#!/bin/bash
#
# render_rotatePngTo.sh -- This function provides post-rendition
# to convert images produced by centos-art base-rendition.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
# ----------------------------------------------------------------------
# $Id$
# ----------------------------------------------------------------------

function render_rotatePngTo {

    local COUNT=1
    local DEGREE=''
    local DEGREES=$(render_getConfigOption "$ACTION" '2-')
    local SRC=''
    local DST=''

    # Check base file existence.
    cli_checkFiles ${FILE}.png 'f'

    # Check image degrees.
    if [[ "$DEGREES" != "" ]];then

        # Loop through image degrees and convert them using PNG file
        # as base.
        for DEGREE in $DEGREES;do
            SRC=${FILE}.png
            DST=${FILE}-rotated-$(echo $DEGREE | sed 's!%!!').png
            cli_printMessage "$DST" "AsSavedAsLine"
            convert -rotate $DEGREE ${SRC} ${DST}
        done

    fi

}