76 lines
2.4 KiB
Bash
76 lines
2.4 KiB
Bash
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#!/usr/bin/bash
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#
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# copyright (c) 2013 by Roderick W. Smith
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#
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# This program is licensed under the terms of the GNU GPL, version 3,
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# or (at your option) any later version.
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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, see <http://www.gnu.org/licenses/>.
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# Program to generate a PNG file suitable for use as a rEFInd font
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# To obtain a list of available font names, type:
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#
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# convert -list font | less
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#
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# The font used MUST be a monospaced font; searching for the string
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# "Mono" will turn up most suitable candidates.
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#
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# Usage:
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# ./mkfont.sh font-name font-size font-Y-offset bitmap-filename.png
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#
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# This script is part of the rEFInd package. Version numbers refer to
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# the rEFInd version with which the script was released.
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#
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# Version history:
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#
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# 0.6.6 - Initial release
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if [[ $# != 4 ]] && [[ $# != 6 ]]; then
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echo "Usage: $0 font-name font-size y-offset bitmap-filename.png [char-width char-height]"
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echo " font-name: Name of font (use 'convert -list font | less' to get list)"
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echo " NOTE: Font MUST be monospaced!"
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echo " font-size: Font size in points"
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echo " y-offset: pixels font is shifted (may be negative)"
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echo " bitmap-filename.png: output filename"
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echo " char-{width, height}: size of canvas to render the image onto"
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echo ""
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exit 1
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fi
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Convert="$(command -v convert 2> /dev/null)"
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if [[ ! -x $Convert ]] ; then
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echo "The 'convert' program is required but could not be found. It's part of the"
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echo "ImagMagick program, usually installed in the 'imagemagick' package."
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echo ""
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exit 1
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fi
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Height=${6:-$2}
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let CellWidth=(${Height}*6+5)/10
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CellWidth=${5:-$CellWidth}
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#let CellWidth=(${Height}*5)/10
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let Width=${CellWidth}*96
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echo $Width $Height $CellWidth $CellHeight
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echo "Creating ${Width}x${Height} font bitmap...."
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# create a folder to store our temporary renders of each character
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dir="$4-temp"
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[ -d $dir ] || mkdir $dir
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# render each character
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chars=" !\"#\$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_\`abcdefghijklmnopqrstuvwxyz{|}~?"
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#echo $chars
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for (( i=0; i<${#chars}; i++ )); do
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char="${chars:$i:1}"
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char="${char//"\\"/"\\\\"}"
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char="${char//"'"/"\'"}"
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$Convert -size ${CellWidth}x${Height} xc:transparent -gravity NorthWest -font $1 -pointsize $2 \
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-draw "text 0,$3 '$char'" "$dir/$(printf %03d $i).png"
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done
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# stitch together
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$Convert +append "$dir"/*.png $4
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rm -r "$dir"
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echo woo
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