::SetVectorLength( wxDouble length ) 
+inline void wxPoint2DDouble::SetVectorLength( wxDouble length )

 {
     wxDouble before = GetVectorLength() ;
     m_x = (m_x * length / before) ;
     m_y = (m_y * length / before) ;
 }
 
 {
     wxDouble before = GetVectorLength() ;
     m_x = (m_x * length / before) ;
     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 ) );
 }
 
 {
     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) );
 }
 
 {
     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 );
 }
 
 {
     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 );
 }
 {
     return ( m_x * vec.m_y - vec.m_x * m_y );
 }


@@ -584,13 +581,15 @@ public:
         { MoveCentreTo( pt ); }    // since this is impossible without moving...
     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); }
         { MoveCentreTo( pt ); }    // since this is impossible without moving...
     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); }

-    inline wxOutCode GetOutcode( const wxPoint2DDouble &pt ) const
+    inline wxOutCode GetOutCode( const wxPoint2DDouble &pt ) const

         { return (wxOutCode) (( ( pt.m_x < m_x ) ? wxOutLeft : 0 ) +
         { 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 ) ? 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
     inline bool Contains( const wxPoint2DDouble &pt ) const

-        { return  GetOutcode( pt ) == wxInside; }
+        { return  GetOutCode( pt ) == wxInside; }

     inline bool Contains( const wxRect2DDouble &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 Contains( const wxRect2DDouble &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 ) ) ); }


@@ -631,11 +630,11 @@ 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);}
 
         { 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);
     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;
 
     wxDouble  m_x;
     wxDouble  m_y;


@@ -694,13 +693,15 @@ public:
         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 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
+        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 )); }
             { 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 wxOutCode GetOutcode( const wxPoint2DInt &pt ) const
+            { return GetOutCode( pt ) ; }

         inline bool Contains( const wxPoint2DInt &pt ) const
         inline bool Contains( const wxPoint2DInt &pt ) const

-            { return  GetOutcode( pt ) == wxInside; }
+            { 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 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 ) ) ); }


@@ -732,16 +733,18 @@ public:
                 m_width *= ((wxInt32)num)/((wxInt32)denum); m_height *= ((wxInt32)num)/((wxInt32)denum);}
 
        wxRect2DInt& operator = (const wxRect2DInt& rect);
                 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_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 )
 };
 
 inline wxRect2DInt::wxRect2DInt( const wxRect2DInt &r )


@@ -760,9 +763,29 @@ inline wxRect2DInt::wxRect2DInt( const wxPoint2DInt &a , const wxPoint2DInt &b)
     m_height = abs( a.m_y - b.m_y );
 }
 
     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 :
 class wxTransform2D
 {
 public :

+    virtual ~wxTransform2D() { }

     virtual void                    Transform( wxPoint2DInt* pt )const  = 0;
     virtual void                    Transform( wxRect2DInt* r ) const;
     virtual wxPoint2DInt    Transform( const wxPoint2DInt &pt ) const;
     virtual void                    Transform( wxPoint2DInt* pt )const  = 0;
     virtual void                    Transform( wxRect2DInt* r ) const;
     virtual wxPoint2DInt    Transform( const wxPoint2DInt &pt ) const;