39 lines
1.0 KiB
Python
39 lines
1.0 KiB
Python
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from random import random
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from kivy.app import App
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from kivy.uix.widget import Widget
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from kivy.uix.button import Button
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from kivy.graphics import Color, Ellipse, Line
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class MyPaintWidget(Widget):
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def on_touch_down(self, touch):
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color = (random(), 1, 1)
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with self.canvas:
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Color(*color, mode='hsv')
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d = 30.
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Ellipse(pos=(touch.x - d / 2, touch.y - d / 2), size=(d, d))
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touch.ud['line'] = Line(points=(touch.x, touch.y))
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def on_touch_move(self, touch):
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touch.ud['line'].points += [touch.x, touch.y]
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class MyPaintApp(App):
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def build(self):
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parent = Widget()
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self.painter = MyPaintWidget()
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clearbtn = Button(text='Clear')
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clearbtn.bind(on_release=self.clear_canvas)
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parent.add_widget(self.painter)
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parent.add_widget(clearbtn)
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return parent
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def clear_canvas(self, obj):
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self.painter.canvas.clear()
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if __name__ == '__main__':
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MyPaintApp().run()
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