izoom.h
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- /* $Id: izoom.h,v 1.1.1.1 2005/11/11 21:32:03 faxguy Exp $ */
- /*
- * Copyright (c) 1990-1996 Sam Leffler
- * Copyright (c) 1991-1996 Silicon Graphics, Inc.
- * HylaFAX is a trademark of Silicon Graphics
- * HylaFAX is a trademark of Silicon Graphics
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
- #ifndef IZOOMDEF
- #define IZOOMDEF
- #define IMPULSE 1
- #define BOX 2
- #define TRIANGLE 3
- #define QUADRATIC 4
- #define MITCHELL 5
- typedef struct FILTER {
- int n, totw;
- short *dat;
- short *w;
- } FILTER;
- typedef struct zoom {
- int (*getfunc)();
- short *abuf;
- short *bbuf;
- int anx, any;
- int bnx, bny;
- short **xmap;
- int type;
- int curay;
- int y;
- FILTER *xfilt, *yfilt; /* stuff for fitered zoom */
- short *tbuf;
- int nrows, clamp, ay;
- short **filtrows;
- int *accrow;
- } zoom;
- zoom *newzoom();
- #endif /* IZOOMDEF */