# File gtk2/sample/gtk-demo/cairo-line-cap.rb, line 19 def draw(cr) cr.set_line_width(0.12) cr.set_line_cap(Cairo::LINE_CAP_BUTT) # default cr.move_to(0.25, 0.2) cr.line_to(0.25, 0.8) cr.stroke cr.set_line_cap(Cairo::LINE_CAP_ROUND) cr.move_to(0.5, 0.2) cr.line_to(0.5, 0.8) cr.stroke cr.set_line_cap(Cairo::LINE_CAP_SQUARE) cr.move_to(0.75, 0.2) cr.line_to(0.75, 0.8) cr.stroke # draw helping lines cr.set_source_rgba(1, 0.2, 0.2) cr.set_line_width(0.01) cr.move_to(0.25, 0.2) cr.line_to(0.25, 0.8) cr.move_to(0.5, 0.2) cr.line_to(0.5, 0.8) cr.move_to(0.75, 0.2) cr.line_to(0.75, 0.8) cr.stroke end
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