image_reduire_par allows you to reduce an image to a certain scale.
Where image_reduire reduces an image to pre-determined dimensions, image_reduire_par reduces the image proportionally.
Values less than 1 are ignored (no enlargement).
Example: Reducing an image in the "Russian dolls" style.
[(#FICHIER|image_reduire_par{2})]
[(#FICHIER|image_reduire_par{4})]
[(#FICHIER|image_reduire_par{10})]
[(#FICHIER|image_reduire_par{25})]
Produces 4 images reduced respectively by 2, 4, 10 and 25 compared to the original image
See Also
The filters
The article on the Automatic image processing, also detailing many other image filters.