Re: [racket] draw circle over bitmap and erase old circle

2010-10-27 Thread kty1104
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

Re: [racket] draw circle over bitmap and erase old circle

2010-10-27 Thread kty1104
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

[racket] draw circle over bitmap and erase old circle

2010-10-27 Thread kty1104
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

[racket] update canvas image

2010-10-27 Thread kty1104
hello~ I am making map editor one of the editor's ability is select tile image from chip-set(kind of town map tile) image and circle the selected tile I made a following code but I don't think that this is good way to update image and it doesn't working properly as well. could somebody give

Re: [racket] internet connect through ip sharer

2010-10-26 Thread kty1104
thank you for your replying I think my case is the most former one what I have to do if there is some problem to be able to get a route? On Oct 26, 2010 1:44am, Neil Van Dyke wrote: 김태윤 wrote at 10/25/2010 11:47 AM: I want to make program that connect both computer and send and receive dat

[racket] there must be function right after parenthesis?

2010-10-26 Thread kty1104
there must be function right after parenthesis? hello~ while I am learning GUI programming in DrRacket, I don't get how string literal can be placed right after parenthesis such as (define frame (instantiate frame% ("Example"))) (define msg (instantiate message% ("No events so far..." frame))) (in

[racket] help simple networking

2010-10-07 Thread kty1104
hello I am making simple networking program, server and client but it doesn't working properly the "received" string is displayed on server side but that's not a my intention I try to give and take variables but fails again and again could somebody please let me know what I have to do? server s

[racket] automate repetitive work. help

2010-10-06 Thread kty1104
hello there is a paragraph, "Hackers (and creative people in general) should never be bored or have to drudge at stupid repetitive work, because when this happens it means they aren't doing what only they can do — solve new problems." I'm not a hacker but a just scheme beginner though, sam

[racket] automate repetitive work. help

2010-10-06 Thread kty1104
hello there is a paragraph, "Hackers (and creative people in general) should never be bored or have to drudge at stupid repetitive work, because when this happens it means they aren't doing what only they can do — solve new problems." I'm not a hacker but a just scheme beginner though, sam