On Wednesday, April 26, 2017 at 12:09:54 PM UTC+8, Daniel Prager wrote:
> Much as I enjoy making images using 2htdp/image it does get a tad slow as
> complexity increases.
> I currently have a program in which I generate images in 2htdp/image and
> translate them into bitmap%s per racket/gui and render on canvas%'s via a dc.
> Speed has become sluggish and I'm going to need to move away from 2htdp/image
> to address this.
> A typical image is built up out of lots of above, beside, overlay, square,
> and triangle calls.
> Does anyone have a "clever" way to do this programatically (rather than a
> manual re-write with lots of absolute calculations replacing heights and
You could try using the pict module, as a pict can be drawn directly to a
canvas using `draw-pict`. This assumes that the performance degradation is
caused by using the intermediate bitmap% object.
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