[Please reply-all.] I forget when racket/draw was introduced, I think with the graphical rewrite. I've never seen the float problem you mention.
Did you using "rotate" on the dc solve your problem? Jay 2011年5月3日13:43 Jyu 。 <[email protected]>: > Thanks for response, I'm not use 2htdp/image, because I don't want to have > problem with bounding boxes.. > I draw with a dc directly in with draw-bitmap yes. > Is racket/draw only available on Racket 5.1 ? Because I have problems with > floats with Racket 5.1 on ubuntu... > For example, if I write "(printf "~a" 0.8)" on the top level, this return > "0.0" > It's very problematic for Chipmunk.. > >> Date: Mon, 2 May 2011 15:53:00 -0600 >> Subject: Re: [racket] Racket/gui : How to rotate a bitmap% ? >> From: [email protected] >> To: [email protected] >> CC: [email protected] >> >> If you are using 2htdp/image, you can use 'rotate' >> >> >> http://pre.racket-lang.org/docs/html/teachpack/2htdpimage.html#(def._((lib._2htdp/image..rkt)._rotate)) >> >> If you are using a dc directly with draw-bitmap, you can use a >> different 'rotate' >> >> >> http://pre.racket-lang.org/docs/html/draw/dc___.html?q=draw-bitmap#(meth._(((lib._racket/draw..rkt)._dc~3c~25~3e)._rotate)) >> >> How are you drawing? >> >> Jay >> >> 2011年5月2日15:30 Jyu 。 <[email protected]>: >> > Hi ! >> > For a school project who use the chipmunk 2D physics library, I need to >> > rotate an image (instance of bitmap%).. >> > I searched for a long time but I have not found, someone know how can I >> > do >> > this ? >> > Thanks. >> > _________________________________________________ >> > For list-related administrative tasks: >> > http://lists.racket-lang.org/listinfo/users >> > >> >> >> >> -- >> Jay McCarthy <[email protected]> >> Assistant Professor / Brigham Young University >> http://faculty.cs.byu.edu/~jay >> >> "The glory of God is Intelligence" - D&C 93 > -- Jay McCarthy <[email protected]> Assistant Professor / Brigham Young University http://faculty.cs.byu.edu/~jay "The glory of God is Intelligence" - D&C 93 _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
