42 lines
925 B
Ruby
42 lines
925 B
Ruby
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# Copyright (c) 2005 Ruby-GNOME2 Project Team
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# This program is licenced under the same licence as Ruby-GNOME2.
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#
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# $Id: cairo-long-lines.rb,v 1.1 2005/10/12 05:38:30 ktou Exp $
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=begin
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= cairo/Long Lines
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This demo shows how to use GDK and cairo to show long lines.
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From http://cairographics.org/samples/xxx_long_liens.html.
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=end
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require 'common'
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module Demo
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class CairoLongLines < CairoWindow
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def initialize
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super('cairo long lines')
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end
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def draw(cr)
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cr.move_to(0.1, -50)
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cr.line_to(0.1, 50)
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cr.set_source_rgba(1, 0, 0)
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cr.stroke
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cr.move_to(0.2, -60)
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cr.line_to(0.2, 60)
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cr.set_source_rgba(1, 1, 0)
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cr.stroke
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cr.move_to(0.3, -70)
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cr.line_to(0.3, 70)
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cr.set_source_rgba(0, 1, 0)
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cr.stroke
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cr.move_to(0.4, -80)
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cr.line_to(0.4, 80)
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cr.set_source_rgba(0, 0, 1)
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cr.stroke
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end
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end
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end
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