[Haskell-cafe] lib for drawing with mouse
branimir.maksimovic at gmail.com
Mon Mar 2 22:45:24 UTC 2020
On 3/1/20 8:44 PM, mechvel at scico.botik.ru wrote:
> does there exist a tool (library) in Haskell that supports doing the
> with graphics?
> (1) To draw a curve by mouse on a screen and save this picture in a file
> (many different curves to be input this way).
> (2) To save in data.txt the coordinates of the points of this curve,
> say, 800 pairs of numbers (floating point or rational ...).
> (3) Reversely: to draw a curve on a screen by inputting from such
> The main is (1)&(2). Because currently I set a curve by putting many
> times the
> '*' character and `space' to a text file, and this takes long.
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