Re: Possible fix for Windows bug #2213362

[Tatsuro M. <tma...@ya...>]

Hello Ethan Merritt 

I have tested your patch.

The results are fine.
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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