Blame Scripts/Bash/Functions/Render/render_doIdentityImages.sh

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#!/bin/bash
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#
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# render_doIdentityImages.sh -- This function renders image-based
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# identity contents.
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#
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# Copyright (C) 2009-2011 Alain Reguera Delgado
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# 
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# 
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA.
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# 
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function render_doIdentityImages {
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    local EXPORTID=''
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    local EXTERNALFILES=''
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    local EXTERNALFILE=''
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    local COMMONDIRCOUNT=0
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    # Export id used inside design templates. This value defines the
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    # design area we want to export.
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    EXPORTID='CENTOSARTWORK'
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    # Start processing the base rendition list of FILES. Fun part
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    # approching :-).
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    for FILE in $FILES; do
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        # Call shared variable re-definitions.
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        render_getIdentityDefs
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        # Check export id inside design templates.
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        grep "id=\"$EXPORTID\"" $INSTANCE > /dev/null
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        if [[ $? -gt 0 ]];then
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            cli_printMessage "`eval_gettext "Can't found the export id (\\\$EXPORTID) inside \\\$TEMPLATE."`" "AsErrorLine"
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            cli_printMessage '-' 'AsSeparatorLine'
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            continue
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        fi
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        # Define final image width. If FILE name is a number, asume it
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        # as the width value of the image being rendered. Otherwise
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        # use design template default width value.
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        WIDTH=$(basename $FILE)
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        if [[ $WIDTH =~ '^[0-9]+$' ]];then
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            WIDTH="--export-width=$WIDTH" 
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        else
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            WIDTH=''
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        fi
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        # Check existence of external files. In order for design
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        # templates to point different artistic motifs, design
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        # templates make use of external files that point to specific
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        # artistic motif background images. If such external files
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        # doesn't exist, print a message and stop script execution.
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        # We cannot continue wihtout the background information.
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        EXTERNALFILES="(xlink:href|sodipodi:absref)=\"$(cli_getRepoTLDir $TEMPLATE)"
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        EXTERNALFILES=$(egrep "${EXTERNALFILES}" "${INSTANCE}" \
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            | sed -r 's!^[[:space:]]+!!' \
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            | sed -r 's!^(xlink:href|sodipodi:absref)="!!' \
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            | sed -r 's!".*$!!' | sort | uniq)
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        for EXTERNALFILE in $EXTERNALFILES;do
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            cli_checkFiles $EXTERNALFILE
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        done
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        # Render template instance and modify the inkscape output to
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        # reduce the amount of characters used in description column
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        # at final output.
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        cli_printMessage "$(inkscape $INSTANCE \
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            --export-id=$EXPORTID $WIDTH --export-png=$FILE.png | sed -r \
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            -e "s!Area !`gettext "Area"`: !" \
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            -e "s!Background RRGGBBAA:!`gettext "Background"`: RRGGBBAA!" \
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            -e "s!Bitmap saved as:!`gettext "Saved as"`:!")" \
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            'AsRegularLine'
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        # Remove template instance. 
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        if [[ -a $INSTANCE ]];then
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            rm $INSTANCE
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        fi
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        # Execute post-rendition actions.
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        for ACTION in "${POSTACTIONS[@]}"; do
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            case "$ACTION" in
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                renderSyslinux* )
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                    render_doIdentityImageSyslinux "$FILE" "$ACTION"
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                    ;;
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                renderGrub* )
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                    render_doIdentityImageGrub "$FILE" "$ACTION"
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                    ;;
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                renderFormats:* )
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                    render_doIdentityImageFormats "$FILE" "$ACTION"
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                    ;;
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                renderBrands:* )
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                    render_doIdentityImageBrands "$FILE" "$ACTION"
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                    ;;
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                groupByType:* )
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                    render_doIdentityGroupByType "$FILE" "$ACTION"
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                    ;;
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            esac
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        done
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        # Output separator line.
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        cli_printMessage '-' 'AsSeparatorLine'
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        # Apply last-rendition actions. As convenction, last-rendition
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        # actions are applied after all images inside the same
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        # directory structure have been produced. Notice that, in
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        # order to apply last-rendition actions correctly,
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        # centos-art.sh needs to "predict" what the last file in the
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        # same directory structure would be. There is no magic here,
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        # so we need to previously define which are the common
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        # directory structures centos-art.sh could produce content
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        # for inside an array variable. Later, using the index of that
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        # array variable we could check the next item in the array
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        # against the file being currently produced. If they match, we
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        # haven't reached the end of the same directory structure, but
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        # if they don't match, we do have reach the end of the same
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        # directory structure and it is time for last-rendition
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        # actions to be evaluated before go producing the next
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        # directory structure in the list of files to process.
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        if [[ ${COMMONDIRS[$((COMMONDIRCOUNT + 1))]} != $(dirname $TRANSLATION) ]];then
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            # At this point centos-art.sh is producing the last file
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            # from the same unique directory structure, so, before
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            # producing images for the next directory structure lets
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            # evaluate last-rendition actions for the current
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            # directory structure. 
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            for ACTION in "${LASTACTIONS[@]}"; do
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                case "$ACTION" in
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                    renderKSplash )
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                        render_doIdentityImageKsplash
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                        ;;
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                    renderDm:* )
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                        render_doIdentityImageDm "$ACTION"
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                        ;;
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                    groupByType:* )
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                        render_doIdentityGroupByType "$ACTION"
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                        ;;
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                esac
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            done
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        fi
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        # Increment common directory counter.
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        COMMONDIRCOUNT=$(($COMMONDIRCOUNT + 1))
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    done
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}