Re: Possible fix for Windows bug #2213362

[Ethan M. <merritt@u.washington.edu>]

On Sunday 06 September 2009, Tatsuro MATSUOKA wrote:
> Hello Ethan Merritt 
> 
> I have tested your patch.
> 
> The results are fine.

Thanks!

	Ethan



> Please see
> http://www.geocities.co.jp/tmgpltwin/Files/Files.html
> 
> 0021 2213362.pdf,22,378 bytes, 2009-09-06, Results for the patch for the bug ( 2213362 win.trm: Extra
> line from end of graph to key sample) by Ethan Merritt (
> http://www.nabble.com/Possible-fix-for-Windows-bug--2213362-td25314642.html)
> 
> Regards
> 
> Tatsuro
> 
> --- Ethan Merritt  wrote:
> 
> > The win terminal Bug
> > 
> >  2213362  	 win.trm: Extra line from end of graph to key sample
> > 
> > has been with us since 4.2.4.  I really want to get this fixed before
> > putting out a 4.4-rc1.
> > 
> > Could somebody with a Windows build system please test whether the 
> > attachd patch cures it?
> > 
> > In a nutshell, if a line plot connects exactly 199 points (polymax - 1)
> > then an extra line is drawn.   Simple test case:
> > 
> > set term win
> > set key left
> > set samples 199
> > plot x
> > 
> > 		thanks in advance for any assistance,
> > 
> > 				Ethan
> > > diff -urp gnuplot/src/win/wgraph.c gnuplot-cvs/src/win/wgraph.c
> > --- gnuplot/src/win/wgraph.c	2009-08-29 14:42:00.000000000 -0700
> > +++ gnuplot-cvs/src/win/wgraph.c	2009-09-05 20:57:28.000000000 -0700
> > @@ -917,6 +917,7 @@ drawgraph(LPGW lpgw, HDC hdc, LPRECT rec
> >  	    polyi++;
> >  	    if (polyi >= polymax) {
> >  		Polyline(hdc, ppt, polyi);
> > +		MoveTo(hdc, xdash, ydash);     /* EAM 5 Sept 2009 */
> >  		ppt[0].x = xdash;
> >  		ppt[0].y = ydash;
> >  		polyi = 1;
> > 
> 
> 
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