added wxEncodingToCodepage() and implemented it properly (using in32 API instead...

[wxWidgets.git] / include / wx / gtk / region.h

diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h
index 282904708ab5c4a3bf60911c75c82651c9d13f5d..3409ce33391d8878a734c01210f989b0e7ce4c72 100644 (file)
--- a/include/wx/gtk/region.h
+++ b/include/wx/gtk/region.h
@@ -1,15 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        region.h
+// Name:        wx/gtk/region.h
 // Purpose:
 // Author:      Robert Roebling
-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// Id:          $Id$
+// Copyright:   (c) 1998 Robert Roebling
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifndef __REGIONH__
-#define __REGIONH__
+#ifndef _WX_GTK_REGION_H_
+#define _WX_GTK_REGION_H_
 
 #ifdef __GNUG__
 #pragma interface
@@ -29,71 +28,122 @@ class wxRegion;
 // constants
 //-----------------------------------------------------------------------------
 
-enum wxRegionContain 
+enum wxRegionContain
 {
-  wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
+    wxOutRegion = 0,
+    wxPartRegion = 1,
+    wxInRegion = 2
 };
 
 // So far, for internal use only
-enum wxRegionOp {
-wxRGN_AND,          // Creates the intersection of the two combined regions.
-wxRGN_COPY,         // Creates a copy of the region identified by hrgnSrc1.
-wxRGN_DIFF,         // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
-wxRGN_OR,           // Creates the union of two combined regions.
-wxRGN_XOR           // Creates the union of two combined regions except for any overlapping areas.
+enum wxRegionOp
+{
+   wxRGN_AND,          // Creates the intersection of the two combined regions.
+   wxRGN_COPY,         // Creates a copy of the region identified by hrgnSrc1.
+   wxRGN_DIFF,         // Combines the parts of hrgnSrc1 that are not part of hrgnSrc2.
+   wxRGN_OR,           // Creates the union of two combined regions.
+   wxRGN_XOR           // Creates the union of two combined regions except for any overlapping areas.
 };
 
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 // wxRegion
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
 
-class wxRegion : public wxGDIObject 
+class wxRegion : public wxGDIObject
 {
-  DECLARE_DYNAMIC_CLASS(wxRegion);
-  
-  public:
-  
-    wxRegion( long x, long y, long w, long h );
+public:
+    wxRegion();
+    wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h );
     wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight );
     wxRegion( const wxRect& rect );
-    wxRegion(void);
-    ~wxRegion(void);
+    wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
+    virtual ~wxRegion();
 
-    inline wxRegion( const wxRegion& r ) 
-      { Ref(r); }
-    inline wxRegion& operator = ( const wxRegion& r )
-      { Ref(r); return (*this); }
+    wxRegion( const wxRegion& r ) { Ref(r); }
+    wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; }
 
-    void Clear(void);
+    bool operator == ( const wxRegion& region );
+    bool operator != ( const wxRegion& region );
 
-    bool Union( long x, long y, long width, long height );
+    void Clear();
+
+    bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     bool Union( const wxRect& rect );
     bool Union( const wxRegion& region );
 
-    bool Intersect( long x, long y, long width, long height );
+    bool Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     bool Intersect( const wxRect& rect );
     bool Intersect( const wxRegion& region );
 
-    bool Subtract( long x, long y, long width, long height );
+    bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     bool Subtract( const wxRect& rect );
     bool Subtract( const wxRegion& region );
 
-    bool Xor( long x, long y, long width, long height );
+    bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     bool Xor( const wxRect& rect );
     bool Xor( const wxRegion& region );
 
-    void GetBox( long& x, long& y, long&w, long &h ) const;
-    wxRect GetBox(void) const ;
+    void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const;
+    wxRect GetBox() const ;
+
+    bool Empty() const;
+    bool IsEmpty() const { return Empty(); }
 
-    bool Empty(void) const;
+    wxRegionContain Contains( wxCoord x, wxCoord y ) const;
+    wxRegionContain Contains( wxCoord x, wxCoord y, wxCoord w, wxCoord h ) const;
+    wxRegionContain Contains(const wxPoint& pt) const;
+    wxRegionContain Contains(const wxRect& rect) const;
 
-    wxRegionContain Contains( long x, long y ) const;
-    wxRegionContain Contains( long x, long y, long w, long h ) const;
-    
-  public:
-    
-    GdkRegion *GetRegion(void) const;
+public:
+    wxList    *GetRectList() const;
+    GdkRegion *GetRegion() const;
+
+protected:
+    // helper of Intersect()
+    bool IntersectRegionOnly(const wxRegion& reg);
+
+    // call this before modifying the region
+    void Unshare();
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxRegion);
 };
 
+// ----------------------------------------------------------------------------
+// wxRegionIterator: decomposes a region into rectangles
+// ----------------------------------------------------------------------------
+
+class wxRegionIterator: public wxObject
+{
+public:
+    wxRegionIterator();
+    wxRegionIterator(const wxRegion& region);
+
+    void Reset() { m_current = 0u; }
+    void Reset(const wxRegion& region);
+
+    operator bool () const;
+    bool HaveRects() const;
+
+    void operator ++ ();
+    void operator ++ (int);
+
+    wxCoord GetX() const;
+    wxCoord GetY() const;
+    wxCoord GetW() const;
+    wxCoord GetWidth() const { return GetW(); }
+    wxCoord GetH() const;
+    wxCoord GetHeight() const { return GetH(); }
+    wxRect GetRect() const;
+
+private:
+    size_t   m_current;
+    wxRegion m_region;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+};
+
+
 #endif
-       // __REGIONH__
+        // _WX_GTK_REGION_H_