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telperion
 Post subject: resize proportional, utility g'mic custom command.
PostPosted: Sat Nov 01, 2014 9:19 am  (#1) 
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GimpChat Member

Joined: Oct 11, 2014
Posts: 82
Code: Select all
# -------------------------------
#@gmic resize_prop : pixel size
#@gmic : resize the largest side of the image (w or h)
#@gmic : to pixel size and the other in proportion

resize_prop : -check ${1}>0
-if {w>h}
  -resize $1,{h/(w/$1)}
-else
  -resize {w/(h/$1)},$1
-endif
# ------------------------------------



$ gmic -h resize_prop

gmic: GREYC's Magic for Image Computing.

Version 1.6.0.2 (beta), Copyright (c) 2008-2014, David Tschumperle.
(http://gmic.eu/)

-resize_prop:
pixel size

resize the largest side of the image (w or h)
to pixel size and the other in proportion


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