Added convolve example

README.md

@@ -112,6 +112,8 @@ Additional functions can be found in the [includes](https://github.com/hundredra
 - `(test name a b)` 
 - `(benchmark fn)` logs time taken to execute a function.
 
+<img src='https://raw.githubusercontent.com/hundredrabbits/Ronin/master/PREVIEW2.jpg' width='600'/>
+
 ## Extras
 
 - This application supports the [Ecosystem Theme](https://github.com/hundredrabbits/Themes).

examples/pixels/convolve.lisp

@@ -0,0 +1,10 @@
+(clear)
+; drag an image on the window
+(open $path)
+;
+(convolve 
+  (rect 100 100 400 400) edge)
+(convolve 
+  (rect 300 300 400 400) sharpen)
+(convolve 
+  (rect 500 500 400 400) blur)