#! /usr/local/bin/python
#
# The Python Imaging Library.
# $Id$
#
# convert image files
#
# History:
# 0.1 96-04-20 fl Created
# 0.2 96-10-04 fl Use draft mode when converting images
# 0.3 96-12-30 fl Optimize output (PNG, JPEG)
# 0.4 97-01-18 fl Made optimize an option (PNG, JPEG)
# 0.5 98-12-30 fl Fixed -f option (from Anthony Baxter)
#
import site
import getopt, string, sys
from PIL import Image
def usage():
print "PIL Convert 0.5/1998-12-30 -- convert image files"
print "Usage: pilconvert [option] infile outfile"
print
print "Options:"
print
print " -c <format> convert to format (default is given by extension)"
print
print " -g convert to greyscale"
print " -p convert to palette image (using standard palette)"
print " -r convert to rgb"
print
print " -o optimize output (trade speed for size)"
print " -q <value> set compression quality (0-100, JPEG only)"
print
print " -f list supported file formats"
sys.exit(1)
if len(sys.argv) == 1:
usage()
try:
opt, argv = getopt.getopt(sys.argv[1:], "c:dfgopq:r")
except getopt.error, v:
print v
sys.exit(1)
format = None
convert = None
options = { }
for o, a in opt:
if o == "-f":
Image.init()
id = Image.ID[:]
id.sort()
print "Supported formats (* indicates output format):"
for i in id:
if Image.SAVE.has_key(i):
print i+"*",
else:
print i,
sys.exit(1)
elif o == "-c":
format = a
if o == "-g":
convert = "L"
elif o == "-p":
convert = "P"
elif o == "-r":
convert = "RGB"
elif o == "-o":
options["optimize"] = 1
elif o == "-q":
options["quality"] = string.atoi(a)
if len(argv) != 2:
usage()
try:
im = Image.open(argv[0])
if convert and im.mode != convert:
im.draft(convert, im.size)
im = im.convert(convert)
if format:
apply(im.save, (argv[1], format), options)
else:
apply(im.save, (argv[1],), options)
except:
print "cannot convert image",
print "(%s:%s)" % (sys.exc_type, sys.exc_value)
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