#!/bin/bash

#

# render_doIdentityImages.sh -- This function renders image-based

# identity contents.

#

# Copyright (C) 2009-2011 Alain Reguera Delgado

# 

# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function render_doIdentityImages {

    local EXPORTID=''

    local EXTERNALFILES=''

    local EXTERNALFILE=''

    # Export id used inside design templates. This value defines the

    # design area we want to export.

    EXPORTID='CENTOSARTWORK'

    # Start processing the base rendition list of FILES. Fun part

    # approching :-).

    for FILE in $FILES; do

        # Call shared variable re-definitions.

        render_getIdentityDefs

        # Check export id inside design templates.

        grep "id=\"$EXPORTID\"" $INSTANCE > /dev/null

        if [[ $? -gt 0 ]];then

            cli_printMessage "`eval_gettext "Can't found the export id (\\\$EXPORTID) inside \\\$TEMPLATE."`" "AsErrorLine"

            cli_printMessage '-' 'AsSeparatorLine'

            continue

        fi

        # Define final image width. If FILE name is a number, asume it

        # as the width value of the image being rendered. Otherwise

        # use design template default width value.

        WIDTH=$(basename $FILE)

        if [[ $WIDTH =~ '^[0-9]+$' ]];then

            WIDTH="--export-width=$WIDTH" 

        else

            WIDTH=''

        fi

        # Check existence of external files. In order for design

        # templates to point different artistic motifs, design

        # templates make use of external files that point to specific

        # artistic motif background images. If such external files

        # doesn't exist, print a message and stop script execution.

        # We cannot continue wihtout the background information.

        EXTERNALFILES="(xlink:href|sodipodi:absref)=\"$(cli_getRepoTLDir $TEMPLATE)"

        EXTERNALFILES=$(egrep "${EXTERNALFILES}" "${INSTANCE}" \

            | sed -r 's!^[[:space:]]+!!' \

            | sed -r 's!^(xlink:href|sodipodi:absref)="!!' \

            | sed -r 's!".*$!!' | sort | uniq)

        for EXTERNALFILE in $EXTERNALFILES;do

            cli_checkFiles $EXTERNALFILE

        done

        # Render template instance and modify the inkscape output to

        # reduce the amount of characters used in description column

        # at final output.

        cli_printMessage "$(inkscape $INSTANCE \

            --export-id=$EXPORTID $WIDTH --export-png=$FILE.png | sed -r \

            -e "s!Area !`gettext "Area"`: !" \

            -e "s!Background RRGGBBAA:!`gettext "Background"`: RRGGBBAA!" \

            -e "s!Bitmap saved as:!`gettext "Saved as"`:!")" \

            'AsRegularLine'

        # Remove template instance. 

        if [[ -a $INSTANCE ]];then

            rm $INSTANCE

        fi

        # Execute post-rendition actions.

        for ACTION in "${POSTACTIONS[@]}"; do

            case "$ACTION" in

                renderSyslinux* )

                    render_doIdentityImageSyslinux "$FILE" "$ACTION"

                    ;;

                renderGrub* )

                    render_doIdentityImageGrub "$FILE" "$ACTION"

                    ;;

                renderFormats:* )

                    render_doIdentityImageFormats "$FILE" "$ACTION"

                    ;;

                renderBrands:* )

                    render_doIdentityImageBrands "$FILE" "$ACTION"

                    ;;

                groupByType:* )

                    render_doIdentityGroupByType "$FILE" "$ACTION"

                    ;;

            esac

        done

        # Output separator line.

        cli_printMessage '-' 'AsSeparatorLine'

    done

    # Define and execute possible last-rendition actions for image

    # rendeirng base action.

    for ACTION in "${LASTACTIONS[@]}"; do

        case "$ACTION" in

            renderKSplash )

                render_doIdentityImageKsplash

                ;;

            renderDm:* )

                render_doIdentityImageDm "$ACTION"

                ;;

            groupByType:* )

                render_doIdentityGroupByType "$ACTION"

                ;;

        esac

    done

}