Applied FloodFill patch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/dc.cpp

@@ -19,6 +19,7 @@
 #include "wx/dcmemory.h"
 #include "wx/region.h"
 #include "wx/image.h"
+#include "wx/log.h"
 
 
 #if __MSL__ >= 0x6000
@@ -653,6 +654,34 @@ void  wxDC::DoFloodFill( wxCoord x, wxCoord y, const wxColour& col,
 {
 }
 
+    if (GetBrush().GetStyle() == wxTRANSPARENT)
+    {
+        wxLogDebug(wxT("In FloodFill, Current Brush is transparent, no filling done"));
+        return ;
+    }
+    int height = 0;
+    int width  = 0;
+    this->GetSize(&width, &height);
+    //it would be nice to fail if we don't get a sensible size...
+    if (width < 1 || height < 1)
+    {
+        wxLogError(wxT("In FloodFill, dc.GetSize routine failed, method not supported by this DC"));
+        return ;
+    }
+
+    //this is much faster than doing the individual pixels
+    wxMemoryDC memdc;
+    wxBitmap bitmap(width, height);
+    memdc.SelectObject(bitmap);
+    memdc.Blit(0, 0, width, height, (wxDC*) this, 0, 0);
+    memdc.SelectObject(wxNullBitmap);
+
+    wxImage image(bitmap);
+    image.DoFloodFill (x,y, GetBrush(), col, style, GetLogicalFunction());
+    bitmap = wxBitmap(image);
+    memdc.SelectObject(bitmap);
+    this->Blit(0, 0, width, height, &memdc, 0, 0);
+    memdc.SelectObject(wxNullBitmap);
 bool  wxDC::DoGetPixel( wxCoord x, wxCoord y, wxColour *col ) const 
 {
     wxCHECK_MSG( Ok(), false, wxT("wxDC::DoGetPixel  Invalid DC") );