NUI Paint - Python

from __future__ import with_statement

from pymt import *

from pyglet.gl import *

from layermanager import *

class Canvas(MTScatterWidget):

    def __init__(self, **kwargs):

        super(Canvas, self).__init__(**kwargs)

        self.canvas_area = CanvasArea(pos=(10,10),size=(500,400))

        self.add_widget(self.canvas_area)

    def draw(self):

        with gx_matrix:

            glColor4f(0,0,0,1)

            drawRectangle((0,0),(self.width,self.height))

    def set_mode(self,mode):

        self.canvas_area.layer_manager.set_mode(mode)

class CanvasArea(MTStencilContainer):

    def __init__(self, **kwargs):

        super(CanvasArea, self).__init__(**kwargs)

        self.layer_manager = LayerManager(pos=(10,10),canvas=self)

        self.add_widget(self.layer_manager)

    #def draw(self):

    #    pass

        #self.draw() 

if __name__ == '__main__':

    w = MTWindow()

    canvas = Canvas(size=(520,420),pos=(w.width/2-260,w.height/2-120))

    w.add_widget(canvas)

    draw_but = MTButton(label="Painting")

    w.add_widget(draw_but)

    @draw_but.event    

    def on_press(touchID, x, y):

        canvas.set_mode(mode='draw')

    zoom_but = MTButton(label="Layering",pos=(draw_but.width+5,0))

    @zoom_but.event    

    def on_press(touchID, x, y):

        canvas.set_mode(mode='zoom')

    w.add_widget(zoom_but)

    runTouchApp()