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+/* dropshadow.h, Copyright (c) 2009 Jens Kilian <jjk@acm.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation. No representations are made about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ */
+
+#ifndef __DROPSHADOW_H__
+#define __DROPSHADOW_H__
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "xlockmoreI.h"
+
+/* Initialize drop shadow texture, return a texture ID.
+ */
+GLuint
+init_drop_shadow(void);
+
+/* Draw a drop shadow around a rectangle.
+
+ t Texture ID (as returned by init_drop_shadow()).
+ x, y, z; w, h Position (left bottom), depth and size of rectangle.
+ r Radius of drop shadow.
+
+ The shadow will be drawn using the current color.
+ */
+
+void
+draw_drop_shadow (GLuint t,
+ GLfloat x, GLfloat y, GLfloat z, GLfloat w, GLfloat h,
+ GLfloat r);
+
+#endif /* __DROPSHADOW_H__ */