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pngquant

Langue: en

Version: 263153 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

pngquant - PNG image optimising utility

SYNOPSIS

pngquant [ options ] <ncolors> [pngfile [pngfile ...]]
pngquant [ options ] -map mapfile [pngfile [pngfile ...]]

Note that it's required to specify the number of colors (<ncolors>) or the mapfile. Arguments in square brackets are optional.

DESCRIPTION

This manual page documents briefly the pngquant command.

pngquant quantizes one or more 32-bit RGBA PNGs to 8-bit (or smaller) RGBA-palette PNGs using either ordered dithering or Floyd-Steinberg diffusion dithering (default). The output filename is the same as the input name except that it ends in -fs8.png or -or8.png (unless the input is stdin, in which case the quantized image will go to stdout). The default behavior if the output file exists is to skip the conversion; use -force to overwrite.

OPTIONS

-force
Overwrite existing output files.
-ordened, -nofloyd, -nofs
Use ordered dithering.
-verbose, -noquiet
Print status messages.
NOTE:
the -map option is NOT YET SUPPORTED.

EXAMPLE

Creating a new image with the number of colors reduced to 64:
        pngquant 64 image.png
The resulting image will have 64 colors and will be saved as image-fs8.png.

AUTHOR

pngquant was written by Greg Roelofs <newt@pobox.com>.

This manual page was written by Nelson A. de Oliveira <naoliv@debian.org>, for the Debian project (but may be used by others).

N'importe qui peut compatir aux souffrances d'un ami,
mais seule une personne dotée d'une nature exceptionnelle
est capable de se montrer sensible au sucés d'un ami.
-+- Oscar Wilde -+-