63 lines
1.1 KiB
Python
63 lines
1.1 KiB
Python
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#!/usr/bin/python
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'''
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ZetCode PyCairo tutorial
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This code example draws a circle
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using the PyCairo library.
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Author: Jan Bodnar
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Website: zetcode.com
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Last edited: April 2016
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'''
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from gi.repository import Gtk
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import cairo
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import math
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class Example(Gtk.Window):
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def __init__(self):
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super(Example, self).__init__()
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self.init_ui()
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def init_ui(self):
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darea = Gtk.DrawingArea()
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darea.connect("draw", self.on_draw)
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self.add(darea)
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self.set_title("Fill & stroke")
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self.resize(230, 150)
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self.set_position(Gtk.WindowPosition.CENTER)
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self.connect("delete-event", Gtk.main_quit)
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self.show_all()
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def on_draw(self, wid, cr):
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cr.set_line_width(9)
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cr.set_source_rgb(0.7, 0.2, 0.0)
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w, h = self.get_size()
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cr.translate(w/2, h/2)
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cr.arc(0, 0, 50, 0, 2*math.pi)
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cr.stroke_preserve()
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cr.set_source_rgb(0.3, 0.4, 0.6)
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cr.fill()
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def main():
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app = Example()
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Gtk.main()
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if __name__ == "__main__":
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main()
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