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-rwxr-xr-xtiff/test/custom_dir.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/tiff/test/custom_dir.c b/tiff/test/custom_dir.c
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+++ b/tiff/test/custom_dir.c
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+/* $Id: custom_dir.c,v 1.3 2013-12-17 14:41:58 bfriesen Exp $ */
+
+/*
+ * Copyright (c) 2012, Frank Warmerdam <warmerdam@pobox.com>
+ *
+ * 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 handling of custom directories like EXIF.
+ */
+
+#include "tif_config.h"
+#include <stdio.h>
+#include <string.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include "tiffio.h"
+#include "tif_dir.h"
+#include "tifftest.h"
+
+static const char filename[] = "custom_dir.tif";
+
+#define SPP 3 /* Samples per pixel */
+const uint16 width = 1;
+const uint16 length = 1;
+const uint16 bps = 8;
+const uint16 photometric = PHOTOMETRIC_RGB;
+const uint16 rows_per_strip = 1;
+const uint16 planarconfig = PLANARCONFIG_CONTIG;
+
+static TIFFField
+customFields[] = {
+ { TIFFTAG_IMAGEWIDTH, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Custom1", NULL },
+ { TIFFTAG_DOTRANGE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Custom2", NULL },
+};
+
+static TIFFFieldArray customFieldArray = { tfiatOther, 0, 2, customFields };
+
+int
+main()
+{
+ TIFF *tif;
+ unsigned char buf[SPP] = { 0, 127, 255 };
+ uint64 dir_offset = 0, dir_offset2 = 0;
+ uint64 read_dir_offset = 0, read_dir_offset2 = 0;
+ uint64 *dir_offset2_ptr = NULL;
+ char *ascii_value;
+ uint16 count16 = 0;
+
+
+ /* We write the main directory as a simple image. */
+ tif = TIFFOpen(filename, "w+");
+ if (!tif) {
+ fprintf (stderr, "Can't create test TIFF file %s.\n", filename);
+ return 1;
+ }
+
+ 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, bps)) {
+ fprintf (stderr, "Can't set BitsPerSample tag.\n");
+ goto failure;
+ }
+ if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, SPP)) {
+ 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)) {
+ fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
+ goto failure;
+ }
+ if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, photometric)) {
+ fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
+ goto failure;
+ }
+
+ /* Write dummy pixel data. */
+ if (TIFFWriteScanline(tif, buf, 0, 0) == -1) {
+ fprintf (stderr, "Can't write image data.\n");
+ goto failure;
+ }
+
+ if (!TIFFWriteDirectory( tif )) {
+ fprintf (stderr, "TIFFWriteDirectory() failed.\n");
+ goto failure;
+ }
+
+ /*
+ * Now create an EXIF directory.
+ */
+ if (TIFFCreateEXIFDirectory(tif) != 0) {
+ fprintf (stderr, "TIFFCreateEXIFDirectory() failed.\n" );
+ goto failure;
+ }
+
+ if (!TIFFSetField( tif, EXIFTAG_SPECTRALSENSITIVITY, "EXIF Spectral Sensitivity")) {
+ fprintf (stderr, "Can't write SPECTRALSENSITIVITY\n" );
+ goto failure;
+ }
+
+ if (!TIFFWriteCustomDirectory( tif, &dir_offset )) {
+ fprintf (stderr, "TIFFWriteCustomDirectory() with EXIF failed.\n");
+ goto failure;
+ }
+
+ /*
+ * Now create a custom directory with tags that conflict with mainline
+ * TIFF tags.
+ */
+
+ TIFFFreeDirectory( tif );
+ if (TIFFCreateCustomDirectory(tif, &customFieldArray) != 0) {
+ fprintf (stderr, "TIFFCreateEXIFDirectory() failed.\n" );
+ goto failure;
+ }
+
+ if (!TIFFSetField( tif, TIFFTAG_IMAGEWIDTH, "*Custom1")) { /* not really IMAGEWIDTH */
+ fprintf (stderr, "Can't write pseudo-IMAGEWIDTH.\n" );
+ goto failure;
+ }
+
+ if (!TIFFSetField( tif, TIFFTAG_DOTRANGE, "*Custom2")) { /* not really DOTWIDTH */
+ fprintf (stderr, "Can't write pseudo-DOTWIDTH.\n" );
+ goto failure;
+ }
+
+ if (!TIFFWriteCustomDirectory( tif, &dir_offset2 )) {
+ fprintf (stderr, "TIFFWriteCustomDirectory() with EXIF failed.\n");
+ goto failure;
+ }
+
+ /*
+ * Go back to the first directory, and add the EXIFIFD pointer.
+ */
+ TIFFSetDirectory(tif, 0);
+ TIFFSetField(tif, TIFFTAG_EXIFIFD, dir_offset );
+ TIFFSetField(tif, TIFFTAG_SUBIFD, 1, &dir_offset2 );
+
+ TIFFClose(tif);
+
+ /* Ok, now test whether we can read written values in the EXIF directory. */
+ tif = TIFFOpen(filename, "r");
+
+ TIFFGetField(tif, TIFFTAG_EXIFIFD, &read_dir_offset );
+ if( read_dir_offset != dir_offset ) {
+ fprintf (stderr, "Did not get expected EXIFIFD.\n" );
+ goto failure;
+ }
+
+ TIFFGetField(tif, TIFFTAG_SUBIFD, &count16, &dir_offset2_ptr );
+ read_dir_offset2 = dir_offset2_ptr[0];
+ if( read_dir_offset2 != dir_offset2 || count16 != 1) {
+ fprintf (stderr, "Did not get expected SUBIFD.\n" );
+ goto failure;
+ }
+
+ if( !TIFFReadEXIFDirectory(tif, read_dir_offset) ) {
+ fprintf (stderr, "TIFFReadEXIFDirectory() failed.\n" );
+ goto failure;
+ }
+
+ if (!TIFFGetField( tif, EXIFTAG_SPECTRALSENSITIVITY, &ascii_value) ) {
+ fprintf (stderr, "reading SPECTRALSENSITIVITY failed.\n" );
+ goto failure;
+ }
+
+ if( strcmp(ascii_value,"EXIF Spectral Sensitivity") != 0) {
+ fprintf (stderr, "got wrong SPECTRALSENSITIVITY value.\n" );
+ goto failure;
+ }
+
+ /* Try reading the Custom directory */
+
+ if( !TIFFReadCustomDirectory(tif, read_dir_offset2, &customFieldArray) ) {
+ fprintf (stderr, "TIFFReadCustomDirectory() failed.\n" );
+ goto failure;
+ }
+
+ if (!TIFFGetField( tif, TIFFTAG_IMAGEWIDTH, &ascii_value) ) {
+ fprintf (stderr, "reading pseudo-IMAGEWIDTH failed.\n" );
+ goto failure;
+ }
+
+ if( strcmp(ascii_value,"*Custom1") != 0) {
+ fprintf (stderr, "got wrong pseudo-IMAGEWIDTH value.\n" );
+ goto failure;
+ }
+
+ if (!TIFFGetField( tif, TIFFTAG_DOTRANGE, &ascii_value) ) {
+ fprintf (stderr, "reading pseudo-DOTRANGE failed.\n" );
+ goto failure;
+ }
+
+ if( strcmp(ascii_value,"*Custom2") != 0) {
+ fprintf (stderr, "got wrong pseudo-DOTRANGE value.\n" );
+ 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.
+ * Do not remove the file for further manual investigation.
+ */
+ TIFFClose(tif);
+ return 1;
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */