/////////////////////////////////////////////////////////////////////////////
// Name: region.h
// Purpose: wxRegion class
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: ??/??/98
+// Created: 10/15/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_REGION_H_
#define _WX_REGION_H_
-#ifdef __GNUG__
-#pragma interface "region.h"
-#endif
-
#include "wx/list.h"
#include "wx/gdiobj.h"
#include "wx/gdicmn.h"
class WXDLLEXPORT wxPoint;
enum wxRegionContain {
- wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
+ wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
};
// So far, for internal use only
class WXDLLEXPORT wxRegion : public wxGDIObject {
DECLARE_DYNAMIC_CLASS(wxRegion);
- friend class WXDLLEXPORT wxRegionIterator;
+ friend class WXDLLEXPORT wxRegionIterator;
public:
wxRegion(long x, long y, long w, long h);
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRegion(const wxRect& rect);
- wxRegion();
- ~wxRegion();
-
- //# Copying
- inline wxRegion(const wxRegion& r)
- { Ref(r); }
- inline wxRegion& operator = (const wxRegion& r)
- { Ref(r); return (*this); }
-
- //# Modify region
- // Clear current region
- void Clear();
-
- // Union rectangle or region with this.
- inline bool Union(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_OR); }
- inline bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); }
- inline bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); }
-
- // Intersect rectangle or region with this.
- inline bool Intersect(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_AND); }
- inline bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); }
- inline bool Intersect(const wxRegion& region) { return Combine(region, wxRGN_AND); }
-
- // Subtract rectangle or region from this:
+ wxRegion(WXHRGN hRegion); // Hangs on to this region
+
+ wxRegion();
+ ~wxRegion();
+
+ //# Copying
+ inline wxRegion(const wxRegion& r)
+ { Ref(r); }
+ inline wxRegion& operator = (const wxRegion& r)
+ { Ref(r); return (*this); }
+
+ //# Modify region
+ // Clear current region
+ void Clear();
+
+ // Union rectangle or region with this.
+ inline bool Union(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_OR); }
+ inline bool Union(const wxRect& rect) { return Combine(rect, wxRGN_OR); }
+ inline bool Union(const wxRegion& region) { return Combine(region, wxRGN_OR); }
+
+ // Intersect rectangle or region with this.
+ inline bool Intersect(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_AND); }
+ inline bool Intersect(const wxRect& rect) { return Combine(rect, wxRGN_AND); }
+ inline 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.
- inline bool Subtract(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_DIFF); }
- inline bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); }
- inline bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); }
-
- // XOR: the union of two combined regions except for any overlapping areas.
- inline bool Xor(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_XOR); }
- inline bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); }
- inline bool Xor(const wxRegion& region) { return Combine(region, wxRGN_XOR); }
-
- //# Information on region
- // Outer bounds of region
- void GetBox(long& x, long& y, long&w, long &h) const;
- wxRect GetBox() const ;
-
- // Is region empty?
- bool Empty() const;
+ inline bool Subtract(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_DIFF); }
+ inline bool Subtract(const wxRect& rect) { return Combine(rect, wxRGN_DIFF); }
+ inline bool Subtract(const wxRegion& region) { return Combine(region, wxRGN_DIFF); }
+
+ // XOR: the union of two combined regions except for any overlapping areas.
+ inline bool Xor(long x, long y, long width, long height) { return Combine(x, y, width, height, wxRGN_XOR); }
+ inline bool Xor(const wxRect& rect) { return Combine(rect, wxRGN_XOR); }
+ inline bool Xor(const wxRegion& region) { return Combine(region, wxRGN_XOR); }
+
+ //# Information on region
+ // Outer bounds of region
+ void GetBox(long& x, long& y, long&w, long &h) const;
+ wxRect GetBox() const ;
+
+ // Is region empty?
+ bool Empty() const;
inline bool IsEmpty() const { return Empty(); }
- //# Tests
- // Does the region contain the point (x,y)?
- wxRegionContain Contains(long x, long 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(long x, long y, long w, long h) const;
- // Does the region contain the rectangle rect?
- wxRegionContain Contains(const wxRect& rect) const;
+ //# Tests
+ // Does the region contain the point (x,y)?
+ wxRegionContain Contains(long x, long 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(long x, long y, long w, long h) const;
+ // Does the region contain the rectangle rect?
+ wxRegionContain Contains(const wxRect& rect) const;
// Internal
- bool Combine(long x, long y, long width, long height, wxRegionOp op);
- bool Combine(const wxRegion& region, wxRegionOp op);
- bool Combine(const wxRect& rect, wxRegionOp op);
+ bool Combine(long x, long y, long width, long height, wxRegionOp op);
+ bool Combine(const wxRegion& region, wxRegionOp op);
+ bool Combine(const wxRect& rect, wxRegionOp op);
+
+ // Get internal region handle
+ WXHRGN GetHRGN() const;
};
class WXDLLEXPORT wxRegionIterator : public wxObject {
DECLARE_DYNAMIC_CLASS(wxRegionIterator);
public:
- wxRegionIterator();
- wxRegionIterator(const wxRegion& region);
- ~wxRegionIterator();
+ wxRegionIterator();
+ wxRegionIterator(const wxRegion& region);
+ ~wxRegionIterator();
- void Reset() { m_current = 0; }
- void Reset(const wxRegion& region);
+ void Reset() { m_current = 0; }
+ void Reset(const wxRegion& region);
- operator bool () const { return m_current < m_numRects; }
- bool HaveRects() const { return m_current < m_numRects; }
+ operator bool () const { return m_current < m_numRects; }
+ bool HaveRects() const { return m_current < m_numRects; }
- void operator ++ ();
- void operator ++ (int);
+ void operator ++ ();
+ void operator ++ (int);
- long GetX() const;
- long GetY() const;
- long GetW() const;
- long GetWidth() const { return GetW(); }
- long GetH() const;
- long GetHeight() const { return GetH(); }
+ long GetX() const;
+ long GetY() const;
+ long GetW() const;
+ long GetWidth() const { return GetW(); }
+ long GetH() const;
+ long GetHeight() const { return GetH(); }
wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
private:
- long m_current;
- long m_numRects;
- wxRegion m_region;
+ long m_current;
+ long m_numRects;
+ wxRegion m_region;
wxRect* m_rects;
};
#endif
- // _WX_REGION_H_
+ // _WX_REGION_H_
projects / wxWidgets.git / blobdiff