#!/bin/csh -f
# scalejpg
# ------------------------------------------------------------------------------
# Shell script to read an image file (JPG, PNG, GIF, etc.) and scale it a 
# JPG of a different size.
# ------------------------------------------------------------------------------
# Usage:  See Usage section below or run with no arguments to see usage.
# Assumptions:
# Effects:
#       - Reads from an image file (JPG, PNG, GIF, etc.) or stdin and writes 
#         to a JPG or stdout.
# Notes:
# Implementation Notes:
# Portability Issues:
# Revision History:
#   $Log$
# ------------------------------------------------------------------------------

if ($#argv == 0 || "$1" == "-h" || "$1" == "--help") then
   # We need this Usage section (which duplicates the one on the Java file)
   # only because that one echos a usage line like:
   #     Usage: java -classpath scalejpg.jar;bristle.jar 
   #     com.bristle.javaapps.scalejpg.ScaleJPG [options] [infile [outfile]]
   # instead of the simpler usage line here.
   echo "Usage: $0:t [options] [infile [outfile]]"
   echo "Where options can be any of the following:"
   echo "   -percent percent"
   echo "          Scales to specified percent (1-100)."
   echo "   -width width"
   echo "          Scales to specified width, preserving aspect ratio."
   echo "   -height height"
   echo "          Scales to specified height, preserving aspect ratio."
   echo "   -width width -height height"
   echo "          Scales to specified width and height exactly."
   echo "   -width width -height height -fit"
   echo "          Scales to largest size that will fit in both the"
   echo "          specified width and height, preserving aspect ratio."
   echo "   -algorithm fast"
   echo "          Uses a fast algorithm for scaling."
   echo "   -algorithm smooth"
   echo "          Uses a smooth algorithm for scaling."
  exit 1
endif

java -Xmx1G -classpath /Users/fred/fred/lib/scalejpg.jar:/Users/fred/fred/lib/bristle.jar com.bristle.javaapps.scalejpg.ScaleJPG $*:q