int main(int argc, char **argv) { TIFF *tif; unsigned int i; unsigned char buf[3] = { 0, 127, 255 }; (void) argc; (void) argv; /* 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_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, 3)) { 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; } if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)) { fprintf (stderr, "Can't set PhotometricInterpretation tag.\n"); goto failure; } for (i = 0; i < NTAGS; i++) { if (!TIFFSetField(tif, long_tags[i].tag, long_tags[i].value)) { fprintf(stderr, "Can't set tag %d.\n", (int)long_tags[i].tag); goto failure; } } /* Write dummy pixel data. */ if (!TIFFWriteScanline(tif, buf, 0, 0) < 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 (CheckLongField(tif, TIFFTAG_IMAGEWIDTH, width) < 0) goto failure; if (CheckLongField(tif, TIFFTAG_IMAGELENGTH, length) < 0) goto failure; if (CheckLongField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip) < 0) goto failure; for (i = 0; i < NTAGS; i++) { if (CheckLongField(tif, long_tags[i].tag, long_tags[i].value) < 0) 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; }
int main() { TIFF *tif; size_t i; unsigned char buf[SPP] = { 0, 127, 255 }; /* 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_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; } for (i = 0; i < NSINGLETAGS; i++) { if (!TIFFSetField(tif, short_single_tags[i].tag, short_single_tags[i].value)) { fprintf(stderr, "Can't set tag %lu.\n", (unsigned long)short_single_tags[i].tag); goto failure; } } for (i = 0; i < NPAIREDTAGS; i++) { if (!TIFFSetField(tif, short_paired_tags[i].tag, short_paired_tags[i].values[0], short_paired_tags[i].values[1])) { fprintf(stderr, "Can't set tag %lu.\n", (unsigned long)short_paired_tags[i].tag); goto failure; } } /* Write dummy pixel data. */ if (!TIFFWriteScanline(tif, buf, 0, 0) < 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 (CheckLongField(tif, TIFFTAG_IMAGEWIDTH, width) < 0) goto failure; if (CheckLongField(tif, TIFFTAG_IMAGELENGTH, length) < 0) goto failure; if (CheckShortField(tif, TIFFTAG_BITSPERSAMPLE, bps) < 0) goto failure; if (CheckShortField(tif, TIFFTAG_PHOTOMETRIC, photometric) < 0) goto failure; if (CheckShortField(tif, TIFFTAG_SAMPLESPERPIXEL, SPP) < 0) goto failure; if (CheckLongField(tif, TIFFTAG_ROWSPERSTRIP, rows_per_strip) < 0) goto failure; if (CheckShortField(tif, TIFFTAG_PLANARCONFIG, planarconfig) < 0) goto failure; for (i = 0; i < NSINGLETAGS; i++) { if (CheckShortField(tif, short_single_tags[i].tag, short_single_tags[i].value) < 0) goto failure; } for (i = 0; i < NPAIREDTAGS; i++) { if (CheckShortPairedField(tif, short_paired_tags[i].tag, short_paired_tags[i].values) < 0) 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; }