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# cairo.py
#
# Copyright (C) 2011 Carlos Garcia Campos <carlosgc@gnome.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from __future__ import print_function
from backends import Backend, register_backend
import subprocess
import os
class Cairo(Backend):
def __init__(self, name):
Backend.__init__(self, name, '.diff.png')
self._pdftocairo = os.path.join(self._utilsdir, 'pdftocairo');
def create_refs(self, doc_path, refs_path, password = None):
out_path = os.path.join(refs_path, 'cairo')
cmd = [self._pdftocairo, '-cropbox', '-r', '72', '-png', doc_path, out_path]
if password is not None:
cmd.extend(['-opw', password, '-upw', password])
p = subprocess.Popen(cmd, stderr = subprocess.PIPE)
return self._check_exit_status(p, out_path)
def _create_diff(self, ref_path, result_path):
self._diff_png(ref_path, result_path)
register_backend('cairo', Cairo)
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