// Name: wx/gtk/region.h
// Purpose:
// Author: Robert Roebling
-// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GTK_REGION_H_
#define _WX_GTK_REGION_H_
-#ifdef __GNUG__
-#pragma interface
+#ifdef __WXGTK3__
+typedef struct _cairo_region cairo_region_t;
#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
// ----------------------------------------------------------------------------
-class wxRegion : public wxGDIObject
+class WXDLLIMPEXP_CORE wxRegion : public wxRegionBase
{
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( const wxRegion& r ) { Ref(r); }
- wxRegion& operator = ( const wxRegion& r ) { Ref(r); return *this; }
-
- bool operator == ( const wxRegion& region );
- bool operator != ( const wxRegion& region );
-
- void Clear();
+ 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
- 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 ;
-
- 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:
- wxList *GetRectList() const;
+#ifdef __WXGTK3__
+ cairo_region_t* GetRegion() const;
+#else
+ wxRegion(const GdkRegion* region);
GdkRegion *GetRegion() const;
+#endif
protected:
- // helper of Intersect()
- bool IntersectRegionOnly(const wxRegion& reg);
+ 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);
- // 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();
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);
- 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;
wxRect GetRect() const;
private:
- size_t m_current;
+ void Init();
+ void CreateRects( const wxRegion& r );
+
wxRegion m_region;
+ wxRect *m_rects;
+ int m_numRects;
+ int m_current;
-private:
- DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator)
};
projects / wxWidgets.git / blobdiff