diff options
author | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-12 12:03:23 -0500 |
commit | 530ffd0b7d3c39757b20f00716e486b5caf89aff (patch) | |
tree | 76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/pdiff/pdiff.h | |
parent | 3dbe9332e47c143a237db12440f134caebd1cfbe (diff) |
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/pdiff/pdiff.h')
-rw-r--r-- | libs/cairo-1.16.0/test/pdiff/pdiff.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/test/pdiff/pdiff.h b/libs/cairo-1.16.0/test/pdiff/pdiff.h new file mode 100644 index 0000000..30fec06 --- /dev/null +++ b/libs/cairo-1.16.0/test/pdiff/pdiff.h @@ -0,0 +1,40 @@ +/* + Copyright (C) 2006 Yangli Hector Yee + Copyright (C) 2006 Red Hat, Inc. + + This program is free software; you can redistribute it and/or modify it under the terms of the + GNU General Public License as published by the Free Software Foundation; either version 2 of the License, + or (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License along with this program; + if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA +*/ + +#ifndef _PDIFF_H +#define _PDIFF_H + +#include <cairo.h> + +typedef int bool; +#ifndef true +#define true 1 +#endif +#ifndef false +#define false 0 +#endif + +/* Image comparison metric using Yee's method (and a cairo interface) + * References: A Perceptual Metric for Production Testing, Hector Yee, Journal of Graphics Tools 2004 + */ +int +pdiff_compare (cairo_surface_t *surface_a, + cairo_surface_t *surface_b, + double gamma, + double luminance, + double field_of_view); + +#endif |