Convert image tags to text using their alt attribute in wxHTML.

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

diff --git a/include/wx/geometry.h b/include/wx/geometry.h
index b872f8a7fb7353b198afe8ff475fceae2ee0c883..63d120b20e616f9b172fe1749d56cbdc492b3f0f 100644 (file)
--- a/include/wx/geometry.h
+++ b/include/wx/geometry.h
@@ -4,7 +4,7 @@
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     08/05/99
 // Author:      Stefan Csomor
 // Modified by:
 // Created:     08/05/99

-// RCS-ID:
+// RCS-ID:      $Id$

 // Copyright:   (c) 1999 Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 // Copyright:   (c) 1999 Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////


@@ -12,32 +12,16 @@
 #ifndef _WX_GEOMETRY_H_
 #define _WX_GEOMETRY_H_
 
 #ifndef _WX_GEOMETRY_H_
 #define _WX_GEOMETRY_H_
 

-#if defined(__GNUG__) && !defined(__APPLE__)
-    #pragma interface "geometry.cpp"
-#endif
-

 #include "wx/defs.h"
 
 #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__ )
-    #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
-
-class wxDataInputStream;
-class wxDataOutputStream;
+class WXDLLIMPEXP_FWD_BASE wxDataInputStream;
+class WXDLLIMPEXP_FWD_BASE wxDataOutputStream;

 
 // clipping from Cohen-Sutherland
 
 
 // clipping from Cohen-Sutherland
 


@@ -50,7 +34,7 @@ enum wxOutCode
     wxOutBottom = 0x04
 };
 
     wxOutBottom = 0x04
 };
 

-class WXDLLEXPORT wxPoint2DInt
+class WXDLLIMPEXP_CORE wxPoint2DInt

 {
 public :
     inline wxPoint2DInt();
 {
 public :
     inline wxPoint2DInt();


@@ -91,8 +75,10 @@ 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;


@@ -102,12 +88,9 @@ inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2)
 inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
 inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
 inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);
 inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
 inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
 inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);

-inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt);
-inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);

 inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);
 inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
 inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);
 inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n);
 inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2);
 inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);

-inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n);

 
 inline wxPoint2DInt::wxPoint2DInt()
 {
 
 inline wxPoint2DInt::wxPoint2DInt()
 {


@@ -196,8 +179,11 @@ inline wxPoint2DInt wxPoint2DInt::operator-()
 
 inline wxPoint2DInt& wxPoint2DInt::operator=(const wxPoint2DInt& pt)
 {
 
 inline wxPoint2DInt& wxPoint2DInt::operator=(const wxPoint2DInt& pt)
 {

-    m_x = pt.m_x;
-    m_y = pt.m_y;
+    if (this != &pt)
+    {
+        m_x = pt.m_x;
+        m_y = pt.m_y;
+    }

     return *this;
 }
 
     return *this;
 }
 


@@ -292,16 +278,16 @@ inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxDouble n)
 
 // wxPoint2Ds represent a point or a vector in a 2d coordinate system
 
 
 // wxPoint2Ds represent a point or a vector in a 2d coordinate system
 

-class WXDLLEXPORT wxPoint2DDouble
+class WXDLLIMPEXP_CORE wxPoint2DDouble

 {
 public :
     inline wxPoint2DDouble();
     inline wxPoint2DDouble( wxDouble x , wxDouble y );
     inline wxPoint2DDouble( const wxPoint2DDouble &pt );
 {
 public :
     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
     inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;
 
     // two different conversions to integers, floor and rounding
     inline void GetFloor( wxInt32 *x , wxInt32 *y ) const;


@@ -386,13 +372,18 @@ 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 void wxPoint2DDouble::Normalize()
+{
+    SetVectorLength( 1 );
+}
+

 inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const
 {
     return sqrt( GetDistanceSquare( pt ) );
 inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const
 {
     return sqrt( GetDistanceSquare( pt ) );


@@ -420,8 +411,11 @@ inline wxPoint2DDouble wxPoint2DDouble::operator-()
 
 inline wxPoint2DDouble& wxPoint2DDouble::operator=(const wxPoint2DDouble& pt)
 {
 
 inline wxPoint2DDouble& wxPoint2DDouble::operator=(const wxPoint2DDouble& pt)
 {

-    m_x = pt.m_x;
-    m_y = pt.m_y;
+    if (this != &pt)
+    {
+        m_x = pt.m_x;
+        m_y = pt.m_y;
+    }

     return *this;
 }
 
     return *this;
 }
 


@@ -455,12 +449,12 @@ inline wxPoint2DDouble& wxPoint2DDouble::operator/=(const wxPoint2DDouble& pt)
 
 inline bool wxPoint2DDouble::operator==(const wxPoint2DDouble& pt) const
 {
 
 inline bool wxPoint2DDouble::operator==(const wxPoint2DDouble& pt) const
 {

-    return m_x == pt.m_x && m_y == pt.m_y;
+    return wxIsSameDouble(m_x, pt.m_x) && wxIsSameDouble(m_y, pt.m_y);

 }
 
 inline bool wxPoint2DDouble::operator!=(const wxPoint2DDouble& pt) const
 {
 }
 
 inline bool wxPoint2DDouble::operator!=(const wxPoint2DDouble& pt) const
 {

-    return m_x != pt.m_x || m_y != pt.m_y;
+    return !(*this == pt);

 }
 
 inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
 }
 
 inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)


@@ -518,7 +512,7 @@ inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n)
 // top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
 // left <= x < right  and top <= m_y < bottom , thus it is a half open interval.
 
 // top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
 // left <= x < right  and top <= m_y < bottom , thus it is a half open interval.
 

-class WXDLLEXPORT wxRect2DDouble
+class WXDLLIMPEXP_CORE wxRect2DDouble

 {
 public:
     wxRect2DDouble()
 {
 public:
     wxRect2DDouble()


@@ -532,13 +526,13 @@ public:
 */
         // single attribute accessors
 
 */
         // single attribute accessors
 

-    inline wxPoint2DDouble GetPosition()
+    wxPoint2DDouble GetPosition() const

         { return wxPoint2DDouble(m_x, m_y); }
         { return wxPoint2DDouble(m_x, m_y); }

-    inline wxSize GetSize()
+    wxSize GetSize() const

         { return wxSize((int) m_width, (int) m_height); }
 
         { return wxSize((int) m_width, (int) m_height); }
 

-    // for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their
-        // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately
+    // for the edge and corner accessors there are two setters counterparts, the Set.. functions keep the other corners at their
+        // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners appropriately

 
     inline wxDouble GetLeft() const { return m_x; }
     inline void SetLeft( wxDouble n ) { m_width += m_x - n; m_x = n; }
 
     inline wxDouble GetLeft() const { return m_x; }
     inline void SetLeft( wxDouble n ) { m_width += m_x - n; m_x = n; }


@@ -588,17 +582,17 @@ public:
                      ( ( 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_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 wxPoint2DDouble &pt) const
-               { return GetOutCode(pt) ; }
+    inline wxOutCode GetOutcode(const wxPoint2DDouble &pt) const
+        { return GetOutCode(pt) ; }

     inline bool Contains( const wxPoint2DDouble &pt ) const
         { 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 IsEmpty() const
     inline bool Contains( const wxPoint2DDouble &pt ) const
         { 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 IsEmpty() const

-        { return ( m_width <= 0 || m_height <= 0 ); }
+        { return m_width <= 0 || m_height <= 0; }

     inline bool HaveEqualSize( const wxRect2DDouble &rect ) const
     inline bool HaveEqualSize( const wxRect2DDouble &rect ) const

-        { return ( rect.m_width == m_width && rect.m_height == m_height ); }
+        { return wxIsSameDouble(rect.m_width, m_width) && wxIsSameDouble(rect.m_height, m_height); }

 
     inline void Inset( wxDouble x , wxDouble y )
         { m_x += x; m_y += y; m_width -= 2 * x; m_height -= 2 * y; }
 
     inline void Inset( wxDouble x , wxDouble y )
         { m_x += x; m_y += y; m_width -= 2 * x; m_height -= 2 * y; }


@@ -632,11 +626,11 @@ 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) const
+        { return wxIsSameDouble(m_x, rect.m_x) && wxIsSameDouble(m_y, rect.m_y) && HaveEqualSize(rect); }
+    inline bool operator != (const wxRect2DDouble& rect) const
+        { return !(*this == rect); }

 
     wxDouble  m_x;
     wxDouble  m_y;
 
     wxDouble  m_x;
     wxDouble  m_y;


@@ -649,7 +643,7 @@ public:
 // top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
 // left <= x < right  and top <= m_y < bottom , thus it is a half open interval.
 
 // top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if
 // left <= x < right  and top <= m_y < bottom , thus it is a half open interval.
 

-class WXDLLEXPORT wxRect2DInt
+class WXDLLIMPEXP_CORE wxRect2DInt

 {
 public:
        wxRect2DInt() { m_x = m_y = m_width = m_height = 0; }
 {
 public:
        wxRect2DInt() { m_x = m_y = m_width = m_height = 0; }


@@ -661,11 +655,11 @@ public:
 
         // single attribute accessors
 
 
         // single attribute accessors
 

-      inline wxPoint2DInt GetPosition() { return wxPoint2DInt(m_x, m_y); }
-       inline wxSize GetSize() { return wxSize(m_width, m_height); }
+       wxPoint2DInt GetPosition() const { return wxPoint2DInt(m_x, m_y); }
+       wxSize GetSize() const { return wxSize(m_width, m_height); }

 
 

-        // for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their
-        // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately
+        // for the edge and corner accessors there are two setters counterparts, the Set.. functions keep the other corners at their
+        // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners appropriately

 
       inline wxInt32 GetLeft() const { return m_x; }
        inline void SetLeft( wxInt32 n ) { m_width += m_x - n; m_x = n; }
 
       inline wxInt32 GetLeft() const { return m_x; }
        inline void SetLeft( wxInt32 n ) { m_width += m_x - n; m_x = n; }


@@ -700,8 +694,8 @@ public:
                      ( ( 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_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 wxOutCode GetOutcode( const wxPoint2DInt &pt ) const
+            { return GetOutCode( pt ) ; }

         inline bool Contains( const wxPoint2DInt &pt ) const
             { return  GetOutCode( pt ) == wxInside; }
         inline bool Contains( const wxRect2DInt &rect ) const
         inline bool Contains( const wxPoint2DInt &pt ) const
             { return  GetOutCode( pt ) == wxInside; }
         inline bool Contains( const wxRect2DInt &rect ) const


@@ -735,16 +729,18 @@ 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 )


@@ -763,9 +759,29 @@ 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;