1 files changed, 53 insertions, 0 deletions
diff --git a/src/3rdparty/autotrace/color.h b/src/3rdparty/autotrace/color.h
new file mode 100644
index 0000000..88651db
--- /dev/null
+++ b/src/3rdparty/autotrace/color.h
@@ -0,0 +1,53 @@
+/* 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>
+
+#ifdef __cplusplus
+extern "C" {
+#endif                          /* __cplusplus */
+
+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 ())
+
+#ifdef __cplusplus
+}
+#endif                          /* __cplusplus */
+#endif /* not AT_COLOR_H */