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""" turtle-example-suite: tdemo_scribble.py Another very rudimentary paint program - use left mouse button to move turtle (by clicking) or to drag it drawing. - middle mouse button to toggle fill-state (watch fillindicator) - colorbuttons: left button sets pencolor, right button sets fillcolor - keys 123456789 set pensize - spacebar clears drawing - press backspace to undo recent drawing steps. ------------------------------------------- Try to draw! ------------------------------------------- To exit press STOP button ------------------------------------------- """ from turtle import * import sys sys.setrecursionlimit(20000) class ColorButton(Turtle): def __init__(self, col, x, y): Turtle.__init__(self) self.pu(); self.goto(x, y) self.color(col) self.shape("square") self.onclick(self.setpencolor) self.onclick(self.setfillcolor, 3) def setpencolor(self, x, y): pencolor(self.pencolor()) def setfillcolor(self, x, y): fillcolor(self.pencolor()) def jump(x,y): if x > -350: pu(); goto(x,y); pd() def fill_switch(): while True: fillindicator.fillcolor("red") yield begin_fill() fillindicator.fillcolor("") yield end_fill() def toggle_fill(x, y): next(fs) def main(): global fs, fillindicator setup(800, 600, -20, 20) reset() shape("circle") shapesize(0.5) pencolor("black") fillcolor("gray") speed(0) fs = fill_switch() ondrag(goto) onscreenclick(jump) onscreenclick(toggle_fill, 2) for c in "123456789": def setpensize(s=int(c)): pensize(s) shapesize(outline=s) onkey(setpensize, c) onkey(clear, "space") onkeypress(undo, "BackSpace") tracer(False) ColorButton("gray", -365, 120) ColorButton("yellow", -365, 90) ColorButton("orange", -365, 60) ColorButton("red", -365, 30) ColorButton("violet", -365, 0) ColorButton("blue", -365, -30) ColorButton("green", -365, -60) ColorButton("black", -365, -90) fillindicator = Turtle(shape="circle") fillindicator.pu() fillindicator.goto(-365, -180) fillindicator.color("black", "") tracer(True) listen() return "DONE!" if __name__ == "__main__": msg = main() print(msg) mainloop()