No real changes, just make wxWindow::CanScroll() virtual.

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

diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h
index 282904708ab5c4a3bf60911c75c82651c9d13f5d..a2231a19504a1c8557a3c4467a0838bad9f1cc0e 100644 (file)
--- a/include/wx/gtk/region.h
+++ b/include/wx/gtk/region.h
@@ -1,99 +1,138 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        region.h
+// Name:        wx/gtk/region.h

 // Purpose:
 // Author:      Robert Roebling
 // Purpose:
 // Author:      Robert Roebling

-// Created:     01/02/97
-// Id:
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence:    wxWindows licence
+// 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
+#ifdef __WXGTK3__
+typedef struct _cairo_region cairo_region_t;

 #endif
 
 #endif
 

-#include "wx/list.h"
-#include "wx/gdiobj.h"
-#include "wx/gdicmn.h"
+// ----------------------------------------------------------------------------
+// wxRegion
+// ----------------------------------------------------------------------------

 
 

-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
+class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
+{
+public:
+    wxRegion() { }
+
+    wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
+    {
+        InitRect(x, y, w, h);
+    }
+
+    wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight )
+    {
+        InitRect(topLeft.x, topLeft.y,
+                 bottomRight.x - topLeft.x, bottomRight.y - topLeft.y);
+    }
+
+    wxRegion( const wxRect& rect )
+    {
+        InitRect(rect.x, rect.y, rect.width, rect.height);
+    }
+
+    wxRegion( size_t n, const wxPoint *points,
+              wxPolygonFillMode fillStyle = wxODDEVEN_RULE );
+
+#if wxUSE_IMAGE
+    wxRegion( const wxBitmap& bmp)
+    {
+        Union(bmp);
+    }
+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour, int tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }
+#endif // wxUSE_IMAGE
+
+    virtual ~wxRegion();
+
+    // wxRegionBase methods
+    virtual void Clear();
+    virtual bool IsEmpty() const;
+
+#ifdef __WXGTK3__
+    cairo_region_t* GetRegion() const;
+#else
+    wxRegion(const GdkRegion* region);
+    GdkRegion *GetRegion() const;
+#endif

 
 

-class wxRegion;
+protected:
+    virtual wxGDIRefData *CreateGDIRefData() const;
+    virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;

 
 

-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
+    // wxRegionBase pure virtuals
+    virtual bool DoIsEqual(const wxRegion& region) const;
+    virtual bool DoGetBox(wxCoord& x, wxCoord& y, wxCoord& w, wxCoord& h) const;
+    virtual wxRegionContain DoContainsPoint(wxCoord x, wxCoord y) const;
+    virtual wxRegionContain DoContainsRect(const wxRect& rect) const;

 
 

-enum wxRegionContain 
-{
-  wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
-};
+    virtual bool DoOffset(wxCoord x, wxCoord y);
+    virtual bool DoUnionWithRect(const wxRect& rect);
+    virtual bool DoUnionWithRegion(const wxRegion& region);
+    virtual bool DoIntersect(const wxRegion& region);
+    virtual bool DoSubtract(const wxRegion& region);
+    virtual bool DoXor(const wxRegion& region);
+
+    // common part of ctors for a rectangle region
+    void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);

 
 

-// 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.
+private:
+    DECLARE_DYNAMIC_CLASS(wxRegion)

 };
 
 };
 

-//-----------------------------------------------------------------------------
-// wxRegion
-//-----------------------------------------------------------------------------
+// ----------------------------------------------------------------------------
+// wxRegionIterator: decomposes a region into rectangles
+// ----------------------------------------------------------------------------

 
 

-class wxRegion : public wxGDIObject 
+class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject

 {
 {

-  DECLARE_DYNAMIC_CLASS(wxRegion);
-  
-  public:
-  
-    wxRegion( long x, long y, long w, long h );
-    wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight );
-    wxRegion( const wxRect& rect );
-    wxRegion(void);
-    ~wxRegion(void);
-
-    inline wxRegion( const wxRegion& r ) 
-      { Ref(r); }
-    inline wxRegion& operator = ( const wxRegion& r )
-      { Ref(r); return (*this); }
-
-    void Clear(void);
-
-    bool Union( long x, long y, long width, long height );
-    bool Union( const wxRect& rect );
-    bool Union( const wxRegion& region );
-
-    bool Intersect( long x, long y, long width, long height );
-    bool Intersect( const wxRect& rect );
-    bool Intersect( const wxRegion& region );
-
-    bool Subtract( long x, long y, long width, long height );
-    bool Subtract( const wxRect& rect );
-    bool Subtract( const wxRegion& region );
-
-    bool Xor( long x, long y, long width, long 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 ;
-
-    bool Empty(void) 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:
+    wxRegionIterator();
+    wxRegionIterator(const wxRegion& region);
+    wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
+    ~wxRegionIterator();
+
+    wxRegionIterator& operator=(const wxRegionIterator& ri);
+
+    void Reset() { m_current = 0u; }
+    void Reset(const wxRegion& region);
+
+    bool HaveRects() const;
+    operator bool () const { return HaveRects(); }
+
+    wxRegionIterator& operator ++ ();
+    wxRegionIterator 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:
+    void Init();
+    void CreateRects( const wxRegion& r );
+
+    wxRegion m_region;
+    wxRect *m_rects;
+    int m_numRects;
+    int m_current;
+
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator)

 };
 
 };
 

+

 #endif
 #endif

-       // __REGIONH__
+        // _WX_GTK_REGION_H_