From 586a6869b7a1b08d7601f3a6985aecb0e5bea36e Mon Sep 17 00:00:00 2001 From: Frank Warmerdam Date: Tue, 1 Jan 2008 13:55:23 +0000 Subject: [PATCH] New --- test/rewrite_tag.c | 345 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 345 insertions(+) create mode 100644 test/rewrite_tag.c diff --git a/test/rewrite_tag.c b/test/rewrite_tag.c new file mode 100644 index 00000000..2ccad060 --- /dev/null +++ b/test/rewrite_tag.c @@ -0,0 +1,345 @@ +/* $Id: rewrite_tag.c,v 1.1 2008-01-01 13:55:23 fwarmerdam Exp $ */ + +/* + * Copyright (c) 2007, Frank Warmerdam + * + * 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 + * + * Module to test TIFFRewriteField(). + */ + +#include "tif_config.h" + +#include + +#ifdef HAVE_UNISTD_H +# include +#endif + +#include "tiffio.h" + +const uint32 width = 10; +const uint32 length = 40; +const uint32 rows_per_strip = 1; + +int test_packbits() + +{ + TIFF *tif; + int i; + unsigned char buf[10] = {0,0,0,0,0,0,0,0,0,0}; + + int length = 20; + const char *filename = "test_packbits.tif"; + + /* Test whether we can write tags. */ + tif = TIFFOpen(filename, "w"); + + if (!tif) { + fprintf (stderr, "Can't create test TIFF file %s.\n", filename); + return 1; + } + + if (!TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_PACKBITS)) { + fprintf (stderr, "Can't set Compression tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) { + fprintf (stderr, "Can't set ImageWidth tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) { + fprintf (stderr, "Can't set ImageLength tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) { + fprintf (stderr, "Can't set BitsPerSample tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1)) { + fprintf (stderr, "Can't set SamplesPerPixel tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip)) { + fprintf (stderr, "Can't set SamplesPerPixel tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) { + fprintf (stderr, "Can't set PlanarConfiguration tag.\n"); + goto failure; + } + + for (i = 0; i < length; i++ ) + { + if( !TIFFWriteEncodedStrip( tif, i, buf, 10 ) ) + { + fprintf (stderr, "Can't write image data.\n"); + goto failure; + } + } + + TIFFClose(tif); + + /* Test whether we can write tags. */ + + tif = TIFFOpen(filename, "r+"); + + if (!tif) { + fprintf (stderr, "Can't create test TIFF file %s.\n", filename); + return 1; + } + + buf[3] = 17; + buf[6] = 12; + + if( !TIFFWriteEncodedStrip( tif, 6, buf, 10 ) ) + { + fprintf (stderr, "Can't write image data.\n"); + goto failure; + } + + TIFFClose(tif); + + /* unlink(filename); */ + + return 0; + + failure: + /* Something goes wrong; close file and return unsuccessful status. */ + TIFFClose(tif); + /* unlink(filename); */ + + return 1; + +} + +/************************************************************************/ +/* rewrite_test() */ +/************************************************************************/ +int rewrite_test( const char *filename, int length, int bigtiff, + uint64 base_value ) + +{ + TIFF *tif; + int i; + unsigned char buf[10] = {5,6,7,8,9,10,11,12,13,14}; + uint64 *rowoffset, *rowbytes; + uint64 *upd_rowoffset; + uint32 *upd_bytecount; + + /* Test whether we can write tags. */ + if( bigtiff ) + tif = TIFFOpen(filename, "w8"); + else + tif = TIFFOpen(filename, "w4"); + + if (!tif) { + fprintf (stderr, "Can't create test TIFF file %s.\n", filename); + return 1; + } + + if (!TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_PACKBITS)) { + fprintf (stderr, "Can't set Compression tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) { + fprintf (stderr, "Can't set ImageWidth tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) { + fprintf (stderr, "Can't set ImageLength tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) { + fprintf (stderr, "Can't set BitsPerSample tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1)) { + fprintf (stderr, "Can't set SamplesPerPixel tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip)) { + fprintf (stderr, "Can't set SamplesPerPixel tag.\n"); + goto failure; + } + if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) { + fprintf (stderr, "Can't set PlanarConfiguration tag.\n"); + goto failure; + } + + for (i = 0; i < length; i++ ) + { + if( !TIFFWriteScanline( tif, buf, i, 0 ) ) + { + fprintf (stderr, "Can't write image data.\n"); + goto failure; + } + } + + TIFFClose(tif); + + /* Ok, now test whether we can read written values. */ + tif = TIFFOpen(filename, "r+"); + if (!tif) { + fprintf (stderr, "Can't open test TIFF file %s.\n", filename); + return 1; + } + + if( !TIFFGetField( tif, TIFFTAG_STRIPOFFSETS, &rowoffset ) ) + { + fprintf (stderr, "Can't fetch STRIPOFFSETS.\n"); + goto failure; + } + + if( !TIFFGetField( tif, TIFFTAG_STRIPBYTECOUNTS, &rowbytes ) ) + { + fprintf (stderr, "Can't fetch STRIPBYTECOUNTS.\n"); + goto failure; + } + + upd_rowoffset = (uint64 *) _TIFFmalloc(sizeof(uint64) * length); + for( i = 0; i < length; i++ ) + upd_rowoffset[i] = base_value + i*10; + + if( !TIFFRewriteField( tif, TIFFTAG_STRIPOFFSETS, TIFF_LONG8, + length, upd_rowoffset ) ) + { + fprintf (stderr, "Can't rewrite STRIPOFFSETS.\n"); + goto failure; + } + + _TIFFfree( upd_rowoffset ); + + upd_bytecount = (uint32 *) _TIFFmalloc(sizeof(uint32) * length); + for( i = 0; i < length; i++ ) + upd_bytecount[i] = 100 + i*10; + + if( !TIFFRewriteField( tif, TIFFTAG_STRIPBYTECOUNTS, TIFF_LONG, + length, upd_bytecount ) ) + { + fprintf (stderr, "Can't rewrite STRIPBYTECOUNTS.\n"); + goto failure; + } + + _TIFFfree( upd_bytecount ); + + TIFFClose(tif); + + /* Reopen file and read back to verify contents */ + + tif = TIFFOpen(filename, "r"); + if (!tif) { + fprintf (stderr, "Can't open test TIFF file %s.\n", filename); + return 1; + } + + if( !TIFFGetField( tif, TIFFTAG_STRIPOFFSETS, &rowoffset ) ) + { + fprintf (stderr, "Can't fetch STRIPOFFSETS.\n"); + goto failure; + } + + for( i = 0; i < length; i++ ) + { + uint64 expect = base_value + i*10; + + if( rowoffset[i] != expect ) + { + fprintf( stderr, + "%s:STRIPOFFSETS[%d]: Got %X:%08X instead of %X:%08X.\n", + filename, i, + (int) (rowoffset[i] >> 32), + (int) (rowoffset[i]&0xFFFFFFFF), + (int) (expect >> 32), + (int) (expect & 0xFFFFFFFF) ); + goto failure; + } + } + + if( !TIFFGetField( tif, TIFFTAG_STRIPBYTECOUNTS, &rowbytes ) ) + { + fprintf (stderr, "Can't fetch STRIPBYTECOUNTS.\n"); + goto failure; + } + + for( i = 0; i < length; i++ ) + { + uint64 expect = 100 + i*10; + + if( rowbytes[i] != expect ) + { + fprintf( stderr, + "%s:STRIPBYTECOUNTS[%d]: Got %X:%08X instead of %X:%08X.\n", + filename, i, + (int) (rowbytes[i] >> 32), + (int) (rowbytes[i] & 0xFFFFFFFF), + (int) (expect >> 32), + (int) (expect & 0xFFFFFFFF) ); + goto failure; + } + } + + TIFFClose( tif ); + + /* All tests passed; delete file and exit with success status. */ + unlink(filename); + return 0; + + failure: + /* Something goes wrong; close file and return unsuccessful status. */ + TIFFClose(tif); + /* unlink(filename); */ + + return 1; + +} + +/************************************************************************/ +/* main() */ +/************************************************************************/ +int +main(int argc, char **argv) +{ + (void) argc; + (void) argv; + int failure = 0; + + failure |= test_packbits(); + + /* test fairly normal use */ + failure |= rewrite_test( "rewrite1.tif", 10, 0, 100 ); + failure |= rewrite_test( "rewrite2.tif", 10, 1, 100 ); + + /* test case of fitting all in directory entry */ + failure |= rewrite_test( "rewrite3.tif", 1, 0, 100 ); + failure |= rewrite_test( "rewrite4.tif", 1, 1, 100 ); + + /* test with very large values that don't fit in 4bytes (bigtiff only) */ + failure |= rewrite_test( "rewrite5.tif", 1000, 1, 0x6000000000 ); + failure |= rewrite_test( "rewrite6.tif", 1, 1, 0x6000000000 ); + + return failure; +} + +/* vim: set ts=8 sts=8 sw=8 noet: */