synchronize GTK2 minimum version in docs

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

diff --git a/include/wx/geometry.h b/include/wx/geometry.h
index bf32e5b2b232196fef331256f2a4dd9da3b43315..00e19d6c28dddb5d2d19131c8673515381b54747 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
-// RCS-ID:
+// RCS-ID:      $Id$
 // Copyright:   (c) 1999 Stefan Csomor
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -20,16 +20,8 @@
 #include "wx/gdicmn.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 WXDLLIMPEXP_BASE wxDataInputStream;
-class WXDLLIMPEXP_BASE wxDataOutputStream;
+class WXDLLIMPEXP_FWD_BASE wxDataInputStream;
+class WXDLLIMPEXP_FWD_BASE wxDataOutputStream;
 
 // clipping from Cohen-Sutherland
 
@@ -42,7 +34,7 @@ enum wxOutCode
     wxOutBottom = 0x04
 };
 
-class WXDLLEXPORT wxPoint2DInt
+class WXDLLIMPEXP_CORE wxPoint2DInt
 {
 public :
     inline wxPoint2DInt();
@@ -96,12 +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*(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::wxPoint2DInt()
 {
@@ -190,8 +179,11 @@ inline wxPoint2DInt wxPoint2DInt::operator-()
 
 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;
 }
 
@@ -286,7 +278,7 @@ inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxDouble n)
 
 // wxPoint2Ds represent a point or a vector in a 2d coordinate system
 
-class WXDLLEXPORT wxPoint2DDouble
+class WXDLLIMPEXP_CORE wxPoint2DDouble
 {
 public :
     inline wxPoint2DDouble();
@@ -387,6 +379,11 @@ inline void wxPoint2DDouble::SetVectorLength( wxDouble length )
     m_y = (m_y * length / before) ;
 }
 
+inline void wxPoint2DDouble::Normalize()
+{
+    SetVectorLength( 1 );
+}
+
 inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const
 {
     return sqrt( GetDistanceSquare( pt ) );
@@ -414,8 +411,11 @@ inline wxPoint2DDouble wxPoint2DDouble::operator-()
 
 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;
 }
 
@@ -449,12 +449,12 @@ inline wxPoint2DDouble& wxPoint2DDouble::operator/=(const wxPoint2DDouble& pt)
 
 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
 {
-    return m_x != pt.m_x || m_y != pt.m_y;
+    return !(*this == pt);
 }
 
 inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2)
@@ -512,7 +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.
 
-class WXDLLEXPORT wxRect2DDouble
+class WXDLLIMPEXP_CORE wxRect2DDouble
 {
 public:
     wxRect2DDouble()
@@ -531,8 +531,8 @@ public:
     inline wxSize GetSize()
         { 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; }
@@ -590,9 +590,9 @@ public:
         { 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
-        { 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; }
@@ -627,9 +627,9 @@ public:
                 m_width *= ((wxDouble)num)/((wxDouble)denum); m_height *= ((wxDouble)num)/((wxDouble)denum);}
 
     wxRect2DDouble& 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)
+    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;
@@ -643,7 +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.
 
-class WXDLLEXPORT wxRect2DInt
+class WXDLLIMPEXP_CORE wxRect2DInt
 {
 public:
        wxRect2DInt() { m_x = m_y = m_width = m_height = 0; }
@@ -658,8 +658,8 @@ public:
       inline wxPoint2DInt GetPosition() { return wxPoint2DInt(m_x, m_y); }
        inline wxSize GetSize() { 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; }