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Open Source Computer Vision Library
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74 lines
2.8 KiB
74 lines
2.8 KiB
/* |
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* Copyright (c) 1995-1997 Sam Leffler |
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* Copyright (c) 1995-1997 Silicon Graphics, Inc. |
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* |
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* Permission to use, copy, modify, distribute, and sell this software and |
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* its documentation for any purpose is hereby granted without fee, provided |
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* that (i) the above copyright notices and this permission notice appear in |
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* all copies of the software and related documentation, and (ii) the names of |
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* Sam Leffler and Silicon Graphics may not be used in any advertising or |
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* publicity relating to the software without the specific, prior written |
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* permission of Sam Leffler and Silicon Graphics. |
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* |
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
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* |
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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* OF THIS SOFTWARE. |
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*/ |
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#ifndef _TIFFPREDICT_ |
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#define _TIFFPREDICT_ |
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#include "tiffio.h" |
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#include "tiffiop.h" |
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/* |
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* ``Library-private'' Support for the Predictor Tag |
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*/ |
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typedef int (*TIFFEncodeDecodeMethod)(TIFF *tif, uint8_t *buf, tmsize_t size); |
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/* |
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* Codecs that want to support the Predictor tag must place |
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* this structure first in their private state block so that |
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* the predictor code can cast tif_data to find its state. |
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*/ |
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typedef struct |
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{ |
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int predictor; /* predictor tag value */ |
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tmsize_t stride; /* sample stride over data */ |
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tmsize_t rowsize; /* tile/strip row size */ |
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TIFFCodeMethod encoderow; /* parent codec encode/decode row */ |
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TIFFCodeMethod encodestrip; /* parent codec encode/decode strip */ |
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TIFFCodeMethod encodetile; /* parent codec encode/decode tile */ |
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TIFFEncodeDecodeMethod encodepfunc; /* horizontal differencer */ |
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TIFFCodeMethod decoderow; /* parent codec encode/decode row */ |
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TIFFCodeMethod decodestrip; /* parent codec encode/decode strip */ |
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TIFFCodeMethod decodetile; /* parent codec encode/decode tile */ |
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TIFFEncodeDecodeMethod decodepfunc; /* horizontal accumulator */ |
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TIFFVGetMethod vgetparent; /* super-class method */ |
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TIFFVSetMethod vsetparent; /* super-class method */ |
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TIFFPrintMethod printdir; /* super-class method */ |
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TIFFBoolMethod setupdecode; /* super-class method */ |
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TIFFBoolMethod setupencode; /* super-class method */ |
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} TIFFPredictorState; |
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#if defined(__cplusplus) |
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extern "C" |
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{ |
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#endif |
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extern int TIFFPredictorInit(TIFF *); |
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extern int TIFFPredictorCleanup(TIFF *); |
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#if defined(__cplusplus) |
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} |
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#endif |
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#endif /* _TIFFPREDICT_ */
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