import random
import ch.psi.pshell.device.Readable.ReadableArray as ReadableArray
 
class SimulatedOutput(Writable):
    def write(self, value):
        pass


class SimulatedInput(Readable):
    def __init__(self):
        self.x = 0.0

    def read(self):
        self.x = self.x + 0.2
        noise = (random.random() - 0.5) / 20.0
        return math.sin(self.x)  + noise


sout = SimulatedOutput()
sinp = SimulatedInput()

def integrate_image():
    data = scienta.data.read()
    #Integrate and plot
    (width,height) = scienta.getImageSize().tolist()
    integration = []
    for i in range(width):
        p=0.0
        for j in range(height):
            p=p+data[j*width+i]
        integration.append(p)
    return integration


class ImageIntegrator(ReadableArray):
    def getSize(self):
        (width,height) = scienta.getImageSize().tolist()
        return width

    def read(self):
        return to_array(integrate_image(),'d')

integration = ImageIntegrator()


def trig_scienta():
    scienta.start()
    scienta.waitReady(-1)