multitouch/src/MultitouchInteractor.py

import vtk
from threading import Thread

from objreader import read_obj
from touch import MultitouchServer


class MultitouchInteractor():
    def __init__(self):
        self.iren = vtk.vtkRenderWindowInteractor()

        self.touch_server = MultitouchServer(verbose=1, tuio_verbose=1)
        self.touch_server.bind('rotate', self.on_rotate)
        self.touch_server.bind('pinch', self.on_pinch)
        self.touch_server.bind('tap', self.on_tap)

    def SetRenderWindow(self, window):
        self.iren.SetRenderWindow(window)
        self.window = window

    def Initialize(self):
        self.iren.Initialize()

    def Start(self):
        #self.iren.Start()

        #t = Thread(target=self.iren.Start)
        #t.daemon = True
        #t.start()
        self.touch_server.start(threaded=True, daemon=True)

        try:
            import time

            while True:
                self.window.Render()
                time.sleep(1. / 60)
        except KeyboardInterrupt:
            return

    def SetCamera(self, camera):
        self.camera = camera

    def on_rotate(self, event):
        self.camera.Roll(event.angle)

    def on_pinch(self, event):
        pass

    def on_tap(self, event):
        print 'tap:', event


if __name__ == '__main__':
    # Create render window and interactor
    ren = vtk.vtkRenderer()
    win = vtk.vtkRenderWindow()
    win.AddRenderer(ren)
    mt = MultitouchInteractor()

    mt.SetRenderWindow(win)

    # Read OBJ file
    cubemapper = read_obj('cube.obj')

    # Create actor
    cubeactor = vtk.vtkActor()
    cubeactor.SetMapper(cubemapper)
    ren.AddActor(cubeactor)

    mt.Initialize()
    mt.SetCamera(ren.GetActiveCamera())
    win.Render()
    mt.Start()