/////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/region.h
// Purpose: wxRegion class
-// Author: Markus Holzem, Julian Smart
+// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
+// Copyright: (c) 1997-2002 wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef _WX_REGION_H_
-#define _WX_REGION_H_
+#ifndef _WX_MSW_REGION_H_
+#define _WX_MSW_REGION_H_
-#ifdef __GNUG__
-#pragma interface "region.h"
-#endif
-
-#include "wx/list.h"
-#include "wx/gdiobj.h"
-#include "wx/gdicmn.h"
-
-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxPoint;
-
-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.
-};
-
-class WXDLLEXPORT wxRegion : public wxGDIObject
+class WXDLLEXPORT wxRegion : public wxRegionWithCombine
{
public:
wxRegion();
wxRegion(const wxRect& rect);
wxRegion(WXHRGN hRegion); // Hangs on to this region
wxRegion(size_t n, const wxPoint *points, int 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
virtual ~wxRegion();
- // Copying
- wxRegion(const wxRegion& r)
- { Ref(r); }
- wxRegion& operator = (const wxRegion& r)
- { Ref(r); return (*this); }
-
- // Modify region
- // -------------
-
- // Clear current region
- void Clear();
-
- // Move the region
- bool Offset(wxCoord x, wxCoord y);
-
- // Union rectangle or region with this.
- bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_OR); }
- bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); }
- bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); }
-
- // Intersect rectangle or region with this.
- bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_AND); }
- bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); }
- bool Intersect(const wxRegion& region) { return Combine(region, wxRGN_AND); }
-
- // Subtract rectangle or region from this:
- // Combines the parts of 'this' that are not part of the second region.
- bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_DIFF); }
- bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); }
- bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); }
-
- // XOR: the union of two combined regions except for any overlapping areas.
- bool Xor(wxCoord x, wxCoord y, wxCoord width, wxCoord height) { return Combine(x, y, width, height, wxRGN_XOR); }
- bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); }
- bool Xor(const wxRegion& region) { return Combine(region, wxRGN_XOR); }
-
- // Information on region
- // ---------------------
-
- // Outer bounds of region
- void GetBox(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
- wxRect GetBox(void) const ;
-
- // Is region empty?
- bool Empty(void) const;
- inline bool IsEmpty(void) const { return Empty(); }
-
- // Tests
- // Does the region contain the point (x,y)?
- wxRegionContain Contains(wxCoord x, wxCoord y) const;
- // Does the region contain the point pt?
- wxRegionContain Contains(const wxPoint& pt) const;
- // Does the region contain the rectangle (x, y, w, h)?
- wxRegionContain Contains(wxCoord x, wxCoord y, wxCoord w, wxCoord h) const;
- // Does the region contain the rectangle rect?
- wxRegionContain Contains(const wxRect& rect) const;
-
-// Internal
- bool Combine(wxCoord x, wxCoord y, wxCoord width, wxCoord height, wxRegionOp op);
- bool Combine(const wxRegion& region, wxRegionOp op);
- bool Combine(const wxRect& rect, wxRegionOp op);
+ // wxRegionBase methods
+ virtual void Clear();
+ virtual bool IsEmpty() const;
// Get internal region handle
WXHRGN GetHRGN() const;
virtual wxObjectRefData *CreateRefData() const;
virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
- friend class WXDLLEXPORT wxRegionIterator;
+ 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 DoCombine(const wxRegion& region, wxRegionOp op);
+
+ friend class WXDLLIMPEXP_FWD_CORE wxRegionIterator;
DECLARE_DYNAMIC_CLASS(wxRegion)
};
class WXDLLEXPORT wxRegionIterator : public wxObject
{
public:
- wxRegionIterator(void);
+ wxRegionIterator() { Init(); }
wxRegionIterator(const wxRegion& region);
- ~wxRegionIterator(void);
+ wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
+
+ wxRegionIterator& operator=(const wxRegionIterator& ri);
- void Reset(void) { m_current = 0; }
+ virtual ~wxRegionIterator();
+
+ void Reset() { m_current = 0; }
void Reset(const wxRegion& region);
-#ifndef __SALFORDC__
- operator bool (void) const { return (m_current < m_numRects); }
-#endif
+ bool HaveRects() const { return (m_current < m_numRects); }
+
+ operator bool () const { return HaveRects(); }
- bool HaveRects(void) const { return (m_current < m_numRects); }
+ wxRegionIterator& operator++();
+ wxRegionIterator operator++(int);
- void operator ++ (void);
- void operator ++ (int);
+ wxCoord GetX() const;
+ wxCoord GetY() const;
+ wxCoord GetW() const;
+ wxCoord GetWidth() const { return GetW(); }
+ wxCoord GetH() const;
+ wxCoord GetHeight() const { return GetH(); }
- wxCoord GetX(void) const;
- wxCoord GetY(void) const;
- wxCoord GetW(void) const;
- wxCoord GetWidth(void) const { return GetW(); }
- wxCoord GetH(void) const;
- wxCoord GetHeight(void) const { return GetH(); }
- wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
+ wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
private:
+ // common part of all ctors
+ void Init();
+
long m_current;
long m_numRects;
wxRegion m_region;
wxRect* m_rects;
- DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator)
};
-#endif
- // _WX_REGION_H_
+#endif // _WX_MSW_REGION_H_
projects / wxWidgets.git / blobdiff