Adjust brightness. Decreases or increases the image brightness.
op_brightness= *
adj*
adj |
Brightness adjustment (-100…+100 int). |
Layer command. Applies to the current layer or to the composite image if layer=comp
. Ignored by effect layers. CMYK images or layers are converted to RGB before the operation is applied.
op_brightness=0
, for no change of brightness.
Darken the background of an image slightly to emphasize the foreground content:
http://server/myRootId/myImageId?wid=500&layer=0&maskUse=invert&op_brightness=-10&layer=1&src=myRootId/myImageId