Blame Scripts/Bash/Functions/Commons/cli_getTTFont.sh

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#!/bin/bash
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#
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# cli_getFont.sh -- This function creates a list of all True Type
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# Fonts (TTF) installed in your workstation and returns the absolute
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# path of the file matching the pattern passed as first argument.
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# Assuming more than one value matches, the first one in the list is
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# used. In case no match is found, the function verifies if there is
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# any file in the list that can be used (giving preference to sans
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# files). If no file is found at this point, an error will be printed
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# out.
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#
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# Copyright (C) 2009, 2010, 2011, 2012 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 cli_getTTFont {
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    local -a FONT_PATTERNS
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    local FONT_PATTERN=''
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    local FONT_FILE=''
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    # Define list of patterns used to build the list of TTF files.
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    FONT_PATTERNS[((++${#FONT_PATTERNS[*]}))]="/${1}\.ttf$"
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    FONT_PATTERNS[((++${#FONT_PATTERNS[*]}))]="sans\.ttf$"
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    FONT_PATTERNS[((++${#FONT_PATTERNS[*]}))]="\.ttf$"
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    # Define directory location where fonts are installed in your
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    # workstation.
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    local FONT_DIR='/usr/share/fonts'
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    # Define list of all TTF files installed in your workstation.
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    local FONT_FILES=$(cli_getFilesList ${FONT_DIR} --pattern="\.ttf")
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    # Define TTF absolute path based on pattern. Notice that if the
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    # pattern matches more than one value, only the first one of a
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    # sorted list will be used.
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    for FONT_PATTERN in ${FONT_PATTERNS[@]};do
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        FONT_FILE=$(echo "$FONT_FILES" | egrep ${FONT_PATTERN} \
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            | head -n 1)
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        if [[ -f $FONT_FILE ]];then
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            break
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        fi
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    done
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    # Output TTF absolute path.
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    if [[ -f $FONT_FILE ]];then
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        echo $FONT_FILE
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    else
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        cli_printMessage "`gettext "The font provided doesn't exist."`" --as-error-line
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    fi
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}