#!/bin/bash

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

#

#   extended.sh -- This function standardize extended production of

#   PNG files from SVG files. The extended production consists on

#   producing PNG images in in different formats, heights, foreground

#   colors and background colors.

#

#   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 extended {

    # Retrieve formats you want to produce the image for. This

    # variable contains one or more image format supported by

    # ImageMagick.  For example, `xpm', `jpg', 'tiff', etc.

    local FORMATS=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "formats")

    if [[ -z ${FORMATS} ]];then

        FORMATS="png"

    fi

    # Retrieve heights you want to produce the image for. This

    # variable contains one or more numerical values. For example,

    # `16', `24', `32', etc.

    local HEIGHTS=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "heights")

    if [[ -z ${HEIGHTS} ]];then

        HEIGHTS="16 20 22 24 26 32 36 38 40 48 52 64 72 78 96 112 124 128 148 164 196 200 512"

    fi

    # Retrieve foreground colors you want to produce the image for.

    # This variable contains one or more color number in hexadecimal

    # format. For example, `000000', `ffffff', etc.

    local FGCOLORS=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "fgcolors")

    if [[ -z ${FGCOLORS} ]];then

        FGCOLORS="000000"

    fi

    # Retrieve background colors you want to produce the image for.

    # This variable contains one or more color number in hexadecimal

    # format with opacity information included.  Opacity is specified

    # between 0.0 and 1.0 where 0.0 is full transparency and 1.0 full

    # opacity. For example, the following values are accepted:

    # `000000-0', `ffffff-1', etc.

    local BGCOLORS=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "bgcolors") 

    if [[ -z ${BGCOLORS} ]];then

        BGCOLORS="ffffff-0 ffffff-1"

    fi

    for BGCOLOR in ${BGCOLORS};do

        # Verify value passed as background color.

        tcar_checkFiles -m '^[a-fA-F0-9]{6}-(0|1)$' ${BGCOLOR}

        for FGCOLOR in ${FGCOLORS};do

            # Verify value passed as foreground color.

            tcar_checkFiles -m '^[a-fA-F0-9]{3,6}$' ${FGCOLOR}

            for HEIGHT in ${HEIGHTS};do

                # Verify value passed as height.

                tcar_checkFiles -m '^[[:digit:]]+$' ${HEIGHT}

                # Do base rendition actions.

                extended_setBaseRendition

            done

        done

    done

}