2 Copyright (C) 2006 Yangli Hector Yee
3 Copyright (C) 2006 Red Hat, Inc.
5 This program is free software; you can redistribute it and/or modify it under the terms of the
6 GNU General Public License as published by the Free Software Foundation; either version 2 of the License,
7 or (at your option) any later version.
9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
11 See the GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License along with this program;
14 if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
30 /* Image comparison metric using Yee's method (and a cairo interface)
31 * References: A Perceptual Metric for Production Testing, Hector Yee, Journal of Graphics Tools 2004
34 pdiff_compare (cairo_surface_t *surface_a,
35 cairo_surface_t *surface_b,
38 double field_of_view);