85 lines
2.2 KiB
Python
85 lines
2.2 KiB
Python
'''
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Circle Example
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==============
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This example exercises circle (ellipse) drawing. You should see sliders at the
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top of the screen with the Kivy logo below it. The sliders control the
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angle start and stop and the height and width scales. There is a button
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to reset the sliders. The logo used for the circle's background image is
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from the kivy/data directory. The entire example is coded in the
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kv language description.
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'''
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from kivy.app import App
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from kivy.lang import Builder
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kv = '''
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BoxLayout:
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orientation: 'vertical'
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BoxLayout:
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size_hint_y: None
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height: sp(100)
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BoxLayout:
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orientation: 'vertical'
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Slider:
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id: e1
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min: -360.
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max: 360.
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Label:
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text: 'angle_start = {}'.format(e1.value)
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BoxLayout:
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orientation: 'vertical'
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Slider:
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id: e2
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min: -360.
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max: 360.
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value: 360
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Label:
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text: 'angle_end = {}'.format(e2.value)
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BoxLayout:
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size_hint_y: None
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height: sp(100)
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BoxLayout:
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orientation: 'vertical'
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Slider:
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id: wm
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min: 0
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max: 2
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value: 1
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Label:
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text: 'Width mult. = {}'.format(wm.value)
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BoxLayout:
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orientation: 'vertical'
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Slider:
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id: hm
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min: 0
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max: 2
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value: 1
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Label:
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text: 'Height mult. = {}'.format(hm.value)
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Button:
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text: 'Reset ratios'
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on_press: wm.value = 1; hm.value = 1
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FloatLayout:
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canvas:
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Color:
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rgb: 1, 1, 1
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Ellipse:
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pos: 100, 100
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size: 200 * wm.value, 201 * hm.value
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source: 'data/logo/kivy-icon-512.png'
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angle_start: e1.value
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angle_end: e2.value
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'''
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class CircleApp(App):
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def build(self):
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return Builder.load_string(kv)
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CircleApp().run()
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