Incremental changes like this can work, but a good program design is necessary
to prevent running into situations that cannot be solved with a few hacks. I
cannot suggest a better way without knowing your goals.
By the way, in the email I intended to paste those two lines after the
definitions
omg it works!!
thank you!
although I am satisfied with this method,
do you know the better way for it?
, Richard Cleis 님이 작성:
Insert the two lines below to see that what you want is possible, but I
doubt such a quick hack is the right way to do it.
rac
On Oct 27, 2010, at 8:48 PM, kty
Insert the two lines below to see that what you want is possible, but I doubt
such a quick hack is the right way to do it.
rac
On Oct 27, 2010, at 8:48 PM, kty1...@gmail.com wrote:
> hello
> I finally circle the bitmap where I point by mouse
> but there are several problem
> 1. the circle fill
thank you for your replying
maybe I have not enough experience to understand your advice easily
now I got it what the transparent option is.
I tried several change but nothing changed
could you be more specify?
I was thought I need to set a style option on circle but draw-bitmap
doesn't have suc
Greetings,
According to Racket Docs:
Just set style-
'transparent – the canvas is automatically “erased” before an update using
it’s parent window’s background; the result is undefined if this flag is
combined with 'no-autoclear
Hopefully that helps.
Sincerely,
Mathew Kurian
--
Math
hello
I finally circle the bitmap where I point by mouse
but there are several problem
1. the circle filled with white color that I can't see bitmap through the
circle
2. the drawn circle didn't erased after I point another coordinates
could somebody give me an little advice?
my code looks me
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