Pyplot与GTK

  1. import os
  3. import gi
  4. gi.require_version('Gtk', '3.0')
  5. from gi.repository import Gtk
  7. from matplotlib.figure import Figure
  8. from matplotlib.backends.backend_gtk3agg import (
  9.     FigureCanvasGTK3Agg as FigureCanvas)
  10. import numpy as np
  13. class Window1Signals(object):
  14.     def on_window1_destroy(self, widget):
  15.         Gtk.main_quit()
  18. def main():
  19.     builder = Gtk.Builder()
  20.     builder.add_objects_from_file(os.path.join(os.path.dirname(__file__),
  21.                                                "mpl_with_glade3.glade"),
  22.                                   ("window1", ""))
  23.     builder.connect_signals(Window1Signals())
  24.     window = builder.get_object("window1")
  25.     sw = builder.get_object("scrolledwindow1")
  27.     # Start of Matplotlib specific code
  28.     figure = Figure(figsize=(8, 6), dpi=71)
  29.     axis = figure.add_subplot(111)
  30.     t = np.arange(0.0, 3.0, 0.01)
  31.     s = np.sin(2*np.pi*t)
  32.     axis.plot(t, s)
  34.     axis.set_xlabel('time [s]')
  35.     axis.set_ylabel('voltage [V]')
  37.     canvas = FigureCanvas(figure)  # a Gtk.DrawingArea
  38.     canvas.set_size_request(800, 600)
  39.     sw.add_with_viewport(canvas)
  40.     # End of Matplotlib specific code
  42.     window.show_all()
  43.     Gtk.main()
  45. if __name__ == "__main__":
  46.     main()

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