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utf8 = "cairo" snippet_normalize (cr, width, height) cr.select_font_face ("Sans", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_NORMAL) cr.set_font_size (0.2) x_bearing, y_bearing, width, height, x_advance, y_advance = cr.text_extents (utf8) x = 0.5-(width/2 + x_bearing) y = 0.5-(height/2 + y_bearing) cr.move_to (x, y) cr.show_text (utf8) #/* draw helping lines */ cr.set_source_rgba (1,0.2,0.2,0.6) cr.arc (x, y, 0.05, 0, 2*M_PI) cr.fill () cr.move_to (0.5, 0) cr.rel_line_to (0, 1) cr.move_to (0, 0.5) cr.rel_line_to (1, 0) cr.stroke ()
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