(* Copyright 2008, 2009 Hezekiah M. Carty This file is part of PLplot. PLplot is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version. PLplot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PLplot. If not, see . *) (* This is a Cairo-only example, meant as an illustration and test of the technique used in the Plcairo.rasterize function. *) open Cairo let () = let img = Cairo.image_surface_create Cairo.FORMAT_ARGB32 ~width:100 ~height:100 in let outfile = open_out "test.ps" in let ps = Cairo_ps.surface_create_for_channel outfile ~width_in_points:1000.0 ~height_in_points:1000.0 in let ct_img = Cairo.create img in let ct_ps = Cairo.create ps in (* Draw something on the image *) Cairo.rectangle ~x:10.0 ~y:10.0 ~width:80.0 ~height:80.0 ct_img; Cairo.fill ct_img; Cairo.stroke ct_img; (* Blit the image out to the Postscript. *) Cairo.set_source_surface ct_ps img 0.0 0.0; Cairo.paint ct_ps; Cairo.surface_finish ps; (* Save the files *) Cairo_png.surface_write_to_file img "test.png"; close_out outfile;