#!/bin/bash

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

#

#   svg_setBaseRendition.sh -- This function standardizes the base

#   rendition tasks needed to produce PNG files from SVG files.

#

#   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 svg_setBaseRendition {

    local COUNTER=0

    local -a SOURCE_INSTANCES

    local -a TARGET_INSTANCES

    local -a INKSCAPE_OPTIONS

    while [[ ${COUNTER} -lt ${#SOURCES[*]} ]];do

        render_setInstances "${SOURCES[${COUNTER}]}" '(svgz|svg)' 'png'

        render_setLocalizedXml "${SOURCES[${COUNTER}]}" "${SOURCE_INSTANCES[${COUNTER}]}"

        tcar_setTranslationMarkers ${SOURCE_INSTANCES[${COUNTER}]}

        svg_checkModelAbsref "${SOURCE_INSTANCES[${COUNTER}]}"

        svg_setBaseRenditionOptions

        svg_setBaseRenditionCommand

        COUNTER=$(( ${COUNTER} + 1 ))

    done

    # Verify existence of output directory.

    if [[ ! -d $(dirname ${RENDER_TARGET}) ]];then

        mkdir -p $(dirname ${RENDER_TARGET})

    fi

    tcar_printMessage "${RENDER_TARGET}" --as-creating-line

    # Apply command to PNG images produced from design models to

    # construct the final PNG image.

    if [[ -n ${COMMAND} ]];then

        ${COMMAND} ${TARGET_INSTANCES[*]} ${RENDER_TARGET}

    fi

    # Apply branding images to final PNG image.

    if [[ -n ${BRANDS} ]];then

        svg_setBrandInformation

    fi

    # Apply comment to final PNG image.

    if [[ -n ${COMMENT} ]];then

        /usr/bin/mogrify -comment "${COMMENT}" ${RENDER_TARGET}

    fi

    # Remove instances to save disk space. There is no need to have

    # unused files inside the temporal directory. They would be

    # consuming space unnecessarily. Moreover, there is a remote

    # chance of name collapsing (because the huge number of files that

    # would be in place and the week random string we are putting in

    # front of files) which may produce unexpected results.

    rm ${TARGET_INSTANCES[*]} ${SOURCE_INSTANCES[*]}

    # Unset array variables and their counter to prevent undesired

    # concatenations.

    unset SOURCE_INSTANCES

    unset TARGET_INSTANCES

    unset INKSCAPE_OPTIONS

    unset COUNTER

}