summaryrefslogtreecommitdiff
path: root/libs/cairo-1.16.0/test/pdiff/lpyramid.h
diff options
context:
space:
mode:
authorsanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
committersanine <sanine.not@pm.me>2022-10-12 12:03:23 -0500
commit530ffd0b7d3c39757b20f00716e486b5caf89aff (patch)
tree76b35fdf57317038acf6b828871f6ae25fce2ebe /libs/cairo-1.16.0/test/pdiff/lpyramid.h
parent3dbe9332e47c143a237db12440f134caebd1cfbe (diff)
add cairo
Diffstat (limited to 'libs/cairo-1.16.0/test/pdiff/lpyramid.h')
-rw-r--r--libs/cairo-1.16.0/test/pdiff/lpyramid.h32
1 files changed, 32 insertions, 0 deletions
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 */