/////////////////////////////////////////////////////////////////////////////
-// Name: imagfill.cpp
+// Name: src/common/imagfill.cpp
// Purpose: FloodFill for wxImage
-// Author:
+// Author: Julian Smart
// RCS-ID: $Id$
-// Copyright:
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#pragma hdrstop
#endif
-#include "wx/defs.h"
-
#if wxUSE_IMAGE && !defined(__WXMSW__)
// we have no use for this code in wxMSW...
-#include "wx/image.h"
-
#ifndef WX_PRECOMP
#include "wx/brush.h"
#include "wx/dc.h"
#include "wx/dcmemory.h"
+ #include "wx/image.h"
#endif
// DoFloodFill
wxImageFloodFill(wxImage *image,
wxCoord x, wxCoord y, const wxBrush & fillBrush,
const wxColour& testColour, int style,
- int LogicalFunction)
+ int WXUNUSED(LogicalFunction))
{
/* A diamond flood-fill using a circular queue system.
Each pixel surrounding the current pixel is added to
the queue if it meets the criteria, then is retrieved in
- its turn. Code originally based on http://www.drawit.co.nz/Developers.htm */
+ its turn. Code originally based on http://www.drawit.co.nz/Developers.htm,
+ with explicit permission to use this for wxWidgets granted by Andrew Empson
+ (no copyright claimed)
+ */
int width = image->GetWidth();
int height = image->GetHeight();
}
-#endif // wxUSE_IMAGE
+bool wxDoFloodFill(wxDC *dc, wxCoord x, wxCoord y,
+ const wxColour& col, int style)
+{
+ if (dc->GetBrush().GetStyle() == wxBRUSHSTYLE_TRANSPARENT)
+ return true;
+ int height = 0;
+ int width = 0;
+ dc->GetSize(&width, &height);
+
+ //it would be nice to fail if we don't get a sensible size...
+ wxCHECK_MSG(width >= 1 && height >= 1, false,
+ wxT("In FloodFill, dc.GetSize routine failed, method not supported by this DC"));
+
+ //this is much faster than doing the individual pixels
+ wxMemoryDC memdc;
+ wxBitmap bitmap(width, height);
+ memdc.SelectObject(bitmap);
+ memdc.Blit(0, 0, width, height, dc, 0, 0);
+ memdc.SelectObject(wxNullBitmap);
+
+ wxImage image = bitmap.ConvertToImage();
+ wxImageFloodFill(&image, x,y, dc->GetBrush(), col, style,
+ dc->GetLogicalFunction());
+ bitmap = wxBitmap(image);
+ memdc.SelectObject(bitmap);
+ dc->Blit(0, 0, width, height, &memdc, 0, 0);
+ memdc.SelectObject(wxNullBitmap);
+
+ return true;
+}
+#endif // wxUSE_IMAGE