Re: initailization issue? transparent_solids.dem on gnuplot 4.3 ChangeLog 2009-07-04 on win term

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

On Wednesday 08 July 2009, Petr Mikulik wrote:
> > http://www.geocities.jp/tmgpltwin/Files/Files.html
> > 0018 090709_1.png, 31,991 bytes, 2009-07-09
> > 0019 090709_2.png, 32,846 bytes, 2009-07-09
> > 
> > The transparent_solids.dem using gnuplot 4.3 ChangeLog 2009-07-04 results in those indicated in  the
> > file '0018 090709_1.png'.  The background col or became black.
> > 
> > However, I once copied the graph to clip board by using mouse click in window bar and clicked the
> > graph windows again, perhaps screen refresh occurred.  Then I could see the the graph as expected as
> > shown in the file '0019 090709_2.png'.
> 
> The bug can be reproduced by this code:
> 
> set title 'HELLO' tc rgb "blue"
> set object 1 rect from 0,0 to 5,5 fc rgb "blue"
> set object 2 rect from -6,-6 to -1,-1 fc lt 3
> plot x
> 
> => title is blue, but both rectangles are black.

Ah.  That example makes the problem more obvious.
It must be due to the change in do_rectangle() to call term->fillbox() rather
than term->filled_polygon().