On 8/26/05, Paolo Pedaletti <[EMAIL PROTECTED]> wrote:
> My best wish would be:
>
> Color 0: 1.4%
> Color 2: 4.5%
> Color 10: 50.1%
> ....
> ...
>
> (% of surface, image extension)
You need the netpbm package.
$ giftopnm image.gif > image.ppm
$ pamfile image.ppm # get the dimension
image.ppm: PPM raw, 50 by 48 maxval 255
$ ppmhist image.ppm # create histogram
r g b lum count
----- ----- ----- ----- -------
0 0 0 0 1631
51 51 51 51 9
166 166 166 166 9
136 136 136 136 9
161 161 161 161 8
[...]
The colors are given by RGB values and count is the number of pixels
of given color. Divide by the total number of pixels for percentages.
Hope this helps.
Igor
