# File lib/pdf/writer/graphics.rb, line 762 762: def rotate_axis(angle) 763: rad = PDF::Math.deg2rad(angle) 764: tt = "\n%.3f %.3f %.3f %.3f 0 0 cm" 765: tx = [ Math.cos(rad), Math.sin(rad), -Math.sin(rad), Math.cos(rad) ] 766: add_content(tt % tx) 767: self 768: end