#!/bin/bash

#

# render_mogrifyCommentToPng.sh -- This function provides

# post-rendition to write a commentary in PNG images produced as

# result of centos-art.sh base-rendition action. The commentary is

# written in the image datastream and can be seen using the command

# `identify -verbose file.png'.

#

# 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_mogrifyCommentToPng {

    # Define commentary you want to write on PNG images.

    local COMMENT="`gettext "Created in CentOS Artwork Repository"` (https://projects.centos.org/svn/artwork/)."

    # Check base file existence.

    cli_checkFiles ${FILE}.png 'f'

    # Write commentary to PNG image.

    mogrify -comment "$COMMENT" ${FILE}.png

}