mirror of https://github.com/sbrl/bin.git
51 lines
1.1 KiB
Bash
Executable File
51 lines
1.1 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
if [[ "$#" -ne 4 ]]
|
|
then
|
|
echo Side by side image generator
|
|
echo By Starbeamrainbowlabs
|
|
echo -e "\nUsage:"
|
|
echo " ./genframes.sh [leftimage.ext] [rightext.ext] [step] [outdir]"
|
|
echo -e "\nNote that the output directory should *not* contain the trailing slash."
|
|
exit
|
|
fi
|
|
|
|
i=0
|
|
step="$3"
|
|
|
|
imwidth=1680
|
|
imheight=1050
|
|
|
|
leftimage="$1"
|
|
rightimage="$2"
|
|
|
|
outdirprefix="$4/"
|
|
|
|
frame=0
|
|
while [ $(echo "$i <= 1" | bc) -eq 1 ]
|
|
do
|
|
nextoffset=$(calc -p "(${imwidth} / 2) * ${i}")
|
|
|
|
leftpixcount=$(calc -p "$i * $imwidth")
|
|
rightpixcount=$(calc -p "$imwidth - $leftpixcount")
|
|
|
|
framefilename=${outdirprefix}$(printf "%03d" "$frame").jpeg
|
|
|
|
echo $frame: $leftpixcount / $rightpixcount $framefilename
|
|
|
|
if [[ $(echo "$leftpixcount == 0" | bc) -eq 1 ]]
|
|
then
|
|
cp $rightimage $framefilename
|
|
elif [[ $(echo "$rightpixcount == 0" | bc) -eq 1 ]]
|
|
then
|
|
cp $leftimage $framefilename
|
|
else
|
|
convert $leftimage -crop ${leftpixcount}x${imheight}+0+0 $rightimage -crop ${rightpixcount}x${imheight}+$leftpixcount+0 +append "$framefilename"
|
|
fi
|
|
|
|
frame=$(calc -p "$frame + 1")
|
|
i=$(calc -p "$i + $step")
|
|
done
|
|
|
|
|