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#ifndef lint
static char rcsid[] = "/mode/users/src/master/tiff/tools/ras2tiff.c,v 1.1.1.1 1994/04/01 17:15:33 fedor Exp";
#endif
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
* Copyright (c) 1991, 1992 Silicon Graphics, Inc.
*
* 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.
*/
#include <stdio.h>
#include "rasterfile.h"
#include "tiffio.h"
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned long u_long;
#define howmany(x, y) (((x)+((y)-1))/(y))
#define streq(a,b) (strcmp(a,b) == 0)
u_short config = PLANARCONFIG_CONTIG;
u_short compression = -1;
u_long rowsperstrip = (u_long) -1;
main(argc, argv)
char *argv[];
{
u_char *buf;
int row, linebytes;
TIFF *out;
FILE *in;
struct rasterfile h;
argc--, argv++;
if (argc < 2)
usage();
for (; argc > 2 && argv[0][0] == '-'; argc--, argv++) {
if (streq(argv[0], "-none")) {
compression = COMPRESSION_NONE;
continue;
}
if (streq(argv[0], "-packbits")) {
compression = COMPRESSION_PACKBITS;
continue;
}
if (streq(argv[0], "-lzw")) {
compression = COMPRESSION_LZW;
continue;
}
if (streq(argv[0], "-rowsperstrip")) {
argc--, argv++;
rowsperstrip = atoi(argv[0]);
continue;
}
usage();
}
in = fopen(argv[0], "r");
if (in == NULL) {
fprintf(stderr, "%s: Can not open.\n", argv[0]);
exit(-1);
}
if (fread(&h, sizeof (h), 1, in) != 1) {
fprintf(stderr, "%s: Can not read header.\n", argv[0]);
exit(-2);
}
if (h.ras_magic != RAS_MAGIC) {
fprintf(stderr, "%s: Not a rasterfile.\n", argv[0]);
exit(-3);
}
out = TIFFOpen(argv[1], "w");
if (out == NULL)
exit(-4);
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (u_long) h.ras_width);
TIFFSetField(out, TIFFTAG_IMAGELENGTH, (u_long) h.ras_height);
TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, h.ras_depth > 8 ? 3 : 1);
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, h.ras_depth > 1 ? 8 : 1);
TIFFSetField(out, TIFFTAG_PLANARCONFIG, config);
if (h.ras_maptype != RMT_NONE) {
register u_short *red;
register int i, j;
int mapsize;
buf = (u_char *)malloc(h.ras_maplength);
if (buf == NULL) {
fprintf(stderr, "No space to read in colormap.\n");
exit(-5);
}
if (fread(buf, h.ras_maplength, 1, in) != 1) {
fprintf(stderr, "%s: Read error on colormap.\n",
argv[0]);
exit(-6);
}
mapsize = 1<<h.ras_depth;
if (h.ras_maplength > mapsize*3) {
fprintf(stderr,
"%s: Huh, %d colormap entries, should be %d?\n",
argv[0], h.ras_maplength, mapsize*3);
exit(-7);
}
red = (u_short *)malloc(mapsize * 3 * sizeof (u_short));
if (red == NULL) {
fprintf(stderr, "No space for colormap.\n");
exit(-8);
}
for (j = 0; j < 3; j++) {
#define SCALE(x) (((x)*((1L<<16)-1))/255)
for (i = h.ras_maplength/3; i-- > 0;)
*red++ = SCALE(*buf++);
if ((i = h.ras_maplength/3) < mapsize) {
i = mapsize - i;
bzero(red, i*sizeof (u_short));
red += i;
}
}
TIFFSetField(out, TIFFTAG_COLORMAP,
red, red + mapsize, red + 2*mapsize);
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_PALETTE);
if (compression == (u_short)-1)
compression = COMPRESSION_PACKBITS;
TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
} else {
/* XXX this is bogus... */
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, h.ras_depth == 24 ?
PHOTOMETRIC_RGB : PHOTOMETRIC_MINISBLACK);
if (compression == (u_short)-1)
compression = COMPRESSION_LZW;
TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
}
linebytes = ((h.ras_depth*h.ras_width+15) >> 3) &~ 1;
if (TIFFScanlineSize(out) > linebytes)
buf = (u_char *)malloc(linebytes);
else
buf = (u_char *)malloc(TIFFScanlineSize(out));
if (rowsperstrip == (u_long)-1)
rowsperstrip = (8*1024)/linebytes;
TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
rowsperstrip == 0 ? 1L : rowsperstrip);
for (row = 0; row < h.ras_height; row++) {
if (fread(buf, linebytes, 1, in) != 1) {
fprintf(stderr, "%s: scanline %d: Read error.\n",
argv[0], row);
break;
}
if (TIFFWriteScanline(out, buf, row, 0) < 0)
break;
}
(void) TIFFClose(out);
}
usage()
{
fprintf(stderr, "usage: ras2tif [options] input output\n");
fprintf(stderr, "where options are:\n");
fprintf(stderr,
" -lzw\t\tcompress output with Lempel-Ziv & Welch encoding\n");
fprintf(stderr,
" -packbits\tcompress output with packbits encoding\n");
fprintf(stderr,
" -none\t\tuse no compression algorithm on output\n");
fprintf(stderr, "\n");
fprintf(stderr,
" -rowsperstrip #\tmake each strip have no more than # rows\n");
exit(-1);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.