Blame Scripts/Bash/Functions/Render/Svg/svg_convertGplToPpm.sh

878a2b
#!/bin/bash
878a2b
#
878a2b
# svg_convertGplToPpm.sh -- This function takes one palette produced
878a2b
# by Gimp (e.g., syslinux.gpl) as input and outputs one PPM file based
878a2b
# on it (e.g., syslinux.ppm).
878a2b
#
03486a
# Copyright (C) 2009, 2010, 2011, 2012 The CentOS Project
878a2b
#
878a2b
# This program is free software; you can redistribute it and/or modify
878a2b
# it under the terms of the GNU General Public License as published by
878a2b
# the Free Software Foundation; either version 2 of the License, or (at
878a2b
# your option) any later version.
878a2b
#
878a2b
# This program is distributed in the hope that it will be useful, but
878a2b
# WITHOUT ANY WARRANTY; without even the implied warranty of
878a2b
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
878a2b
# General Public License for more details.
878a2b
#
878a2b
# You should have received a copy of the GNU General Public License
878a2b
# along with this program; if not, write to the Free Software
878a2b
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
878a2b
#
878a2b
# ----------------------------------------------------------------------
878a2b
# $Id$
878a2b
# ----------------------------------------------------------------------
878a2b
878a2b
function svg_convertGplToPpm {
878a2b
878a2b
    local -a FILES
878a2b
    local COUNT=0
878a2b
878a2b
    # Define path to GPL palette. This is the .gpl file we use to
878a2b
    # retrive color information from.
878a2b
    local PALETTE_GPL="$1"
878a2b
878a2b
    # Define path to PPM palette. This is the .ppm file we'll save
878a2b
    # color information to.
878a2b
    local PALETTE_PPM="$2"
878a2b
878a2b
    # Define the number of colors this function should return.
878a2b
    local NUMBER="$3"
878a2b
878a2b
    # Define list of colors from GPL palette.
878a2b
    local COLOR=''
878a2b
    local COLORS=$(svg_getColors "$PALETTE_GPL" --head=$NUMBER --tail=$NUMBER --format='rrrggbb')
878a2b
878a2b
    # Verify amount of colors in the list of colors.
878a2b
    svg_checkColorAmount "$COLORS" "$NUMBER"
878a2b
878a2b
    # Verify format of colors.
878a2b
    svg_checkColorFormats $COLORS --format='rrggbb'
878a2b
878a2b
    # Create temporal images (of 1x1 pixel each) to store each color
878a2b
    # retrived from Gimp's palette. 
878a2b
    for COLOR in $COLORS;do
878a2b
        FILES[$COUNT]=$(cli_getTemporalFile ${COUNT}.ppm)
878a2b
        ppmmake $COLOR 1 1 > ${FILES[$COUNT]}
878a2b
        COUNT=$(($COUNT + 1))
878a2b
    done
878a2b
878a2b
    # Concatenate each temporal image from left to right to create the
878a2b
    # PPM file.
878a2b
    pnmcat -lr ${FILES[*]} > $PALETTE_PPM
878a2b
878a2b
    # Remove temporal images used to build the PPM palette file.
878a2b
    rm ${FILES[*]}
878a2b
878a2b
    # Verify PPM palette existence.
cbf180
    cli_checkFiles -e "$PALETTE_PPM"
878a2b
878a2b
}