singe/thirdparty/SDL2_image/external/libtiff/test/strip.c
2023-10-23 19:38:18 -05:00

310 lines
9.1 KiB
C

/*
* 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 %" PRIu32 ".\n", 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 %" PRIu32 ".\n", strip);
return -1;
}
if (memcmp(buf, (char *)array + offset, bufsize) != 0)
{
fprintf(stderr, "Wrong data read for strip %" PRIu32 ".\n", strip);
_TIFFfree(buf);
return -1;
}
}
_TIFFfree(buf);
return 0;
}
int create_image_striped(const char *name, uint32_t width, uint32_t length,
uint32_t rowsperstrip, uint16_t compression,
uint16_t spp, uint16_t bps, uint16_t photometric,
uint16_t sampleformat, uint16_t 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=%" PRIu32 ", ImageLength=%" PRIu32
", RowsPerStrip=%" PRIu32 ", Compression=%" PRIu16 ",\n"
" BitsPerSample=%" PRIu16 ", SamplesPerPixel=%" PRIu16
", SampleFormat=%" PRIu16 ",\n"
" PlanarConfiguration=%" PRIu16
", PhotometricInterpretation=%" PRIu16 ".\n",
name, width, length, rowsperstrip, compression, bps, spp,
sampleformat, planarconfig, photometric);
return -1;
}
int read_image_striped(const char *name, uint32_t width, uint32_t length,
uint32_t rowsperstrip, uint16_t compression,
uint16_t spp, uint16_t bps, uint16_t photometric,
uint16_t sampleformat, uint16_t planarconfig,
const tdata_t array, const tsize_t size)
{
TIFF *tif;
uint16_t value_u16;
uint32_t 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=%" PRIu32 ", ImageLength=%" PRIu32
", RowsPerStrip=%" PRIu32 ", Compression=%" PRIu16 ",\n"
" BitsPerSample=%" PRIu16 ", SamplesPerPixel=%" PRIu16
", SampleFormat=%" PRIu16 ",\n"
" PlanarConfiguration=%" PRIu16
", PhotometricInterpretation=%" PRIu16 ".\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_t 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) == -1)
{
fprintf(stderr, "Can't write image data at row %" PRIu32 ".\n",
row);
return -1;
}
}
return 0;
}