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Diffstat (limited to 'src/3rdparty/autotrace/color.h')
-rw-r--r-- | src/3rdparty/autotrace/color.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/3rdparty/autotrace/color.h b/src/3rdparty/autotrace/color.h new file mode 100644 index 0000000..e50ab30 --- /dev/null +++ b/src/3rdparty/autotrace/color.h @@ -0,0 +1,46 @@ +/* color.h: declarations for color handling. + + Copyright (C) 2000, 2001, 2002 Martin Weber + + The author can be contacted at <martweb@gmx.net> + + 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#ifndef AT_COLOR_H +#define AT_COLOR_H + +#include <glib.h> +#include <glib-object.h> + +typedef struct _at_color at_color; +struct _at_color { + guint8 r; + guint8 g; + guint8 b; +}; + +at_color *at_color_new(guint8 r, guint8 g, guint8 b); +at_color *at_color_parse(const gchar * string, GError ** err); +at_color *at_color_copy(const at_color * original); +gboolean at_color_equal(const at_color * c1, const at_color * c2); +void at_color_set(at_color * c1, guint8 r, guint8 g, guint8 b); +/* RGB to grayscale */ +unsigned char at_color_luminance(const at_color * color); +void at_color_free(at_color * color); + +GType at_color_get_type(void); +#define AT_TYPE_COLOR (at_color_get_type ()) + +#endif /* not AT_COLOR_H */ |