remove unused variable assignment, closes #14928

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

diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h
index 51e739c73f437c75a8448635952c0f0d7a82a85d..2069305b7104ad962c4401ee34cc0f9f53fafac3 100644 (file)
--- a/include/wx/gtk/region.h
+++ b/include/wx/gtk/region.h
@@ -10,50 +10,19 @@
 #ifndef _WX_GTK_REGION_H_
 #define _WX_GTK_REGION_H_
 
 #ifndef _WX_GTK_REGION_H_
 #define _WX_GTK_REGION_H_
 

-#if defined(__GNUG__) && !defined(__APPLE__)
-#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"
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class wxRegion;
-
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-enum wxRegionContain
-{
-    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.
-};
-

 // ----------------------------------------------------------------------------
 // wxRegion
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxRegion
 // ----------------------------------------------------------------------------
 

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

 {
 public:
     wxRegion() { }
 {
 public:
     wxRegion() { }

-    
+

     wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
     {
         InitRect(x, y, w, h);
     wxRegion( wxCoord x, wxCoord y, wxCoord w, wxCoord h )
     {
         InitRect(x, y, w, h);


@@ -70,78 +39,71 @@ public:
         InitRect(rect.x, rect.y, rect.width, rect.height);
     }
 
         InitRect(rect.x, rect.y, rect.width, rect.height);
     }
 

-    wxRegion( size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
-    ~wxRegion();
-
-    wxRegion( const wxRegion& region )
-        : wxGDIObject()
-        { Ref(region); }
-    wxRegion& operator = ( const wxRegion& region ) { Ref(region); return *this; }
-
-    bool Ok() const { return m_refData != NULL; }
-
-    bool operator == ( const wxRegion& region );
-    bool operator != ( const wxRegion& region ) { return !(*this == region); }
-
-    void Clear();
+    wxRegion( size_t n, const wxPoint *points,
+              wxPolygonFillMode fillStyle = wxODDEVEN_RULE );

 
 

-    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 Intersect( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
-    bool Intersect( const wxRect& rect );
-    bool Intersect( const wxRegion& region );
-
-    bool Subtract( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
-    bool Subtract( const wxRect& rect );
-    bool Subtract( const wxRegion& region );
-
-    bool Xor( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
-    bool Xor( const wxRect& rect );
-    bool Xor( const wxRegion& region );
-
-    void GetBox( wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h ) const;
-    wxRect GetBox() const ;
+#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

 
 

-    bool Empty() const;
-    bool IsEmpty() const { return Empty(); }
+    virtual ~wxRegion();

 
 

-    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;
+    // wxRegionBase methods
+    virtual void Clear();
+    virtual bool IsEmpty() const;

 
 

-public:
-    // Init with GdkRegion, set ref count to 2 so that
-    // the C++ class will not destroy the region!
-    wxRegion( GdkRegion *region );
-    
+#ifdef __WXGTK3__
+    cairo_region_t* GetRegion() const;
+#else
+    wxRegion(const GdkRegion* region);

     GdkRegion *GetRegion() const;
     GdkRegion *GetRegion() const;

+#endif

 
 protected:
 
 protected:

-    // ref counting code
-    virtual wxObjectRefData *CreateRefData() const;
-    virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
-    
+    virtual wxGDIRefData *CreateGDIRefData() const;
+    virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
+
+    // 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;
+
+    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);
 
 private:
     // common part of ctors for a rectangle region
     void InitRect(wxCoord x, wxCoord y, wxCoord w, wxCoord h);
 
 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();
     wxRegionIterator(const wxRegion& region);
 {
 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);
 
     void Reset() { m_current = 0u; }
     void Reset(const wxRegion& region);


@@ -161,11 +123,15 @@ public:
     wxRect GetRect() const;
 
 private:
     wxRect GetRect() const;
 
 private:

-    size_t   m_current;
+    void Init();
+    void CreateRects( const wxRegion& r );
+

     wxRegion m_region;
     wxRegion m_region;

+    wxRect *m_rects;
+    int m_numRects;
+    int m_current;

 
 

-private:
-    DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+    DECLARE_DYNAMIC_CLASS(wxRegionIterator)

 };
 
 
 };