Convolution Filter Editor

CFE is a postcardware written in plain C language.
Cfe is a software, allowing the creation of convolution filters like SOBEL, LAPLACE, ROBINSON... It allows filters ranging from 3x3 up to 29x29.
CFE speaks French, English, German, Italian and Spanish and has its own slideshow.
The filter editor has 18 features such as mirrors, shiftings and rotations.
There are no menus, all commands are directly accessible with the mouse.
When a filter is created, you can give it a rating ranging from 1 to 5 stars.
CFE is portable, that means it doesn't use the registry, it has its own configuration file.
CFE accepts Drag'n Drop.
In addition to the classic Copy/Paste Cfe offers 16 levels of undo and comes with more than 500 of pre-defined filters.
CFE author would appreciate a donation of 10 Euros, no more.