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- /*
- * raytrace.h
- *
- * Copyright (C) 1989, 1991, Craig E. Kolb
- * All rights reserved.
- *
- * This software may be freely copied, modified, and redistributed
- * provided that this copyright notice is preserved on all copies.
- *
- * You may not distribute this software, in whole or in part, as part of
- * any commercial product without the express consent of the authors.
- *
- * There is no warranty or other guarantee of fitness of this software
- * for any purpose. It is provided solely "as is".
- *
- * $Id: raytrace.h,v 4.0 91/07/17 14:51:25 kolb Exp Locker: kolb $
- *
- * $Log: raytrace.h,v $
- * Revision 4.0 91/07/17 14:51:25 kolb
- * Initial version.
- *
- */
- #ifndef RAYTRACE_H
- #define RAYTRACE_H
-
- #include "picture.h"
-
- typedef struct {
- Float x, y, size; /* location and size */
- Pixel ul, ur, ll, lr; /* Color values of four corners */
- } pixel_square;
-
- extern void raytrace();
-
- #endif /* RAYTRACE_H */
-