#!/bin/bash

#

# svg_convertPngToBrands.sh -- This function provides post-rendition

# actions to produce brand images in different sizes and formats from

# the same SVG design model.

#

# Copyright (C) 2009, 2010, 2011, 2012 The CentOS Project

#

# 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.

#

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

# $Id$

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

function svg_convertPngToBrands {

    # Define height dimensions you want to produce brands for.

    local SIZE=""

    local SIZES="16 20 22 24 32 36 38 40 48 64 72 78 96 112 124 128 148 164 196 200 512"

    # Define image formats you want to produce brands for.

    local FORMAT=""

    local FORMATS="xpm pdf jpg tif"

    for SIZE in ${SIZES};do

        # Redefine absolute path to file location where size-specific

        # images will be stored in.

        local FINALFILE=$(dirname $FILE)/${SIZE}/$(basename $FILE)

        # Prepare directory where size-specific images will be stored

        # in. If it doesn't exist create it.

        if [[ ! -d $(dirname $FINALFILE) ]];then

            mkdir -p $(dirname $FINALFILE)

        fi

        # Print action message.

        cli_printMessage "${FINALFILE}.png" --as-creating-line

        # Create size-specific PNG image ommiting all output.

        inkscape $INSTANCE --export-id=$EXPORTID \

            --export-png=${FINALFILE}.png --export-height=${SIZE} \

            &> /dev/null

        for FORMAT in ${FORMATS};do

            # Print action message.

            cli_printMessage "${FINALFILE}.${FORMAT}" --as-creating-line

            # Convert size-specific PNG image into different formats.

            convert ${FINALFILE}.png ${FINALFILE}.${FORMAT}

        done

        # Create copy of size-specific image in 2 colors.

        cli_printMessage "${FINALFILE}.xbm" --as-creating-line

        convert -colorspace gray -colors 2 ${FINALFILE}.png ${FINALFILE}.xbm

        # Create copy of size-specific image with emboss effect.

        cli_printMessage "${FINALFILE}-emboss.png" --as-creating-line

        convert -emboss 1 ${FINALFILE}.png ${FINALFILE}-emboss.png

        # Create copy of size-specific image as ico format. This is

        # the format used by web browsers to show that little image on

        # address bar that identifies the site visited. The maximum

        # size of ico images is 255 pixels, so don't cross this limit

        # to prevent complains from `convert' command.

        if [[ $SIZE -le '255' ]];then

            convert ${FINALFILE}.png pnm:- | ppmtowinicon -output=${FINALFILE}.ico -

        fi

    done

}