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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__
/* 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__ */
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