/////////////////////////////////////////////////////////////////////////////
-// Name: region.h
+// 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 and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) 1997-2002 wxWidgets team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifndef __REGIONH__
-#define __REGIONH__
+#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 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.
+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(long x, long y, long w, long h);
+ 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( const wxBitmap& bmp)
+ {
+ Union(bmp);
+ }
+ wxRegion( const wxBitmap& bmp,
+ const wxColour& transColour, int tolerance = 0)
+ {
+ Union(bmp, transColour, tolerance);
+ }
+
+ virtual ~wxRegion();
+
+ // 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() const ;
+
+ // Is region empty?
+ bool Empty() const;
+ inline bool IsEmpty() 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;
+
+ // 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);
- wxRegion(void);
- ~wxRegion(void);
-
- //# 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(void);
+// 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);
- // 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); }
+ // Get internal region handle
+ WXHRGN GetHRGN() const;
- // 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); }
+protected:
+ virtual wxObjectRefData *CreateRefData() const;
+ virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
- // 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(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(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;
+ friend class WXDLLEXPORT wxRegionIterator;
-// 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);
+ 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() { Init(); }
+ wxRegionIterator(const wxRegion& region);
+ wxRegionIterator(const wxRegionIterator& ri) : wxObject(ri) { Init(); *this = ri; }
+
+ wxRegionIterator& operator=(const wxRegionIterator& ri);
+
+ virtual ~wxRegionIterator();
+
+ void Reset() { m_current = 0; }
+ void Reset(const wxRegion& region);
- void Reset(void) { m_current = 0; }
- void Reset(const wxRegion& region);
+ bool HaveRects() const { return (m_current < m_numRects); }
- operator bool (void) const { return m_current < m_numRects; }
- bool HaveRects(void) const { return m_current < m_numRects; }
+#ifndef __SALFORDC__
+ operator bool () const { return HaveRects(); }
+#endif
+
+ 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(); }
- long GetX(void) const;
- long GetY(void) const;
- long GetW(void) const;
- long GetWidth(void) const { return GetW(); }
- long GetH(void) const;
- long GetHeight(void) const { return GetH(); }
+ wxRect GetRect() const { return wxRect(GetX(), GetY(), GetW(), GetH()); }
private:
- long m_current;
- long m_numRects;
- wxRegion m_region;
+ // common part of all ctors
+ void Init();
+
+ long m_current;
+ long m_numRects;
+ wxRegion m_region;
wxRect* m_rects;
+
+ DECLARE_DYNAMIC_CLASS(wxRegionIterator)
};
#endif
- // __REGIONH__
+ // _WX_REGION_H_
projects / wxWidgets.git / blobdiff