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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* This library 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.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_BILINEAR_H__
#define __GIMP_BILINEAR_H__
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
/* bilinear interpolation functions taken from LibGCK */
gdouble gimp_bilinear (gdouble x,
gdouble y,
gdouble *values);
guchar gimp_bilinear_8 (gdouble x,
gdouble y,
guchar *values);
guint16 gimp_bilinear_16 (gdouble x,
gdouble y,
guint16 *values);
guint32 gimp_bilinear_32 (gdouble x,
gdouble y,
guint32 *values);
GimpRGB gimp_bilinear_rgb (gdouble x,
gdouble y,
GimpRGB *values);
GimpRGB gimp_bilinear_rgba (gdouble x,
gdouble y,
GimpRGB *values);
void gimp_bilinear_pixels_8 (guchar *dest,
gdouble x,
gdouble y,
guint bpp,
gboolean has_alpha,
guchar **values);
G_END_DECLS
#endif /* __GIMP_BILINEAR_H__ */
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