Applied FloodFill patch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2002-04-01 21:40:42 +00:00
parent 0102f092ed
commit b1699cd397
11 changed files with 464 additions and 17 deletions

View File

@@ -45,6 +45,7 @@
#include "wx/window.h"
#include "wx/app.h"
#include "wx/image.h"
#include "wx/log.h"
#include <math.h>
@@ -230,12 +231,39 @@ wxWindowDC::~wxWindowDC()
m_userRegion = (WXRegion) 0;
}
void wxWindowDC::DoFloodFill( wxCoord WXUNUSED(x1), wxCoord WXUNUSED(y1),
const wxColour& WXUNUSED(col), int WXUNUSED(style) )
void wxWindowDC::DoFloodFill( wxCoord x1, wxCoord y1,
const wxColour& col, int style )
{
wxFAIL_MSG("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
{
// Generic (and therefore rather inefficient) method.