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#!/usr/bin/env python
# -*- Mode: python -*-
# Copyright (C) 2001-2020 Artifex Software, Inc.
# All Rights Reserved.
#
# This software is provided AS-IS with no warranty, either express or
# implied.
#
# This software is distributed under license and may not be copied,
# modified or distributed except as expressly authorized under the terms
# of the license contained in the file LICENSE in this distribution.
#
# Refer to licensing information at http://www.artifex.com or contact
# Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
# CA 94945, U.S.A., +1(415)492-9861, for further information.
#
#
# make_two_versions <filename> [<device> [<res>]]
#
# this script creates two versions of the file specified
# one from baseline, and one from head
# these are appropriate for a visual diff
import gstestgs
import gsconf
import rasterdb
import os, sys
import string
def make_version(ifile, ofile, device, dpi, baseline=0):
gs = gstestgs.Ghostscript()
gs.log_stdout = gsconf.log_stdout
gs.log_stderr = gsconf.log_stderr
if baseline:
gs.command = gsconf.baselinegs
else:
gs.command = gsconf.comparegs
gs.infile = gsconf.comparefiledir + ifile
gs.dpi = dpi
gs.band = 0
# make file->PDF
tfile = ofile + ".pdf"
gs.outfile = tfile
gs.device = 'pdfwrite'
if not gs.process():
print "error creating pdf."
return
gs.infile = tfile
gs.outfile = ofile
gs.device = device
if not gs.process():
print "error rasterizing pdf."
os.unlink(tfile)
if len(sys.argv) < 2:
print "\n usage: make_two_pdfversions filename [ device:ppmraw [ res:72 ] ]\n"
sys.exit()
file = os.path.basename(sys.argv[1])
if len(sys.argv) > 2:
device = sys.argv[2]
else:
device = 'ppmraw'
if len(sys.argv) > 3:
res = int(sys.argv[3])
else:
res = 72
dbfile = "%s.pdf.%s.%d.%d" % (file, device, res, 0)
ofile = "%s.pdf.%s.baseline.pnm" % (file, device)
# check for cached raster and use that if it exists
if rasterdb.exists(dbfile):
rasterdb.get_file(dbfile, output=ofile)
else:
make_version(file, ofile, device, res, baseline=1)
ofile = "%s.pdf.%s.compare.pnm" % (file, device)
make_version(file, ofile, device, res, baseline=0)
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