bugMIT/GNU Scheme - Bugs: bug #5329, graphics-draw-line not working

 
 

bug #5329: graphics-draw-line not working

Submitter:  None
Submitted:  Tue 16 Sep 2003 04:29:53 AM UTC
 
Category:  None Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect behavior
Status:  Works For Me Privacy:  Public
Assigned to:  cph Originator Name: 
Originator Email:  -email is unavailable- Open/Closed:  Open
Keywords: 
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Fri 29 Jan 2010 05:51:47 PM UTC, comment #4: 
-Deleted Account- <annaanna1>
  Spam posted by anonymous
Thu 22 Jul 2004 03:04:06 AM UTC, comment #2: 

I am unable to reproduce this bug.

Chris Hanson <cph>
Project Administrator
Tue 16 Sep 2003 04:31:07 AM UTC, comment #1: 

Should have put my contact info in!

Dan Becker

-email is unavailable-

Anonymous
Tue 16 Sep 2003 04:29:53 AM UTC, original submission:  

I'm running 7.7.1 MIT scheme that comes with the scmutils stuff (http://www-swiss.ai.mit.edu/~gjs/6946/linux-install.htm).

Running the following code produces a window with two line.  There should just be one:

(begin
  (define win1 (frame -1 1 -1 1))
  (graphics-draw-line win1 .2 .9 .1 .3)
  (graphics-draw-line win1 .1 .3 .2 .9))

I see the same behavior with this:

(begin
  (define win1 (frame -1 1 -1 1))
  (graphics-move-cursor win1 .2 .9)
  (graphics-drag-cursor win1 .1 .3)
  (graphics-move-cursor win1 .1 .3)
  (graphics-drag-cursor win1 .2 .9))

Neither line is the correct line.  If the line to be plotted is horizontal or vertical, it works OK.

I'm running on Linuz, a recent (last 18 months) suse distribution.  I can't believe this bug escaped, so wonder if I've something misconfigured, but don't know where to begin to look.

Anonymous

 

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  • -email is unavailable- added by annaanna1 (Posted a comment)
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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2008-07-09 None Attached File- Added get_mysql_80x15.png, #16067
    2004-07-22 cph Carbon-Copy- Added danbek --AT-- totalspeed --DOT-- com
    2004-07-22 cph StatusNone Works For Me
        Assigned toNone cph

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