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Convert UEFI BGRT image
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| #!/bin/sh -e | |
| # convert-bgrt.sh - convert UEFI BGRT image | |
| BGRT_DIR=/sys/firmware/acpi/bgrt | |
| if [ ! -d $BGRT_DIR ]; then | |
| echo "BGRT not found" >&2 | |
| exit 1 | |
| fi | |
| if [ $# -lt 2 ]; then | |
| echo "usage: `basename $0` size file" >&2 | |
| exit 1 | |
| fi | |
| X=`cat $BGRT_DIR/xoffset` | |
| Y=`cat $BGRT_DIR/yoffset` | |
| convert -background black -extent $1-$X-$Y $BGRT_DIR/image $2 | |
| exit 0 |
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