# Copyright (C) 2002-2006 Alexei Gilchrist and Paul Cochrane
#
# 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.
# $Id: render.py,v 1.31 2006/02/28 17:08:10 paultcochrane Exp $
"""
Create the actual postscript
"""
__revision__ = '$Revision: 1.31 $'
from pyscript.defaults import defaults
from pyscript.groups import Eps,Page,Pages
from pyscript.vectors import P
# ---------------------------------------------------------------------------
# Create the actual postscript
# ---------------------------------------------------------------------------
def render(*objects, **options):
'''
render the file
@param objects: list of objects to render
@type objects: list
@param options: dictionary of options to use when rendering
@type options: dict
'''
if not options.has_key('file'):
raise LookupError, "No filename given"
out = open(options['file'], "w")
if len(objects) == 0:
raise ValueError, "No objects to render!"
elif len(objects) == 1:
if isinstance(objects[0], Eps):
obj = objects[0]
elif isinstance(objects[0], Pages):
obj = objects[0]
elif isinstance(objects[0], Page):
# wrap in Pages environment
obj = apply(Pages, objects)
else:
# assume it's an eps and wrap
obj = apply(Eps, objects)
else:
if isinstance(objects[0], Page):
# assume we have pages
obj = apply(Pages, objects)
else:
# we have an eps
obj = apply(Eps, objects)
if isinstance(obj, Eps):
# Make the sw corner (0,0) since some brain-dead previewers
# don't understand bounding-boxes
x1, y1, x2, y2 = obj.bbox_pp()
obj.move( (P(0, 0) - P(x1, y1))/float(defaults.units) )
obj.write(out)
out.close()
print "Wrote", options['file']
# vim: expandtab shiftwidth=4:
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