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

diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h
index 3409ce33391d8878a734c01210f989b0e7ce4c72..80eca895364e1c65bb83377f171fe86c279b4eac 100644 (file)
--- a/include/wx/gtk/region.h
+++ b/include/wx/gtk/region.h
@@ -10,10 +10,6 @@
 #ifndef _WX_GTK_REGION_H_
 #define _WX_GTK_REGION_H_
 
 #ifndef _WX_GTK_REGION_H_
 #define _WX_GTK_REGION_H_
 

-#ifdef __GNUG__
-#pragma interface
-#endif
-

 #include "wx/list.h"
 #include "wx/gdiobj.h"
 #include "wx/gdicmn.h"
 #include "wx/list.h"
 #include "wx/gdiobj.h"
 #include "wx/gdicmn.h"


@@ -22,7 +18,7 @@
 // classes
 //-----------------------------------------------------------------------------
 
 // classes
 //-----------------------------------------------------------------------------
 

-class wxRegion;
+class WXDLLIMPEXP_CORE wxRegion;

 
 //-----------------------------------------------------------------------------
 // constants
 
 //-----------------------------------------------------------------------------
 // constants


@@ -49,24 +45,50 @@ enum wxRegionOp
 // wxRegion
 // ----------------------------------------------------------------------------
 
 // wxRegion
 // ----------------------------------------------------------------------------
 

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

 {
 public:
 {
 public:

-    wxRegion();
-    wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h );
-    wxRegion( const wxPoint& topLeft, const wxPoint& bottomRight );
-    wxRegion( const wxRect& rect );
-    wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
-    virtual ~wxRegion();
+    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, int fillStyle = wxODDEVEN_RULE );
+
+    wxRegion( const wxBitmap& bmp)
+    {
+        Union(bmp);
+    }
+    wxRegion( const wxBitmap& bmp,
+              const wxColour& transColour, int tolerance = 0)
+    {
+        Union(bmp, transColour, tolerance);
+    }

 
 

-    wxRegion( const wxRegion& r ) { Ref(r); }
-    wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; }
+    ~wxRegion();

 
 

-    bool operator == ( const wxRegion& region );
-    bool operator != ( const wxRegion& region );
+    bool Ok() const { return m_refData != NULL; }
+
+    bool operator == ( const wxRegion& region ) const;
+    bool operator != ( const wxRegion& region ) const { return !(*this == region); }

 
     void Clear();
 
 
     void Clear();
 

+    bool Offset( wxCoord x, wxCoord y );
+

     bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     bool Union( const wxRect& rect );
     bool Union( const wxRegion& region );
     bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
     bool Union( const wxRect& rect );
     bool Union( const wxRegion& region );


@@ -94,26 +116,44 @@ public:
     wxRegionContain Contains(const wxPoint& pt) const;
     wxRegionContain Contains(const wxRect& rect) const;
 
     wxRegionContain Contains(const wxPoint& pt) const;
     wxRegionContain Contains(const wxRect& rect) const;
 

+    // Convert the region to a B&W bitmap with the white pixels being inside
+    // the region.
+    wxBitmap ConvertToBitmap() const;
+
+    // Use the non-transparent pixels of a wxBitmap for the region to combine
+    // with this region.  First version takes transparency from bitmap's mask,
+    // second lets the user specify the colour to be treated as transparent
+    // along with an optional tolerance value.
+    // NOTE: implemented in common/rgncmn.cpp
+    bool Union(const wxBitmap& bmp);
+    bool Union(const wxBitmap& bmp,
+               const wxColour& transColour, int tolerance = 0);
+
+

 public:
 public:

-    wxList    *GetRectList() const;
+    // Init with GdkRegion, set ref count to 2 so that
+    // the C++ class will not destroy the region!
+    wxRegion( GdkRegion *region );
+

     GdkRegion *GetRegion() const;
 
 protected:
     GdkRegion *GetRegion() const;
 
 protected:

-    // helper of Intersect()
-    bool IntersectRegionOnly(const wxRegion& reg);
+    // ref counting code
+    virtual wxObjectRefData *CreateRefData() const;
+    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;

 
 

-    // call this before modifying the region
-    void Unshare();
+    // common part of ctors for a rectangle region
+    void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);

 
 private:
 
 private:

-    DECLARE_DYNAMIC_CLASS(wxRegion);
+    DECLARE_DYNAMIC_CLASS(wxRegion)

 };
 
 // ----------------------------------------------------------------------------
 // wxRegionIterator: decomposes a region into rectangles
 // ----------------------------------------------------------------------------
 
 };
 
 // ----------------------------------------------------------------------------
 // wxRegionIterator: decomposes a region into rectangles
 // ----------------------------------------------------------------------------
 

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

 {
 public:
     wxRegionIterator();
 {
 public:
     wxRegionIterator();


@@ -122,11 +162,11 @@ public:
     void Reset() { m_current = 0u; }
     void Reset(const wxRegion& region);
 
     void Reset() { m_current = 0u; }
     void Reset(const wxRegion& region);
 

-    operator bool () const;

     bool HaveRects() const;
     bool HaveRects() const;

+    operator bool () const { return HaveRects(); }

 
 

-    void operator ++ ();
-    void operator ++ (int);
+    wxRegionIterator& operator ++ ();
+    wxRegionIterator operator ++ (int);

 
     wxCoord GetX() const;
     wxCoord GetY() const;
 
     wxCoord GetX() const;
     wxCoord GetY() const;


@@ -141,7 +181,7 @@ private:
     wxRegion m_region;
 
 private:
     wxRegion m_region;
 
 private:

-    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator)

 };
 
 
 };