from zope.interface import Interface
from zope.interface import implements

from graph.components import BaseComponent, Image
from graph.interfaces import IAxis, IViewBox


class IPlotImage(Interface):
    """
    Componante to plot a 2d graph of a given image
    """


class PlotImage( BaseComponent):
    """
    Makes a 2D plot for an image
    """
    implements(IPlotImage)

    def __init__(self, parent, image):
        super(PlotImage, self).__init__(parent)
        self.image = image
        self.x_axis = IAxis(self)
        self.x_axis.orientation='bottom'
        self.x_axis.start=0
        self.x_axis.end=8

        self.y_axis = IAxis(self)
        self.y_axis.orientation='left'
        self.y_axis.start=-5
        self.y_axis.end=3

        self.vb = IViewBox(self)

        self.vb.addItem( self.x_axis )
        self.vb.addItem( self.y_axis )
        self.vb.addItem( self.image )

    def render(self):
        return self.vb.render()



image = Image(None, None)
plot =  PlotImage( None, image)
print( plot.render())