projects / wxWidgets.git / blame
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1 | .\" $Id: tiffcmp.1,v 1.4 2005/11/02 11:07:19 dron Exp $ |
| 2 | .\" | |
| 3 | .\" Copyright (c) 1988-1997 Sam Leffler | |
| 4 | .\" Copyright (c) 1991-1997 Silicon Graphics, Inc. | |
| 5 | .\" | |
| 6 | .\" Permission to use, copy, modify, distribute, and sell this software and | |
| 7 | .\" its documentation for any purpose is hereby granted without fee, provided | |
| 8 | .\" that (i) the above copyright notices and this permission notice appear in | |
| 9 | .\" all copies of the software and related documentation, and (ii) the names of | |
| 10 | .\" Sam Leffler and Silicon Graphics may not be used in any advertising or | |
| 11 | .\" publicity relating to the software without the specific, prior written | |
| 12 | .\" permission of Sam Leffler and Silicon Graphics. | |
| 13 | .\" | |
| 14 | .\" THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, | |
| 15 | .\" EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY | |
| 16 | .\" WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. | |
| 17 | .\" | |
| 18 | .\" IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR | |
| 19 | .\" ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, | |
| 20 | .\" OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
| 21 | .\" WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF | |
| 22 | .\" LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
| 23 | .\" OF THIS SOFTWARE. | |
| 24 | .\" | |
| 25 | .if n .po 0 | |
| 26 | .TH TIFFCMP 1 "November 2, 2005" "libtiff" | |
| 27 | .SH NAME | |
| 28 | tiffcmp \- compare two | |
| 29 | .SM TIFF | |
| 30 | files | |
| 31 | .SH SYNOPSIS | |
| 32 | .B tiffcmp | |
| 33 | [ | |
| 34 | .I options | |
| 35 | ] | |
| 36 | .I "file1.tif file2.tif" | |
| 37 | .SH DESCRIPTION | |
| 38 | .I Tiffcmp | |
| 39 | compares the tags and data in two files created according | |
| 40 | to the Tagged Image File Format, Revision 6.0. | |
| 41 | The schemes used for compressing data in each file | |
| 42 | are immaterial when data are compared\-data are compared on | |
| 43 | a scanline-by-scanline basis after decompression. | |
| 44 | Most directory tags are checked; notable exceptions are: | |
| 45 | .IR GrayResponseCurve , | |
| 46 | .IR ColorResponseCurve , | |
| 47 | and | |
| 48 | .IR ColorMap | |
| 49 | tags. | |
| 50 | Data will not be compared if any of the | |
| 51 | .IR BitsPerSample , | |
| 52 | .IR SamplesPerPixel , | |
| 53 | or | |
| 54 | .I ImageWidth | |
| 55 | values are not equal. | |
| 56 | By default, | |
| 57 | .I tiffcmp | |
| 58 | will terminate if it encounters any difference. | |
| 59 | .SH OPTIONS | |
| 60 | .TP | |
| 61 | .B \-l | |
| 62 | List each byte of image data that differs between the files. | |
| 63 | .TP | |
| 64 | .B \-z number | |
| 65 | List specified number of image data bytes that differs between the files. | |
| 66 | .TP | |
| 67 | .B \-t | |
| 68 | Ignore any differences in directory tags. | |
| 69 | .SH BUGS | |
| 70 | Tags that are not recognized by the library are not | |
| 71 | compared; they may also generate spurious diagnostics. | |
| 72 | .PP | |
| 73 | The image data of tiled files is not compared, since the TIFFReadScanline() | |
| 74 | function is used. A error will be reported for tiled files. | |
| 75 | .PP | |
| 76 | The pixel and/or sample number reported in differences may be off | |
| 77 | in some exotic cases. | |
| 78 | .SH "SEE ALSO" | |
| 79 | .BR pal2rgb (1), | |
| 80 | .bR tiffinfo (1), | |
| 81 | .BR tiffcp (1), | |
| 82 | .BR tiffmedian (1), | |
| 83 | .BR libtiff (3TIFF) | |
| 84 | .PP | |
| 85 | Libtiff library home page: | |
| 86 | .BR http://www.remotesensing.org/libtiff/ |