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- /*
- * sampling.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: sampling.h,v 4.0 91/07/17 14:32:01 kolb Exp Locker: kolb $
- *
- * $Log: sampling.h,v $
- * Revision 4.0 91/07/17 14:32:01 kolb
- * Initial version.
- *
- */
- #ifndef SAMPLING_H
- #define SAMPLING_H
-
- #if defined(__WATCOMC__) || defined(__BORLANDC__)
- #include <stdlib.h>
- #endif
-
- /*
- * # of subsamples to take within each of the totsamples slots when
- * computing 'animated' bounding boxes.
- */
- #define TIME_SUB_SAMPLES 10
-
- typedef struct SampleInfo {
- int totsamples, /* # of samples/pixel */
- sidesamples, /* sqrt(samples) */
- gaussian, /* gaussian filter? */
- framenum, /* current frame numer */
- timemagic; /* # of time samples per screen... */
- Float weight, /* 1. / totsamples */
- spacing, /* 1. / sidesamples */
- filterwidth, /* total width of filter */
- filterdelta, /* filterwidth * spacing */
- **filter, /* pixel filter, sidesamp by sidesamp */
- starttime, /* start time */
- shutter; /* length of time shutter is open */
- } SampleInfo;
-
- extern SampleInfo Sampling;
-
- extern void SamplingSetOptions(), UnitCirclePoint();
-
- #endif /* SAMPLING */
-