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Diffstat (limited to 'libart_lgpl/art_alphagamma.h')
-rw-r--r-- | libart_lgpl/art_alphagamma.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/libart_lgpl/art_alphagamma.h b/libart_lgpl/art_alphagamma.h new file mode 100644 index 0000000000..5f766c95ba --- /dev/null +++ b/libart_lgpl/art_alphagamma.h @@ -0,0 +1,51 @@ +/* Libart_LGPL - library of basic graphic primitives + * Copyright (C) 1998 Raph Levien + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library 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 Library 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 __ART_ALPHAGAMMA_H__ +#define __ART_ALPHAGAMMA_H__ + +/* Alphagamma tables */ + +#include <libart_lgpl/art_misc.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +typedef struct _ArtAlphaGamma ArtAlphaGamma; + +struct _ArtAlphaGamma { + /*< private >*/ + double gamma; + int invtable_size; + int table[256]; + art_u8 invtable[1]; +}; + +ArtAlphaGamma * +art_alphagamma_new (double gamma); + +void +art_alphagamma_free (ArtAlphaGamma *alphagamma); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* __ART_SVP_H__ */ |