#!/bin/bash

######################################################################

#

#   palette_convertGplToHex.sh -- This function takes one palette

#   produced by GIMP (e.g., syslinux.gpl) as input and outputs the

#   list of hexadecimal colors and their respective index position the

#   `pnmtolss16' program needs (e.g., #RRGGBB=0 #RRGGBB=1 ... [all

#   values in the same line]).

#

#   Written by:

#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013

#

# Copyright (C) 2009-2013 The CentOS Artwork SIG

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at

# your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

######################################################################

function palette_convertGplToHex {

    # Create list of colors to be processed by `pnmtolss16'.

    echo "${PALETTE_GPL_COLORS}" | nl | gawk '{ printf "%s=%d ", $2, $1 - 1 }' \

        > ${PALETTE_HEX}

}