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# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""gtk.gdk.Pixbuf extensions"""
import os
import cStringIO
import tempfile
import gtk
def to_file(pixbuf):
"""Convert pixbuf object to file object"""
def push(pixbuf, buffer):
buffer.write(pixbuf)
buffer = cStringIO.StringIO()
pixbuf.save_to_callback(push, 'png', user_data=buffer)
buffer.seek(0)
return buffer
def to_str(pixbuf):
"""Convert pixbuf object to string"""
return to_file(pixbuf).getvalue()
def from_str(str):
"""Convert string to pixbuf object"""
file_d, path = tempfile.mkstemp()
file_o = os.fdopen(file_d, 'w')
file_o.write(str)
file_o.close()
out = gtk.gdk.pixbuf_new_from_file(path)
os.unlink(path)
return out
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