X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/35917d228a9fc3cecd3bd8a2b67a3bf34713723b..07170120ee06625fead8c72ad537bf41fa3ed8a9:/include/wx/gtk/region.h

diff --git a/include/wx/gtk/region.h b/include/wx/gtk/region.h
index 89541c1d15..5eec88fe82 100644
--- a/include/wx/gtk/region.h
+++ b/include/wx/gtk/region.h
@@ -10,7 +10,7 @@
 #ifndef _WX_GTK_REGION_H_
 #define _WX_GTK_REGION_H_
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma interface
 #endif
 
@@ -52,21 +52,50 @@ enum wxRegionOp
 class wxRegion : public wxGDIObject
 {
 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( const wxRegion& r ) { Ref(r); }
-    wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; }
+    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();
+
+    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 );
+    bool operator != ( const wxRegion& region ) { return !(*this == region); }
 
     void Clear();
-    
+
     bool Offset( wxCoord x, wxCoord y );
 
     bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
@@ -96,16 +125,34 @@ public:
     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:
-    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:
-    // 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:
     DECLARE_DYNAMIC_CLASS(wxRegion);
@@ -124,11 +171,11 @@ public:
     void Reset() { m_current = 0u; }
     void Reset(const wxRegion& region);
 
-    operator bool () 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;