#!/bin/sh
function get_edid()
{
local index=0
local selection=0
gDisplayInf=($(ioreg -lw0 | grep -i "IODisplayEDID" | sed -e "/[^<]*//"))
if [[ "${#gDisplayInf[@]}" -ge 2 ]]; then
# Multi monitors detected. Choose target monitor.
echo ''
echo ' Monitors '
echo '------------------------------------'
echo ' Index | VendorID | ProductID '
echo '------------------------------------'
# Show monitors.
for display in "${gDisplayInf[@]}"
do
let index++
printf " %d | ${display:16:4} | ${display:20:4}\n" $index
done
echo '------------------------------------'
# Let user make a selection.
read -p "Choose the display: " selection
case $selection in
[[:digit:]]* )
# Lower selection (arrays start at zero).
if ((selection < 1 || selection > index)); then
echo "Enter error, bye";
exit 0
fi
let selection-=1
gMonitor=${gDisplayInf[$selection]}
;;
* )
echo "Enter error, bye";
exit 0
;;
esac
else
gMonitor=${gDisplayInf}
fi
if [[ ${gMonitor:16:1} == 0 ]]; then
# get rid of the prefix 0
gDisplayVendorID_RAW=${gMonitor:17:3}
else
gDisplayVendorID_RAW=${gMonitor:16:4}
fi
# convert from hex to dec
gDisplayVendorID=$((0x$gDisplayVendorID_RAW))
gDisplayProductID_RAW=${gMonitor:20:4}
# Exchange two bytes
# Fix an issue that will cause wrong name of DisplayProductID
if [[ ${gDisplayProductID_RAW:2:1} == 0 ]]; then
# get rid of the prefix 0
gDisplayProduct_pr=${gDisplayProductID_RAW:3:1}
else
gDisplayProduct_pr=${gDisplayProductID_RAW:2:2}
fi
gDisplayProduct_st=${gDisplayProductID_RAW:0:2}
gDisplayProductID_reverse="${gDisplayProduct_pr}${gDisplayProduct_st}"
gDisplayProductID=$((0x$gDisplayProduct_pr$gDisplayProduct_st))
EDID=$gMonitor
VendorID=$gDisplayVendorID
ProductID=$gDisplayProductID
Vid=$gDisplayVendorID_RAW
Pid=$gDisplayProductID_reverse
# echo $Vid
# echo $Pid
# echo $EDID
}
# init
function init()
{
#
cat << EEF
_ _ _____ _____ _____ _____
| | | | |_ _| | __ \ | __ \ |_ _|
| |__| | | | | | | | | |__) | | |
| __ | | | | | | | | ___/ | |
| | | | _| |_ | |__| | | | _| |_
|_| |_| |_____| |_____/ |_| |_____|
============================================
EEF
#
get_edid
edID=$(echo $EDID | sed 's/../b5/21')
EDid=$(echo $edID | xxd -r -p | base64)
thisDir=$(dirname $0)
thatDir="/System/Library/Displays/Contents/Resources/Overrides"
Overrides="\/System\/Library\/Displays\/Contents\/Resources\/Overrides\/"
DICON="com\.apple\.cinema-display"
imacicon=${Overrides}"DisplayVendorID-610\/DisplayProductID-a032.tiff"
mbpicon=${Overrides}"DisplayVendorID-610\/DisplayProductID-a030-e1e1df.tiff"
mbicon=${Overrides}"DisplayVendorID-610\/DisplayProductID-a028-9d9da0.tiff"
lgicon=${Overrides}"DisplayVendorID-1e6d\/DisplayProductID-5b11.tiff"
if [[ ! -d $thatDir/HIDPI/backup ]]; then
echo "Backing up..."
sudo mkdir -p $thatDir/HIDPI/backup
sudo cp $thatDir/Icons.plist $thatDir/HIDPI/backup/
if [[ -d $thatDir/DisplayVendorID-$Vid ]]; then
sudo cp -r $thatDir/DisplayVendorID-$Vid $thatDir/HIDPI/backup/
fi
fi
if [[ ! -f $thatDir/HIDPI/disable ]]; then
generate_restore_cmd
fi
}
#
function generate_restore_cmd()
{
#
rm -rf $thisDir/tmp/
mkdir -p $thisDir/tmp/
cat > "$thisDir/tmp/disable" <<-\CCC
function get_edid()
{
local index=0
local selection=0
gDisplayInf=($(ioreg -lw0 | grep -i "IODisplayEDID" | sed -e "/[^<]*//"))
if [[ "${#gDisplayInf[@]}" -ge 2 ]]; then
echo ' Monitors '
echo '------------------------------------'
echo ' Index | VendorID | ProductID '
echo '------------------------------------'
for display in "${gDisplayInf[@]}"
do
let index++
printf " %d | ${display:16:4} | ${display:20:4}\n" $index
done
echo '------------------------------------'
read -p "Choose the display: " selection
case $selection in
[[:digit:]]* )
if ((selection < 1 || selection > index)); then
echo "Enter error, bye";
exit 0
fi
let selection-=1
gMonitor=${gDisplayInf[$selection]}
;;
* )
echo "Enter error, bye";
exit 0
;;
esac
else
gMonitor=${gDisplayInf}
fi
if [[ ${gMonitor:16:1} == 0 ]]; then
gDisplayVendorID_RAW=${gMonitor:17:3}
else
gDisplayVendorID_RAW=${gMonitor:16:4}
fi
gDisplayVendorID=$((0x$gDisplayVendorID_RAW))
gDisplayProductID_RAW=${gMonitor:20:4}
if [[ ${gDisplayProductID_RAW:2:1} == 0 ]]; then
gDisplayProduct_pr=${gDisplayProductID_RAW:3:1}
else
gDisplayProduct_pr=${gDisplayProductID_RAW:2:2}
fi
gDisplayProduct_st=${gDisplayProductID_RAW:0:2}
gDisplayProductID_reverse="${gDisplayProduct_pr}${gDisplayProduct_st}"
gDisplayProductID=$((0x$gDisplayProduct_pr$gDisplayProduct_st))
EDID=$gMonitor
Vid=$gDisplayVendorID_RAW
Pid=$gDisplayProductID_reverse
# echo $Vid
# echo $Pid
# echo $EDID
}
get_edid
if [[ -d ../DisplayVendorID-$Vid ]]; then
rm -rf ../DisplayVendorID-$Vid
fi
rm -rf ../Icons.plist
cp -r ./backup/* ../
rm -rf ./disable
echo "HIDPI Disabled"
CCC
sudo mv $thisDir/tmp/disable $thatDir/HIDPI/
sudo chmod +x $thatDir/HIDPI/disable
}
# choose_icon
function choose_icon()
{
#
rm -rf $thisDir/tmp/
mkdir -p $thisDir/tmp/
curl -fsSL https://raw.githubusercontent.com/xzhih/one-key-hidpi/master/Icons.plist -o $thisDir/tmp/Icons.plist
# curl -fsSL http://127.0.0.1:8080/Icons.plist -o $thisDir/tmp/Icons.plist
#
cat << EOF
------------------------------------
|********** Choose Icon ***********|
------------------------------------
(1) iMac
(2) MacBook
(3) MacBook Pro
(4) LG Display
(5) Remain as it is
EOF
read -p "Enter your choice [1~5]: " logo
case $logo in
1) Picon=$imacicon
RP=("33" "68" "160" "90")
;;
2) Picon=$mbicon
RP=("52" "66" "122" "76")
;;
3) Picon=$mbpicon
RP=("40" "62" "147" "92")
;;
4) Picon=$lgicon
RP=("11" "47" "202" "114")
DICON=${Overrides}"DisplayVendorID-1e6d\/DisplayProductID-5b11.icns"
;;
5) rm -rf $thisDir/tmp/Icons.plist
;;
*)
echo "Enter error, bye";
exit 0
;;
esac
if [[ $Picon ]]; then
/usr/bin/sed -i "" "s/VID/$Vid/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/PID/$Pid/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/RPX/${RP[0]}/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/RPY/${RP[1]}/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/RPW/${RP[2]}/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/RPH/${RP[3]}/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/PICON/$Picon/g" $thisDir/tmp/Icons.plist
/usr/bin/sed -i "" "s/DICON/$DICON/g" $thisDir/tmp/Icons.plist
fi
}
# main
function main()
{
sudo mkdir -p $thisDir/tmp/DisplayVendorID-$Vid
dpiFile=$thisDir/tmp/DisplayVendorID-$Vid/DisplayProductID-$Pid
sudo chmod -R 777 $thisDir/tmp/
#
cat > "$dpiFile" <<-\CCC
DisplayProductID
PID
DisplayVendorID
VID
IODisplayEDID
EDid
scale-resolutions
CCC
cat << EOF
------------------------------------------
|********** resolution config ***********|
------------------------------------------
(1) 1080P Display
(2) 2K Display
(3) Manual input resolution
EOF
read -p "Enter your choice: " res
case $res in
1 ) create_res_1 1680x944 1600x900 1440x810 1280x720 1024x576
;;
2 ) create_res_1 2048x1152 1920x1080 1680x944 1440x810 1280x720
create_res_2 1024x576
create_res_3 960x540
create_res_4 2048x1152 1920x1080
;;
3 ) custom_res;;
esac
create_res_2 1280x800 1280x720 960x600 960x540 640x360
create_res_3 840x472 800x450 720x405 640x360 576x324 512x288 420x234 400x225 320x180
create_res_4 1680x944 1600x900 1440x810 1280x720 1024x576 960x540 840x472 800x450 640x360
cat >> "$dpiFile" <<-\FFF
target-default-ppmm
10.0699301
FFF
/usr/bin/sed -i "" "s/VID/$VendorID/g" $dpiFile
/usr/bin/sed -i "" "s/PID/$ProductID/g" $dpiFile
}
# end
function end()
{
sudo cp -r $thisDir/tmp/* $thatDir/
sudo rm -rf $thisDir/tmp
echo "Enabled, please reboot."
echo "Rebooting the logo for the first time will become huge, then it will not be."
}
# custom resolution
function custom_res()
{
echo "Enter the HIDPI resolution, separated by a space,like this: 1680x945 1600x900 1440x810"
read -p ":" res
create_res $res
}
# create resolution
function create_res()
{
for res in $@; do
width=$(echo $res | cut -d x -f 1)
height=$(echo $res | cut -d x -f 2)
hidpi=$(printf '%08x %08x' $(($width*2)) $(($height*2)) | xxd -r -p | base64)
#
cat << OOO >> $dpiFile
${hidpi:0:11}AAAAB
${hidpi:0:11}AAAABACAAAA==
OOO
done
}
function create_res_1()
{
for res in $@; do
width=$(echo $res | cut -d x -f 1)
height=$(echo $res | cut -d x -f 2)
hidpi=$(printf '%08x %08x' $(($width*2)) $(($height*2)) | xxd -r -p | base64)
#
cat << OOO >> $dpiFile
${hidpi:0:11}A
OOO
done
}
function create_res_2()
{
for res in $@; do
width=$(echo $res | cut -d x -f 1)
height=$(echo $res | cut -d x -f 2)
hidpi=$(printf '%08x %08x' $(($width*2)) $(($height*2)) | xxd -r -p | base64)
#
cat << OOO >> $dpiFile
${hidpi:0:11}AAAABACAAAA==
OOO
done
}
function create_res_3()
{
for res in $@; do
width=$(echo $res | cut -d x -f 1)
height=$(echo $res | cut -d x -f 2)
hidpi=$(printf '%08x %08x' $(($width*2)) $(($height*2)) | xxd -r -p | base64)
#
cat << OOO >> $dpiFile
${hidpi:0:11}AAAAB
OOO
done
}
function create_res_4()
{
for res in $@; do
width=$(echo $res | cut -d x -f 1)
height=$(echo $res | cut -d x -f 2)
hidpi=$(printf '%08x %08x' $(($width*2)) $(($height*2)) | xxd -r -p | base64)
#
cat << OOO >> $dpiFile
${hidpi:0:11}AAAAJAKAAAA==
OOO
done
}
# enable
function enable_hidpi()
{
choose_icon
main
sed -i "" "/.*IODisplayEDID/d" $dpiFile
sed -i "" "/.*EDid/d" $dpiFile
end
}
# patch
function enable_hidpi_with_patch()
{
choose_icon
main
/usr/bin/sed -i "" "s:EDid:${EDid}:g" $dpiFile
end
}
# disable
function disable()
{
if [[ -d $thatDir/DisplayVendorID-$Vid ]]; then
sudo rm -rf $thatDir/DisplayVendorID-$Vid
fi
sudo rm -rf $thatDir/Icons.plist
sudo cp -r $thatDir/HIDPI/backup/* $thatDir/
sudo rm -rf $thatDir/HIDPI/disable
echo "Disabled, restart takes effect"
}
#
function start()
{
init
#
cat << EOF
(1) Enable HIDPI
(2) Enable HIDPI (with patch)
(3) Disable HIDPI
EOF
read -p "Enter your choice [1~3]: " input
case $input in
1) enable_hidpi
;;
2) enable_hidpi_with_patch
;;
3) disable
;;
*)
echo "Enter error, bye";
exit 0
;;
esac
}
start