[wxWidgets.git] / src / tiff / test / custom_dir.c


/*
 * 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) < 0) {
		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: */
Commit	Line	Data
80ed523f VZ	1
	2	/*
	3	* Copyright (c) 2012, Frank Warmerdam <warmerdam@pobox.com>
	4	*
	5	* Permission to use, copy, modify, distribute, and sell this software and
	6	* its documentation for any purpose is hereby granted without fee, provided
	7	* that (i) the above copyright notices and this permission notice appear in
	8	* all copies of the software and related documentation, and (ii) the names of
	9	* Sam Leffler and Silicon Graphics may not be used in any advertising or
	10	* publicity relating to the software without the specific, prior written
	11	* permission of Sam Leffler and Silicon Graphics.
	12	*
	13	* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
	14	* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
	15	* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
	16	*
	17	* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
	18	* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
	19	* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
	20	* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
	21	* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
	22	* OF THIS SOFTWARE.
	23	*/
	24
	25	/*
	26	* TIFF Library
	27	*
	28	* Module to handling of custom directories like EXIF.
	29	*/
	30
	31	#include "tif_config.h"
	32	#include <stdio.h>
	33	#include <string.h>
	34
	35	#ifdef HAVE_UNISTD_H
	36	# include <unistd.h>
	37	#endif
	38
	39	#include "tiffio.h"
	40	#include "tif_dir.h"
	41	#include "tifftest.h"
	42
	43	static const char filename[] = "custom_dir.tif";
	44
	45	#define SPP 3 /* Samples per pixel */
	46	const uint16 width = 1;
	47	const uint16 length = 1;
	48	const uint16 bps = 8;
	49	const uint16 photometric = PHOTOMETRIC_RGB;
	50	const uint16 rows_per_strip = 1;
	51	const uint16 planarconfig = PLANARCONFIG_CONTIG;
	52
	53	static TIFFField
	54	customFields[] = {
	55	{ TIFFTAG_IMAGEWIDTH, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Custom1", NULL },
	56	{ TIFFTAG_DOTRANGE, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Custom2", NULL },
	57	};
	58
	59	static TIFFFieldArray customFieldArray = { tfiatOther, 0, 2, customFields };
	60
	61	int
	62	main()
	63	{
	64	TIFF *tif;
65	unsigned char buf[SPP] = { 0, 127, 255 };
66	uint64 dir_offset = 0, dir_offset2 = 0;
67	uint64 read_dir_offset = 0, read_dir_offset2 = 0;
68	uint64 *dir_offset2_ptr = NULL;
69	char *ascii_value;
70	uint16 count16 = 0;
71
72
73	/* We write the main directory as a simple image. */
74	tif = TIFFOpen(filename, "w+");
75	if (!tif) {
76	fprintf (stderr, "Can't create test TIFF file %s.\n", filename);
77	return 1;
78	}
79
80	if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width)) {
81	fprintf (stderr, "Can't set ImageWidth tag.\n");
82	goto failure;
83	}
84	if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, length)) {
85	fprintf (stderr, "Can't set ImageLength tag.\n");
86	goto failure;
87	}
88	if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps)) {
89	fprintf (stderr, "Can't set BitsPerSample tag.\n");
90	goto failure;
91	}
92	if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, SPP)) {
93	fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
94	goto failure;
95	}
96	if (!TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip)) {
97	fprintf (stderr, "Can't set SamplesPerPixel tag.\n");
98	goto failure;
99	}
100	if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, planarconfig)) {
101	fprintf (stderr, "Can't set PlanarConfiguration tag.\n");
102	goto failure;
103	}
104	if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, photometric)) {
105	fprintf (stderr, "Can't set PhotometricInterpretation tag.\n");
106	goto failure;
107	}
108
109	/* Write dummy pixel data. */
110	if (!TIFFWriteScanline(tif, buf, 0, 0) < 0) {
111	fprintf (stderr, "Can't write image data.\n");
112	goto failure;
113	}
114
115	if (!TIFFWriteDirectory( tif )) {
116	fprintf (stderr, "TIFFWriteDirectory() failed.\n");
117	goto failure;
118	}
119
120	/*
121	* Now create an EXIF directory.
122	*/
123	if (TIFFCreateEXIFDirectory(tif) != 0) {
124	fprintf (stderr, "TIFFCreateEXIFDirectory() failed.\n" );
125	goto failure;
126	}
127
128	if (!TIFFSetField( tif, EXIFTAG_SPECTRALSENSITIVITY, "EXIF Spectral Sensitivity")) {
129	fprintf (stderr, "Can't write SPECTRALSENSITIVITY\n" );
130	goto failure;
131	}
132
133	if (!TIFFWriteCustomDirectory( tif, &dir_offset )) {
134	fprintf (stderr, "TIFFWriteCustomDirectory() with EXIF failed.\n");
135	goto failure;
136	}
137
138	/*
139	* Now create a custom directory with tags that conflict with mainline
140	* TIFF tags.
141	*/
142
143	TIFFFreeDirectory( tif );
144	if (TIFFCreateCustomDirectory(tif, &customFieldArray) != 0) {
145	fprintf (stderr, "TIFFCreateEXIFDirectory() failed.\n" );
146	goto failure;
147	}
148
149	if (!TIFFSetField( tif, TIFFTAG_IMAGEWIDTH, "Custom1")) { / not really IMAGEWIDTH */
150	fprintf (stderr, "Can't write pseudo-IMAGEWIDTH.\n" );
151	goto failure;
152	}
153
154	if (!TIFFSetField( tif, TIFFTAG_DOTRANGE, "Custom2")) { / not really DOTWIDTH */
155	fprintf (stderr, "Can't write pseudo-DOTWIDTH.\n" );
156	goto failure;
157	}
158
159	if (!TIFFWriteCustomDirectory( tif, &dir_offset2 )) {
160	fprintf (stderr, "TIFFWriteCustomDirectory() with EXIF failed.\n");
161	goto failure;
162	}
163
164	/*
165	* Go back to the first directory, and add the EXIFIFD pointer.
166	*/
167	TIFFSetDirectory(tif, 0);
168	TIFFSetField(tif, TIFFTAG_EXIFIFD, dir_offset );
169	TIFFSetField(tif, TIFFTAG_SUBIFD, 1, &dir_offset2 );
170
171	TIFFClose(tif);
172
173	/* Ok, now test whether we can read written values in the EXIF directory. */
174	tif = TIFFOpen(filename, "r");
175
176	TIFFGetField(tif, TIFFTAG_EXIFIFD, &read_dir_offset );
177	if( read_dir_offset != dir_offset ) {
178	fprintf (stderr, "Did not get expected EXIFIFD.\n" );
179	goto failure;
180	}
181
182	TIFFGetField(tif, TIFFTAG_SUBIFD, &count16, &dir_offset2_ptr );
183	read_dir_offset2 = dir_offset2_ptr[0];
184	if( read_dir_offset2 != dir_offset2 \|\| count16 != 1) {
185	fprintf (stderr, "Did not get expected SUBIFD.\n" );
186	goto failure;
187	}
188
189	if( !TIFFReadEXIFDirectory(tif, read_dir_offset) ) {
190	fprintf (stderr, "TIFFReadEXIFDirectory() failed.\n" );
191	goto failure;
192	}
193
194	if (!TIFFGetField( tif, EXIFTAG_SPECTRALSENSITIVITY, &ascii_value) ) {
195	fprintf (stderr, "reading SPECTRALSENSITIVITY failed.\n" );
196	goto failure;
197	}
198
199	if( strcmp(ascii_value,"EXIF Spectral Sensitivity") != 0) {
200	fprintf (stderr, "got wrong SPECTRALSENSITIVITY value.\n" );
201	goto failure;
202	}
203
204	/* Try reading the Custom directory */
205
206	if( !TIFFReadCustomDirectory(tif, read_dir_offset2, &customFieldArray) ) {
207	fprintf (stderr, "TIFFReadCustomDirectory() failed.\n" );
208	goto failure;
209	}
210
211	if (!TIFFGetField( tif, TIFFTAG_IMAGEWIDTH, &ascii_value) ) {
212	fprintf (stderr, "reading pseudo-IMAGEWIDTH failed.\n" );
213	goto failure;
214	}
215
216	if( strcmp(ascii_value,"*Custom1") != 0) {
217	fprintf (stderr, "got wrong pseudo-IMAGEWIDTH value.\n" );
218	goto failure;
219	}
220
221	if (!TIFFGetField( tif, TIFFTAG_DOTRANGE, &ascii_value) ) {
222	fprintf (stderr, "reading pseudo-DOTRANGE failed.\n" );
223	goto failure;
224	}
225
226	if( strcmp(ascii_value,"*Custom2") != 0) {
227	fprintf (stderr, "got wrong pseudo-DOTRANGE value.\n" );
228	goto failure;
229	}
230
231	TIFFClose(tif);
232
233	/* All tests passed; delete file and exit with success status. */
234	unlink(filename);
235	return 0;
236
237	failure:
238	/*
239	* Something goes wrong; close file and return unsuccessful status.
240	* Do not remove the file for further manual investigation.
241	*/
242	TIFFClose(tif);
243	return 1;
244	}
245
246	/* vim: set ts=8 sts=8 sw=8 noet: */