#ifndef _WX_REGION_H_
#define _WX_REGION_H_
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "region.h"
#endif
wxRegion(const wxPoint& topLeft, const wxPoint& bottomRight);
wxRegion(const wxRect& rect);
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(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(); }
bool Ok() const { return (m_refData != NULL) ; }
-
+
//# Tests
// Does the region contain the point (x,y)?
wxRegionContain Contains(wxCoord x, wxCoord y) const;
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).
wxRegionIterator();
wxRegionIterator(const wxRegion& region);
~wxRegionIterator();
-
+
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; }
-
+
void operator ++ ();
void operator ++ (int);
-
+
wxCoord GetX() const;
wxCoord GetY() const;
wxCoord GetW() const;
wxCoord GetH() const;
wxCoord GetHeight() const { return GetH(); }
wxRect GetRect() const { return wxRect(GetX(), GetY(), GetWidth(), GetHeight()); }
-
+
private:
size_t m_current;
size_t m_numRects;