tif_predict.h
上传用户:looem2003
上传日期:2014-07-20
资源大小:13733k
文件大小:2k
- /* $Id: tif_predict.h,v 1.3 2006/03/03 14:10:09 dron Exp $ */
- /*
- * Copyright (c) 1995-1997 Sam Leffler
- * Copyright (c) 1995-1997 Silicon Graphics, Inc.
- *
- * 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 _TIFFPREDICT_
- #define _TIFFPREDICT_
- /*
- * ``Library-private'' Support for the Predictor Tag
- */
- /*
- * Codecs that want to support the Predictor tag must place
- * this structure first in their private state block so that
- * the predictor code can cast tif_data to find its state.
- */
- typedef struct {
- int predictor; /* predictor tag value */
- int stride; /* sample stride over data */
- tsize_t rowsize; /* tile/strip row size */
- TIFFPostMethod pfunc; /* horizontal differencer/accumulator */
- TIFFCodeMethod coderow; /* parent codec encode/decode row */
- TIFFCodeMethod codestrip; /* parent codec encode/decode strip */
- TIFFCodeMethod codetile; /* parent codec encode/decode tile */
- TIFFVGetMethod vgetparent; /* super-class method */
- TIFFVSetMethod vsetparent; /* super-class method */
- TIFFPrintMethod printdir; /* super-class method */
- TIFFBoolMethod setupdecode; /* super-class method */
- TIFFBoolMethod setupencode; /* super-class method */
- } TIFFPredictorState;
- #if defined(__cplusplus)
- extern "C" {
- #endif
- extern int TIFFPredictorInit(TIFF*);
- extern int TIFFPredictorCleanup(TIFF*);
- #if defined(__cplusplus)
- }
- #endif
- #endif /* _TIFFPREDICT_ */
- /* vim: set ts=8 sts=8 sw=8 noet: */