+wxRIRefData::~wxRIRefData()
+{
+ delete m_rects;
+}
+
+void wxRIRefData::CreateRects( const wxRegion& region )
+{
+ if (m_rects)
+ delete m_rects;
+
+ m_rects = 0;
+ m_numRects = 0;
+
+ GdkRegion *gdkregion = region.GetRegion();
+ if (!gdkregion) return;
+
+#ifdef __WXGTK20__
+ GdkRectangles *gdkrects = NULL;
+ gint numRects = 0;
+ gdk_region_get_rectangles( gdkregion, &gdkrect, &numRects );
+
+ m_numRects = numRects;
+ if (numRects)
+ {
+ m_rects = new wxRect[m_numRects];
+ for (size_t i=0; i < m_numRects; ++i)
+ {
+ GdkRectangle &gr = gdkrects[i];
+ wxRect &wr = m_rects[i];
+ wr.x = gr.x;
+ wr.y = gr.y;
+ wr.width = gr.width;
+ wr.height = gr.height;
+ }
+ }
+ g_delete( gdkrects ); // delete []
+#else
+ Region r = ((GdkRegionPrivate *)gdkregion)->xregion;
+ if (r)
+ {
+ m_numRects = r->numRects;
+ if (m_numRects)
+ {
+ m_rects = new wxRect[m_numRects];
+ for (size_t i=0; i < m_numRects; ++i)
+ {
+ _XBox &xr = r->rects[i];
+ wxRect &wr = m_rects[i];
+ wr.x = xr.x1;
+ wr.y = xr.y1;
+ wr.width = xr.x2-xr.x1;
+ wr.height = xr.y2-xr.y1;
+ }
+ }
+ }
+#endif
+}
+
+wxRegionIterator::wxRegionIterator()
+{
+ m_refData = new wxRIRefData();
+ Reset();
+}
+
+wxRegionIterator::wxRegionIterator( const wxRegion& region )
+{
+ m_refData = new wxRIRefData();
+ Reset(region);
+}
+
+void wxRegionIterator::Reset( const wxRegion& region )
+{
+ m_region = region;
+ ((wxRIRefData*)m_refData)->CreateRects(region);
+ Reset();
+}
+
+bool wxRegionIterator::HaveRects() const
+{
+ return m_current < ((wxRIRefData*)m_refData)->m_numRects;
+}
+
+wxRegionIterator::operator bool () const
+{
+ return HaveRects();
+}
+
+void wxRegionIterator::operator ++ ()
+{
+ if (HaveRects()) ++m_current;
+}
+
+void wxRegionIterator::operator ++ (int)
+{
+ if (HaveRects()) ++m_current;
+}
+
+wxCoord wxRegionIterator::GetX() const
+{
+ if( !HaveRects() ) return 0;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].x;
+}
+
+wxCoord wxRegionIterator::GetY() const
+{
+ if( !HaveRects() ) return 0;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].y;
+}
+
+wxCoord wxRegionIterator::GetW() const
+{
+ if( !HaveRects() ) return -1;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].width;
+}
+
+wxCoord wxRegionIterator::GetH() const
+{
+ if( !HaveRects() ) return -1;
+ return ((wxRIRefData*)m_refData)->m_rects[m_current].height;
+}
+
+wxRect wxRegionIterator::GetRect() const
+{
+ wxRect r;
+ if( HaveRects() )
+ r = ((wxRIRefData*)m_refData)->m_rects[m_current];
+
+ return r;
+}
+