diff options
Diffstat (limited to 'plugins/FreeImage/Source/LibTIFF/tif_predict.c')
| -rw-r--r-- | plugins/FreeImage/Source/LibTIFF/tif_predict.c | 736 |
1 files changed, 0 insertions, 736 deletions
diff --git a/plugins/FreeImage/Source/LibTIFF/tif_predict.c b/plugins/FreeImage/Source/LibTIFF/tif_predict.c deleted file mode 100644 index 7f7dc636be..0000000000 --- a/plugins/FreeImage/Source/LibTIFF/tif_predict.c +++ /dev/null @@ -1,736 +0,0 @@ -/* $Id: tif_predict.c,v 1.37 2011/04/10 17:14:09 drolon Exp $ */
-
-/*
- * Copyright (c) 1988-1997 Sam Leffler
- * Copyright (c) 1991-1997 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.
- */
-
-/*
- * TIFF Library.
- *
- * Predictor Tag Support (used by multiple codecs).
- */
-#include "tiffiop.h"
-#include "tif_predict.h"
-
-#define PredictorState(tif) ((TIFFPredictorState*) (tif)->tif_data)
-
-static void horAcc8(TIFF*, tidata_t, tsize_t);
-static void horAcc16(TIFF*, tidata_t, tsize_t);
-static void horAcc32(TIFF*, tidata_t, tsize_t);
-static void swabHorAcc16(TIFF*, tidata_t, tsize_t);
-static void swabHorAcc32(TIFF*, tidata_t, tsize_t);
-static void horDiff8(TIFF*, tidata_t, tsize_t);
-static void horDiff16(TIFF*, tidata_t, tsize_t);
-static void horDiff32(TIFF*, tidata_t, tsize_t);
-static void fpAcc(TIFF*, tidata_t, tsize_t);
-static void fpDiff(TIFF*, tidata_t, tsize_t);
-static int PredictorDecodeRow(TIFF*, tidata_t, tsize_t, tsample_t);
-static int PredictorDecodeTile(TIFF*, tidata_t, tsize_t, tsample_t);
-static int PredictorEncodeRow(TIFF*, tidata_t, tsize_t, tsample_t);
-static int PredictorEncodeTile(TIFF*, tidata_t, tsize_t, tsample_t);
-
-static int
-PredictorSetup(TIFF* tif)
-{
- static const char module[] = "PredictorSetup";
-
- TIFFPredictorState* sp = PredictorState(tif);
- TIFFDirectory* td = &tif->tif_dir;
-
- switch (sp->predictor) /* no differencing */
- {
- case PREDICTOR_NONE:
- return 1;
- case PREDICTOR_HORIZONTAL:
- if (td->td_bitspersample != 8
- && td->td_bitspersample != 16
- && td->td_bitspersample != 32) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Horizontal differencing \"Predictor\" not supported with %d-bit samples",
- td->td_bitspersample);
- return 0;
- }
- break;
- case PREDICTOR_FLOATINGPOINT:
- if (td->td_sampleformat != SAMPLEFORMAT_IEEEFP) {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Floating point \"Predictor\" not supported with %d data format",
- td->td_sampleformat);
- return 0;
- }
- break;
- default:
- TIFFErrorExt(tif->tif_clientdata, module,
- "\"Predictor\" value %d not supported",
- sp->predictor);
- return 0;
- }
- sp->stride = (td->td_planarconfig == PLANARCONFIG_CONTIG ?
- td->td_samplesperpixel : 1);
- /*
- * Calculate the scanline/tile-width size in bytes.
- */
- if (isTiled(tif))
- sp->rowsize = TIFFTileRowSize(tif);
- else
- sp->rowsize = TIFFScanlineSize(tif);
-
- return 1;
-}
-
-static int
-PredictorSetupDecode(TIFF* tif)
-{
- TIFFPredictorState* sp = PredictorState(tif);
- TIFFDirectory* td = &tif->tif_dir;
-
- if (!(*sp->setupdecode)(tif) || !PredictorSetup(tif))
- return 0;
-
- if (sp->predictor == 2) {
- switch (td->td_bitspersample) {
- case 8: sp->decodepfunc = horAcc8; break;
- case 16: sp->decodepfunc = horAcc16; break;
- case 32: sp->decodepfunc = horAcc32; break;
- }
- /*
- * Override default decoding method with one that does the
- * predictor stuff.
- */
- if ( tif->tif_decoderow != PredictorDecodeRow )
- {
- sp->decoderow = tif->tif_decoderow;
- tif->tif_decoderow = PredictorDecodeRow;
- sp->decodestrip = tif->tif_decodestrip;
- tif->tif_decodestrip = PredictorDecodeTile;
- sp->decodetile = tif->tif_decodetile;
- tif->tif_decodetile = PredictorDecodeTile;
- }
- /*
- * If the data is horizontally differenced 16-bit data that
- * requires byte-swapping, then it must be byte swapped before
- * the accumulation step. We do this with a special-purpose
- * routine and override the normal post decoding logic that
- * the library setup when the directory was read.
- */
- if (tif->tif_flags & TIFF_SWAB) {
- if (sp->decodepfunc == horAcc16) {
- sp->decodepfunc = swabHorAcc16;
- tif->tif_postdecode = _TIFFNoPostDecode;
- } else if (sp->decodepfunc == horAcc32) {
- sp->decodepfunc = swabHorAcc32;
- tif->tif_postdecode = _TIFFNoPostDecode;
- }
- }
- }
-
- else if (sp->predictor == 3) {
- sp->decodepfunc = fpAcc;
- /*
- * Override default decoding method with one that does the
- * predictor stuff.
- */
- if ( tif->tif_decoderow != PredictorDecodeRow )
- {
- sp->decoderow = tif->tif_decoderow;
- tif->tif_decoderow = PredictorDecodeRow;
- sp->decodestrip = tif->tif_decodestrip;
- tif->tif_decodestrip = PredictorDecodeTile;
- sp->decodetile = tif->tif_decodetile;
- tif->tif_decodetile = PredictorDecodeTile;
- }
- /*
- * The data should not be swapped outside of the floating
- * point predictor, the accumulation routine should return
- * byres in the native order.
- */
- if (tif->tif_flags & TIFF_SWAB) {
- tif->tif_postdecode = _TIFFNoPostDecode;
- }
- /*
- * Allocate buffer to keep the decoded bytes before
- * rearranging in the ight order
- */
- }
-
- return 1;
-}
-
-static int
-PredictorSetupEncode(TIFF* tif)
-{
- TIFFPredictorState* sp = PredictorState(tif);
- TIFFDirectory* td = &tif->tif_dir;
-
- if (!(*sp->setupencode)(tif) || !PredictorSetup(tif))
- return 0;
-
- if (sp->predictor == 2) {
- switch (td->td_bitspersample) {
- case 8: sp->encodepfunc = horDiff8; break;
- case 16: sp->encodepfunc = horDiff16; break;
- case 32: sp->encodepfunc = horDiff32; break;
- }
- /*
- * Override default encoding method with one that does the
- * predictor stuff.
- */
- if ( tif->tif_encoderow != PredictorEncodeRow )
- {
- sp->encoderow = tif->tif_encoderow;
- tif->tif_encoderow = PredictorEncodeRow;
- sp->encodestrip = tif->tif_encodestrip;
- tif->tif_encodestrip = PredictorEncodeTile;
- sp->encodetile = tif->tif_encodetile;
- tif->tif_encodetile = PredictorEncodeTile;
- }
- }
-
- else if (sp->predictor == 3) {
- sp->encodepfunc = fpDiff;
- /*
- * Override default encoding method with one that does the
- * predictor stuff.
- */
- if ( tif->tif_encoderow != PredictorEncodeRow )
- {
- sp->encoderow = tif->tif_encoderow;
- tif->tif_encoderow = PredictorEncodeRow;
- sp->encodestrip = tif->tif_encodestrip;
- tif->tif_encodestrip = PredictorEncodeTile;
- sp->encodetile = tif->tif_encodetile;
- tif->tif_encodetile = PredictorEncodeTile;
- }
- }
-
- return 1;
-}
-
-#define REPEAT4(n, op) \
- switch (n) { \
- default: { int i; for (i = n-4; i > 0; i--) { op; } } \
- case 4: op; \
- case 3: op; \
- case 2: op; \
- case 1: op; \
- case 0: ; \
- }
-
-static void
-horAcc8(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
-
- char* cp = (char*) cp0;
- if (cc > stride) {
- cc -= stride;
- /*
- * Pipeline the most common cases.
- */
- if (stride == 3) {
- unsigned int cr = cp[0];
- unsigned int cg = cp[1];
- unsigned int cb = cp[2];
- do {
- cc -= 3, cp += 3;
- cp[0] = (char) (cr += cp[0]);
- cp[1] = (char) (cg += cp[1]);
- cp[2] = (char) (cb += cp[2]);
- } while ((int32) cc > 0);
- } else if (stride == 4) {
- unsigned int cr = cp[0];
- unsigned int cg = cp[1];
- unsigned int cb = cp[2];
- unsigned int ca = cp[3];
- do {
- cc -= 4, cp += 4;
- cp[0] = (char) (cr += cp[0]);
- cp[1] = (char) (cg += cp[1]);
- cp[2] = (char) (cb += cp[2]);
- cp[3] = (char) (ca += cp[3]);
- } while ((int32) cc > 0);
- } else {
- do {
- REPEAT4(stride, cp[stride] =
- (char) (cp[stride] + *cp); cp++)
- cc -= stride;
- } while ((int32) cc > 0);
- }
- }
-}
-
-static void
-swabHorAcc16(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
- uint16* wp = (uint16*) cp0;
- tsize_t wc = cc / 2;
-
- if (wc > stride) {
- TIFFSwabArrayOfShort(wp, wc);
- wc -= stride;
- do {
- REPEAT4(stride, wp[stride] += wp[0]; wp++)
- wc -= stride;
- } while ((int32) wc > 0);
- }
-}
-
-static void
-horAcc16(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
- uint16* wp = (uint16*) cp0;
- tsize_t wc = cc / 2;
-
- if (wc > stride) {
- wc -= stride;
- do {
- REPEAT4(stride, wp[stride] += wp[0]; wp++)
- wc -= stride;
- } while ((int32) wc > 0);
- }
-}
-
-static void
-swabHorAcc32(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
- uint32* wp = (uint32*) cp0;
- tsize_t wc = cc / 4;
-
- if (wc > stride) {
- TIFFSwabArrayOfLong(wp, wc);
- wc -= stride;
- do {
- REPEAT4(stride, wp[stride] += wp[0]; wp++)
- wc -= stride;
- } while ((int32) wc > 0);
- }
-}
-
-static void
-horAcc32(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
- uint32* wp = (uint32*) cp0;
- tsize_t wc = cc / 4;
-
- if (wc > stride) {
- wc -= stride;
- do {
- REPEAT4(stride, wp[stride] += wp[0]; wp++)
- wc -= stride;
- } while ((int32) wc > 0);
- }
-}
-
-/*
- * Floating point predictor accumulation routine.
- */
-static void
-fpAcc(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
- uint32 bps = tif->tif_dir.td_bitspersample / 8;
- tsize_t wc = cc / bps;
- tsize_t count = cc;
- uint8 *cp = (uint8 *) cp0;
- uint8 *tmp = (uint8 *)_TIFFmalloc(cc);
-
- if (!tmp)
- return;
-
- while (count > stride) {
- REPEAT4(stride, cp[stride] += cp[0]; cp++)
- count -= stride;
- }
-
- _TIFFmemcpy(tmp, cp0, cc);
- cp = (uint8 *) cp0;
- for (count = 0; count < wc; count++) {
- uint32 byte;
- for (byte = 0; byte < bps; byte++) {
-#if WORDS_BIGENDIAN
- cp[bps * count + byte] = tmp[byte * wc + count];
-#else
- cp[bps * count + byte] =
- tmp[(bps - byte - 1) * wc + count];
-#endif
- }
- }
- _TIFFfree(tmp);
-}
-
-/*
- * Decode a scanline and apply the predictor routine.
- */
-static int
-PredictorDecodeRow(TIFF* tif, tidata_t op0, tsize_t occ0, tsample_t s)
-{
- TIFFPredictorState *sp = PredictorState(tif);
-
- assert(sp != NULL);
- assert(sp->decoderow != NULL);
- assert(sp->decodepfunc != NULL);
-
- if ((*sp->decoderow)(tif, op0, occ0, s)) {
- (*sp->decodepfunc)(tif, op0, occ0);
- return 1;
- } else
- return 0;
-}
-
-/*
- * Decode a tile/strip and apply the predictor routine.
- * Note that horizontal differencing must be done on a
- * row-by-row basis. The width of a "row" has already
- * been calculated at pre-decode time according to the
- * strip/tile dimensions.
- */
-static int
-PredictorDecodeTile(TIFF* tif, tidata_t op0, tsize_t occ0, tsample_t s)
-{
- TIFFPredictorState *sp = PredictorState(tif);
-
- assert(sp != NULL);
- assert(sp->decodetile != NULL);
-
- if ((*sp->decodetile)(tif, op0, occ0, s)) {
- tsize_t rowsize = sp->rowsize;
- assert(rowsize > 0);
- assert(sp->decodepfunc != NULL);
- while ((long)occ0 > 0) {
- (*sp->decodepfunc)(tif, op0, (tsize_t) rowsize);
- occ0 -= rowsize;
- op0 += rowsize;
- }
- return 1;
- } else
- return 0;
-}
-
-static void
-horDiff8(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- TIFFPredictorState* sp = PredictorState(tif);
- tsize_t stride = sp->stride;
- char* cp = (char*) cp0;
-
- if (cc > stride) {
- cc -= stride;
- /*
- * Pipeline the most common cases.
- */
- if (stride == 3) {
- int r1, g1, b1;
- int r2 = cp[0];
- int g2 = cp[1];
- int b2 = cp[2];
- do {
- r1 = cp[3]; cp[3] = r1-r2; r2 = r1;
- g1 = cp[4]; cp[4] = g1-g2; g2 = g1;
- b1 = cp[5]; cp[5] = b1-b2; b2 = b1;
- cp += 3;
- } while ((int32)(cc -= 3) > 0);
- } else if (stride == 4) {
- int r1, g1, b1, a1;
- int r2 = cp[0];
- int g2 = cp[1];
- int b2 = cp[2];
- int a2 = cp[3];
- do {
- r1 = cp[4]; cp[4] = r1-r2; r2 = r1;
- g1 = cp[5]; cp[5] = g1-g2; g2 = g1;
- b1 = cp[6]; cp[6] = b1-b2; b2 = b1;
- a1 = cp[7]; cp[7] = a1-a2; a2 = a1;
- cp += 4;
- } while ((int32)(cc -= 4) > 0);
- } else {
- cp += cc - 1;
- do {
- REPEAT4(stride, cp[stride] -= cp[0]; cp--)
- } while ((int32)(cc -= stride) > 0);
- }
- }
-}
-
-static void
-horDiff16(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- TIFFPredictorState* sp = PredictorState(tif);
- tsize_t stride = sp->stride;
- int16 *wp = (int16*) cp0;
- tsize_t wc = cc/2;
-
- if (wc > stride) {
- wc -= stride;
- wp += wc - 1;
- do {
- REPEAT4(stride, wp[stride] -= wp[0]; wp--)
- wc -= stride;
- } while ((int32) wc > 0);
- }
-}
-
-static void
-horDiff32(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- TIFFPredictorState* sp = PredictorState(tif);
- tsize_t stride = sp->stride;
- int32 *wp = (int32*) cp0;
- tsize_t wc = cc/4;
-
- if (wc > stride) {
- wc -= stride;
- wp += wc - 1;
- do {
- REPEAT4(stride, wp[stride] -= wp[0]; wp--)
- wc -= stride;
- } while ((int32) wc > 0);
- }
-}
-
-/*
- * Floating point predictor differencing routine.
- */
-static void
-fpDiff(TIFF* tif, tidata_t cp0, tsize_t cc)
-{
- tsize_t stride = PredictorState(tif)->stride;
- uint32 bps = tif->tif_dir.td_bitspersample / 8;
- tsize_t wc = cc / bps;
- tsize_t count;
- uint8 *cp = (uint8 *) cp0;
- uint8 *tmp = (uint8 *)_TIFFmalloc(cc);
-
- if (!tmp)
- return;
-
- _TIFFmemcpy(tmp, cp0, cc);
- for (count = 0; count < wc; count++) {
- uint32 byte;
- for (byte = 0; byte < bps; byte++) {
-#if WORDS_BIGENDIAN
- cp[byte * wc + count] = tmp[bps * count + byte];
-#else
- cp[(bps - byte - 1) * wc + count] =
- tmp[bps * count + byte];
-#endif
- }
- }
- _TIFFfree(tmp);
-
- cp = (uint8 *) cp0;
- cp += cc - stride - 1;
- for (count = cc; count > stride; count -= stride)
- REPEAT4(stride, cp[stride] -= cp[0]; cp--)
-}
-
-static int
-PredictorEncodeRow(TIFF* tif, tidata_t bp, tsize_t cc, tsample_t s)
-{
- TIFFPredictorState *sp = PredictorState(tif);
-
- assert(sp != NULL);
- assert(sp->encodepfunc != NULL);
- assert(sp->encoderow != NULL);
-
- /* XXX horizontal differencing alters user's data XXX */
- (*sp->encodepfunc)(tif, bp, cc);
- return (*sp->encoderow)(tif, bp, cc, s);
-}
-
-static int
-PredictorEncodeTile(TIFF* tif, tidata_t bp0, tsize_t cc0, tsample_t s)
-{
- static const char module[] = "PredictorEncodeTile";
- TIFFPredictorState *sp = PredictorState(tif);
- uint8 *working_copy;
- tsize_t cc = cc0, rowsize;
- unsigned char* bp;
- int result_code;
-
- assert(sp != NULL);
- assert(sp->encodepfunc != NULL);
- assert(sp->encodetile != NULL);
-
- /*
- * Do predictor manipulation in a working buffer to avoid altering
- * the callers buffer. http://trac.osgeo.org/gdal/ticket/1965
- */
- working_copy = (uint8*) _TIFFmalloc(cc0);
- if ( working_copy == NULL )
- {
- TIFFErrorExt(tif->tif_clientdata, module,
- "Out of memory allocating %d byte temp buffer.",
- cc0 );
- return 0;
- }
- memcpy( working_copy, bp0, cc0 );
- bp = working_copy;
-
- rowsize = sp->rowsize;
- assert(rowsize > 0);
- assert((cc0%rowsize)==0);
- while (cc > 0) {
- (*sp->encodepfunc)(tif, bp, rowsize);
- cc -= rowsize;
- bp += rowsize;
- }
- result_code = (*sp->encodetile)(tif, working_copy, cc0, s);
-
- _TIFFfree( working_copy );
-
- return result_code;
-}
-
-#define FIELD_PREDICTOR (FIELD_CODEC+0) /* XXX */
-
-static const TIFFFieldInfo predictFieldInfo[] = {
- { TIFFTAG_PREDICTOR, 1, 1, TIFF_SHORT, FIELD_PREDICTOR,
- FALSE, FALSE, "Predictor" },
-};
-
-static int
-PredictorVSetField(TIFF* tif, ttag_t tag, va_list ap)
-{
- TIFFPredictorState *sp = PredictorState(tif);
-
- assert(sp != NULL);
- assert(sp->vsetparent != NULL);
-
- switch (tag) {
- case TIFFTAG_PREDICTOR:
- sp->predictor = (uint16) va_arg(ap, int);
- TIFFSetFieldBit(tif, FIELD_PREDICTOR);
- break;
- default:
- return (*sp->vsetparent)(tif, tag, ap);
- }
- tif->tif_flags |= TIFF_DIRTYDIRECT;
- return 1;
-}
-
-static int
-PredictorVGetField(TIFF* tif, ttag_t tag, va_list ap)
-{
- TIFFPredictorState *sp = PredictorState(tif);
-
- assert(sp != NULL);
- assert(sp->vgetparent != NULL);
-
- switch (tag) {
- case TIFFTAG_PREDICTOR:
- *va_arg(ap, uint16*) = sp->predictor;
- break;
- default:
- return (*sp->vgetparent)(tif, tag, ap);
- }
- return 1;
-}
-
-static void
-PredictorPrintDir(TIFF* tif, FILE* fd, long flags)
-{
- TIFFPredictorState* sp = PredictorState(tif);
-
- (void) flags;
- if (TIFFFieldSet(tif,FIELD_PREDICTOR)) {
- fprintf(fd, " Predictor: ");
- switch (sp->predictor) {
- case 1: fprintf(fd, "none "); break;
- case 2: fprintf(fd, "horizontal differencing "); break;
- case 3: fprintf(fd, "floating point predictor "); break;
- }
- fprintf(fd, "%u (0x%x)\n", sp->predictor, sp->predictor);
- }
- if (sp->printdir)
- (*sp->printdir)(tif, fd, flags);
-}
-
-int
-TIFFPredictorInit(TIFF* tif)
-{
- TIFFPredictorState* sp = PredictorState(tif);
-
- assert(sp != 0);
-
- /*
- * Merge codec-specific tag information.
- */
- if (!_TIFFMergeFieldInfo(tif, predictFieldInfo,
- TIFFArrayCount(predictFieldInfo))) {
- TIFFErrorExt(tif->tif_clientdata, "TIFFPredictorInit",
- "Merging Predictor codec-specific tags failed");
- return 0;
- }
-
- /*
- * Override parent get/set field methods.
- */
- sp->vgetparent = tif->tif_tagmethods.vgetfield;
- tif->tif_tagmethods.vgetfield =
- PredictorVGetField;/* hook for predictor tag */
- sp->vsetparent = tif->tif_tagmethods.vsetfield;
- tif->tif_tagmethods.vsetfield =
- PredictorVSetField;/* hook for predictor tag */
- sp->printdir = tif->tif_tagmethods.printdir;
- tif->tif_tagmethods.printdir =
- PredictorPrintDir; /* hook for predictor tag */
-
- sp->setupdecode = tif->tif_setupdecode;
- tif->tif_setupdecode = PredictorSetupDecode;
- sp->setupencode = tif->tif_setupencode;
- tif->tif_setupencode = PredictorSetupEncode;
-
- sp->predictor = 1; /* default value */
- sp->encodepfunc = NULL; /* no predictor routine */
- sp->decodepfunc = NULL; /* no predictor routine */
- return 1;
-}
-
-int
-TIFFPredictorCleanup(TIFF* tif)
-{
- TIFFPredictorState* sp = PredictorState(tif);
-
- assert(sp != 0);
-
- tif->tif_tagmethods.vgetfield = sp->vgetparent;
- tif->tif_tagmethods.vsetfield = sp->vsetparent;
- tif->tif_tagmethods.printdir = sp->printdir;
- tif->tif_setupdecode = sp->setupdecode;
- tif->tif_setupencode = sp->setupencode;
-
- return 1;
-}
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
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