# File lib/pdf/reader/page_state.rb, line 199 def ctm_transform(x, y, z = 1) [ (ctm[0,0] * x) + (ctm[1,0] * y) + (ctm[2,0] * z), (ctm[0,1] * x) + (ctm[1,1] * y) + (ctm[2,1] * z) ] end