1 files changed, 0 insertions, 139 deletions
diff --git a/Demo/sgi/video/imgconv.py b/Demo/sgi/video/imgconv.py
deleted file mode 100755
index 8fc98b4..0000000
--- a/Demo/sgi/video/imgconv.py
+++ /dev/null
@@ -1,139 +0,0 @@
-import imageop
-
-error = 'imgconv.error'
-
-LOSSY = 1
-NOT_LOSSY = 0
-
-def null(img, x, y):
-	return img
-	
-def mono2grey(img, x, y):
-	return imageop.mono2grey(img, x, y, 0, 255)
-
-def grey2jpeggrey(img, x, y):
-	import jpeg
-	return jpeg.compress(img, x, y, 1)
-
-def rgb2jpeg(img, x, y):
-	import jpeg
-	return jpeg.compress(img, x, y, 4)
-
-def jpeggrey2grey(img, width, height):
-	import jpeg
-	data, width, height, bytesperpixel = jpeg.decompress(img)
-	if bytesperpixel <> 1: raise RuntimeError, 'not greyscale jpeg'
-	return data
-
-def jpeg2rgb(img, width, height):
-	import jpeg
-	data, width, height, bytesperpixel = jpeg.decompress(img)
-	if bytesperpixel <> 4: raise RuntimeError, 'not rgb jpeg'
-	return data
-
-converters = [ \
-	  ('grey',  'grey4', imageop.grey2grey4,   LOSSY), \
-	  ('grey',  'grey2', imageop.dither2grey2, LOSSY), \
-	  ('grey',  'mono',  imageop.dither2mono,  LOSSY), \
-	  ('mono',  'grey',  mono2grey,            NOT_LOSSY), \
-	  ('grey2', 'grey',  imageop.grey22grey,   NOT_LOSSY), \
-	  ('grey4', 'grey',  imageop.grey42grey,   NOT_LOSSY), \
-	  ('rgb',   'rgb8',  imageop.rgb2rgb8,     LOSSY), \
-	  ('rgb8',  'rgb',   imageop.rgb82rgb,     NOT_LOSSY), \
-	  ('rgb',   'grey',  imageop.rgb2grey,     LOSSY), \
-	  ('grey',  'rgb',   imageop.grey2rgb,     NOT_LOSSY), \
-	  ('jpeggrey','grey',jpeggrey2grey,        NOT_LOSSY), \
-	  ('grey',  'jpeggrey',grey2jpeggrey,      LOSSY), \
-	  ('jpeg',  'rgb',   jpeg2rgb,             NOT_LOSSY), \
-	  ('rgb',   'jpeg',  rgb2jpeg,             LOSSY), \
-]
-
-built = {}
-
-def addconverter(fcs, tcs, lossy, func):
-	for i in range(len(converters)):
-		ifcs, itcs, irtn, ilossy = converters[i]
-		if (fcs, tcs) == (ifcs, itcs):
-			converters[i] = (fcs, tcs, func, lossy)
-			return
-	converters.append((fcs,tcs,lossy,func))
-
-def getconverter(fcs, tcs):
-	#
-	# If formats are the same return the dummy converter
-	#
-	if fcs == tcs: return null
-	#
-	# Otherwise, if we have a converter return that one
-	#
-	for ifcs, itcs, irtn, ilossy in converters:
-		if (fcs, tcs) == (ifcs, itcs):
-			return irtn
-	#
-	# Finally, we try to create a converter
-	#
-	if not built.has_key(fcs):
-		built[fcs] = enumerate_converters(fcs)
-	if not built[fcs].has_key(tcs):
-		raise error, 'Sorry, conversion from '+fcs+' to '+tcs+ \
-			  ' is not implemented'
-	if len(built[fcs][tcs]) == 3:
-		#
-		# Converter not instantiated yet
-		#
-		built[fcs][tcs].append(instantiate_converter(built[fcs][tcs]))
-	cf = built[fcs][tcs][3]
-	return cf
-
-def enumerate_converters(fcs):
-	cvs = {}
-	formats = [fcs]
-	steps = 0
-	while 1:
-		workdone = 0
-		for ifcs, itcs, irtn, ilossy in converters:
-			if ifcs == fcs:
-				template = [ilossy, 1, [irtn]]
-			elif cvs.has_key(ifcs):
-				template = cvs[ifcs][:]
-				template[2] = template[2][:]
-				if ilossy:
-					template[0] = ilossy
-				template[1] = template[1] + 1
-				template[2].append(irtn)
-			else:
-				continue
-			if not cvs.has_key(itcs):
-				cvs[itcs] = template
-				workdone = 1
-			else:
-				previous = cvs[itcs]
-				if template < previous:
-					cvs[itcs] = template
-					workdone = 1
-		if not workdone:
-			break
-		steps = steps + 1
-		if steps > len(converters):
-			print '------------------loop in emunerate_converters--------'
-			print 'CONVERTERS:'
-			print converters
-			print 'RESULTS:'
-			print cvs
-			raise error, 'Internal error - loop'
-	return cvs
-
-def instantiate_converter(args):
-	list = args[2]
-	cl = RtConverters(list)
-	args.append(cl.convert)
-	return args
-
-class RtConverters:
-	def __init__(self, list):
-		self.list = list
-
-	def convert(self, img, w, h):
-		for cv in self.list:
-			img = cv(img, w, h)
-		return img