LOGO-L> problems with ver 6.2

[MHELHEFNY@FRCU.EUN.EG]

;Jim Muller wrote:-

>This may be a problem in your system. I ran your procedure in both 6.1 and
>6.2 and saw no noticeable difference on my 233 Mhz Intel system.

;George Mills wrote:-

>I could not see a difference between 6.1 and 6.2 either
>on my AGP graphics system. But I did find a problem which
>may effect performance on some machines that have graphics
>cards that are slow relative to their CPU performance. The
>description of the fix is below and it is available for
>download.

>  o Added for 6.2a, Fixed performance problem for when a WINDOWCREATE or
>    DIALOGCREATE exists. When controls such as BUTTONCREATE are in the
>    graphics screen MSWLogo will use a different method for drawing to
>    make sure it does not draw on top of the controls. The speed difference
>    will vary depending on the speed of your graphics card. The problem
>    here was MSWLogo mistook a WINDOWCREATE or DIALOGCREATE as a
>    control in the graphics screen and unnecessarily enabled the alternate
>    (sometimes slower) drawing mode. If you want blazing speed keep
>    your controls in seperate windows.

>Let me know if it fixes it for you because it was hard for
>me to test.

;Helo Jim ! Hello George !
;Thanks for your response.

;Still I am not shure if the problem is due to my pentium 166 mhz cpu
;and my sis pci 1 MB graphics card. or it is due to any other reason
;probably due to my code itself.
;Now let me more precisely describe the problem which I formerly said
;that it was a speed degradation:-

;When I click the scrollbars to change the dimension of the ellipsoid
;(running under ver. 6.2) it redraws the new shape and afterwords it
;clears the old shape, while (under ver 6.1) it seems that the old shape
;is cleard first then the new one is redrawn. So it seems that in the
;period between drawing the updated shape and clearing the old one there
;is a something  resulting that instantaneously for a very short but
;noticable period there is two drawings on the screen.
;Best Regards.
;Mhelhefny
;------------------------
---------------------------------------------------------------
Please post messages to the Logo forum to logo-l@gsn.org.  Mail
questions about the list administration to logofdn@gsn.org.  To
unsubscribe send    unsubscribe logo-l    to majordomo@gsn.org.