Don Schwarz > Apache-Throttle-0.03 > throttleimg

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NAME ^

throttleimg - Script to automatically split images into multiple sizes

SYNOPSIS ^

throttleimg [options] file1 ...

DESCRIPTION ^

throttleimg is a script distributed with Apache::Throttle. It can be used to automatically create a set of different size images from one large image and store them in a format that Apache::Throttle will understand.

The file (or files) you specify will be replaced with a directory of the same name. The original file will be saved in this directory as "Z-<original name>". throttleimg will then create a set of images (the number of images can be set with the --steps option and defaults to 3) that look like the original image but have a lower quality.

Theoretically, this script can be used to automatically convert all of your existing images to be controlled by Apache::Throttle. You might try a command like:

    find /home/httpd -name '*.gif' -o -name '*.jpg' | \
        xargs throttleimg --time=5 --steps=3

OPTIONS ^

--help, -h

Shows usage information.

--quiet, -q

This option tells throttleimg not to output any status messages to STDOUT. Only warnings and errors are printed to STDERR.

--time=<seconds>, -t=<seconds>

This is the time in seconds that the image should take to load. It is used to determine the speed required to download each image. This can be a floating point number.

--steps=<images>, -s=<seconds>

This option tells throttleimg how many different images to make.

--same-size

This option tells throttleimg not to change the size of the images created. You probably want to use this if you're using these images inline in a HTML page and don't plan to use WIDTH and HEIGHT arguments in the <IMG> tag.

--same-colors

This option tells throttleimg not to change the number of colors in the images created. It is the default value for JPEGs.

--same-quality

This option tells throttleimg not to change the quality of the images created. It is the default value for GIFs.

--undo, -u

This option causes throttleimg to do the opposite of what it normally does. Instead of turning an image into a directory of different images, it removes all of the images created by a previous call to throttleimg and replaces the directory with the original image.

AUTHOR ^

Don Schwarz <dons@xnet.com>

SEE ALSO ^

Apache::Throttle, mod_perl

COPYRIGHT ^

Copyright (c) 1998 Don Schwarz. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

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