OpenEuphoria

Re: [dos] trouble with image.e

• Posted by Colin Taylor <ctaylor at RACSA.CO.CR> Jan 19, 2001
• 384 views

Your example appeared correct, so I tested it on my computer.  It worked
fine.  Rob's example for get_screen_char() in Library.doc (which uses {s})
appears incorrect.

- Colin Taylor


----- Original Message -----
From: John McAdam <johnmcadam at CLIX.PT>
To: <EUPHORIA at LISTSERV.MUOHIO.EDU>
Sent: Friday, January 19, 2001 6:42 AM
Subject: [dos] trouble with image.e


> Am I overlooking something really obvious or is my computer
> somehow different?
>
> I was working on a little program and wanted to change a letter without
> changing the screen colors. This trivial program snatch shows the
> problem. This code always gives me the error "slice ends past end".
> In this example it would be easy to manually reset the colors, but in
> my program there are too many colors to keep track of. I should be
> able to just get the colors off the screen.
>
> include graphics.e
> include image.e
> global sequence s s={0,0}
> if graphics_mode(3) then abort(1) end if
> --put a letter using text and background colors
> position(10,10) text_color(12) bk_color(2)  puts(1,'A')
> --now put another letter but without changing the existing colors
> s=get_screen_char(10,10)
> s[1]='B'       --s[2] should still have the colors
> put_screen_char(10,10,s)
> --why does slice end past end of sequence?
>