#!/bin/ksh
#This gateway is run by the form in

#iOS 8 UITabBarController icons
#Transparent pixels are invisible.

export PATH=~/public_html/INFO1-CE9236/netpbm/bin:$PATH
export LD_LIBRARY_PATH=~/public_html/INFO1-CE9236/netpbm/lib
export RGBDEF=/home1/m/mm64/public_html/INFO1-CE9236/netpbm/lib/rgb.txt

for file in Bronx_unselected@2x.png Bronx_selected@2x.png
do
	if [[ $file = Bronx_unselected@2x.png ]]
	then
		outline='0 0 0'
		fill='255 255 255'
	else
		outline='255 255 255'
		fill='0 0 0'
	fi

	rm -f $file
	(
	echo P3
	echo 60 60
	echo 255
	r=0
	while ((r < 60))
	do
		c=0;
		while ((c < 60))
		do
			if ((r <= 1 || r >= 58
				|| c <= 1 || c >= 58
				|| r >= c - 1 && r <= c + 1))
			then
				echo $outline
			else
				echo $fill
			fi
			((++c))
		done
		((++r))
	done
	) |
	pnmtopng -transparent =rgb:FF/FF/FF > $file
	chmod 444 $file
	mv $file ~
done

cp ~/Bronx_unselected@2x.png ~/Brooklyn_unselected@2x.png
chmod 444 ~/Brooklyn_unselected@2x.png

(
echo P3
echo 60 60
echo 255
r=-30
while ((r < 30))
do
	c=-30
	while ((c < 30))
	do
		if ((r >= -15 && r < 15 && c >= -15 && c < 15))
		then
			echo 0 0 0
		else
			echo  255 255 255
		fi
		((++c))
	done
	((++r))
done
) |
pnmtopng -transparent =rgb:FF/FF/FF > ~/Manhattan_unselected@2x.png
chmod 444 ~/Manhattan_unselected@2x.png

(
echo P3
echo 60 60
echo 255
r=-30
while ((r < 30))
do
	c=-30;
	while ((c < 30))
	do
		if ((c < -r + 15 && c >= r - 15 && c < r + 15 && c >= -r - 15))
		then
			echo 0 0 0
		else
			echo  255 255 255
		fi
		((++c))
	done
	((++r))
done
) |
pnmtopng -transparent =rgb:FF/FF/FF > ~/Queens_unselected@2x.png
chmod 444 ~/Queens_unselected@2x.png

(
echo P3
echo 60 60
echo 255
r=-30
while ((r < 30))
do
	c=-30
	while ((c < 30))
	do
		if ((hypot(r, c) < 15))
		then
			echo 0 0 0
		else
			echo  255 255 255
		fi
		((++c))
	done
	((++r))
done
) |
pnmtopng -transparent =rgb:FF/FF/FF > ~/Staten_unselected@2x.png
chmod 444 ~/Staten_unselected@2x.png

exit