52 lines
1.4 KiB
Python
Executable File
52 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python
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# [SNIPPET_NAME: gtk3 opengl example]
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# [SNIPPET_CATEGORIES: opengl]
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# [SNIPPET_TAGS: opengl, gtk3]
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# [SNIPPET_DESCRIPTION: using gtk3 library lets draw using opengl]
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# [SNIPPET_AUTHOR: Oliver Marks ]
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# [SNIPPET_LICENSE: GPL]
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import sys
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from gi.repository import Gtk, GdkX11, Gdk
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import cairo
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class gui():
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def __init__(self):
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self.window = Gtk.Window()
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self.window.realize()
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self.window.resize(300, 300)
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self.window.set_resizable(True)
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self.window.set_reallocate_redraws(True)
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self.window.set_title("GTK3 with cairo")
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self.window.connect('delete_event', Gtk.main_quit)
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self.window.connect('destroy', lambda quit: Gtk.main_quit())
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self.drawing_area = Gtk.DrawingArea()
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self.drawing_area.set_size_request(50,50)
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self.drawing_area.add_events(Gdk.EventMask.TOUCH_MASK)
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self.drawing_area.connect('draw', self.expose)
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self.drawing_area.set_double_buffered(False)
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self.window.add(self.drawing_area)
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self.window.show_all()
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def expose(self, widget, context):
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context.set_source_rgb(1, 0.5, 1)
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context.rectangle(10, 10, 40, 40)
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context.move_to(0, 0)
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context.rel_line_to(100, 100)
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context.fill()
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context.save()
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def main():
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g = gui()
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Gtk.main()
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if __name__ == '__main__':
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main()
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