pyui

pyui/preview.py

@@ -17,15 +17,14 @@
 from . import preview_generated
 
 class PreviewPanel(preview_generated.PreviewPanel):
-    __slots__ = 'canvas', 'context'
+    __slots__ = 'video_canvas'
 
     def __init__(self, parent, id, pos, size, style):
         preview_generated.PreviewPanel.__init__(self, parent, id = id, pos = pos, size = size, style = style)
-        self.canvas = self._video_canvas
-        self.context = self._video_canvas.context
+        self.video_canvas = self._video_canvas
 
     def initdialog_event_handler(self, event):
-        self.canvas.SetCurrent(self.context)
+        self.video_canvas.SetCurrent(self.video_canvas.context)
 
     def size_event_handler(self, event):
         pass

pyui/video.py

@@ -25,3 +25,5 @@ class VideoCanvas(wx.glcanvas.GLCanvas):
             wx.glcanvas.GLAttributes().PlatformDefaults().RGBA().FrameBuffersRGB().DoubleBuffer().EndList())
         self.context = wx.glcanvas.GLContext(self, ctxAttrs =
             wx.glcanvas.GLContextAttrs().CoreProfile().OGLVersion(4,6).EndList())
+        if not self.context.IsOK()):
+            raise RuntimeError("Failed to create GL Context")