The application is a simple LISP repl to automate simple graphical tasks, like resizing, cropping, coloring, and generating procedural imagery. You can look at these example files to better understand how this all works.

; draw a red square
(stroke 
  (rect 30 30 100 100) 2 "red")

Install & Run

You can download builds for OSX, Windows and Linux, or if you wish to build it yourself, follow these steps:

git clone https://github.com/hundredrabbits/Ronin.git
cd Ronin/desktop/
npm install
npm start

Library

(import path rect) Imports a graphic file with format.
(export path ~format ~quality) Exports a graphic file with format.
(pos x y ~t) Returns a position shape.
(size w h ~t) Returns a size shape.
(rect x y w h ~t) Returns a rect shape.
(circle x y r ~t) Returns a circle shape.
(line a b ~t) Returns a line shape.
(text x y g s ~f ~t) Returns a text shape.
(svg d ~t) Returns a svg shape.
(stroke ~shape) Strokes a shape.
(fill ~rect) Fills a shape.
(clear ~rect) Clears a rect.
(add ...args) Adds values.
(sub ...args) Subtracts values.
(mul ...args) Multiplies values.
(div ...args) Divides values.
(mod a b) Returns the modulo of a and b.
(clamp val min max) Clamps a value between min and max.
(step val step)
(min)
(max)
(ceil)
(floor)
(sin)
(cos)
(PI)
(TWO_PI)
(random ...args)
(gt a b) Returns true if a is greater than b, else false.
(lt a b) Returns true if a is less than b, else false.
(eq a b) Returns true if a is equal to b, else false.
(and a b ...rest) Returns true if all conditions are true.
(or a b ...rest) Returns true if at least one condition is true.
(map fn arr)
(filter fn arr)
(reduce fn arr ~acc)
(len item) Returns the length of a list.
(first arr) Returns the first item of a list.
(last arr) Returns the last
(rest [_ ...arr])
(range start end ~step)
(get item key) Gets an object's parameter with name.
(set item key val) Sets an object's parameter with name as value.
(of h ...keys)
(frame) Returns a rect of the frame.
(center) Returns a position of the center of the frame.
(scale rect w h)
(resize w h) Resizes the canvas to target w and h, returns the rect.
(rescale w h) Rescales the canvas to target ratio of w and h, returns the rect.
(crop rect)
(clone a b)
(theme variable ~el)
(gradient [x1 y1 x2 y2] ~colors 'black'])
(pixels rect fn q)
(saturation pixel ~q)
(contrast pixel ~q)
(echo ...args)
(str ...args)
(open path) Imports a graphic file and resizes the frame.
(folder ~path) Returns the content of a folder path.
(exit ~force) Exits Ronin.
(time) Returns timestamp in milliseconds.
(animate ~play) Toggles animation.
(js) Javascript interop.
(test name a b)

Extras

This application supports the Ecosystem Theme.
Support this project through Patreon.
See the License file for license rights and limitations (MIT).
Pull Requests are welcome!