Applied FloodFill patch

[wxWidgets.git] / src / gtk / dcclient.cpp

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 2d4299ad5a99f2ba24397cd25d6d5753071169e8..d903e9311c4c86e839075a27149f841ca0e7237b 100644 (file)
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -19,6 +19,7 @@
 #include "wx/dcmemory.h"
 #include "wx/image.h"
 #include "wx/module.h"
+#include "wx/log.h"
 
 #include "wx/gtk/win_gtk.h"
 
@@ -400,10 +401,37 @@ void wxWindowDC::DoGetSize( int* width, int* height ) const
     m_owner->GetSize(width, height);
 }
 
-void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
-                           const wxColour &WXUNUSED(col), int WXUNUSED(style) )
+void wxWindowDC::DoFloodFill( wxCoord x, wxCoord y,
+                           const wxColour & col, int style )
 {
-    wxFAIL_MSG( wxT("wxWindowDC::DoFloodFill not implemented") );
+    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 wxWindowDC::DoGetPixel( wxCoord x1, wxCoord y1, wxColour *col ) const