MKSHELL=rc
path=$PLAN9/bin $path

eps = wmii.eps
calc = rc -c 'echo 4k $* p | dc}

iconwidth  = 16
imagewidth = 154

%.pdf: %.eps
	sh epstopdf $stem.eps

%-small.png: %.eps
	epsbox = `{sed -n '/^%%BoundingBox:/{s/.*://p; q;}' $stem.eps}
	iconscale = `{*=$epsbox; $calc $iconwidth $3 $1 -/}
	iconheight = `{*=$epsbox; $calc $4 $2 - $iconscale '*'}
	* = `{hoc -e'-('$epsbox')'}
	x = $1
	y = $2
	gs -q -dBATCH -dNOPAUSE -s'DEVICE=pngalpha' -s'OutputFile='$target -g$iconwidth^x^$iconheight - <<!
		$iconscale $iconscale scale
		$x $y translate
		($eps) run
		showpage
		quit
	!
	optipng -fix $target

%.png: %.eps
	epsbox = `{sed -n '/^%%BoundingBox:/{s/.*://p; q;}' $stem.eps}
	imagescale = `{*=$epsbox; $calc $imagewidth $3 $1 -/}
	imageheight = `{*=$epsbox; $calc $4 $2 - $imagescale '*'}
	* = `{hoc -e'-('$epsbox')'}
	x = $1
	y = $2
	gs -q -dBATCH -dNOPAUSE -s'DEVICE=pngalpha' -s'OutputFile='$target -g$imagewidth^x^$imageheight - <<!
		$imagescale $imagescale scale
		$x $y translate
		($eps) run
		showpage
		quit
	!
	optipng -fix $target