gifclrmp1
Extract colormaps from gif images
Usage
gifclrmp [-v]
[-s]
[-l
mapfile]
[-t
trans]
[-g
gamma]
[-i
image]
[-h]
[gif-file]
Overview
A program to modify GIF image colormaps. Any local colormap in a GIF file can be modified at a time, or the global screen one.
Options
-
-v -
Verbose mode (show progress). Enables printout of running scan lines.
-
-s -
Select the global screen color map.
-
-l mapfile -
Load color map from this file instead of selected color map.
-
-t trans -
Change color index values. The change is made to both the selected color table and the raster bits of the selected image. A translation file is a list of pairs of `before' and `after' index values. At present, the `before' index values must be in ascending order starting from 0.
-
-g gamma -
Apply gamma correction to selected color map.
-
-i image -
Select the color map of the numbered image.
-
-h -
Print one command line help, similar to Usage above.
If no GIF file is given, gifclip will try to read a GIF file from stdin.
Notes
• The default operation is to dump out the selected color map in text format.
• The file to load/dump is simply one color map entry per line. Each such entry line has four integers: "ColorIndex Red Green Blue", where color index is in ascending order starting from 1.
Releases
14 releases since Debian 2.1 (Slink); the text changed 5 times.
-g since Debian 9 (Stretch);
-h since Debian 9 (Stretch);
-i since Debian 9 (Stretch);
-l since Debian 9 (Stretch);
-s since Debian 9 (Stretch);
-t since Debian 9 (Stretch);
-v since Debian 9 (Stretch).
-q until Debian 4.0 (Etch).