/////////////////////////////////////////////////////////////////////////////
-// Name: region.h
+// Name: wx/msw/region.h
// Purpose: wxRegion class
// Author: Markus Holzem, Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_REGION_H_
class WXDLLEXPORT wxRect;
class WXDLLEXPORT wxPoint;
-enum wxRegionContain {
- wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
+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.
+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 {
-DECLARE_DYNAMIC_CLASS(wxRegion);
- friend class WXDLLEXPORT wxRegionIterator;
+class WXDLLEXPORT 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(WXHRGN hRegion); // Hangs on to this region
+ wxRegion(size_t n, const wxPoint *points, int fillStyle = wxODDEVEN_RULE );
- wxRegion(void);
- ~wxRegion(void);
+ virtual ~wxRegion();
- //# Copying
- inline wxRegion(const wxRegion& r)
- { Ref(r); }
- inline wxRegion& operator = (const wxRegion& r)
- { Ref(r); return (*this); }
+ // Copying
+ wxRegion(const wxRegion& r)
+ { Ref(r); }
+ wxRegion& operator = (const wxRegion& r)
+ { Ref(r); return (*this); }
- //# Modify region
- // Clear current region
- void Clear(void);
+ // Modify region
+ // -------------
- // Union rectangle or region with this.
- inline bool Union(wxCoord x, wxCoord y, wxCoord width, wxCoord 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); }
+ // Clear current region
+ void Clear();
- // Intersect rectangle or region with this.
- inline bool Intersect(wxCoord x, wxCoord y, wxCoord width, wxCoord 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); }
+ // Move the region
+ bool Offset(wxCoord x, wxCoord y);
- // Subtract rectangle or region from this:
+ // 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.
- inline bool Subtract(wxCoord x, wxCoord y, wxCoord width, wxCoord 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(wxCoord x, wxCoord y, wxCoord width, wxCoord 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(wxCoord& x, wxCoord& y, wxCoord&w, wxCoord &h) const;
- wxRect GetBox(void) const ;
-
- // Is region empty?
- bool Empty(void) const;
+ 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;
+ // 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);
+ 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);
// Get internal region handle
WXHRGN GetHRGN() const;
+
+protected:
+ virtual wxObjectRefData *CreateRefData() const;
+ virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
+
+ friend class WXDLLEXPORT wxRegionIterator;
+
+ DECLARE_DYNAMIC_CLASS(wxRegion)
};
-class WXDLLEXPORT wxRegionIterator : public wxObject {
-DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+class WXDLLEXPORT wxRegionIterator : public wxObject
+{
public:
- wxRegionIterator(void);
- wxRegionIterator(const wxRegion& region);
- ~wxRegionIterator(void);
+ wxRegionIterator(void);
+ wxRegionIterator(const wxRegion& region);
+ ~wxRegionIterator(void);
- void Reset(void) { m_current = 0; }
- void Reset(const wxRegion& region);
+ void Reset(void) { m_current = 0; }
+ void Reset(const wxRegion& region);
#ifndef __SALFORDC__
- operator bool (void) const { return (m_current < m_numRects); }
+ operator bool (void) const { return (m_current < m_numRects); }
#endif
- bool HaveRects(void) const { return (m_current < m_numRects); }
+ bool HaveRects(void) const { return (m_current < m_numRects); }
- void operator ++ (void);
- void operator ++ (int);
+ void operator ++ (void);
+ void operator ++ (int);
- 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(); }
+ 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()); }
private:
- long m_current;
- long m_numRects;
- wxRegion m_region;
+ long m_current;
+ long m_numRects;
+ wxRegion m_region;
wxRect* m_rects;
+
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator);
};
#endif
- // _WX_REGION_H_
+ // _WX_REGION_H_
projects / wxWidgets.git / blobdiff