Embedding in an ipywidgets appΒΆ
In this example we demonstrate embedding the RemoteFrameBuffer
class inside a larger ipywidgets app.
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import numpy as np
import ipywidgets
import jupyter_rfb
Implement a simple RFB class, for the sake of the example:
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class SimpleRFB(jupyter_rfb.RemoteFrameBuffer):
green_value = 200
def get_frame(self):
a = np.zeros((100, 100, 3), np.uint8)
a[20:-20,20:-20,1] = self.green_value
return a
Compose a simple app:
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slider = ipywidgets.IntSlider(min=50, max=255, value=200)
rfb = SimpleRFB()
def on_slider_change(change):
rfb.green_value = change["new"]
rfb.request_draw()
slider.observe(on_slider_change, names='value')
ipywidgets.HBox([rfb, slider])
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