#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"
// classes
//-----------------------------------------------------------------------------
-class wxRegion;
+class WXDLLIMPEXP_CORE wxRegion;
//-----------------------------------------------------------------------------
// constants
// wxRegion
// ----------------------------------------------------------------------------
-class wxRegion : public wxGDIObject
+class WXDLLIMPEXP_CORE 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( 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();
-
+
bool Offset( wxCoord x, wxCoord y );
bool Union( wxCoord x, wxCoord y, wxCoord width, wxCoord height );
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);
+ DECLARE_DYNAMIC_CLASS(wxRegion)
};
// ----------------------------------------------------------------------------
// wxRegionIterator: decomposes a region into rectangles
// ----------------------------------------------------------------------------
-class wxRegionIterator: public wxObject
+class WXDLLIMPEXP_CORE wxRegionIterator: public wxObject
{
public:
wxRegionIterator();
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;
wxRegion m_region;
private:
- DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator)
};