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Imageflow

Querystring Examples

TODO

4 ways to grayscale

s.grayscale=true|y|ry|ntsc|bt709|flat (true, ntsc, and y produce identical results)

The following examples use NTSC/Y/True, RY, BT709, and Flat respectively

s.grayscale=true s.grayscale=ry s.grayscale=bt709 s.grayscale=flat

1 way to sepia

s.sepia=true

Inversion

s.invert=true

Adjust opacity/alpha

s.alpha= 0..1

For true transparency, combine with format=png. Otherwise, the image will be blended against bgcolor.

s.alpha=0.25 s.alpha=0.75 s.alpha=0.85 s.alpha=1

Adjust contrast

s.contrast= -1..1

s.contrast=-0.80 s.contrast=-0.40 s.contrast=-0.20

s.contrast=0

s.contrast=0.20 s.contrast=0.40 s.contrast=0.80 s.contrast=0.99

Adjust brightness

s.brightness= -1..1

Adjust saturation

s.saturation= -1..1