From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001 From: sanine Date: Wed, 12 Oct 2022 12:03:23 -0500 Subject: add cairo --- libs/cairo-1.16.0/test/pdiff/lpyramid.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 libs/cairo-1.16.0/test/pdiff/lpyramid.h (limited to 'libs/cairo-1.16.0/test/pdiff/lpyramid.h') diff --git a/libs/cairo-1.16.0/test/pdiff/lpyramid.h b/libs/cairo-1.16.0/test/pdiff/lpyramid.h new file mode 100644 index 0000000..e47a66e --- /dev/null +++ b/libs/cairo-1.16.0/test/pdiff/lpyramid.h @@ -0,0 +1,32 @@ +/* + Laplacian Pyramid + Copyright (C) 2006 Yangli Hector Yee + + 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 _LPYRAMID_H +#define _LPYRAMID_H + +#define MAX_PYR_LEVELS 8 + +typedef struct _lpyramid lpyramid_t; + +lpyramid_t * +lpyramid_create (float *image, int width, int height); + +void +lpyramid_destroy (lpyramid_t *pyramid); + +float +lpyramid_get_value (lpyramid_t *pyramid, int x, int y, int level); + +#endif /* _LPYRAMID_H */ -- cgit v1.2.1