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-rw-r--r--tiff/test/strip.c298
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diff --git a/tiff/test/strip.c b/tiff/test/strip.c
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+++ b/tiff/test/strip.c
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+/* $Id: strip.c,v 1.3.2.2 2010-06-08 18:50:43 bfriesen Exp $ */
+
+/*
+ * Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu>
+ *
+ * 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
+ *
+ * Functions to test strip interface of libtiff.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "tiffio.h"
+
+int
+write_strips(TIFF *tif, const tdata_t array, const tsize_t size)
+{
+ tstrip_t strip, nstrips;
+ tsize_t stripsize, offset;
+
+ stripsize = TIFFStripSize(tif);
+ if (!stripsize) {
+ fprintf (stderr, "Wrong size of strip.\n");
+ return -1;
+ }
+
+ nstrips = TIFFNumberOfStrips(tif);
+ for (offset = 0, strip = 0;
+ offset < size && strip < nstrips;
+ offset+=stripsize, strip++) {
+ /*
+ * Properly write last strip.
+ */
+ tsize_t bufsize = size - offset;
+ if (bufsize > stripsize)
+ bufsize = stripsize;
+
+ if (TIFFWriteEncodedStrip(tif, strip, (char *)array + offset,
+ bufsize) != bufsize) {
+ fprintf (stderr, "Can't write strip %lu.\n",
+ (unsigned long)strip);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+int
+read_strips(TIFF *tif, const tdata_t array, const tsize_t size)
+{
+ tstrip_t strip, nstrips;
+ tsize_t stripsize, offset;
+ tdata_t buf = NULL;
+
+ stripsize = TIFFStripSize(tif);
+ if (!stripsize) {
+ fprintf (stderr, "Wrong size of strip.\n");
+ return -1;
+ }
+
+ buf = _TIFFmalloc(stripsize);
+ if (!buf) {
+ fprintf (stderr, "Can't allocate space for strip buffer.\n");
+ return -1;
+ }
+
+ nstrips = TIFFNumberOfStrips(tif);
+ for (offset = 0, strip = 0;
+ offset < size && strip < nstrips;
+ offset+=stripsize, strip++) {
+ /*
+ * Properly read last strip.
+ */
+ tsize_t bufsize = size - offset;
+ if (bufsize > stripsize)
+ bufsize = stripsize;
+
+ if (TIFFReadEncodedStrip(tif, strip, buf, -1) != bufsize) {
+ fprintf (stderr, "Can't read strip %lu.\n",
+ (unsigned long)strip);
+ return -1;
+ }
+ if (memcmp(buf, (char *)array + offset, bufsize) != 0) {
+ fprintf (stderr, "Wrong data read for strip %lu.\n",
+ (unsigned long)strip);
+ _TIFFfree(buf);
+ return -1;
+ }
+ }
+
+ _TIFFfree(buf);
+
+ return 0;
+}
+
+int
+create_image_striped(const char *name, uint32 width, uint32 length,
+ uint32 rowsperstrip, uint16 compression,
+ uint16 spp, uint16 bps, uint16 photometric,
+ uint16 sampleformat, uint16 planarconfig,
+ const tdata_t array, const tsize_t size)
+{
+ TIFF *tif;
+
+ /* Test whether we can write tags. */
+ tif = TIFFOpen(name, "w");
+ if (!tif)
+ goto openfailure;
+
+ 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, rowsperstrip)) {
+ fprintf (stderr, "Can't set RowsPerStrip 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;
+ }
+
+ if (write_strips(tif, array, size) < 0) {
+ fprintf (stderr, "Can't write image data.\n");
+ goto failure;
+ }
+
+ TIFFClose(tif);
+ return 0;
+
+failure:
+ TIFFClose(tif);
+openfailure:
+ fprintf (stderr, "Can't create test TIFF file %s:\n"
+" ImageWidth=%u, ImageLength=%u, RowsPerStrip=%u, Compression=%d,\n"
+" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
+" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
+ name, width, length, rowsperstrip, compression,
+ bps, spp, sampleformat, planarconfig,
+ photometric);
+ return -1;
+}
+
+int
+read_image_striped(const char *name, uint32 width, uint32 length,
+ uint32 rowsperstrip, uint16 compression,
+ uint16 spp, uint16 bps, uint16 photometric,
+ uint16 sampleformat, uint16 planarconfig,
+ const tdata_t array, const tsize_t size)
+{
+ TIFF *tif;
+ uint16 value_u16;
+ uint32 value_u32;
+
+ /* Test whether we can read written values. */
+ tif = TIFFOpen(name, "r");
+ if (!tif)
+ goto openfailure;
+
+ if (TIFFIsTiled(tif)) {
+ fprintf (stderr, "Can't read image %s, it is tiled.\n",
+ name);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &value_u32)
+ || value_u32 != width) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGEWIDTH);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &value_u32)
+ || value_u32 != length) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &value_u16)
+ || value_u16 != bps) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_BITSPERSAMPLE);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &value_u16)
+ || value_u16 != photometric) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PHOTOMETRIC);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &value_u16)
+ || value_u16 != spp) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_SAMPLESPERPIXEL);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_ROWSPERSTRIP, &value_u32)
+ || value_u32 != rowsperstrip) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_ROWSPERSTRIP);
+ goto failure;
+ }
+ if (!TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &value_u16)
+ || value_u16 != planarconfig) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_PLANARCONFIG);
+ goto failure;
+ }
+
+ if (read_strips(tif, array, size) < 0) {
+ fprintf (stderr, "Can't read image data.\n");
+ goto failure;
+ }
+
+ TIFFClose(tif);
+ return 0;
+
+failure:
+ TIFFClose(tif);
+openfailure:
+ fprintf (stderr, "Can't read test TIFF file %s:\n"
+" ImageWidth=%u, ImageLength=%u, RowsPerStrip=%u, Compression=%d,\n"
+" BitsPerSample=%d, SamplesPerPixel=%d, SampleFormat=%d,\n"
+" PlanarConfiguration=%d, PhotometricInterpretation=%d.\n",
+ name, width, length, rowsperstrip, compression,
+ bps, spp, sampleformat, planarconfig,
+ photometric);
+ return -1;
+}
+
+int
+write_scanlines(TIFF *tif, const tdata_t array, const tsize_t size)
+{
+ uint32 length, row;
+ tsize_t scanlinesize, offset;
+
+ (void) size;
+
+ if (!TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &length)) {
+ fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_IMAGELENGTH);
+ return -1;
+ }
+
+ scanlinesize = TIFFScanlineSize(tif);
+ if (!scanlinesize) {
+ fprintf (stderr, "Wrong size of scanline.\n");
+ return -1;
+ }
+
+ for (offset = 0, row = 0; row < length; offset+=scanlinesize, row++) {
+ if (TIFFWriteScanline(tif, (char *)array + offset, row, 0) < 0) {
+ fprintf (stderr,
+ "Can't write image data at row %u.\n", row);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */
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