mirror of
https://github.com/opencv/opencv.git
synced 2024-12-16 02:19:12 +08:00
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>
459 lines
14 KiB
C
459 lines
14 KiB
C
/*
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* Copyright (c) 1991-1997 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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* Auxiliary Support Routines.
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*/
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#include "tif_predict.h"
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#include "tiffiop.h"
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#include <float.h>
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#include <math.h>
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uint32_t _TIFFMultiply32(TIFF *tif, uint32_t first, uint32_t second,
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const char *where)
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{
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if (second && first > UINT32_MAX / second)
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{
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TIFFErrorExtR(tif, where, "Integer overflow in %s", where);
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return 0;
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}
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return first * second;
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}
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uint64_t _TIFFMultiply64(TIFF *tif, uint64_t first, uint64_t second,
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const char *where)
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{
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if (second && first > UINT64_MAX / second)
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{
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TIFFErrorExtR(tif, where, "Integer overflow in %s", where);
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return 0;
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}
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return first * second;
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}
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tmsize_t _TIFFMultiplySSize(TIFF *tif, tmsize_t first, tmsize_t second,
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const char *where)
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{
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if (first <= 0 || second <= 0)
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{
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if (tif != NULL && where != NULL)
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{
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TIFFErrorExtR(tif, where,
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"Invalid argument to _TIFFMultiplySSize() in %s",
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where);
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}
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return 0;
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}
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if (first > TIFF_TMSIZE_T_MAX / second)
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{
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if (tif != NULL && where != NULL)
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{
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TIFFErrorExtR(tif, where, "Integer overflow in %s", where);
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}
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return 0;
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}
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return first * second;
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}
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tmsize_t _TIFFCastUInt64ToSSize(TIFF *tif, uint64_t val, const char *module)
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{
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if (val > (uint64_t)TIFF_TMSIZE_T_MAX)
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{
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if (tif != NULL && module != NULL)
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{
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TIFFErrorExtR(tif, module, "Integer overflow");
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}
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return 0;
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}
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return (tmsize_t)val;
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}
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void *_TIFFCheckRealloc(TIFF *tif, void *buffer, tmsize_t nmemb,
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tmsize_t elem_size, const char *what)
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{
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void *cp = NULL;
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tmsize_t count = _TIFFMultiplySSize(tif, nmemb, elem_size, NULL);
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/*
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* Check for integer overflow.
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*/
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if (count != 0)
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{
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cp = _TIFFreallocExt(tif, buffer, count);
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}
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if (cp == NULL)
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{
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TIFFErrorExtR(tif, tif->tif_name,
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"Failed to allocate memory for %s "
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"(%" TIFF_SSIZE_FORMAT " elements of %" TIFF_SSIZE_FORMAT
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" bytes each)",
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what, nmemb, elem_size);
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}
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return cp;
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}
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void *_TIFFCheckMalloc(TIFF *tif, tmsize_t nmemb, tmsize_t elem_size,
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const char *what)
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{
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return _TIFFCheckRealloc(tif, NULL, nmemb, elem_size, what);
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}
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static int TIFFDefaultTransferFunction(TIFF *tif, TIFFDirectory *td)
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{
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uint16_t **tf = td->td_transferfunction;
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tmsize_t i, n, nbytes;
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tf[0] = tf[1] = tf[2] = 0;
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if (td->td_bitspersample >= sizeof(tmsize_t) * 8 - 2)
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return 0;
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n = ((tmsize_t)1) << td->td_bitspersample;
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nbytes = n * sizeof(uint16_t);
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tf[0] = (uint16_t *)_TIFFmallocExt(tif, nbytes);
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if (tf[0] == NULL)
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return 0;
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tf[0][0] = 0;
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for (i = 1; i < n; i++)
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{
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double t = (double)i / ((double)n - 1.);
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tf[0][i] = (uint16_t)floor(65535. * pow(t, 2.2) + .5);
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}
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if (td->td_samplesperpixel - td->td_extrasamples > 1)
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{
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tf[1] = (uint16_t *)_TIFFmallocExt(tif, nbytes);
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if (tf[1] == NULL)
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goto bad;
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_TIFFmemcpy(tf[1], tf[0], nbytes);
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tf[2] = (uint16_t *)_TIFFmallocExt(tif, nbytes);
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if (tf[2] == NULL)
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goto bad;
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_TIFFmemcpy(tf[2], tf[0], nbytes);
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}
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return 1;
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bad:
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if (tf[0])
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_TIFFfreeExt(tif, tf[0]);
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if (tf[1])
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_TIFFfreeExt(tif, tf[1]);
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if (tf[2])
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_TIFFfreeExt(tif, tf[2]);
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tf[0] = tf[1] = tf[2] = 0;
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return 0;
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}
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static int TIFFDefaultRefBlackWhite(TIFF *tif, TIFFDirectory *td)
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{
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int i;
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td->td_refblackwhite = (float *)_TIFFmallocExt(tif, 6 * sizeof(float));
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if (td->td_refblackwhite == NULL)
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return 0;
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if (td->td_photometric == PHOTOMETRIC_YCBCR)
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{
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/*
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* YCbCr (Class Y) images must have the ReferenceBlackWhite
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* tag set. Fix the broken images, which lacks that tag.
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*/
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td->td_refblackwhite[0] = 0.0F;
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td->td_refblackwhite[1] = td->td_refblackwhite[3] =
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td->td_refblackwhite[5] = 255.0F;
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td->td_refblackwhite[2] = td->td_refblackwhite[4] = 128.0F;
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}
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else
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{
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/*
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* Assume RGB (Class R)
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*/
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for (i = 0; i < 3; i++)
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{
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td->td_refblackwhite[2 * i + 0] = 0;
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td->td_refblackwhite[2 * i + 1] =
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(float)((1L << td->td_bitspersample) - 1L);
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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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* Like TIFFGetField, but return any default
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* value if the tag is not present in the directory.
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*
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* NB: We use the value in the directory, rather than
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* explicit values so that defaults exist only one
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* place in the library -- in TIFFDefaultDirectory.
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*/
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int TIFFVGetFieldDefaulted(TIFF *tif, uint32_t tag, va_list ap)
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{
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TIFFDirectory *td = &tif->tif_dir;
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if (TIFFVGetField(tif, tag, ap))
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return (1);
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switch (tag)
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{
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case TIFFTAG_SUBFILETYPE:
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*va_arg(ap, uint32_t *) = td->td_subfiletype;
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return (1);
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case TIFFTAG_BITSPERSAMPLE:
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*va_arg(ap, uint16_t *) = td->td_bitspersample;
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return (1);
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case TIFFTAG_THRESHHOLDING:
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*va_arg(ap, uint16_t *) = td->td_threshholding;
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return (1);
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case TIFFTAG_FILLORDER:
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*va_arg(ap, uint16_t *) = td->td_fillorder;
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return (1);
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case TIFFTAG_ORIENTATION:
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*va_arg(ap, uint16_t *) = td->td_orientation;
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return (1);
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case TIFFTAG_SAMPLESPERPIXEL:
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*va_arg(ap, uint16_t *) = td->td_samplesperpixel;
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return (1);
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case TIFFTAG_ROWSPERSTRIP:
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*va_arg(ap, uint32_t *) = td->td_rowsperstrip;
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return (1);
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case TIFFTAG_MINSAMPLEVALUE:
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*va_arg(ap, uint16_t *) = td->td_minsamplevalue;
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return (1);
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case TIFFTAG_MAXSAMPLEVALUE:
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{
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uint16_t maxsamplevalue;
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/* td_bitspersample=1 is always set in TIFFDefaultDirectory().
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* Therefore, td_maxsamplevalue has to be re-calculated in
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* TIFFGetFieldDefaulted(). */
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if (td->td_bitspersample > 0)
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{
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/* This shift operation into a uint16_t limits the value to
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* 65535 even if td_bitspersamle is > 16 */
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if (td->td_bitspersample <= 16)
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{
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maxsamplevalue = (1 << td->td_bitspersample) -
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1; /* 2**(BitsPerSample) - 1 */
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}
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else
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{
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maxsamplevalue = 65535;
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}
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}
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else
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{
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maxsamplevalue = 0;
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}
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*va_arg(ap, uint16_t *) = maxsamplevalue;
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return (1);
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}
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case TIFFTAG_PLANARCONFIG:
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*va_arg(ap, uint16_t *) = td->td_planarconfig;
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return (1);
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case TIFFTAG_RESOLUTIONUNIT:
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*va_arg(ap, uint16_t *) = td->td_resolutionunit;
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return (1);
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case TIFFTAG_PREDICTOR:
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{
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TIFFPredictorState *sp = (TIFFPredictorState *)tif->tif_data;
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if (sp == NULL)
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{
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TIFFErrorExtR(
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tif, tif->tif_name,
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"Cannot get \"Predictor\" tag as plugin is not configured");
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*va_arg(ap, uint16_t *) = 0;
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return 0;
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}
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*va_arg(ap, uint16_t *) = (uint16_t)sp->predictor;
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return 1;
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}
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case TIFFTAG_DOTRANGE:
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*va_arg(ap, uint16_t *) = 0;
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*va_arg(ap, uint16_t *) = (1 << td->td_bitspersample) - 1;
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return (1);
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case TIFFTAG_INKSET:
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*va_arg(ap, uint16_t *) = INKSET_CMYK;
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return 1;
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case TIFFTAG_NUMBEROFINKS:
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*va_arg(ap, uint16_t *) = 4;
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return (1);
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case TIFFTAG_EXTRASAMPLES:
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*va_arg(ap, uint16_t *) = td->td_extrasamples;
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*va_arg(ap, const uint16_t **) = td->td_sampleinfo;
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return (1);
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case TIFFTAG_MATTEING:
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*va_arg(ap, uint16_t *) =
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(td->td_extrasamples == 1 &&
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td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);
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return (1);
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case TIFFTAG_TILEDEPTH:
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*va_arg(ap, uint32_t *) = td->td_tiledepth;
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return (1);
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case TIFFTAG_DATATYPE:
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*va_arg(ap, uint16_t *) = td->td_sampleformat - 1;
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return (1);
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case TIFFTAG_SAMPLEFORMAT:
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*va_arg(ap, uint16_t *) = td->td_sampleformat;
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return (1);
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case TIFFTAG_IMAGEDEPTH:
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*va_arg(ap, uint32_t *) = td->td_imagedepth;
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return (1);
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case TIFFTAG_YCBCRCOEFFICIENTS:
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{
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/* defaults are from CCIR Recommendation 601-1 */
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static const float ycbcrcoeffs[] = {0.299f, 0.587f, 0.114f};
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*va_arg(ap, const float **) = ycbcrcoeffs;
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return 1;
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}
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case TIFFTAG_YCBCRSUBSAMPLING:
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*va_arg(ap, uint16_t *) = td->td_ycbcrsubsampling[0];
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*va_arg(ap, uint16_t *) = td->td_ycbcrsubsampling[1];
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return (1);
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case TIFFTAG_YCBCRPOSITIONING:
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*va_arg(ap, uint16_t *) = td->td_ycbcrpositioning;
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return (1);
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case TIFFTAG_WHITEPOINT:
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{
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/* TIFF 6.0 specification tells that it is no default
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value for the WhitePoint, but AdobePhotoshop TIFF
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Technical Note tells that it should be CIE D50. */
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static const float whitepoint[] = {
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D50_X0 / (D50_X0 + D50_Y0 + D50_Z0),
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D50_Y0 / (D50_X0 + D50_Y0 + D50_Z0)};
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*va_arg(ap, const float **) = whitepoint;
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return 1;
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}
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case TIFFTAG_TRANSFERFUNCTION:
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if (!td->td_transferfunction[0] &&
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!TIFFDefaultTransferFunction(tif, td))
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{
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TIFFErrorExtR(tif, tif->tif_name,
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"No space for \"TransferFunction\" tag");
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return (0);
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}
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*va_arg(ap, const uint16_t **) = td->td_transferfunction[0];
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if (td->td_samplesperpixel - td->td_extrasamples > 1)
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{
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*va_arg(ap, const uint16_t **) = td->td_transferfunction[1];
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*va_arg(ap, const uint16_t **) = td->td_transferfunction[2];
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}
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return (1);
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case TIFFTAG_REFERENCEBLACKWHITE:
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if (!td->td_refblackwhite && !TIFFDefaultRefBlackWhite(tif, td))
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return (0);
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*va_arg(ap, const float **) = td->td_refblackwhite;
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return (1);
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}
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return 0;
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}
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/*
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* Like TIFFGetField, but return any default
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* value if the tag is not present in the directory.
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*/
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int TIFFGetFieldDefaulted(TIFF *tif, uint32_t tag, ...)
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{
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int ok;
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va_list ap;
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va_start(ap, tag);
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ok = TIFFVGetFieldDefaulted(tif, tag, ap);
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va_end(ap);
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return (ok);
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}
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struct _Int64Parts
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{
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int32_t low, high;
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};
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typedef union
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{
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struct _Int64Parts part;
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int64_t value;
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} _Int64;
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float _TIFFUInt64ToFloat(uint64_t ui64)
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{
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_Int64 i;
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i.value = ui64;
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if (i.part.high >= 0)
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{
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return (float)i.value;
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}
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else
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{
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long double df;
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df = (long double)i.value;
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df += 18446744073709551616.0; /* adding 2**64 */
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return (float)df;
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}
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}
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double _TIFFUInt64ToDouble(uint64_t ui64)
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{
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_Int64 i;
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i.value = ui64;
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if (i.part.high >= 0)
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{
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return (double)i.value;
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}
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else
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{
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long double df;
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df = (long double)i.value;
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df += 18446744073709551616.0; /* adding 2**64 */
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return (double)df;
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}
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}
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float _TIFFClampDoubleToFloat(double val)
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{
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if (val > FLT_MAX)
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return FLT_MAX;
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if (val < -FLT_MAX)
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return -FLT_MAX;
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return (float)val;
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}
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uint32_t _TIFFClampDoubleToUInt32(double val)
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{
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if (val < 0)
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return 0;
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if (val > 0xFFFFFFFFU || val != val)
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return 0xFFFFFFFFU;
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return (uint32_t)val;
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}
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int _TIFFSeekOK(TIFF *tif, toff_t off)
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{
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/* Huge offsets, especially -1 / UINT64_MAX, can cause issues */
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/* See http://bugzilla.maptools.org/show_bug.cgi?id=2726 */
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return off <= (~(uint64_t)0) / 2 && TIFFSeekFile(tif, off, SEEK_SET) == off;
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}
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