mirror of
https://github.com/opencv/opencv.git
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52f3f5a3f6
* libtiff upgrade to version 4.6.0 * fix tiffvers.h cmake generation * temp: force build 3rd party deps from source * remove libport.h and spintf.c * cmake fixes * don't use tiff_dummy_namespace on windows * introduce numeric_types namespace alias * include cstdint * uint16_t is not a numeric_types type * fix uint16 and uint32 type defs * use standard c++ types * remove unused files * remove more unused files * revert build 3rd party code from source --------- Co-authored-by: Misha Klatis <misha.klatis@autodesk.com>
961 lines
32 KiB
C
961 lines
32 KiB
C
/*
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* Copyright (c) 1988-1997 Sam Leffler
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* Copyright (c) 1991-1997 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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/*
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* TIFF Library.
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*
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* Scanline-oriented Write Support
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*/
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#include "tiffiop.h"
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#include <stdio.h>
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#define STRIPINCR 20 /* expansion factor on strip array */
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#define WRITECHECKSTRIPS(tif, module) \
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(((tif)->tif_flags & TIFF_BEENWRITING) || TIFFWriteCheck((tif), 0, module))
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#define WRITECHECKTILES(tif, module) \
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(((tif)->tif_flags & TIFF_BEENWRITING) || TIFFWriteCheck((tif), 1, module))
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#define BUFFERCHECK(tif) \
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((((tif)->tif_flags & TIFF_BUFFERSETUP) && tif->tif_rawdata) || \
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TIFFWriteBufferSetup((tif), NULL, (tmsize_t)-1))
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static int TIFFGrowStrips(TIFF *tif, uint32_t delta, const char *module);
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static int TIFFAppendToStrip(TIFF *tif, uint32_t strip, uint8_t *data,
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tmsize_t cc);
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int TIFFWriteScanline(TIFF *tif, void *buf, uint32_t row, uint16_t sample)
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{
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static const char module[] = "TIFFWriteScanline";
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register TIFFDirectory *td;
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int status, imagegrew = 0;
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uint32_t strip;
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if (!WRITECHECKSTRIPS(tif, module))
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return (-1);
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/*
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* Handle delayed allocation of data buffer. This
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* permits it to be sized more intelligently (using
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* directory information).
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*/
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if (!BUFFERCHECK(tif))
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return (-1);
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tif->tif_flags |= TIFF_BUF4WRITE; /* not strictly sure this is right*/
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td = &tif->tif_dir;
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/*
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* Extend image length if needed
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* (but only for PlanarConfig=1).
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*/
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if (row >= td->td_imagelength)
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{ /* extend image */
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if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
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{
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TIFFErrorExtR(
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tif, module,
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"Can not change \"ImageLength\" when using separate planes");
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return (-1);
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}
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td->td_imagelength = row + 1;
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imagegrew = 1;
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}
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/*
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* Calculate strip and check for crossings.
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*/
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if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
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{
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if (sample >= td->td_samplesperpixel)
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{
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TIFFErrorExtR(tif, module, "%lu: Sample out of range, max %lu",
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(unsigned long)sample,
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(unsigned long)td->td_samplesperpixel);
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return (-1);
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}
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strip = sample * td->td_stripsperimage + row / td->td_rowsperstrip;
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}
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else
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strip = row / td->td_rowsperstrip;
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/*
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* Check strip array to make sure there's space. We don't support
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* dynamically growing files that have data organized in separate
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* bitplanes because it's too painful. In that case we require that
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* the imagelength be set properly before the first write (so that the
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* strips array will be fully allocated above).
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*/
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if (strip >= td->td_nstrips && !TIFFGrowStrips(tif, 1, module))
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return (-1);
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if (strip != tif->tif_curstrip)
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{
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/*
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* Changing strips -- flush any data present.
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*/
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if (!TIFFFlushData(tif))
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return (-1);
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tif->tif_curstrip = strip;
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/*
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* Watch out for a growing image. The value of strips/image
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* will initially be 1 (since it can't be deduced until the
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* imagelength is known).
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*/
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if (strip >= td->td_stripsperimage && imagegrew)
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td->td_stripsperimage =
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TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip);
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if (td->td_stripsperimage == 0)
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{
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TIFFErrorExtR(tif, module, "Zero strips per image");
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return (-1);
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}
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tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
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if ((tif->tif_flags & TIFF_CODERSETUP) == 0)
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{
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if (!(*tif->tif_setupencode)(tif))
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return (-1);
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tif->tif_flags |= TIFF_CODERSETUP;
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}
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tif->tif_rawcc = 0;
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tif->tif_rawcp = tif->tif_rawdata;
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/* this informs TIFFAppendToStrip() we have changed strip */
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tif->tif_curoff = 0;
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if (!(*tif->tif_preencode)(tif, sample))
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return (-1);
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tif->tif_flags |= TIFF_POSTENCODE;
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}
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/*
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* Ensure the write is either sequential or at the
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* beginning of a strip (or that we can randomly
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* access the data -- i.e. no encoding).
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*/
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if (row != tif->tif_row)
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{
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if (row < tif->tif_row)
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{
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/*
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* Moving backwards within the same strip:
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* backup to the start and then decode
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* forward (below).
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*/
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tif->tif_row =
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(strip % td->td_stripsperimage) * td->td_rowsperstrip;
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tif->tif_rawcp = tif->tif_rawdata;
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}
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/*
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* Seek forward to the desired row.
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*/
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if (!(*tif->tif_seek)(tif, row - tif->tif_row))
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return (-1);
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tif->tif_row = row;
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}
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/* swab if needed - note that source buffer will be altered */
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tif->tif_postdecode(tif, (uint8_t *)buf, tif->tif_scanlinesize);
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status = (*tif->tif_encoderow)(tif, (uint8_t *)buf, tif->tif_scanlinesize,
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sample);
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/* we are now poised at the beginning of the next row */
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tif->tif_row = row + 1;
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return (status);
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}
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/* Make sure that at the first attempt of rewriting a tile/strip, we will have
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*/
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/* more bytes available in the output buffer than the previous byte count, */
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/* so that TIFFAppendToStrip() will detect the overflow when it is called the
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* first */
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/* time if the new compressed tile is bigger than the older one. (GDAL #4771) */
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static int _TIFFReserveLargeEnoughWriteBuffer(TIFF *tif, uint32_t strip_or_tile)
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{
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TIFFDirectory *td = &tif->tif_dir;
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if (td->td_stripbytecount_p[strip_or_tile] > 0)
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{
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/* The +1 is to ensure at least one extra bytes */
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/* The +4 is because the LZW encoder flushes 4 bytes before the limit */
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uint64_t safe_buffer_size =
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(uint64_t)(td->td_stripbytecount_p[strip_or_tile] + 1 + 4);
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if (tif->tif_rawdatasize <= (tmsize_t)safe_buffer_size)
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{
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if (!(TIFFWriteBufferSetup(
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tif, NULL,
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(tmsize_t)TIFFroundup_64(safe_buffer_size, 1024))))
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return 0;
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}
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}
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return 1;
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}
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/*
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* Encode the supplied data and write it to the
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* specified strip.
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*
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* NB: Image length must be setup before writing.
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*/
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tmsize_t TIFFWriteEncodedStrip(TIFF *tif, uint32_t strip, void *data,
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tmsize_t cc)
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{
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static const char module[] = "TIFFWriteEncodedStrip";
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TIFFDirectory *td = &tif->tif_dir;
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uint16_t sample;
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if (!WRITECHECKSTRIPS(tif, module))
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return ((tmsize_t)-1);
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/*
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* Check strip array to make sure there's space.
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* We don't support dynamically growing files that
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* have data organized in separate bitplanes because
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* it's too painful. In that case we require that
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* the imagelength be set properly before the first
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* write (so that the strips array will be fully
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* allocated above).
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*/
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if (strip >= td->td_nstrips)
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{
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if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
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{
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TIFFErrorExtR(
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tif, module,
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"Can not grow image by strips when using separate planes");
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return ((tmsize_t)-1);
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}
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if (!TIFFGrowStrips(tif, 1, module))
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return ((tmsize_t)-1);
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td->td_stripsperimage =
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TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip);
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}
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/*
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* Handle delayed allocation of data buffer. This
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* permits it to be sized according to the directory
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* info.
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*/
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if (!BUFFERCHECK(tif))
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return ((tmsize_t)-1);
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tif->tif_flags |= TIFF_BUF4WRITE;
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tif->tif_curstrip = strip;
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/* this informs TIFFAppendToStrip() we have changed or reset strip */
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tif->tif_curoff = 0;
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if (!_TIFFReserveLargeEnoughWriteBuffer(tif, strip))
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{
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return ((tmsize_t)(-1));
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}
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tif->tif_rawcc = 0;
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tif->tif_rawcp = tif->tif_rawdata;
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if (td->td_stripsperimage == 0)
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{
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TIFFErrorExtR(tif, module, "Zero strips per image");
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return ((tmsize_t)-1);
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}
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tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
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if ((tif->tif_flags & TIFF_CODERSETUP) == 0)
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{
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if (!(*tif->tif_setupencode)(tif))
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return ((tmsize_t)-1);
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tif->tif_flags |= TIFF_CODERSETUP;
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}
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tif->tif_flags &= ~TIFF_POSTENCODE;
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/* shortcut to avoid an extra memcpy() */
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if (td->td_compression == COMPRESSION_NONE)
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{
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/* swab if needed - note that source buffer will be altered */
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tif->tif_postdecode(tif, (uint8_t *)data, cc);
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if (!isFillOrder(tif, td->td_fillorder) &&
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(tif->tif_flags & TIFF_NOBITREV) == 0)
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TIFFReverseBits((uint8_t *)data, cc);
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if (cc > 0 && !TIFFAppendToStrip(tif, strip, (uint8_t *)data, cc))
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return ((tmsize_t)-1);
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return (cc);
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}
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sample = (uint16_t)(strip / td->td_stripsperimage);
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if (!(*tif->tif_preencode)(tif, sample))
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return ((tmsize_t)-1);
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/* swab if needed - note that source buffer will be altered */
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tif->tif_postdecode(tif, (uint8_t *)data, cc);
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if (!(*tif->tif_encodestrip)(tif, (uint8_t *)data, cc, sample))
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return ((tmsize_t)-1);
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if (!(*tif->tif_postencode)(tif))
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return ((tmsize_t)-1);
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if (!isFillOrder(tif, td->td_fillorder) &&
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(tif->tif_flags & TIFF_NOBITREV) == 0)
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TIFFReverseBits(tif->tif_rawdata, tif->tif_rawcc);
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if (tif->tif_rawcc > 0 &&
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!TIFFAppendToStrip(tif, strip, tif->tif_rawdata, tif->tif_rawcc))
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return ((tmsize_t)-1);
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tif->tif_rawcc = 0;
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tif->tif_rawcp = tif->tif_rawdata;
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return (cc);
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}
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/*
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* Write the supplied data to the specified strip.
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*
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* NB: Image length must be setup before writing.
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*/
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tmsize_t TIFFWriteRawStrip(TIFF *tif, uint32_t strip, void *data, tmsize_t cc)
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{
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static const char module[] = "TIFFWriteRawStrip";
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TIFFDirectory *td = &tif->tif_dir;
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if (!WRITECHECKSTRIPS(tif, module))
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return ((tmsize_t)-1);
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/*
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* Check strip array to make sure there's space.
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* We don't support dynamically growing files that
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* have data organized in separate bitplanes because
|
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* it's too painful. In that case we require that
|
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* the imagelength be set properly before the first
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* write (so that the strips array will be fully
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* allocated above).
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*/
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if (strip >= td->td_nstrips)
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{
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if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
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{
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TIFFErrorExtR(
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tif, module,
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"Can not grow image by strips when using separate planes");
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return ((tmsize_t)-1);
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}
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/*
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* Watch out for a growing image. The value of
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* strips/image will initially be 1 (since it
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* can't be deduced until the imagelength is known).
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*/
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if (strip >= td->td_stripsperimage)
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td->td_stripsperimage =
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TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip);
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if (!TIFFGrowStrips(tif, 1, module))
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return ((tmsize_t)-1);
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}
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if (tif->tif_curstrip != strip)
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{
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tif->tif_curstrip = strip;
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/* this informs TIFFAppendToStrip() we have changed or reset strip */
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tif->tif_curoff = 0;
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}
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if (td->td_stripsperimage == 0)
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{
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TIFFErrorExtR(tif, module, "Zero strips per image");
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return ((tmsize_t)-1);
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}
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tif->tif_row = (strip % td->td_stripsperimage) * td->td_rowsperstrip;
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return (TIFFAppendToStrip(tif, strip, (uint8_t *)data, cc) ? cc
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: (tmsize_t)-1);
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}
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/*
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* Write and compress a tile of data. The
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* tile is selected by the (x,y,z,s) coordinates.
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*/
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tmsize_t TIFFWriteTile(TIFF *tif, void *buf, uint32_t x, uint32_t y, uint32_t z,
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uint16_t s)
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{
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if (!TIFFCheckTile(tif, x, y, z, s))
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return ((tmsize_t)(-1));
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/*
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* NB: A tile size of -1 is used instead of tif_tilesize knowing
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* that TIFFWriteEncodedTile will clamp this to the tile size.
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* This is done because the tile size may not be defined until
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* after the output buffer is setup in TIFFWriteBufferSetup.
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*/
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return (TIFFWriteEncodedTile(tif, TIFFComputeTile(tif, x, y, z, s), buf,
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(tmsize_t)(-1)));
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}
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/*
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* Encode the supplied data and write it to the
|
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* specified tile. There must be space for the
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* data. The function clamps individual writes
|
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* to a tile to the tile size, but does not (and
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* can not) check that multiple writes to the same
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* tile do not write more than tile size data.
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*
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* NB: Image length must be setup before writing; this
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* interface does not support automatically growing
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* the image on each write (as TIFFWriteScanline does).
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*/
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tmsize_t TIFFWriteEncodedTile(TIFF *tif, uint32_t tile, void *data, tmsize_t cc)
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{
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static const char module[] = "TIFFWriteEncodedTile";
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TIFFDirectory *td;
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uint16_t sample;
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uint32_t howmany32;
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if (!WRITECHECKTILES(tif, module))
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return ((tmsize_t)(-1));
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td = &tif->tif_dir;
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if (tile >= td->td_nstrips)
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{
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TIFFErrorExtR(tif, module, "Tile %lu out of range, max %lu",
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(unsigned long)tile, (unsigned long)td->td_nstrips);
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return ((tmsize_t)(-1));
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}
|
|
/*
|
|
* Handle delayed allocation of data buffer. This
|
|
* permits it to be sized more intelligently (using
|
|
* directory information).
|
|
*/
|
|
if (!BUFFERCHECK(tif))
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return ((tmsize_t)(-1));
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|
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tif->tif_flags |= TIFF_BUF4WRITE;
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tif->tif_curtile = tile;
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/* this informs TIFFAppendToStrip() we have changed or reset tile */
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tif->tif_curoff = 0;
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if (!_TIFFReserveLargeEnoughWriteBuffer(tif, tile))
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{
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return ((tmsize_t)(-1));
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}
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tif->tif_rawcc = 0;
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tif->tif_rawcp = tif->tif_rawdata;
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/*
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* Compute tiles per row & per column to compute
|
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* current row and column
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*/
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howmany32 = TIFFhowmany_32(td->td_imagelength, td->td_tilelength);
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if (howmany32 == 0)
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{
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TIFFErrorExtR(tif, module, "Zero tiles");
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return ((tmsize_t)(-1));
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}
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tif->tif_row = (tile % howmany32) * td->td_tilelength;
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howmany32 = TIFFhowmany_32(td->td_imagewidth, td->td_tilewidth);
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if (howmany32 == 0)
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{
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TIFFErrorExtR(tif, module, "Zero tiles");
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return ((tmsize_t)(-1));
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}
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tif->tif_col = (tile % howmany32) * td->td_tilewidth;
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if ((tif->tif_flags & TIFF_CODERSETUP) == 0)
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{
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if (!(*tif->tif_setupencode)(tif))
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return ((tmsize_t)(-1));
|
|
tif->tif_flags |= TIFF_CODERSETUP;
|
|
}
|
|
tif->tif_flags &= ~TIFF_POSTENCODE;
|
|
|
|
/*
|
|
* Clamp write amount to the tile size. This is mostly
|
|
* done so that callers can pass in some large number
|
|
* (e.g. -1) and have the tile size used instead.
|
|
*/
|
|
if (cc < 1 || cc > tif->tif_tilesize)
|
|
cc = tif->tif_tilesize;
|
|
|
|
/* shortcut to avoid an extra memcpy() */
|
|
if (td->td_compression == COMPRESSION_NONE)
|
|
{
|
|
/* swab if needed - note that source buffer will be altered */
|
|
tif->tif_postdecode(tif, (uint8_t *)data, cc);
|
|
|
|
if (!isFillOrder(tif, td->td_fillorder) &&
|
|
(tif->tif_flags & TIFF_NOBITREV) == 0)
|
|
TIFFReverseBits((uint8_t *)data, cc);
|
|
|
|
if (cc > 0 && !TIFFAppendToStrip(tif, tile, (uint8_t *)data, cc))
|
|
return ((tmsize_t)-1);
|
|
return (cc);
|
|
}
|
|
|
|
sample = (uint16_t)(tile / td->td_stripsperimage);
|
|
if (!(*tif->tif_preencode)(tif, sample))
|
|
return ((tmsize_t)(-1));
|
|
/* swab if needed - note that source buffer will be altered */
|
|
tif->tif_postdecode(tif, (uint8_t *)data, cc);
|
|
|
|
if (!(*tif->tif_encodetile)(tif, (uint8_t *)data, cc, sample))
|
|
return ((tmsize_t)-1);
|
|
if (!(*tif->tif_postencode)(tif))
|
|
return ((tmsize_t)(-1));
|
|
if (!isFillOrder(tif, td->td_fillorder) &&
|
|
(tif->tif_flags & TIFF_NOBITREV) == 0)
|
|
TIFFReverseBits((uint8_t *)tif->tif_rawdata, tif->tif_rawcc);
|
|
if (tif->tif_rawcc > 0 &&
|
|
!TIFFAppendToStrip(tif, tile, tif->tif_rawdata, tif->tif_rawcc))
|
|
return ((tmsize_t)(-1));
|
|
tif->tif_rawcc = 0;
|
|
tif->tif_rawcp = tif->tif_rawdata;
|
|
return (cc);
|
|
}
|
|
|
|
/*
|
|
* Write the supplied data to the specified strip.
|
|
* There must be space for the data; we don't check
|
|
* if strips overlap!
|
|
*
|
|
* NB: Image length must be setup before writing; this
|
|
* interface does not support automatically growing
|
|
* the image on each write (as TIFFWriteScanline does).
|
|
*/
|
|
tmsize_t TIFFWriteRawTile(TIFF *tif, uint32_t tile, void *data, tmsize_t cc)
|
|
{
|
|
static const char module[] = "TIFFWriteRawTile";
|
|
|
|
if (!WRITECHECKTILES(tif, module))
|
|
return ((tmsize_t)(-1));
|
|
if (tile >= tif->tif_dir.td_nstrips)
|
|
{
|
|
TIFFErrorExtR(tif, module, "Tile %lu out of range, max %lu",
|
|
(unsigned long)tile,
|
|
(unsigned long)tif->tif_dir.td_nstrips);
|
|
return ((tmsize_t)(-1));
|
|
}
|
|
return (TIFFAppendToStrip(tif, tile, (uint8_t *)data, cc) ? cc
|
|
: (tmsize_t)(-1));
|
|
}
|
|
|
|
#define isUnspecified(tif, f) \
|
|
(TIFFFieldSet(tif, f) && (tif)->tif_dir.td_imagelength == 0)
|
|
|
|
int TIFFSetupStrips(TIFF *tif)
|
|
{
|
|
TIFFDirectory *td = &tif->tif_dir;
|
|
|
|
if (isTiled(tif))
|
|
td->td_stripsperimage = isUnspecified(tif, FIELD_TILEDIMENSIONS)
|
|
? td->td_samplesperpixel
|
|
: TIFFNumberOfTiles(tif);
|
|
else
|
|
td->td_stripsperimage = isUnspecified(tif, FIELD_ROWSPERSTRIP)
|
|
? td->td_samplesperpixel
|
|
: TIFFNumberOfStrips(tif);
|
|
td->td_nstrips = td->td_stripsperimage;
|
|
/* TIFFWriteDirectoryTagData has a limitation to 0x80000000U bytes */
|
|
if (td->td_nstrips >=
|
|
0x80000000U / ((tif->tif_flags & TIFF_BIGTIFF) ? 0x8U : 0x4U))
|
|
{
|
|
TIFFErrorExtR(tif, "TIFFSetupStrips",
|
|
"Too large Strip/Tile Offsets/ByteCounts arrays");
|
|
return 0;
|
|
}
|
|
if (td->td_planarconfig == PLANARCONFIG_SEPARATE)
|
|
td->td_stripsperimage /= td->td_samplesperpixel;
|
|
td->td_stripoffset_p = (uint64_t *)_TIFFCheckMalloc(
|
|
tif, td->td_nstrips, sizeof(uint64_t), "for \"StripOffsets\" array");
|
|
td->td_stripbytecount_p = (uint64_t *)_TIFFCheckMalloc(
|
|
tif, td->td_nstrips, sizeof(uint64_t), "for \"StripByteCounts\" array");
|
|
if (td->td_stripoffset_p == NULL || td->td_stripbytecount_p == NULL)
|
|
return (0);
|
|
/*
|
|
* Place data at the end-of-file
|
|
* (by setting offsets to zero).
|
|
*/
|
|
_TIFFmemset(td->td_stripoffset_p, 0, td->td_nstrips * sizeof(uint64_t));
|
|
_TIFFmemset(td->td_stripbytecount_p, 0, td->td_nstrips * sizeof(uint64_t));
|
|
TIFFSetFieldBit(tif, FIELD_STRIPOFFSETS);
|
|
TIFFSetFieldBit(tif, FIELD_STRIPBYTECOUNTS);
|
|
return (1);
|
|
}
|
|
#undef isUnspecified
|
|
|
|
/*
|
|
* Verify file is writable and that the directory
|
|
* information is setup properly. In doing the latter
|
|
* we also "freeze" the state of the directory so
|
|
* that important information is not changed.
|
|
*/
|
|
int TIFFWriteCheck(TIFF *tif, int tiles, const char *module)
|
|
{
|
|
if (tif->tif_mode == O_RDONLY)
|
|
{
|
|
TIFFErrorExtR(tif, module, "File not open for writing");
|
|
return (0);
|
|
}
|
|
if (tiles ^ isTiled(tif))
|
|
{
|
|
TIFFErrorExtR(tif, module,
|
|
tiles ? "Can not write tiles to a striped image"
|
|
: "Can not write scanlines to a tiled image");
|
|
return (0);
|
|
}
|
|
|
|
_TIFFFillStriles(tif);
|
|
|
|
/*
|
|
* On the first write verify all the required information
|
|
* has been setup and initialize any data structures that
|
|
* had to wait until directory information was set.
|
|
* Note that a lot of our work is assumed to remain valid
|
|
* because we disallow any of the important parameters
|
|
* from changing after we start writing (i.e. once
|
|
* TIFF_BEENWRITING is set, TIFFSetField will only allow
|
|
* the image's length to be changed).
|
|
*/
|
|
if (!TIFFFieldSet(tif, FIELD_IMAGEDIMENSIONS))
|
|
{
|
|
TIFFErrorExtR(tif, module,
|
|
"Must set \"ImageWidth\" before writing data");
|
|
return (0);
|
|
}
|
|
if (tif->tif_dir.td_stripoffset_p == NULL && !TIFFSetupStrips(tif))
|
|
{
|
|
tif->tif_dir.td_nstrips = 0;
|
|
TIFFErrorExtR(tif, module, "No space for %s arrays",
|
|
isTiled(tif) ? "tile" : "strip");
|
|
return (0);
|
|
}
|
|
if (isTiled(tif))
|
|
{
|
|
tif->tif_tilesize = TIFFTileSize(tif);
|
|
if (tif->tif_tilesize == 0)
|
|
return (0);
|
|
}
|
|
else
|
|
tif->tif_tilesize = (tmsize_t)(-1);
|
|
tif->tif_scanlinesize = TIFFScanlineSize(tif);
|
|
if (tif->tif_scanlinesize == 0)
|
|
return (0);
|
|
tif->tif_flags |= TIFF_BEENWRITING;
|
|
|
|
if (tif->tif_dir.td_stripoffset_entry.tdir_tag != 0 &&
|
|
tif->tif_dir.td_stripoffset_entry.tdir_count == 0 &&
|
|
tif->tif_dir.td_stripoffset_entry.tdir_type == 0 &&
|
|
tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 &&
|
|
tif->tif_dir.td_stripbytecount_entry.tdir_tag != 0 &&
|
|
tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 &&
|
|
tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 &&
|
|
tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0 &&
|
|
!(tif->tif_flags & TIFF_DIRTYDIRECT))
|
|
{
|
|
TIFFForceStrileArrayWriting(tif);
|
|
}
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Setup the raw data buffer used for encoding.
|
|
*/
|
|
int TIFFWriteBufferSetup(TIFF *tif, void *bp, tmsize_t size)
|
|
{
|
|
static const char module[] = "TIFFWriteBufferSetup";
|
|
|
|
if (tif->tif_rawdata)
|
|
{
|
|
if (tif->tif_flags & TIFF_MYBUFFER)
|
|
{
|
|
_TIFFfreeExt(tif, tif->tif_rawdata);
|
|
tif->tif_flags &= ~TIFF_MYBUFFER;
|
|
}
|
|
tif->tif_rawdata = NULL;
|
|
}
|
|
if (size == (tmsize_t)(-1))
|
|
{
|
|
size = (isTiled(tif) ? tif->tif_tilesize : TIFFStripSize(tif));
|
|
|
|
/* Adds 10% margin for cases where compression would expand a bit */
|
|
if (size < TIFF_TMSIZE_T_MAX - size / 10)
|
|
size += size / 10;
|
|
/*
|
|
* Make raw data buffer at least 8K
|
|
*/
|
|
if (size < 8 * 1024)
|
|
size = 8 * 1024;
|
|
bp = NULL; /* NB: force malloc */
|
|
}
|
|
if (bp == NULL)
|
|
{
|
|
bp = _TIFFmallocExt(tif, size);
|
|
if (bp == NULL)
|
|
{
|
|
TIFFErrorExtR(tif, module, "No space for output buffer");
|
|
return (0);
|
|
}
|
|
tif->tif_flags |= TIFF_MYBUFFER;
|
|
}
|
|
else
|
|
tif->tif_flags &= ~TIFF_MYBUFFER;
|
|
tif->tif_rawdata = (uint8_t *)bp;
|
|
tif->tif_rawdatasize = size;
|
|
tif->tif_rawcc = 0;
|
|
tif->tif_rawcp = tif->tif_rawdata;
|
|
tif->tif_flags |= TIFF_BUFFERSETUP;
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Grow the strip data structures by delta strips.
|
|
*/
|
|
static int TIFFGrowStrips(TIFF *tif, uint32_t delta, const char *module)
|
|
{
|
|
TIFFDirectory *td = &tif->tif_dir;
|
|
uint64_t *new_stripoffset;
|
|
uint64_t *new_stripbytecount;
|
|
|
|
assert(td->td_planarconfig == PLANARCONFIG_CONTIG);
|
|
new_stripoffset = (uint64_t *)_TIFFreallocExt(
|
|
tif, td->td_stripoffset_p, (td->td_nstrips + delta) * sizeof(uint64_t));
|
|
new_stripbytecount = (uint64_t *)_TIFFreallocExt(
|
|
tif, td->td_stripbytecount_p,
|
|
(td->td_nstrips + delta) * sizeof(uint64_t));
|
|
if (new_stripoffset == NULL || new_stripbytecount == NULL)
|
|
{
|
|
if (new_stripoffset)
|
|
_TIFFfreeExt(tif, new_stripoffset);
|
|
if (new_stripbytecount)
|
|
_TIFFfreeExt(tif, new_stripbytecount);
|
|
td->td_nstrips = 0;
|
|
TIFFErrorExtR(tif, module, "No space to expand strip arrays");
|
|
return (0);
|
|
}
|
|
td->td_stripoffset_p = new_stripoffset;
|
|
td->td_stripbytecount_p = new_stripbytecount;
|
|
_TIFFmemset(td->td_stripoffset_p + td->td_nstrips, 0,
|
|
delta * sizeof(uint64_t));
|
|
_TIFFmemset(td->td_stripbytecount_p + td->td_nstrips, 0,
|
|
delta * sizeof(uint64_t));
|
|
td->td_nstrips += delta;
|
|
tif->tif_flags |= TIFF_DIRTYDIRECT;
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Append the data to the specified strip.
|
|
*/
|
|
static int TIFFAppendToStrip(TIFF *tif, uint32_t strip, uint8_t *data,
|
|
tmsize_t cc)
|
|
{
|
|
static const char module[] = "TIFFAppendToStrip";
|
|
TIFFDirectory *td = &tif->tif_dir;
|
|
uint64_t m;
|
|
int64_t old_byte_count = -1;
|
|
|
|
if (tif->tif_curoff == 0)
|
|
tif->tif_lastvalidoff = 0;
|
|
|
|
if (td->td_stripoffset_p[strip] == 0 || tif->tif_curoff == 0)
|
|
{
|
|
assert(td->td_nstrips > 0);
|
|
|
|
if (td->td_stripbytecount_p[strip] != 0 &&
|
|
td->td_stripoffset_p[strip] != 0 &&
|
|
td->td_stripbytecount_p[strip] >= (uint64_t)cc)
|
|
{
|
|
/*
|
|
* There is already tile data on disk, and the new tile
|
|
* data we have will fit in the same space. The only
|
|
* aspect of this that is risky is that there could be
|
|
* more data to append to this strip before we are done
|
|
* depending on how we are getting called.
|
|
*/
|
|
if (!SeekOK(tif, td->td_stripoffset_p[strip]))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Seek error at scanline %lu",
|
|
(unsigned long)tif->tif_row);
|
|
return (0);
|
|
}
|
|
|
|
tif->tif_lastvalidoff =
|
|
td->td_stripoffset_p[strip] + td->td_stripbytecount_p[strip];
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* Seek to end of file, and set that as our location to
|
|
* write this strip.
|
|
*/
|
|
td->td_stripoffset_p[strip] = TIFFSeekFile(tif, 0, SEEK_END);
|
|
tif->tif_flags |= TIFF_DIRTYSTRIP;
|
|
}
|
|
|
|
tif->tif_curoff = td->td_stripoffset_p[strip];
|
|
|
|
/*
|
|
* We are starting a fresh strip/tile, so set the size to zero.
|
|
*/
|
|
old_byte_count = td->td_stripbytecount_p[strip];
|
|
td->td_stripbytecount_p[strip] = 0;
|
|
}
|
|
|
|
m = tif->tif_curoff + cc;
|
|
if (!(tif->tif_flags & TIFF_BIGTIFF))
|
|
m = (uint32_t)m;
|
|
if ((m < tif->tif_curoff) || (m < (uint64_t)cc))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Maximum TIFF file size exceeded");
|
|
return (0);
|
|
}
|
|
|
|
if (tif->tif_lastvalidoff != 0 && m > tif->tif_lastvalidoff &&
|
|
td->td_stripbytecount_p[strip] > 0)
|
|
{
|
|
/* Ouch: we have detected that we are rewriting in place a strip/tile */
|
|
/* with several calls to TIFFAppendToStrip(). The first call was with */
|
|
/* a size smaller than the previous size of the strip/tile, so we */
|
|
/* opted to rewrite in place, but a following call causes us to go */
|
|
/* outsize of the strip/tile area, so we have to finally go for a */
|
|
/* append-at-end-of-file strategy, and start by moving what we already
|
|
*/
|
|
/* wrote. */
|
|
tmsize_t tempSize;
|
|
void *temp;
|
|
uint64_t offsetRead;
|
|
uint64_t offsetWrite;
|
|
uint64_t toCopy = td->td_stripbytecount_p[strip];
|
|
|
|
if (toCopy < 1024 * 1024)
|
|
tempSize = (tmsize_t)toCopy;
|
|
else
|
|
tempSize = 1024 * 1024;
|
|
|
|
offsetRead = td->td_stripoffset_p[strip];
|
|
offsetWrite = TIFFSeekFile(tif, 0, SEEK_END);
|
|
|
|
m = offsetWrite + toCopy + cc;
|
|
if (!(tif->tif_flags & TIFF_BIGTIFF) && m != (uint32_t)m)
|
|
{
|
|
TIFFErrorExtR(tif, module, "Maximum TIFF file size exceeded");
|
|
return (0);
|
|
}
|
|
|
|
temp = _TIFFmallocExt(tif, tempSize);
|
|
if (temp == NULL)
|
|
{
|
|
TIFFErrorExtR(tif, module, "No space for output buffer");
|
|
return (0);
|
|
}
|
|
|
|
tif->tif_flags |= TIFF_DIRTYSTRIP;
|
|
|
|
td->td_stripoffset_p[strip] = offsetWrite;
|
|
td->td_stripbytecount_p[strip] = 0;
|
|
|
|
/* Move data written by previous calls to us at end of file */
|
|
while (toCopy > 0)
|
|
{
|
|
if (!SeekOK(tif, offsetRead))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Seek error");
|
|
_TIFFfreeExt(tif, temp);
|
|
return (0);
|
|
}
|
|
if (!ReadOK(tif, temp, tempSize))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Cannot read");
|
|
_TIFFfreeExt(tif, temp);
|
|
return (0);
|
|
}
|
|
if (!SeekOK(tif, offsetWrite))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Seek error");
|
|
_TIFFfreeExt(tif, temp);
|
|
return (0);
|
|
}
|
|
if (!WriteOK(tif, temp, tempSize))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Cannot write");
|
|
_TIFFfreeExt(tif, temp);
|
|
return (0);
|
|
}
|
|
offsetRead += tempSize;
|
|
offsetWrite += tempSize;
|
|
td->td_stripbytecount_p[strip] += tempSize;
|
|
toCopy -= tempSize;
|
|
}
|
|
_TIFFfreeExt(tif, temp);
|
|
|
|
/* Append the data of this call */
|
|
offsetWrite += cc;
|
|
m = offsetWrite;
|
|
}
|
|
|
|
if (!WriteOK(tif, data, cc))
|
|
{
|
|
TIFFErrorExtR(tif, module, "Write error at scanline %lu",
|
|
(unsigned long)tif->tif_row);
|
|
return (0);
|
|
}
|
|
tif->tif_curoff = m;
|
|
td->td_stripbytecount_p[strip] += cc;
|
|
|
|
if ((int64_t)td->td_stripbytecount_p[strip] != old_byte_count)
|
|
tif->tif_flags |= TIFF_DIRTYSTRIP;
|
|
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Internal version of TIFFFlushData that can be
|
|
* called by ``encodestrip routines'' w/o concern
|
|
* for infinite recursion.
|
|
*/
|
|
int TIFFFlushData1(TIFF *tif)
|
|
{
|
|
if (tif->tif_rawcc > 0 && tif->tif_flags & TIFF_BUF4WRITE)
|
|
{
|
|
if (!isFillOrder(tif, tif->tif_dir.td_fillorder) &&
|
|
(tif->tif_flags & TIFF_NOBITREV) == 0)
|
|
TIFFReverseBits((uint8_t *)tif->tif_rawdata, tif->tif_rawcc);
|
|
if (!TIFFAppendToStrip(
|
|
tif, isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip,
|
|
tif->tif_rawdata, tif->tif_rawcc))
|
|
{
|
|
/* We update those variables even in case of error since there's */
|
|
/* code that doesn't really check the return code of this */
|
|
/* function */
|
|
tif->tif_rawcc = 0;
|
|
tif->tif_rawcp = tif->tif_rawdata;
|
|
return (0);
|
|
}
|
|
tif->tif_rawcc = 0;
|
|
tif->tif_rawcp = tif->tif_rawdata;
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Set the current write offset. This should only be
|
|
* used to set the offset to a known previous location
|
|
* (very carefully), or to 0 so that the next write gets
|
|
* appended to the end of the file.
|
|
*/
|
|
void TIFFSetWriteOffset(TIFF *tif, toff_t off)
|
|
{
|
|
tif->tif_curoff = off;
|
|
tif->tif_lastvalidoff = 0;
|
|
}
|