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Usage - %image filter_list
Valid Filters
rotate [n]
- rotates an image n
degrees counter-clockwise.autocontrast
- stretches the image over the widest range possibleinvert
- inverts the image's colorsgrayscale
sepia
posterize [n]
- keeps n
bits of the image's colorssolarize [n]
- inverts values with a luminance above n
n
defaults to 128 or half-brightnessflip
- flips an image top-to-bottommirror
- flips an image right-to-leftblur [n]
- applies a gaussian blur with a radius of n
pixels
n
defaults to 2scale [n]
- scales an image, with bicubic filtering1pscale [n]
- scales an image, with nearest pixel filtering1scalexy [w] [h]
- scales an image by relative width and height1
with bicubic pixel filteringpscalexy [w] [h]
- scales an image by relative width and height1
with nearest pixel filteringpotography
- applies %image pscalexy 0.05 0.25, pscalexy 20 4, posterize 2, sepia, rotate 25
matrix [w] [h]
- scales the image to a matrix of w
by h
, and scales it
back to the image size1 - n
, x
, and y
are all relative. A value of 1 means no
scaling is done (100%)