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Fixup the postdecode settings responsible for byte swapping

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complex image data.
This commit is contained in:
Frank Warmerdam 2003-02-26 20:38:49 +00:00
parent 248cfa159d
commit 2e9e428515
1 changed files with 16 additions and 1 deletions
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17
libtiff/tif_dir.c
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@ -1,4 +1,4 @@
/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v 1.26 2002-12-03 04:33:02 warmerda Exp $ */ /* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/tif_dir.c,v 1.27 2003-02-26 20:38:49 warmerda Exp $ */
/* /*
* Copyright (c) 1988-1997 Sam Leffler * Copyright (c) 1988-1997 Sam Leffler
@ -342,6 +342,21 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap)
if (v < SAMPLEFORMAT_UINT || SAMPLEFORMAT_COMPLEXIEEEFP < v) if (v < SAMPLEFORMAT_UINT || SAMPLEFORMAT_COMPLEXIEEEFP < v)
goto badvalue; goto badvalue;
td->td_sampleformat = (uint16) v; td->td_sampleformat = (uint16) v;
/* Try to fix up the SWAB function for complex data. */
if( td->td_sampleformat == SAMPLEFORMAT_COMPLEXINT
&& td->td_bitspersample == 32
&& tif->tif_postdecode == _TIFFSwab32BitData )
tif->tif_postdecode = _TIFFSwab16BitData;
else if( (td->td_sampleformat == SAMPLEFORMAT_COMPLEXINT
|| td->td_sampleformat == SAMPLEFORMAT_COMPLEXIEEEFP)
&& td->td_bitspersample == 64
&& tif->tif_postdecode == _TIFFSwab64BitData )
tif->tif_postdecode = _TIFFSwab32BitData;
else if( td->td_sampleformat == SAMPLEFORMAT_COMPLEXIEEEFP
&& td->td_bitspersample == 128
&& tif->tif_postdecode == NULL )
tif->tif_postdecode = _TIFFSwab64BitData;
break; break;
case TIFFTAG_IMAGEDEPTH: case TIFFTAG_IMAGEDEPTH:
td->td_imagedepth = va_arg(ap, uint32); td->td_imagedepth = va_arg(ap, uint32);