184 lines
4.1 KiB
Python
184 lines
4.1 KiB
Python
'''
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Lines Extended Demo
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===================
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This demonstrates how to use the extended line drawing routines such
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as circles, ellipses, and rectangles. You should see a static image of
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labelled shapes on the screen.
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'''
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from kivy.app import App
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.widget import Widget
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from kivy.lang import Builder
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Builder.load_string('''
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<LineEllipse1>:
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canvas:
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Color:
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rgba: 1, .1, .1, .9
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Line:
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width: 2.
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ellipse: (self.x, self.y, self.width, self.height)
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Label:
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center: root.center
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text: 'Ellipse'
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<LineEllipse2>:
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canvas:
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Color:
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rgba: 1, .1, .1, .9
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Line:
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width: 2.
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ellipse: (self.x, self.y, self.width, self.height, 90, 180)
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Label:
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center: root.center
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text: 'Ellipse from 90 to 180'
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# fun result with low segments!
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<LineEllipse3>:
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canvas:
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Color:
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rgba: 1, .1, .1, .9
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Line:
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width: 2.
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ellipse: (self.x, self.y, self.width, self.height, 90, 720, 10)
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Label:
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center: root.center
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text: 'Ellipse from 90 to 720\\n10 segments'
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halign: 'center'
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<LineCircle1>:
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canvas:
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Color:
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rgba: .1, 1, .1, .9
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Line:
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width: 2.
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circle:
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(self.center_x, self.center_y, min(self.width, self.height)
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/ 2)
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Label:
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center: root.center
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text: 'Circle'
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<LineCircle2>:
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canvas:
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Color:
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rgba: .1, 1, .1, .9
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Line:
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width: 2.
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circle:
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(self.center_x, self.center_y, min(self.width, self.height)
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/ 2, 90, 180)
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Label:
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center: root.center
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text: 'Circle from 90 to 180'
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<LineCircle3>:
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canvas:
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Color:
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rgba: .1, 1, .1, .9
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Line:
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width: 2.
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circle:
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(self.center_x, self.center_y, min(self.width, self.height)
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/ 2, 90, 180, 10)
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Label:
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center: root.center
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text: 'Circle from 90 to 180\\n10 segments'
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halign: 'center'
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<LineCircle4>:
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canvas:
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Color:
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rgba: .1, 1, .1, .9
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Line:
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width: 2.
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circle:
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(self.center_x, self.center_y, min(self.width, self.height)
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/ 2, 0, 360)
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Label:
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center: root.center
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text: 'Circle from 0 to 360'
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halign: 'center'
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<LineRectangle>:
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canvas:
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Color:
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rgba: .1, .1, 1, .9
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Line:
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width: 2.
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rectangle: (self.x, self.y, self.width, self.height)
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Label:
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center: root.center
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text: 'Rectangle'
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<LineBezier>:
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canvas:
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Color:
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rgba: .1, .1, 1, .9
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Line:
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width: 2.
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bezier:
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(self.x, self.y, self.center_x - 40, self.y + 100,
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self.center_x + 40, self.y - 100, self.right, self.y)
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Label:
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center: root.center
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text: 'Bezier'
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''')
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class LineEllipse1(Widget):
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pass
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class LineEllipse2(Widget):
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pass
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class LineEllipse3(Widget):
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pass
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class LineCircle1(Widget):
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pass
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class LineCircle2(Widget):
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pass
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class LineCircle3(Widget):
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pass
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class LineCircle4(Widget):
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pass
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class LineRectangle(Widget):
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pass
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class LineBezier(Widget):
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pass
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class LineExtendedApp(App):
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def build(self):
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root = GridLayout(cols=2, padding=50, spacing=50)
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root.add_widget(LineEllipse1())
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root.add_widget(LineEllipse2())
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root.add_widget(LineEllipse3())
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root.add_widget(LineCircle1())
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root.add_widget(LineCircle2())
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root.add_widget(LineCircle3())
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root.add_widget(LineCircle4())
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root.add_widget(LineRectangle())
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root.add_widget(LineBezier())
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return root
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if __name__ == '__main__':
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LineExtendedApp().run()
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