def _callback(x, y, width, height, buffer, data):
#print("+++ _callback:", x, y, width, height, ctypes.cast(buffer, ctypes.c_void_p))
if buffer:
try:
if new_data.poll():
arnold.AiRenderInterrupt()
else:
#print("+++ _callback: tile", x, y, width, height)
_buffer = ctypes.cast(buffer,
ctypes.POINTER(ctypes.c_ubyte))
a = numpy.ctypeslib.as_array(_buffer,
shape=(height, width, 4))
rect[y:y + height, x:x + width] = a
redraw_event.set()
return
finally:
arnold.AiFree(buffer)
elif not new_data.poll():
return
arnold.AiRenderAbort()
def end(self):
if self.is_interactive:
arnold.AiRenderInterrupt(arnold.AI_BLOCKING)
arnold.AiRenderEnd()
arnold.AiEnd()
def pause(self):
self.is_running = False
arnold.AiRenderInterrupt(arnold.AI_BLOCKING)