mirror of https://github.com/GNOME/gimp.git
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_BILINEAR_H__
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#define __GIMP_BILINEAR_H__
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G_BEGIN_DECLS
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/* For information look into the C source or the html documentation */
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/* bilinear interpolation functions taken from LibGCK */
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gdouble gimp_bilinear (gdouble x,
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gdouble y,
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gdouble *values);
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guchar gimp_bilinear_8 (gdouble x,
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gdouble y,
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guchar *values);
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guint16 gimp_bilinear_16 (gdouble x,
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gdouble y,
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guint16 *values);
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guint32 gimp_bilinear_32 (gdouble x,
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gdouble y,
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guint32 *values);
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GimpRGB gimp_bilinear_rgb (gdouble x,
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gdouble y,
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GimpRGB *values);
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GimpRGB gimp_bilinear_rgba (gdouble x,
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gdouble y,
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GimpRGB *values);
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void gimp_bilinear_pixels_8 (guchar *dest,
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gdouble x,
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gdouble y,
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guint bpp,
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gboolean has_alpha,
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guchar **values);
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G_END_DECLS
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#endif /* __GIMP_BILINEAR_H__ */
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