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Add render_mogrifyCommentToPng.sh.
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#
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# render_mogrifyCommentToPng.sh -- This function provides
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# post-rendition to write a commentary in PNG images produced as
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# result of centos-art.sh base-rendition action. The commentary is
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# written in the image datastream and can be seen using the command
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# `identify -verbose file.png'.
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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_mogrifyCommentToPng {
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# Get commentary.
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local COMMENT=$(render_getConfigOption "$ACTION" '2-')
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# Check base file existence.
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cli_checkFiles ${FILE}.png 'f'
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# Check commentary and write commentary.
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if [[ "$COMMENT" != "" ]];then
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mogrify -comment "$COMMENT" ${FILE}.png
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fi
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}
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