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snippet_normalize (cr, width, height)
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cr.select_font_face ("Sans", cairo.FONT_SLANT_NORMAL,
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cairo.FONT_WEIGHT_BOLD)
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cr.set_font_size (0.35)
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cr.move_to (0.04, 0.53)
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cr.move_to (0.27, 0.65)
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cr.set_source_rgb (0.5,0.5,1)
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cr.set_source_rgb (0,0,0)
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cr.set_line_width (0.01)
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#/* draw helping lines */
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cr.set_source_rgba (1,0.2,0.2, 0.6)
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cr.arc (0.04, 0.53, 0.02, 0, 2*M_PI)
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cr.arc (0.27, 0.65, 0.02, 0, 2*M_PI)