2 May 2012
gifrsize 1 GIFLIB GIFLIB Documentation
gifrsize resize and scale GIFs
`gifrsize` -v -S x y -s scale -x xscale -y yscale -h gif-file

## Description

A program to resize image size by an integer factor, deleting bits when scaling down and duplicating bits when scaling up.

## Options

-v

  Verbose mode (show progress). Enables printout of running scan lines.

-S x y

  Specifies the exact screen dimension of the output GIF.

-s scale

  Set scaling factor for both x & y direction to Scale. Default is 0.5. Note this is a floating point number.

-x xscale

  Set scaling factor for x direction to Scale. Default is 0.5. Note: this is a floating point number.

-y yscale

  Set scaling factor for y direction to Scale. Default is 0.5. Note: this is a floating point number.

-h

  Print one line of command line help, similar to Usage above.

If no GIF file is given, gifrsize will try to read a GIF file from stdin.

## Author

Gershon Elber.