Import Ghostscript 9.50ghostscript-9.50

Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>

1 files changed, 90 insertions, 0 deletions

diff --git a/toolbin/tests/make_two_pdfversions b/toolbin/tests/make_two_pdfversions
new file mode 100755
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+#!/usr/bin/env python
+# -*- Mode: python -*-
+
+# Copyright (C) 2001-2019 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)