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#! /usr/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)
#
from __future__ import print_function
import getopt
import string
import 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 as v:
print(v)
sys.exit(1)
output_format = None
convert = None
options = {}
for o, a in opt:
if o == "-f":
Image.init()
id = sorted(Image.ID)
print("Supported formats (* indicates output format):")
for i in id:
if i in Image.SAVE:
print(i+"*", end=' ')
else:
print(i, end=' ')
sys.exit(1)
elif o == "-c":
output_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 output_format:
im.save(argv[1], output_format, **options)
else:
im.save(argv[1], **options)
except:
print("cannot convert image", end=' ')
print("(%s:%s)" % (sys.exc_info()[0], sys.exc_info()[1]))