Source code for pyctools.components.io.imagedisplay

#!/usr/bin/env python
#  Pyctools - a picture processing algorithm development kit.
#  http://github.com/jim-easterbrook/pyctools
#  Copyright (C) 2014-16  Pyctools contributors
#
#  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 3 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, see
#  <http://www.gnu.org/licenses/>.

import PIL.Image

__all__ = ['ImageDisplay']
__docformat__ = 'restructuredtext en'

from pyctools.core.base import Transformer

[docs]class ImageDisplay(Transformer): """View still image file. This is a "pass through" component that can be inserted anywhere in a pipeline. It displays the first frame it receives using :py:meth:`PIL.Image.Image.show`. """ def initialise(self): self.done = False def transform(self, in_frame, out_frame): if self.done: return True image = in_frame.as_PIL() image.show() self.done = True return True