From d479dd1aab1c1cb907932c6595b0ef33523fc797 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Fri, 6 Nov 2015 07:14:47 +0100 Subject: Imported Upstream version 1.8.3 --- tiff/libtiff/tif_strip.c | 383 ----------------------------------------------- 1 file changed, 383 deletions(-) delete mode 100755 tiff/libtiff/tif_strip.c (limited to 'tiff/libtiff/tif_strip.c') diff --git a/tiff/libtiff/tif_strip.c b/tiff/libtiff/tif_strip.c deleted file mode 100755 index 568e489..0000000 --- a/tiff/libtiff/tif_strip.c +++ /dev/null @@ -1,383 +0,0 @@ -/* $Id: tif_strip.c,v 1.35 2012-06-06 05:33:55 fwarmerdam Exp $ */ - -/* - * Copyright (c) 1991-1997 Sam Leffler - * Copyright (c) 1991-1997 Silicon Graphics, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that (i) the above copyright notices and this permission notice appear in - * all copies of the software and related documentation, and (ii) the names of - * Sam Leffler and Silicon Graphics may not be used in any advertising or - * publicity relating to the software without the specific, prior written - * permission of Sam Leffler and Silicon Graphics. - * - * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, - * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY - * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. - * - * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR - * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, - * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF - * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -/* - * TIFF Library. - * - * Strip-organized Image Support Routines. - */ -#include "tiffiop.h" - -/* - * Compute which strip a (row,sample) value is in. - */ -uint32 -TIFFComputeStrip(TIFF* tif, uint32 row, uint16 sample) -{ - static const char module[] = "TIFFComputeStrip"; - TIFFDirectory *td = &tif->tif_dir; - uint32 strip; - - strip = row / td->td_rowsperstrip; - if (td->td_planarconfig == PLANARCONFIG_SEPARATE) { - if (sample >= td->td_samplesperpixel) { - TIFFErrorExt(tif->tif_clientdata, module, - "%lu: Sample out of range, max %lu", - (unsigned long) sample, (unsigned long) td->td_samplesperpixel); - return (0); - } - strip += (uint32)sample*td->td_stripsperimage; - } - return (strip); -} - -/* - * Compute how many strips are in an image. - */ -uint32 -TIFFNumberOfStrips(TIFF* tif) -{ - TIFFDirectory *td = &tif->tif_dir; - uint32 nstrips; - - nstrips = (td->td_rowsperstrip == (uint32) -1 ? 1 : - TIFFhowmany_32(td->td_imagelength, td->td_rowsperstrip)); - if (td->td_planarconfig == PLANARCONFIG_SEPARATE) - nstrips = _TIFFMultiply32(tif, nstrips, (uint32)td->td_samplesperpixel, - "TIFFNumberOfStrips"); - return (nstrips); -} - -/* - * Compute the # bytes in a variable height, row-aligned strip. - */ -uint64 -TIFFVStripSize64(TIFF* tif, uint32 nrows) -{ - static const char module[] = "TIFFVStripSize64"; - TIFFDirectory *td = &tif->tif_dir; - if (nrows==(uint32)(-1)) - nrows=td->td_imagelength; - if ((td->td_planarconfig==PLANARCONFIG_CONTIG)&& - (td->td_photometric == PHOTOMETRIC_YCBCR)&& - (!isUpSampled(tif))) - { - /* - * Packed YCbCr data contain one Cb+Cr for every - * HorizontalSampling*VerticalSampling Y values. - * Must also roundup width and height when calculating - * since images that are not a multiple of the - * horizontal/vertical subsampling area include - * YCbCr data for the extended image. - */ - uint16 ycbcrsubsampling[2]; - uint16 samplingblock_samples; - uint32 samplingblocks_hor; - uint32 samplingblocks_ver; - uint64 samplingrow_samples; - uint64 samplingrow_size; - if(td->td_samplesperpixel!=3) - { - TIFFErrorExt(tif->tif_clientdata,module, - "Invalid td_samplesperpixel value"); - return 0; - } - TIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING,ycbcrsubsampling+0, - ycbcrsubsampling+1); - if ((ycbcrsubsampling[0] != 1 && ycbcrsubsampling[0] != 2 && ycbcrsubsampling[0] != 4) - ||(ycbcrsubsampling[1] != 1 && ycbcrsubsampling[1] != 2 && ycbcrsubsampling[1] != 4)) - { - TIFFErrorExt(tif->tif_clientdata,module, - "Invalid YCbCr subsampling (%dx%d)", - ycbcrsubsampling[0], - ycbcrsubsampling[1] ); - return 0; - } - samplingblock_samples=ycbcrsubsampling[0]*ycbcrsubsampling[1]+2; - samplingblocks_hor=TIFFhowmany_32(td->td_imagewidth,ycbcrsubsampling[0]); - samplingblocks_ver=TIFFhowmany_32(nrows,ycbcrsubsampling[1]); - samplingrow_samples=_TIFFMultiply64(tif,samplingblocks_hor,samplingblock_samples,module); - samplingrow_size=TIFFhowmany8_64(_TIFFMultiply64(tif,samplingrow_samples,td->td_bitspersample,module)); - return(_TIFFMultiply64(tif,samplingrow_size,samplingblocks_ver,module)); - } - else - return(_TIFFMultiply64(tif,nrows,TIFFScanlineSize64(tif),module)); -} -tmsize_t -TIFFVStripSize(TIFF* tif, uint32 nrows) -{ - static const char module[] = "TIFFVStripSize"; - uint64 m; - tmsize_t n; - m=TIFFVStripSize64(tif,nrows); - n=(tmsize_t)m; - if ((uint64)n!=m) - { - TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow"); - n=0; - } - return(n); -} - -/* - * Compute the # bytes in a raw strip. - */ -uint64 -TIFFRawStripSize64(TIFF* tif, uint32 strip) -{ - static const char module[] = "TIFFRawStripSize64"; - TIFFDirectory* td = &tif->tif_dir; - uint64 bytecount = td->td_stripbytecount[strip]; - - if (bytecount == 0) - { -#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__)) - TIFFErrorExt(tif->tif_clientdata, module, - "%I64u: Invalid strip byte count, strip %lu", - (unsigned __int64) bytecount, - (unsigned long) strip); -#else - TIFFErrorExt(tif->tif_clientdata, module, - "%llu: Invalid strip byte count, strip %lu", - (unsigned long long) bytecount, - (unsigned long) strip); -#endif - bytecount = (uint64) -1; - } - - return bytecount; -} -tmsize_t -TIFFRawStripSize(TIFF* tif, uint32 strip) -{ - static const char module[] = "TIFFRawStripSize"; - uint64 m; - tmsize_t n; - m=TIFFRawStripSize64(tif,strip); - if (m==(uint64)(-1)) - n=(tmsize_t)(-1); - else - { - n=(tmsize_t)m; - if ((uint64)n!=m) - { - TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow"); - n=0; - } - } - return(n); -} - -/* - * Compute the # bytes in a (row-aligned) strip. - * - * Note that if RowsPerStrip is larger than the - * recorded ImageLength, then the strip size is - * truncated to reflect the actual space required - * to hold the strip. - */ -uint64 -TIFFStripSize64(TIFF* tif) -{ - TIFFDirectory* td = &tif->tif_dir; - uint32 rps = td->td_rowsperstrip; - if (rps > td->td_imagelength) - rps = td->td_imagelength; - return (TIFFVStripSize64(tif, rps)); -} -tmsize_t -TIFFStripSize(TIFF* tif) -{ - static const char module[] = "TIFFStripSize"; - uint64 m; - tmsize_t n; - m=TIFFStripSize64(tif); - n=(tmsize_t)m; - if ((uint64)n!=m) - { - TIFFErrorExt(tif->tif_clientdata,module,"Integer overflow"); - n=0; - } - return(n); -} - -/* - * Compute a default strip size based on the image - * characteristics and a requested value. If the - * request is <1 then we choose a strip size according - * to certain heuristics. - */ -uint32 -TIFFDefaultStripSize(TIFF* tif, uint32 request) -{ - return (*tif->tif_defstripsize)(tif, request); -} - -uint32 -_TIFFDefaultStripSize(TIFF* tif, uint32 s) -{ - if ((int32) s < 1) { - /* - * If RowsPerStrip is unspecified, try to break the - * image up into strips that are approximately - * STRIP_SIZE_DEFAULT bytes long. - */ - uint64 scanlinesize; - uint64 rows; - scanlinesize=TIFFScanlineSize64(tif); - if (scanlinesize==0) - scanlinesize=1; - rows=(uint64)STRIP_SIZE_DEFAULT/scanlinesize; - if (rows==0) - rows=1; - else if (rows>0xFFFFFFFF) - rows=0xFFFFFFFF; - s=(uint32)rows; - } - return (s); -} - -/* - * Return the number of bytes to read/write in a call to - * one of the scanline-oriented i/o routines. Note that - * this number may be 1/samples-per-pixel if data is - * stored as separate planes. - * The ScanlineSize in case of YCbCrSubsampling is defined as the - * strip size divided by the strip height, i.e. the size of a pack of vertical - * subsampling lines divided by vertical subsampling. It should thus make - * sense when multiplied by a multiple of vertical subsampling. - */ -uint64 -TIFFScanlineSize64(TIFF* tif) -{ - static const char module[] = "TIFFScanlineSize64"; - TIFFDirectory *td = &tif->tif_dir; - uint64 scanline_size; - if (td->td_planarconfig==PLANARCONFIG_CONTIG) - { - if ((td->td_photometric==PHOTOMETRIC_YCBCR)&& - (td->td_samplesperpixel==3)&& - (!isUpSampled(tif))) - { - uint16 ycbcrsubsampling[2]; - uint16 samplingblock_samples; - uint32 samplingblocks_hor; - uint64 samplingrow_samples; - uint64 samplingrow_size; - if(td->td_samplesperpixel!=3) - { - TIFFErrorExt(tif->tif_clientdata,module, - "Invalid td_samplesperpixel value"); - return 0; - } - TIFFGetFieldDefaulted(tif,TIFFTAG_YCBCRSUBSAMPLING, - ycbcrsubsampling+0, - ycbcrsubsampling+1); - if (((ycbcrsubsampling[0]!=1)&&(ycbcrsubsampling[0]!=2)&&(ycbcrsubsampling[0]!=4)) || - ((ycbcrsubsampling[1]!=1)&&(ycbcrsubsampling[1]!=2)&&(ycbcrsubsampling[1]!=4))) - { - TIFFErrorExt(tif->tif_clientdata,module, - "Invalid YCbCr subsampling"); - return 0; - } - samplingblock_samples = ycbcrsubsampling[0]*ycbcrsubsampling[1]+2; - samplingblocks_hor = TIFFhowmany_32(td->td_imagewidth,ycbcrsubsampling[0]); - samplingrow_samples = _TIFFMultiply64(tif,samplingblocks_hor,samplingblock_samples,module); - samplingrow_size = TIFFhowmany_64(_TIFFMultiply64(tif,samplingrow_samples,td->td_bitspersample,module),8); - scanline_size = (samplingrow_size/ycbcrsubsampling[1]); - } - else - { - uint64 scanline_samples; - scanline_samples=_TIFFMultiply64(tif,td->td_imagewidth,td->td_samplesperpixel,module); - scanline_size=TIFFhowmany_64(_TIFFMultiply64(tif,scanline_samples,td->td_bitspersample,module),8); - } - } - else - scanline_size=TIFFhowmany_64(_TIFFMultiply64(tif,td->td_imagewidth,td->td_bitspersample,module),8); - return(scanline_size); -} -tmsize_t -TIFFScanlineSize(TIFF* tif) -{ - static const char module[] = "TIFFScanlineSize"; - uint64 m; - tmsize_t n; - m=TIFFScanlineSize64(tif); - n=(tmsize_t)m; - if ((uint64)n!=m) - { - TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow"); - n=0; - } - return(n); -} - -/* - * Return the number of bytes required to store a complete - * decoded and packed raster scanline (as opposed to the - * I/O size returned by TIFFScanlineSize which may be less - * if data is store as separate planes). - */ -uint64 -TIFFRasterScanlineSize64(TIFF* tif) -{ - static const char module[] = "TIFFRasterScanlineSize64"; - TIFFDirectory *td = &tif->tif_dir; - uint64 scanline; - - scanline = _TIFFMultiply64(tif, td->td_bitspersample, td->td_imagewidth, module); - if (td->td_planarconfig == PLANARCONFIG_CONTIG) { - scanline = _TIFFMultiply64(tif, scanline, td->td_samplesperpixel, module); - return (TIFFhowmany8_64(scanline)); - } else - return (_TIFFMultiply64(tif, TIFFhowmany8_64(scanline), - td->td_samplesperpixel, module)); -} -tmsize_t -TIFFRasterScanlineSize(TIFF* tif) -{ - static const char module[] = "TIFFRasterScanlineSize"; - uint64 m; - tmsize_t n; - m=TIFFRasterScanlineSize64(tif); - n=(tmsize_t)m; - if ((uint64)n!=m) - { - TIFFErrorExt(tif->tif_clientdata,module,"Integer arithmetic overflow"); - n=0; - } - return(n); -} - -/* vim: set ts=8 sts=8 sw=8 noet: */ -/* - * Local Variables: - * mode: c - * c-basic-offset: 8 - * fill-column: 78 - * End: - */ -- cgit v1.2.3