#!/usr/bin/env python
# -*- Mode: python -*-

#    Copyright (C) 2001 Artifex Software Inc.
# 
# This file is part of GNU ghostscript
#
# GNU ghostscript is free software; you can redistribute it and/or
# modify it under the terms of the version 2 of the GNU General Public
# License as published by the Free Software Foundation.
#
# This software is provided AS-IS with no warranty, either express or
# implied. That is, this program is distributed in the hope that it will 
# be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA, 02110-1301.


# $Id: revert_pdfbaseline,v 1.6 2007/08/01 14:26:58 jemarch Exp $

#
# revert_pdfbaseline <file>
#
# this script updates the testdata database with a new baseline sum
# for all versions of file <file>.  use this when you've accidentally
# updated a baseline you shouldn't have.

import gstestgs
import gsconf
import gssum
import gsparamsets
import rasterdb
import anydbm
import time
import os, sys
import string
import gsutil

def make_pdfcompare_entry(ifile, device, dpi, band):
    ofile = "%s.pdf.%s.%d.%d" % (ifile, device, dpi, band)
    print "reverting entry: " + ofile + "...",
    sys.stdout.flush()

    gs = gstestgs.Ghostscript()
    gs.log_stdout = gsconf.log_stdout
    gs.log_stderr = gsconf.log_stderr
    gs.command = gsconf.baselinegs
    gs.infile = gsconf.comparefiledir + ifile
    gs.dpi = dpi
    gs.band = band

    # make file->PDF

    tfile = ofile + ".pdf"
    gs.outfile = tfile
    gs.device = 'pdfwrite'
    gs.dpi = None

    if not gs.process():
        print "error."
        return

    gs.infile = tfile
    gs.outfile = ofile
    gs.device = device
    gs.dpi = dpi

    if gs.process():
        try:
	    if gsconf.log_baseline:
	        log = open(gsconf.log_baseline, "a")
		log.write(time.ctime() + " " + ifile + " reverted (pdfwrite)\n")
		log.close()
            gssum.add_file(ofile)
            rasterdb.put_file(ofile)
            os.unlink(tfile)
            os.unlink(ofile)
            print "done."
        except OSError:
            print "no output produced."
    else:
        print "error."

f = os.path.basename(sys.argv[1])

if gsutil.check_extension(f):
    for params in gsparamsets.testparamsets:
        make_pdfcompare_entry(f, params.device, params.resolution, params.banding)
