60 lines
1.2 KiB
Python
60 lines
1.2 KiB
Python
#!/usr/bin/python3
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import cairo
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import gi
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gi.require_version("Gtk", "3.0")
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from gi.repository import Gtk
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def draw(da, ctx):
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global surface
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ctx.scale(scale, scale)
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ctx.set_source_surface(surface)
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ctx.get_source().set_filter(cairo.FILTER_NEAREST)
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ctx.paint()
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da.set_size_request(surface.get_width() * scale, surface.get_height() * scale)
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def clicked(btn):
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global scale
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scale *= 1.5
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da = btn.get_parent().get_children()[1].get_child().get_child()
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da.queue_draw()
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def main():
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global scale
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scale = 1
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global surface
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surface = cairo.ImageSurface.create_from_png("../Xe-Project/Gift.png")
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win = Gtk.Window()
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win.connect('destroy', lambda w: Gtk.main_quit())
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win.set_default_size(500, 500)
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box = Gtk.Box()
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win.add(box)
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btn = Gtk.Button()
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btn.set_label("Scale")
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box.add(btn)
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btn.connect('clicked', clicked)
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scrolled_win = Gtk.ScrolledWindow()
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box.add(scrolled_win)
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drawingarea = Gtk.DrawingArea()
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drawingarea.set_vexpand(True)
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drawingarea.set_hexpand(True)
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scrolled_win.add(drawingarea)
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drawingarea.connect('draw', draw)
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win.show_all()
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Gtk.main()
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if __name__ == '__main__':
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main() |