Blame Scripts/Functions/Render/render_convertPngToThumbnail.sh

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#!/bin/bash
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#
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# render_convertPngToThumbnail.sh -- This function provides post-rendition to
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# create thumbnails from images produced by centos-art base-rendition.
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# Thumbnails are created in PNG and JPG format for you to decide which
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# is the more appropriate one. When no size is specified, thumbnails
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# are created at 250 pixels width and height is automatically
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# calculated to match the image ratio.
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#
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# Copyright (C) 2009, 2010, 2011 The CentOS Project
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function render_convertPngToThumbnail {
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    # Get image size.
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    local SIZES=$(render_getConfigOption "$ACTION" '2-')
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    # Check base file existence.
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    cli_checkFiles "${FILE}.png" 'f'
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    # Check image sizes and do convertion.
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    if [[ "$SIZES" == "" ]];then
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        SIZES='250'
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    fi
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    # Create thumbnails.
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    for SIZE in $SIZES;do
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        cli_printMessage "${FILE}-thumb-${SIZE}.png" "AsSavedAsLine"
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        convert -resize ${SIZE} ${FILE}.png ${FILE}-thumb-${SIZE}.png
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        cli_printMessage "${FILE}-thumb-${SIZE}.jpg" "AsSavedAsLine"
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        convert -resize ${SIZE} ${FILE}-thumb-${SIZE}.png ${FILE}-thumb-${SIZE}.jpg
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        cli_printMessage "${FILE}-thumb-${SIZE}.pdf" "AsSavedAsLine"
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        convert -resize ${SIZE} ${FILE}-thumb-${SIZE}.png ${FILE}-thumb-${SIZE}.pdf
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    done
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}