diff options
Diffstat (limited to 'tiff/libtiff/tif_read.c')
| -rw-r--r-- | tiff/libtiff/tif_read.c | 750 |
1 files changed, 0 insertions, 750 deletions
diff --git a/tiff/libtiff/tif_read.c b/tiff/libtiff/tif_read.c deleted file mode 100644 index 8ac0ae6..0000000 --- a/tiff/libtiff/tif_read.c +++ /dev/null @@ -1,750 +0,0 @@ -/* $Id: tif_read.c,v 1.16.2.3 2010-06-09 14:32:47 bfriesen 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. - * Scanline-oriented Read Support - */ -#include "tiffiop.h" -#include <stdio.h> - - int TIFFFillStrip(TIFF*, tstrip_t); - int TIFFFillTile(TIFF*, ttile_t); -static int TIFFStartStrip(TIFF*, tstrip_t); -static int TIFFStartTile(TIFF*, ttile_t); -static int TIFFCheckRead(TIFF*, int); - -#define NOSTRIP ((tstrip_t) -1) /* undefined state */ -#define NOTILE ((ttile_t) -1) /* undefined state */ - -/* - * Seek to a random row+sample in a file. - */ -static int -TIFFSeek(TIFF* tif, uint32 row, tsample_t sample) -{ - register TIFFDirectory *td = &tif->tif_dir; - tstrip_t strip; - - if (row >= td->td_imagelength) { /* out of range */ - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%lu: Row out of range, max %lu", - (unsigned long) row, - (unsigned long) td->td_imagelength); - return (0); - } - if (td->td_planarconfig == PLANARCONFIG_SEPARATE) { - if (sample >= td->td_samplesperpixel) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%lu: Sample out of range, max %lu", - (unsigned long) sample, (unsigned long) td->td_samplesperpixel); - return (0); - } - strip = sample*td->td_stripsperimage + row/td->td_rowsperstrip; - } else - strip = row / td->td_rowsperstrip; - if (strip != tif->tif_curstrip) { /* different strip, refill */ - if (!TIFFFillStrip(tif, strip)) - return (0); - } else if (row < tif->tif_row) { - /* - * Moving backwards within the same strip: backup - * to the start and then decode forward (below). - * - * NB: If you're planning on lots of random access within a - * strip, it's better to just read and decode the entire - * strip, and then access the decoded data in a random fashion. - */ - if (!TIFFStartStrip(tif, strip)) - return (0); - } - if (row != tif->tif_row) { - /* - * Seek forward to the desired row. - */ - if (!(*tif->tif_seek)(tif, row - tif->tif_row)) - return (0); - tif->tif_row = row; - } - return (1); -} - -int -TIFFReadScanline(TIFF* tif, tdata_t buf, uint32 row, tsample_t sample) -{ - int e; - - if (!TIFFCheckRead(tif, 0)) - return (-1); - if( (e = TIFFSeek(tif, row, sample)) != 0) { - /* - * Decompress desired row into user buffer. - */ - e = (*tif->tif_decoderow) - (tif, (tidata_t) buf, tif->tif_scanlinesize, sample); - - /* we are now poised at the beginning of the next row */ - tif->tif_row = row + 1; - - if (e) - (*tif->tif_postdecode)(tif, (tidata_t) buf, - tif->tif_scanlinesize); - } - return (e > 0 ? 1 : -1); -} - -/* - * Read a strip of data and decompress the specified - * amount into the user-supplied buffer. - */ -tsize_t -TIFFReadEncodedStrip(TIFF* tif, tstrip_t strip, tdata_t buf, tsize_t size) -{ - TIFFDirectory *td = &tif->tif_dir; - uint32 nrows; - tsize_t stripsize; - tstrip_t sep_strip, strips_per_sep; - - if (!TIFFCheckRead(tif, 0)) - return (-1); - if (strip >= td->td_nstrips) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%ld: Strip out of range, max %ld", - (long) strip, (long) td->td_nstrips); - return (-1); - } - /* - * Calculate the strip size according to the number of - * rows in the strip (check for truncated last strip on any - * of the separations). - */ - if( td->td_rowsperstrip >= td->td_imagelength ) - strips_per_sep = 1; - else - strips_per_sep = (td->td_imagelength+td->td_rowsperstrip-1) - / td->td_rowsperstrip; - - sep_strip = strip % strips_per_sep; - - if (sep_strip != strips_per_sep-1 || - (nrows = td->td_imagelength % td->td_rowsperstrip) == 0) - nrows = td->td_rowsperstrip; - - stripsize = TIFFVStripSize(tif, nrows); - if (size == (tsize_t) -1) - size = stripsize; - else if (size > stripsize) - size = stripsize; - if (TIFFFillStrip(tif, strip) - && (*tif->tif_decodestrip)(tif, (tidata_t) buf, size, - (tsample_t)(strip / td->td_stripsperimage)) > 0 ) { - (*tif->tif_postdecode)(tif, (tidata_t) buf, size); - return (size); - } else - return ((tsize_t) -1); -} - -static tsize_t -TIFFReadRawStrip1(TIFF* tif, - tstrip_t strip, tdata_t buf, tsize_t size, const char* module) -{ - TIFFDirectory *td = &tif->tif_dir; - - assert((tif->tif_flags&TIFF_NOREADRAW)==0); - if (!isMapped(tif)) { - tsize_t cc; - - if (!SeekOK(tif, td->td_stripoffset[strip])) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Seek error at scanline %lu, strip %lu", - tif->tif_name, - (unsigned long) tif->tif_row, (unsigned long) strip); - return (-1); - } - cc = TIFFReadFile(tif, buf, size); - if (cc != size) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Read error at scanline %lu; got %lu bytes, expected %lu", - tif->tif_name, - (unsigned long) tif->tif_row, - (unsigned long) cc, - (unsigned long) size); - return (-1); - } - } else { - if (td->td_stripoffset[strip] + size > tif->tif_size) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Read error at scanline %lu, strip %lu; got %lu bytes, expected %lu", - tif->tif_name, - (unsigned long) tif->tif_row, - (unsigned long) strip, - (unsigned long) tif->tif_size - td->td_stripoffset[strip], - (unsigned long) size); - return (-1); - } - _TIFFmemcpy(buf, tif->tif_base + td->td_stripoffset[strip], - size); - } - return (size); -} - -/* - * Read a strip of data from the file. - */ -tsize_t -TIFFReadRawStrip(TIFF* tif, tstrip_t strip, tdata_t buf, tsize_t size) -{ - static const char module[] = "TIFFReadRawStrip"; - TIFFDirectory *td = &tif->tif_dir; - /* - * FIXME: butecount should have tsize_t type, but for now libtiff - * defines tsize_t as a signed 32-bit integer and we are losing - * ability to read arrays larger than 2^31 bytes. So we are using - * uint32 instead of tsize_t here. - */ - uint32 bytecount; - - if (!TIFFCheckRead(tif, 0)) - return ((tsize_t) -1); - if (strip >= td->td_nstrips) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%lu: Strip out of range, max %lu", - (unsigned long) strip, - (unsigned long) td->td_nstrips); - return ((tsize_t) -1); - } - if (tif->tif_flags&TIFF_NOREADRAW) - { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "Compression scheme does not support access to raw uncompressed data"); - return ((tsize_t) -1); - } - bytecount = td->td_stripbytecount[strip]; - if (bytecount <= 0) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%lu: Invalid strip byte count, strip %lu", - (unsigned long) bytecount, (unsigned long) strip); - return ((tsize_t) -1); - } - if (size != (tsize_t)-1 && (uint32)size < bytecount) - bytecount = size; - return (TIFFReadRawStrip1(tif, strip, buf, bytecount, module)); -} - -/* - * Read the specified strip and setup for decoding. The data buffer is - * expanded, as necessary, to hold the strip's data. - */ -int -TIFFFillStrip(TIFF* tif, tstrip_t strip) -{ - static const char module[] = "TIFFFillStrip"; - TIFFDirectory *td = &tif->tif_dir; - - if ((tif->tif_flags&TIFF_NOREADRAW)==0) - { - /* - * FIXME: butecount should have tsize_t type, but for now - * libtiff defines tsize_t as a signed 32-bit integer and we - * are losing ability to read arrays larger than 2^31 bytes. - * So we are using uint32 instead of tsize_t here. - */ - uint32 bytecount = td->td_stripbytecount[strip]; - if (bytecount <= 0) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Invalid strip byte count %lu, strip %lu", - tif->tif_name, (unsigned long) bytecount, - (unsigned long) strip); - return (0); - } - if (isMapped(tif) && - (isFillOrder(tif, td->td_fillorder) - || (tif->tif_flags & TIFF_NOBITREV))) { - /* - * The image is mapped into memory and we either don't - * need to flip bits or the compression routine is - * going to handle this operation itself. In this - * case, avoid copying the raw data and instead just - * reference the data from the memory mapped file - * image. This assumes that the decompression - * routines do not modify the contents of the raw data - * buffer (if they try to, the application will get a - * fault since the file is mapped read-only). - */ - if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) - _TIFFfree(tif->tif_rawdata); - tif->tif_flags &= ~TIFF_MYBUFFER; - /* - * We must check for overflow, potentially causing - * an OOB read. Instead of simple - * - * td->td_stripoffset[strip]+bytecount > tif->tif_size - * - * comparison (which can overflow) we do the following - * two comparisons: - */ - if (bytecount > tif->tif_size || - td->td_stripoffset[strip] > tif->tif_size - bytecount) { - /* - * This error message might seem strange, but - * it's what would happen if a read were done - * instead. - */ - TIFFErrorExt(tif->tif_clientdata, module, - - "%s: Read error on strip %lu; " - "got %lu bytes, expected %lu", - tif->tif_name, (unsigned long) strip, - (unsigned long) tif->tif_size - td->td_stripoffset[strip], - (unsigned long) bytecount); - tif->tif_curstrip = NOSTRIP; - return (0); - } - tif->tif_rawdatasize = bytecount; - tif->tif_rawdata = tif->tif_base + td->td_stripoffset[strip]; - } else { - /* - * Expand raw data buffer, if needed, to hold data - * strip coming from file (perhaps should set upper - * bound on the size of a buffer we'll use?). - */ - if (bytecount > (uint32)tif->tif_rawdatasize) { - tif->tif_curstrip = NOSTRIP; - if ((tif->tif_flags & TIFF_MYBUFFER) == 0) { - TIFFErrorExt(tif->tif_clientdata, - module, - "%s: Data buffer too small to hold strip %lu", - tif->tif_name, - (unsigned long) strip); - return (0); - } - if (!TIFFReadBufferSetup(tif, 0, - TIFFroundup(bytecount, 1024))) - return (0); - } - if ((uint32)TIFFReadRawStrip1(tif, strip, - (unsigned char *)tif->tif_rawdata, - bytecount, module) != bytecount) - return (0); - if (!isFillOrder(tif, td->td_fillorder) && - (tif->tif_flags & TIFF_NOBITREV) == 0) - TIFFReverseBits(tif->tif_rawdata, bytecount); - } - } - return (TIFFStartStrip(tif, strip)); -} - -/* - * Tile-oriented Read Support - * Contributed by Nancy Cam (Silicon Graphics). - */ - -/* - * Read and decompress a tile of data. The - * tile is selected by the (x,y,z,s) coordinates. - */ -tsize_t -TIFFReadTile(TIFF* tif, - tdata_t buf, uint32 x, uint32 y, uint32 z, tsample_t s) -{ - if (!TIFFCheckRead(tif, 1) || !TIFFCheckTile(tif, x, y, z, s)) - return (-1); - return (TIFFReadEncodedTile(tif, - TIFFComputeTile(tif, x, y, z, s), buf, (tsize_t) -1)); -} - -/* - * Read a tile of data and decompress the specified - * amount into the user-supplied buffer. - */ -tsize_t -TIFFReadEncodedTile(TIFF* tif, ttile_t tile, tdata_t buf, tsize_t size) -{ - TIFFDirectory *td = &tif->tif_dir; - tsize_t tilesize = tif->tif_tilesize; - - if (!TIFFCheckRead(tif, 1)) - return (-1); - if (tile >= td->td_nstrips) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%ld: Tile out of range, max %ld", - (long) tile, (unsigned long) td->td_nstrips); - return (-1); - } - if (size == (tsize_t) -1) - size = tilesize; - else if (size > tilesize) - size = tilesize; - if (TIFFFillTile(tif, tile) && (*tif->tif_decodetile)(tif, - (tidata_t) buf, size, (tsample_t)(tile/td->td_stripsperimage))) { - (*tif->tif_postdecode)(tif, (tidata_t) buf, size); - return (size); - } else - return (-1); -} - -static tsize_t -TIFFReadRawTile1(TIFF* tif, - ttile_t tile, tdata_t buf, tsize_t size, const char* module) -{ - TIFFDirectory *td = &tif->tif_dir; - - assert((tif->tif_flags&TIFF_NOREADRAW)==0); - if (!isMapped(tif)) { - tsize_t cc; - - if (!SeekOK(tif, td->td_stripoffset[tile])) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Seek error at row %ld, col %ld, tile %ld", - tif->tif_name, - (long) tif->tif_row, - (long) tif->tif_col, - (long) tile); - return ((tsize_t) -1); - } - cc = TIFFReadFile(tif, buf, size); - if (cc != size) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Read error at row %ld, col %ld; got %lu bytes, expected %lu", - tif->tif_name, - (long) tif->tif_row, - (long) tif->tif_col, - (unsigned long) cc, - (unsigned long) size); - return ((tsize_t) -1); - } - } else { - if (td->td_stripoffset[tile] + size > tif->tif_size) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Read error at row %ld, col %ld, tile %ld; got %lu bytes, expected %lu", - tif->tif_name, - (long) tif->tif_row, - (long) tif->tif_col, - (long) tile, - (unsigned long) tif->tif_size - td->td_stripoffset[tile], - (unsigned long) size); - return ((tsize_t) -1); - } - _TIFFmemcpy(buf, tif->tif_base + td->td_stripoffset[tile], size); - } - return (size); -} - -/* - * Read a tile of data from the file. - */ -tsize_t -TIFFReadRawTile(TIFF* tif, ttile_t tile, tdata_t buf, tsize_t size) -{ - static const char module[] = "TIFFReadRawTile"; - TIFFDirectory *td = &tif->tif_dir; - /* - * FIXME: butecount should have tsize_t type, but for now libtiff - * defines tsize_t as a signed 32-bit integer and we are losing - * ability to read arrays larger than 2^31 bytes. So we are using - * uint32 instead of tsize_t here. - */ - uint32 bytecount; - - if (!TIFFCheckRead(tif, 1)) - return ((tsize_t) -1); - if (tile >= td->td_nstrips) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%lu: Tile out of range, max %lu", - (unsigned long) tile, (unsigned long) td->td_nstrips); - return ((tsize_t) -1); - } - if (tif->tif_flags&TIFF_NOREADRAW) - { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "Compression scheme does not support access to raw uncompressed data"); - return ((tsize_t) -1); - } - bytecount = td->td_stripbytecount[tile]; - if (size != (tsize_t) -1 && (uint32)size < bytecount) - bytecount = size; - return (TIFFReadRawTile1(tif, tile, buf, bytecount, module)); -} - -/* - * Read the specified tile and setup for decoding. The data buffer is - * expanded, as necessary, to hold the tile's data. - */ -int -TIFFFillTile(TIFF* tif, ttile_t tile) -{ - static const char module[] = "TIFFFillTile"; - TIFFDirectory *td = &tif->tif_dir; - - if ((tif->tif_flags&TIFF_NOREADRAW)==0) - { - /* - * FIXME: butecount should have tsize_t type, but for now - * libtiff defines tsize_t as a signed 32-bit integer and we - * are losing ability to read arrays larger than 2^31 bytes. - * So we are using uint32 instead of tsize_t here. - */ - uint32 bytecount = td->td_stripbytecount[tile]; - if (bytecount <= 0) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, - "%lu: Invalid tile byte count, tile %lu", - (unsigned long) bytecount, (unsigned long) tile); - return (0); - } - if (isMapped(tif) && - (isFillOrder(tif, td->td_fillorder) - || (tif->tif_flags & TIFF_NOBITREV))) { - /* - * The image is mapped into memory and we either don't - * need to flip bits or the compression routine is - * going to handle this operation itself. In this - * case, avoid copying the raw data and instead just - * reference the data from the memory mapped file - * image. This assumes that the decompression - * routines do not modify the contents of the raw data - * buffer (if they try to, the application will get a - * fault since the file is mapped read-only). - */ - if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) - _TIFFfree(tif->tif_rawdata); - tif->tif_flags &= ~TIFF_MYBUFFER; - /* - * We must check for overflow, potentially causing - * an OOB read. Instead of simple - * - * td->td_stripoffset[tile]+bytecount > tif->tif_size - * - * comparison (which can overflow) we do the following - * two comparisons: - */ - if (bytecount > tif->tif_size || - td->td_stripoffset[tile] > tif->tif_size - bytecount) { - tif->tif_curtile = NOTILE; - return (0); - } - tif->tif_rawdatasize = bytecount; - tif->tif_rawdata = - tif->tif_base + td->td_stripoffset[tile]; - } else { - /* - * Expand raw data buffer, if needed, to hold data - * tile coming from file (perhaps should set upper - * bound on the size of a buffer we'll use?). - */ - if (bytecount > (uint32)tif->tif_rawdatasize) { - tif->tif_curtile = NOTILE; - if ((tif->tif_flags & TIFF_MYBUFFER) == 0) { - TIFFErrorExt(tif->tif_clientdata, - module, - "%s: Data buffer too small to hold tile %ld", - tif->tif_name, - (long) tile); - return (0); - } - if (!TIFFReadBufferSetup(tif, 0, - TIFFroundup(bytecount, 1024))) - return (0); - } - if ((uint32)TIFFReadRawTile1(tif, tile, - (unsigned char *)tif->tif_rawdata, - bytecount, module) != bytecount) - return (0); - if (!isFillOrder(tif, td->td_fillorder) && - (tif->tif_flags & TIFF_NOBITREV) == 0) - TIFFReverseBits(tif->tif_rawdata, bytecount); - } - } - return (TIFFStartTile(tif, tile)); -} - -/* - * Setup the raw data buffer in preparation for - * reading a strip of raw data. If the buffer - * is specified as zero, then a buffer of appropriate - * size is allocated by the library. Otherwise, - * the client must guarantee that the buffer is - * large enough to hold any individual strip of - * raw data. - */ -int -TIFFReadBufferSetup(TIFF* tif, tdata_t bp, tsize_t size) -{ - static const char module[] = "TIFFReadBufferSetup"; - - assert((tif->tif_flags&TIFF_NOREADRAW)==0); - if (tif->tif_rawdata) { - if (tif->tif_flags & TIFF_MYBUFFER) - _TIFFfree(tif->tif_rawdata); - tif->tif_rawdata = NULL; - } - - if (bp) { - tif->tif_rawdatasize = size; - tif->tif_rawdata = (tidata_t) bp; - tif->tif_flags &= ~TIFF_MYBUFFER; - } else { - tif->tif_rawdatasize = TIFFroundup(size, 1024); - if (tif->tif_rawdatasize > 0) - tif->tif_rawdata = (tidata_t) _TIFFmalloc(tif->tif_rawdatasize); - tif->tif_flags |= TIFF_MYBUFFER; - } - if ((tif->tif_rawdata == NULL) || (tif->tif_rawdatasize == 0)) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: No space for data buffer at scanline %ld", - tif->tif_name, (long) tif->tif_row); - tif->tif_rawdatasize = 0; - return (0); - } - return (1); -} - -/* - * Set state to appear as if a - * strip has just been read in. - */ -static int -TIFFStartStrip(TIFF* tif, tstrip_t strip) -{ - TIFFDirectory *td = &tif->tif_dir; - - if ((tif->tif_flags & TIFF_CODERSETUP) == 0) { - if (!(*tif->tif_setupdecode)(tif)) - return (0); - tif->tif_flags |= TIFF_CODERSETUP; - } - tif->tif_curstrip = strip; - tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip; - if (tif->tif_flags&TIFF_NOREADRAW) - { - tif->tif_rawcp = NULL; - tif->tif_rawcc = 0; - } - else - { - tif->tif_rawcp = tif->tif_rawdata; - tif->tif_rawcc = td->td_stripbytecount[strip]; - } - return ((*tif->tif_predecode)(tif, - (tsample_t)(strip / td->td_stripsperimage))); -} - -/* - * Set state to appear as if a - * tile has just been read in. - */ -static int -TIFFStartTile(TIFF* tif, ttile_t tile) -{ - TIFFDirectory *td = &tif->tif_dir; - - if ((tif->tif_flags & TIFF_CODERSETUP) == 0) { - if (!(*tif->tif_setupdecode)(tif)) - return (0); - tif->tif_flags |= TIFF_CODERSETUP; - } - tif->tif_curtile = tile; - tif->tif_row = - (tile % TIFFhowmany(td->td_imagewidth, td->td_tilewidth)) * - td->td_tilelength; - tif->tif_col = - (tile % TIFFhowmany(td->td_imagelength, td->td_tilelength)) * - td->td_tilewidth; - if (tif->tif_flags&TIFF_NOREADRAW) - { - tif->tif_rawcp = NULL; - tif->tif_rawcc = 0; - } - else - { - tif->tif_rawcp = tif->tif_rawdata; - tif->tif_rawcc = td->td_stripbytecount[tile]; - } - return ((*tif->tif_predecode)(tif, - (tsample_t)(tile/td->td_stripsperimage))); -} - -static int -TIFFCheckRead(TIFF* tif, int tiles) -{ - if (tif->tif_mode == O_WRONLY) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "File not open for reading"); - return (0); - } - if (tiles ^ isTiled(tif)) { - TIFFErrorExt(tif->tif_clientdata, tif->tif_name, tiles ? - "Can not read tiles from a stripped image" : - "Can not read scanlines from a tiled image"); - return (0); - } - return (1); -} - -void -_TIFFNoPostDecode(TIFF* tif, tidata_t buf, tsize_t cc) -{ - (void) tif; (void) buf; (void) cc; -} - -void -_TIFFSwab16BitData(TIFF* tif, tidata_t buf, tsize_t cc) -{ - (void) tif; - assert((cc & 1) == 0); - TIFFSwabArrayOfShort((uint16*) buf, cc/2); -} - -void -_TIFFSwab24BitData(TIFF* tif, tidata_t buf, tsize_t cc) -{ - (void) tif; - assert((cc % 3) == 0); - TIFFSwabArrayOfTriples((uint8*) buf, cc/3); -} - -void -_TIFFSwab32BitData(TIFF* tif, tidata_t buf, tsize_t cc) -{ - (void) tif; - assert((cc & 3) == 0); - TIFFSwabArrayOfLong((uint32*) buf, cc/4); -} - -void -_TIFFSwab64BitData(TIFF* tif, tidata_t buf, tsize_t cc) -{ - (void) tif; - assert((cc & 7) == 0); - TIFFSwabArrayOfDouble((double*) buf, cc/8); -} - -/* vim: set ts=8 sts=8 sw=8 noet: */ -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ |