src/3rdparty/libtiff/test/strip.c
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/libtiff/test/strip.c	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,289 @@
+/* $Id: strip.c,v 1.3 2006/03/23 14:54:02 dron 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=%ld, ImageLength=%ld, RowsPerStrip=%ld, 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=%ld, ImageLength=%ld, RowsPerStrip=%ld, 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;
+
+	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 %lu.\n", row);
+			return -1;
+		}
+        }
+
+	return 0;
+}
+
+/* vim: set ts=8 sts=8 sw=8 noet: */