#ifndef _WX_REGION_H_
#define _WX_REGION_H_
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "region.h"
#endif
#include "wx/list.h"
#include "wx/gdiobj.h"
+#include "wx/gdicmn.h"
+
+// ----------------------------------------------------------------------------
+// A list of rectangles type used by wxRegion and wxWindow
+// ----------------------------------------------------------------------------
+
+WX_DECLARE_LIST(wxRect, wxRectList);
-class WXDLLEXPORT wxRect;
-class WXDLLEXPORT wxPoint;
enum wxRegionContain {
- wxOutRegion = 0, wxPartRegion = 1, wxInRegion = 2
+ 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.
+ 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;
+ DECLARE_DYNAMIC_CLASS(wxRegion)
+ friend class WXDLLEXPORT wxRegionIterator;
public:
- wxRegion(long x, long y, long w, long h);
+ wxRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord 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();
+ wxRegion( const wxBitmap& bmp,
+ const wxColour& transColour = wxNullColour,
+ int tolerance = 0)
+ {
+ Union(bmp, transColour, tolerance);
+ }
+ ~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(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); }
+
+ // 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); }
+
+ // 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(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() 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;
-
-// 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 Ok() const { return (m_refData != NULL) ; }
+
+ //# 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. If the bitmap has a mask then it will be used,
+ // otherwise the colour to be treated as transparent may be specified,
+ // along with an optional tolerance value.
+ bool Union(const wxBitmap& bmp,
+ const wxColour& transColour = wxNullColour,
+ int tolerance = 0);
+
+ // 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);
+
+ // Get the internal Region handle
+ WXRegion GetXRegion() const;
+
+ // 'Naughty' functions that allow wxWindows to use a list of rects
+ // instead of the region, in certain circumstances (e.g. when
+ // making a region out of the update rectangles).
+ // These are used by wxPaintDC::wxPaintDC and wxRegionIterator::Reset.
+ bool UsingRects() const;
+ wxRect* GetRects();
+ int GetRectCount() const;
+ void SetRects(const wxRectList& rectList);
+ void SetRects(int count, const wxRect* rects);
};
class WXDLLEXPORT wxRegionIterator : public wxObject {
-DECLARE_DYNAMIC_CLASS(wxRegionIterator);
+ 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(); }
+ wxCoord GetX() const;
+ wxCoord GetY() const;
+ wxCoord GetW() const;
+ wxCoord GetWidth() const { return GetW(); }
+ wxCoord GetH() const;
+ wxCoord GetHeight() const { return GetH(); }
+ wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
private:
- long m_current;
- long m_numRects;
- wxRegion m_region;
+ size_t m_current;
+ size_t m_numRects;
+ wxRegion m_region;
wxRect* m_rects;
};
#endif
- // _WX_REGION_H_
+// _WX_REGION_H_
projects / wxWidgets.git / blobdiff