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-rw-r--r--src/3rdparty/libtiff/libtiff/tif_aux.c651
1 files changed, 345 insertions, 306 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_aux.c b/src/3rdparty/libtiff/libtiff/tif_aux.c
index 8188db5..49855bb 100644
--- a/src/3rdparty/libtiff/libtiff/tif_aux.c
+++ b/src/3rdparty/libtiff/libtiff/tif_aux.c
@@ -2,23 +2,23 @@
* Copyright (c) 1991-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
- * Permission to use, copy, modify, distribute, and sell this software and
+ * 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.
- *
+ *
+ * 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
+ * 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.
*/
@@ -27,173 +27,180 @@
*
* Auxiliary Support Routines.
*/
-#include "tiffiop.h"
#include "tif_predict.h"
-#include <math.h>
+#include "tiffiop.h"
#include <float.h>
+#include <math.h>
-uint32
-_TIFFMultiply32(TIFF* tif, uint32 first, uint32 second, const char* where)
+uint32_t _TIFFMultiply32(TIFF *tif, uint32_t first, uint32_t second,
+ const char *where)
{
- if (second && first > TIFF_UINT32_MAX / second) {
- TIFFErrorExt(tif->tif_clientdata, where, "Integer overflow in %s", where);
- return 0;
- }
+ if (second && first > UINT32_MAX / second)
+ {
+ TIFFErrorExtR(tif, where, "Integer overflow in %s", where);
+ return 0;
+ }
- return first * second;
+ return first * second;
}
-uint64
-_TIFFMultiply64(TIFF* tif, uint64 first, uint64 second, const char* where)
+uint64_t _TIFFMultiply64(TIFF *tif, uint64_t first, uint64_t second,
+ const char *where)
{
- if (second && first > TIFF_UINT64_MAX / second) {
- TIFFErrorExt(tif->tif_clientdata, where, "Integer overflow in %s", where);
- return 0;
- }
+ if (second && first > UINT64_MAX / second)
+ {
+ TIFFErrorExtR(tif, where, "Integer overflow in %s", where);
+ return 0;
+ }
- return first * second;
+ return first * second;
}
-tmsize_t
-_TIFFMultiplySSize(TIFF* tif, tmsize_t first, tmsize_t second, const char* where)
+tmsize_t _TIFFMultiplySSize(TIFF *tif, tmsize_t first, tmsize_t second,
+ const char *where)
{
- if( first <= 0 || second <= 0 )
+ if (first <= 0 || second <= 0)
{
- if( tif != NULL && where != NULL )
+ if (tif != NULL && where != NULL)
{
- TIFFErrorExt(tif->tif_clientdata, where,
- "Invalid argument to _TIFFMultiplySSize() in %s", where);
+ TIFFErrorExtR(tif, where,
+ "Invalid argument to _TIFFMultiplySSize() in %s",
+ where);
}
return 0;
}
- if( first > TIFF_TMSIZE_T_MAX / second )
+ if (first > TIFF_TMSIZE_T_MAX / second)
{
- if( tif != NULL && where != NULL )
+ if (tif != NULL && where != NULL)
{
- TIFFErrorExt(tif->tif_clientdata, where,
- "Integer overflow in %s", where);
+ TIFFErrorExtR(tif, where, "Integer overflow in %s", where);
}
return 0;
}
return first * second;
}
-tmsize_t _TIFFCastUInt64ToSSize(TIFF* tif, uint64 val, const char* module)
+tmsize_t _TIFFCastUInt64ToSSize(TIFF *tif, uint64_t val, const char *module)
{
- if( val > (uint64)TIFF_TMSIZE_T_MAX )
+ if (val > (uint64_t)TIFF_TMSIZE_T_MAX)
{
- if( tif != NULL && module != NULL )
+ if (tif != NULL && module != NULL)
{
- TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow");
+ TIFFErrorExtR(tif, module, "Integer overflow");
}
return 0;
}
return (tmsize_t)val;
}
-void*
-_TIFFCheckRealloc(TIFF* tif, void* buffer,
- tmsize_t nmemb, tmsize_t elem_size, const char* what)
+void *_TIFFCheckRealloc(TIFF *tif, void *buffer, tmsize_t nmemb,
+ tmsize_t elem_size, const char *what)
{
- void* cp = NULL;
- tmsize_t count = _TIFFMultiplySSize(tif, nmemb, elem_size, NULL);
- /*
- * Check for integer overflow.
- */
- if (count != 0)
- {
- cp = _TIFFrealloc(buffer, count);
- }
-
- if (cp == NULL) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "Failed to allocate memory for %s "
- "(%ld elements of %ld bytes each)",
- what,(long) nmemb, (long) elem_size);
- }
-
- return cp;
+ void *cp = NULL;
+ tmsize_t count = _TIFFMultiplySSize(tif, nmemb, elem_size, NULL);
+ /*
+ * Check for integer overflow.
+ */
+ if (count != 0)
+ {
+ cp = _TIFFreallocExt(tif, buffer, count);
+ }
+
+ if (cp == NULL)
+ {
+ TIFFErrorExtR(tif, tif->tif_name,
+ "Failed to allocate memory for %s "
+ "(%" TIFF_SSIZE_FORMAT " elements of %" TIFF_SSIZE_FORMAT
+ " bytes each)",
+ what, nmemb, elem_size);
+ }
+
+ return cp;
}
-void*
-_TIFFCheckMalloc(TIFF* tif, tmsize_t nmemb, tmsize_t elem_size, const char* what)
+void *_TIFFCheckMalloc(TIFF *tif, tmsize_t nmemb, tmsize_t elem_size,
+ const char *what)
{
- return _TIFFCheckRealloc(tif, NULL, nmemb, elem_size, what);
+ return _TIFFCheckRealloc(tif, NULL, nmemb, elem_size, what);
}
-static int
-TIFFDefaultTransferFunction(TIFFDirectory* td)
+static int TIFFDefaultTransferFunction(TIFF *tif, TIFFDirectory *td)
{
- uint16 **tf = td->td_transferfunction;
- tmsize_t i, n, nbytes;
-
- tf[0] = tf[1] = tf[2] = 0;
- if (td->td_bitspersample >= sizeof(tmsize_t) * 8 - 2)
- return 0;
-
- n = ((tmsize_t)1)<<td->td_bitspersample;
- nbytes = n * sizeof (uint16);
- tf[0] = (uint16 *)_TIFFmalloc(nbytes);
- if (tf[0] == NULL)
- return 0;
- tf[0][0] = 0;
- for (i = 1; i < n; i++) {
- double t = (double)i/((double) n-1.);
- tf[0][i] = (uint16)floor(65535.*pow(t, 2.2) + .5);
- }
-
- if (td->td_samplesperpixel - td->td_extrasamples > 1) {
- tf[1] = (uint16 *)_TIFFmalloc(nbytes);
- if(tf[1] == NULL)
- goto bad;
- _TIFFmemcpy(tf[1], tf[0], nbytes);
- tf[2] = (uint16 *)_TIFFmalloc(nbytes);
- if (tf[2] == NULL)
- goto bad;
- _TIFFmemcpy(tf[2], tf[0], nbytes);
- }
- return 1;
+ uint16_t **tf = td->td_transferfunction;
+ tmsize_t i, n, nbytes;
+
+ tf[0] = tf[1] = tf[2] = 0;
+ if (td->td_bitspersample >= sizeof(tmsize_t) * 8 - 2)
+ return 0;
+
+ n = ((tmsize_t)1) << td->td_bitspersample;
+ nbytes = n * sizeof(uint16_t);
+ tf[0] = (uint16_t *)_TIFFmallocExt(tif, nbytes);
+ if (tf[0] == NULL)
+ return 0;
+ tf[0][0] = 0;
+ for (i = 1; i < n; i++)
+ {
+ double t = (double)i / ((double)n - 1.);
+ tf[0][i] = (uint16_t)floor(65535. * pow(t, 2.2) + .5);
+ }
+
+ if (td->td_samplesperpixel - td->td_extrasamples > 1)
+ {
+ tf[1] = (uint16_t *)_TIFFmallocExt(tif, nbytes);
+ if (tf[1] == NULL)
+ goto bad;
+ _TIFFmemcpy(tf[1], tf[0], nbytes);
+ tf[2] = (uint16_t *)_TIFFmallocExt(tif, nbytes);
+ if (tf[2] == NULL)
+ goto bad;
+ _TIFFmemcpy(tf[2], tf[0], nbytes);
+ }
+ return 1;
bad:
- if (tf[0])
- _TIFFfree(tf[0]);
- if (tf[1])
- _TIFFfree(tf[1]);
- if (tf[2])
- _TIFFfree(tf[2]);
- tf[0] = tf[1] = tf[2] = 0;
- return 0;
+ if (tf[0])
+ _TIFFfreeExt(tif, tf[0]);
+ if (tf[1])
+ _TIFFfreeExt(tif, tf[1]);
+ if (tf[2])
+ _TIFFfreeExt(tif, tf[2]);
+ tf[0] = tf[1] = tf[2] = 0;
+ return 0;
}
-static int
-TIFFDefaultRefBlackWhite(TIFFDirectory* td)
+static int TIFFDefaultRefBlackWhite(TIFF *tif, TIFFDirectory *td)
{
- int i;
-
- td->td_refblackwhite = (float *)_TIFFmalloc(6*sizeof (float));
- if (td->td_refblackwhite == NULL)
- return 0;
- if (td->td_photometric == PHOTOMETRIC_YCBCR) {
- /*
- * YCbCr (Class Y) images must have the ReferenceBlackWhite
- * tag set. Fix the broken images, which lacks that tag.
- */
- td->td_refblackwhite[0] = 0.0F;
- td->td_refblackwhite[1] = td->td_refblackwhite[3] =
- td->td_refblackwhite[5] = 255.0F;
- td->td_refblackwhite[2] = td->td_refblackwhite[4] = 128.0F;
- } else {
- /*
- * Assume RGB (Class R)
- */
- for (i = 0; i < 3; i++) {
- td->td_refblackwhite[2*i+0] = 0;
- td->td_refblackwhite[2*i+1] =
- (float)((1L<<td->td_bitspersample)-1L);
- }
- }
- return 1;
+ int i;
+
+ td->td_refblackwhite = (float *)_TIFFmallocExt(tif, 6 * sizeof(float));
+ if (td->td_refblackwhite == NULL)
+ return 0;
+ if (td->td_photometric == PHOTOMETRIC_YCBCR)
+ {
+ /*
+ * YCbCr (Class Y) images must have the ReferenceBlackWhite
+ * tag set. Fix the broken images, which lacks that tag.
+ */
+ td->td_refblackwhite[0] = 0.0F;
+ td->td_refblackwhite[1] = td->td_refblackwhite[3] =
+ td->td_refblackwhite[5] = 255.0F;
+ td->td_refblackwhite[2] = td->td_refblackwhite[4] = 128.0F;
+ }
+ else
+ {
+ /*
+ * Assume RGB (Class R)
+ */
+ for (i = 0; i < 3; i++)
+ {
+ td->td_refblackwhite[2 * i + 0] = 0;
+ td->td_refblackwhite[2 * i + 1] =
+ (float)((1L << td->td_bitspersample) - 1L);
+ }
+ }
+ return 1;
}
/*
@@ -204,216 +211,248 @@ TIFFDefaultRefBlackWhite(TIFFDirectory* td)
* explicit values so that defaults exist only one
* place in the library -- in TIFFDefaultDirectory.
*/
-int
-TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap)
+int TIFFVGetFieldDefaulted(TIFF *tif, uint32_t tag, va_list ap)
{
- TIFFDirectory *td = &tif->tif_dir;
-
- if (TIFFVGetField(tif, tag, ap))
- return (1);
- switch (tag) {
- case TIFFTAG_SUBFILETYPE:
- *va_arg(ap, uint32 *) = td->td_subfiletype;
- return (1);
- case TIFFTAG_BITSPERSAMPLE:
- *va_arg(ap, uint16 *) = td->td_bitspersample;
- return (1);
- case TIFFTAG_THRESHHOLDING:
- *va_arg(ap, uint16 *) = td->td_threshholding;
- return (1);
- case TIFFTAG_FILLORDER:
- *va_arg(ap, uint16 *) = td->td_fillorder;
- return (1);
- case TIFFTAG_ORIENTATION:
- *va_arg(ap, uint16 *) = td->td_orientation;
- return (1);
- case TIFFTAG_SAMPLESPERPIXEL:
- *va_arg(ap, uint16 *) = td->td_samplesperpixel;
- return (1);
- case TIFFTAG_ROWSPERSTRIP:
- *va_arg(ap, uint32 *) = td->td_rowsperstrip;
- return (1);
- case TIFFTAG_MINSAMPLEVALUE:
- *va_arg(ap, uint16 *) = td->td_minsamplevalue;
- return (1);
- case TIFFTAG_MAXSAMPLEVALUE:
- *va_arg(ap, uint16 *) = td->td_maxsamplevalue;
- return (1);
- case TIFFTAG_PLANARCONFIG:
- *va_arg(ap, uint16 *) = td->td_planarconfig;
- return (1);
- case TIFFTAG_RESOLUTIONUNIT:
- *va_arg(ap, uint16 *) = td->td_resolutionunit;
- return (1);
- case TIFFTAG_PREDICTOR:
+ TIFFDirectory *td = &tif->tif_dir;
+
+ if (TIFFVGetField(tif, tag, ap))
+ return (1);
+ switch (tag)
{
- TIFFPredictorState* sp = (TIFFPredictorState*) tif->tif_data;
- if( sp == NULL )
+ case TIFFTAG_SUBFILETYPE:
+ *va_arg(ap, uint32_t *) = td->td_subfiletype;
+ return (1);
+ case TIFFTAG_BITSPERSAMPLE:
+ *va_arg(ap, uint16_t *) = td->td_bitspersample;
+ return (1);
+ case TIFFTAG_THRESHHOLDING:
+ *va_arg(ap, uint16_t *) = td->td_threshholding;
+ return (1);
+ case TIFFTAG_FILLORDER:
+ *va_arg(ap, uint16_t *) = td->td_fillorder;
+ return (1);
+ case TIFFTAG_ORIENTATION:
+ *va_arg(ap, uint16_t *) = td->td_orientation;
+ return (1);
+ case TIFFTAG_SAMPLESPERPIXEL:
+ *va_arg(ap, uint16_t *) = td->td_samplesperpixel;
+ return (1);
+ case TIFFTAG_ROWSPERSTRIP:
+ *va_arg(ap, uint32_t *) = td->td_rowsperstrip;
+ return (1);
+ case TIFFTAG_MINSAMPLEVALUE:
+ *va_arg(ap, uint16_t *) = td->td_minsamplevalue;
+ return (1);
+ case TIFFTAG_MAXSAMPLEVALUE:
+ {
+ uint16_t maxsamplevalue;
+ /* td_bitspersample=1 is always set in TIFFDefaultDirectory().
+ * Therefore, td_maxsamplevalue has to be re-calculated in
+ * TIFFGetFieldDefaulted(). */
+ if (td->td_bitspersample > 0)
+ {
+ /* This shift operation into a uint16_t limits the value to
+ * 65535 even if td_bitspersamle is > 16 */
+ if (td->td_bitspersample <= 16)
+ {
+ maxsamplevalue = (1 << td->td_bitspersample) -
+ 1; /* 2**(BitsPerSample) - 1 */
+ }
+ else
+ {
+ maxsamplevalue = 65535;
+ }
+ }
+ else
+ {
+ maxsamplevalue = 0;
+ }
+ *va_arg(ap, uint16_t *) = maxsamplevalue;
+ return (1);
+ }
+ case TIFFTAG_PLANARCONFIG:
+ *va_arg(ap, uint16_t *) = td->td_planarconfig;
+ return (1);
+ case TIFFTAG_RESOLUTIONUNIT:
+ *va_arg(ap, uint16_t *) = td->td_resolutionunit;
+ return (1);
+ case TIFFTAG_PREDICTOR:
{
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
- "Cannot get \"Predictor\" tag as plugin is not configured");
- *va_arg(ap, uint16*) = 0;
- return 0;
+ TIFFPredictorState *sp = (TIFFPredictorState *)tif->tif_data;
+ if (sp == NULL)
+ {
+ TIFFErrorExtR(
+ tif, tif->tif_name,
+ "Cannot get \"Predictor\" tag as plugin is not configured");
+ *va_arg(ap, uint16_t *) = 0;
+ return 0;
+ }
+ *va_arg(ap, uint16_t *) = (uint16_t)sp->predictor;
+ return 1;
}
- *va_arg(ap, uint16*) = (uint16) sp->predictor;
- return 1;
+ case TIFFTAG_DOTRANGE:
+ *va_arg(ap, uint16_t *) = 0;
+ *va_arg(ap, uint16_t *) = (1 << td->td_bitspersample) - 1;
+ return (1);
+ case TIFFTAG_INKSET:
+ *va_arg(ap, uint16_t *) = INKSET_CMYK;
+ return 1;
+ case TIFFTAG_NUMBEROFINKS:
+ *va_arg(ap, uint16_t *) = 4;
+ return (1);
+ case TIFFTAG_EXTRASAMPLES:
+ *va_arg(ap, uint16_t *) = td->td_extrasamples;
+ *va_arg(ap, const uint16_t **) = td->td_sampleinfo;
+ return (1);
+ case TIFFTAG_MATTEING:
+ *va_arg(ap, uint16_t *) =
+ (td->td_extrasamples == 1 &&
+ td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);
+ return (1);
+ case TIFFTAG_TILEDEPTH:
+ *va_arg(ap, uint32_t *) = td->td_tiledepth;
+ return (1);
+ case TIFFTAG_DATATYPE:
+ *va_arg(ap, uint16_t *) = td->td_sampleformat - 1;
+ return (1);
+ case TIFFTAG_SAMPLEFORMAT:
+ *va_arg(ap, uint16_t *) = td->td_sampleformat;
+ return (1);
+ case TIFFTAG_IMAGEDEPTH:
+ *va_arg(ap, uint32_t *) = td->td_imagedepth;
+ return (1);
+ case TIFFTAG_YCBCRCOEFFICIENTS:
+ {
+ /* defaults are from CCIR Recommendation 601-1 */
+ static const float ycbcrcoeffs[] = {0.299f, 0.587f, 0.114f};
+ *va_arg(ap, const float **) = ycbcrcoeffs;
+ return 1;
+ }
+ case TIFFTAG_YCBCRSUBSAMPLING:
+ *va_arg(ap, uint16_t *) = td->td_ycbcrsubsampling[0];
+ *va_arg(ap, uint16_t *) = td->td_ycbcrsubsampling[1];
+ return (1);
+ case TIFFTAG_YCBCRPOSITIONING:
+ *va_arg(ap, uint16_t *) = td->td_ycbcrpositioning;
+ return (1);
+ case TIFFTAG_WHITEPOINT:
+ {
+ /* TIFF 6.0 specification tells that it is no default
+ value for the WhitePoint, but AdobePhotoshop TIFF
+ Technical Note tells that it should be CIE D50. */
+ static const float whitepoint[] = {
+ D50_X0 / (D50_X0 + D50_Y0 + D50_Z0),
+ D50_Y0 / (D50_X0 + D50_Y0 + D50_Z0)};
+ *va_arg(ap, const float **) = whitepoint;
+ return 1;
+ }
+ case TIFFTAG_TRANSFERFUNCTION:
+ if (!td->td_transferfunction[0] &&
+ !TIFFDefaultTransferFunction(tif, td))
+ {
+ TIFFErrorExtR(tif, tif->tif_name,
+ "No space for \"TransferFunction\" tag");
+ return (0);
+ }
+ *va_arg(ap, const uint16_t **) = td->td_transferfunction[0];
+ if (td->td_samplesperpixel - td->td_extrasamples > 1)
+ {
+ *va_arg(ap, const uint16_t **) = td->td_transferfunction[1];
+ *va_arg(ap, const uint16_t **) = td->td_transferfunction[2];
+ }
+ return (1);
+ case TIFFTAG_REFERENCEBLACKWHITE:
+ if (!td->td_refblackwhite && !TIFFDefaultRefBlackWhite(tif, td))
+ return (0);
+ *va_arg(ap, const float **) = td->td_refblackwhite;
+ return (1);
}
- case TIFFTAG_DOTRANGE:
- *va_arg(ap, uint16 *) = 0;
- *va_arg(ap, uint16 *) = (1<<td->td_bitspersample)-1;
- return (1);
- case TIFFTAG_INKSET:
- *va_arg(ap, uint16 *) = INKSET_CMYK;
- return 1;
- case TIFFTAG_NUMBEROFINKS:
- *va_arg(ap, uint16 *) = 4;
- return (1);
- case TIFFTAG_EXTRASAMPLES:
- *va_arg(ap, uint16 *) = td->td_extrasamples;
- *va_arg(ap, uint16 **) = td->td_sampleinfo;
- return (1);
- case TIFFTAG_MATTEING:
- *va_arg(ap, uint16 *) =
- (td->td_extrasamples == 1 &&
- td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA);
- return (1);
- case TIFFTAG_TILEDEPTH:
- *va_arg(ap, uint32 *) = td->td_tiledepth;
- return (1);
- case TIFFTAG_DATATYPE:
- *va_arg(ap, uint16 *) = td->td_sampleformat-1;
- return (1);
- case TIFFTAG_SAMPLEFORMAT:
- *va_arg(ap, uint16 *) = td->td_sampleformat;
- return(1);
- case TIFFTAG_IMAGEDEPTH:
- *va_arg(ap, uint32 *) = td->td_imagedepth;
- return (1);
- case TIFFTAG_YCBCRCOEFFICIENTS:
- {
- /* defaults are from CCIR Recommendation 601-1 */
- static float ycbcrcoeffs[] = { 0.299f, 0.587f, 0.114f };
- *va_arg(ap, float **) = ycbcrcoeffs;
- return 1;
- }
- case TIFFTAG_YCBCRSUBSAMPLING:
- *va_arg(ap, uint16 *) = td->td_ycbcrsubsampling[0];
- *va_arg(ap, uint16 *) = td->td_ycbcrsubsampling[1];
- return (1);
- case TIFFTAG_YCBCRPOSITIONING:
- *va_arg(ap, uint16 *) = td->td_ycbcrpositioning;
- return (1);
- case TIFFTAG_WHITEPOINT:
- {
- static float whitepoint[2];
-
- /* TIFF 6.0 specification tells that it is no default
- value for the WhitePoint, but AdobePhotoshop TIFF
- Technical Note tells that it should be CIE D50. */
- whitepoint[0] = D50_X0 / (D50_X0 + D50_Y0 + D50_Z0);
- whitepoint[1] = D50_Y0 / (D50_X0 + D50_Y0 + D50_Z0);
- *va_arg(ap, float **) = whitepoint;
- return 1;
- }
- case TIFFTAG_TRANSFERFUNCTION:
- if (!td->td_transferfunction[0] &&
- !TIFFDefaultTransferFunction(td)) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name, "No space for \"TransferFunction\" tag");
- return (0);
- }
- *va_arg(ap, uint16 **) = td->td_transferfunction[0];
- if (td->td_samplesperpixel - td->td_extrasamples > 1) {
- *va_arg(ap, uint16 **) = td->td_transferfunction[1];
- *va_arg(ap, uint16 **) = td->td_transferfunction[2];
- }
- return (1);
- case TIFFTAG_REFERENCEBLACKWHITE:
- if (!td->td_refblackwhite && !TIFFDefaultRefBlackWhite(td))
- return (0);
- *va_arg(ap, float **) = td->td_refblackwhite;
- return (1);
- }
- return 0;
+ return 0;
}
/*
* Like TIFFGetField, but return any default
* value if the tag is not present in the directory.
*/
-int
-TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...)
+int TIFFGetFieldDefaulted(TIFF *tif, uint32_t tag, ...)
{
- int ok;
- va_list ap;
+ int ok;
+ va_list ap;
- va_start(ap, tag);
- ok = TIFFVGetFieldDefaulted(tif, tag, ap);
- va_end(ap);
- return (ok);
+ va_start(ap, tag);
+ ok = TIFFVGetFieldDefaulted(tif, tag, ap);
+ va_end(ap);
+ return (ok);
}
-struct _Int64Parts {
- int32 low, high;
+struct _Int64Parts
+{
+ int32_t low, high;
};
-typedef union {
- struct _Int64Parts part;
- int64 value;
+typedef union
+{
+ struct _Int64Parts part;
+ int64_t value;
} _Int64;
-float
-_TIFFUInt64ToFloat(uint64 ui64)
+float _TIFFUInt64ToFloat(uint64_t ui64)
{
- _Int64 i;
-
- i.value = ui64;
- if (i.part.high >= 0) {
- return (float)i.value;
- } else {
- long double df;
- df = (long double)i.value;
- df += 18446744073709551616.0; /* adding 2**64 */
- return (float)df;
- }
+ _Int64 i;
+
+ i.value = ui64;
+ if (i.part.high >= 0)
+ {
+ return (float)i.value;
+ }
+ else
+ {
+ long double df;
+ df = (long double)i.value;
+ df += 18446744073709551616.0; /* adding 2**64 */
+ return (float)df;
+ }
}
-double
-_TIFFUInt64ToDouble(uint64 ui64)
+double _TIFFUInt64ToDouble(uint64_t ui64)
{
- _Int64 i;
-
- i.value = ui64;
- if (i.part.high >= 0) {
- return (double)i.value;
- } else {
- long double df;
- df = (long double)i.value;
- df += 18446744073709551616.0; /* adding 2**64 */
- return (double)df;
- }
+ _Int64 i;
+
+ i.value = ui64;
+ if (i.part.high >= 0)
+ {
+ return (double)i.value;
+ }
+ else
+ {
+ long double df;
+ df = (long double)i.value;
+ df += 18446744073709551616.0; /* adding 2**64 */
+ return (double)df;
+ }
}
-float _TIFFClampDoubleToFloat( double val )
+float _TIFFClampDoubleToFloat(double val)
{
- if( val > FLT_MAX )
+ if (val > FLT_MAX)
return FLT_MAX;
- if( val < -FLT_MAX )
+ if (val < -FLT_MAX)
return -FLT_MAX;
return (float)val;
}
-int _TIFFSeekOK(TIFF* tif, toff_t off)
+uint32_t _TIFFClampDoubleToUInt32(double val)
+{
+ if (val < 0)
+ return 0;
+ if (val > 0xFFFFFFFFU || val != val)
+ return 0xFFFFFFFFU;
+ return (uint32_t)val;
+}
+
+int _TIFFSeekOK(TIFF *tif, toff_t off)
{
/* Huge offsets, especially -1 / UINT64_MAX, can cause issues */
/* See http://bugzilla.maptools.org/show_bug.cgi?id=2726 */
- return off <= (~(uint64)0)/2 && TIFFSeekFile(tif,off,SEEK_SET)==off;
+ return off <= (~(uint64_t)0) / 2 && TIFFSeekFile(tif, off, SEEK_SET) == off;
}
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-28 21:42:31 +0000