Source code for fsleyes.gl.offscreenlightboxcanvas

#
# offscreenlightboxcanvas.py - The OffScreenLightBoxCanvas.
#
# Author: Paul McCarthy <pauldmccarthy@gmail.com>
#
"""This module provides the :class:`OffScreenLightBoxCanvas`, which is a
:class:`.LightBoxCanvas` for use in off-screen OpenGL rendering.
"""


import fsleyes.gl as fslgl
from . import        lightboxcanvas


[docs]class OffScreenLightBoxCanvas(lightboxcanvas.LightBoxCanvas, fslgl.OffScreenCanvasTarget): """The ``OffScreenLightBoxCanvas`` is a :class:`.LightBoxCanvas` which uses a :class:`.RenderTexture` as its target, for static off-screen Open GL rendering. """
[docs] def __init__(self, overlayList, displayCtx, zax, *args, **kwargs): """Create an ``OffScreenLightBoxCanvas``. See the :class:`.SliceCanvas` and :class:`.OffscreenCanvasTarget` classes for details on the other arguments. """ fslgl.OffScreenCanvasTarget .__init__(self, *args, **kwargs) lightboxcanvas.LightBoxCanvas.__init__(self, overlayList, displayCtx, zax) # LightBoxCanvas only updates itself # when a slice property changes. So # we force an initialisation just # in case. self._slicePropsChanged()