Re: [racket-dev] 2htdp/image Feature Suggestion
On Jun 21, 2014, at 5:02 PM, Robby Findler ro...@eecs.northwestern.edu wrote: What do you think about a variant on center-crop called crop/align that accepts a width, a height, an image, and an x-place and a y-place? That would seem to fit better into the library the way it's currently constructed. For working around the frame issue, how about just a color-frame function that controls the color for now? I agree! That’s even better in terms of use and simplicity. -Kevin_ Racket Developers list: http://lists.racket-lang.org/dev
Re: [racket-dev] 2htdp/image Feature Suggestion
On Jun 21, 2014, at 3:22 PM, Matthias Felleisen matth...@ccs.neu.edu wrote: Thanks. We will need to figure out how to accommodate keywords in a teachpack. In the meantime, write frame like this: (define (frame-2 img #:frame-color (frame-color 'black) #:background-color (background-color 'transparent) #:frame-offset (frame-offset 0) #:frame-x-offset (frame-x-offset frame-offset) #:frame-y-offset (frame-y-offset frame-offset)) (define width (+ (image-width img) frame-x-offset)) (define height (+ (image-height img) frame-y-offset)) (overlay (rectangle width height 'outline frame-color) (center-crop width height img) (rectangle width height 'solid background-color))) Prefer define over let. -- Matthias Thanks! Is there any documentation or guide on which “styles” to prefer in writing Racket code? I find myself scratching my head at times in these matters! -Kevin_ Racket Developers list: http://lists.racket-lang.org/dev
Re: [racket-dev] 2htdp/image Feature Suggestion
Thanks! I've added these two functions. Robby On Sun, Jun 22, 2014 at 12:26 PM, Kevin Forchione lyss...@gmail.com wrote: On Jun 21, 2014, at 5:02 PM, Robby Findler ro...@eecs.northwestern.edu wrote: What do you think about a variant on center-crop called crop/align that accepts a width, a height, an image, and an x-place and a y-place? That would seem to fit better into the library the way it's currently constructed. For working around the frame issue, how about just a color-frame function that controls the color for now? I agree! That’s even better in terms of use and simplicity. -Kevin _ Racket Developers list: http://lists.racket-lang.org/dev
Re: [racket-dev] 2htdp/image Feature Suggestion
On 2014-06-22 20:27:21 -0700, Kevin Forchione wrote: Thanks! Is there any documentation or guide on which *styles* to prefer in writing Racket code? I find myself scratching my head at times in these matters! In recent Racket distributions and online docs there's now a style manual: http://docs.racket-lang.org/style/index.html Cheers, Asumu _ Racket Developers list: http://lists.racket-lang.org/dev