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-rwxr-xr-xtiff/tools/ppm2tiff.c395
1 files changed, 395 insertions, 0 deletions
diff --git a/tiff/tools/ppm2tiff.c b/tiff/tools/ppm2tiff.c
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+++ b/tiff/tools/ppm2tiff.c
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+/* $Id: ppm2tiff.c,v 1.18 2012-12-10 18:19:11 tgl Exp $ */
+
+/*
+ * Copyright (c) 1991-1997 Sam Leffler
+ * Copyright (c) 1991-1997 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 "tif_config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef HAVE_FCNTL_H
+# include <fcntl.h>
+#endif
+
+#ifdef HAVE_IO_H
+# include <io.h>
+#endif
+
+#ifdef NEED_LIBPORT
+# include "libport.h"
+#endif
+
+#include "tiffio.h"
+
+#ifndef HAVE_GETOPT
+extern int getopt(int, char**, char*);
+#endif
+
+#define streq(a,b) (strcmp(a,b) == 0)
+#define strneq(a,b,n) (strncmp(a,b,n) == 0)
+
+static uint16 compression = COMPRESSION_PACKBITS;
+static uint16 predictor = 0;
+static int quality = 75; /* JPEG quality */
+static int jpegcolormode = JPEGCOLORMODE_RGB;
+static uint32 g3opts;
+
+static void usage(void);
+static int processCompressOptions(char*);
+
+static void
+BadPPM(char* file)
+{
+ fprintf(stderr, "%s: Not a PPM file.\n", file);
+ exit(-2);
+}
+
+static tmsize_t
+multiply_ms(tmsize_t m1, tmsize_t m2)
+{
+ tmsize_t bytes = m1 * m2;
+
+ if (m1 && bytes / m1 != m2)
+ bytes = 0;
+
+ return bytes;
+}
+
+int
+main(int argc, char* argv[])
+{
+ uint16 photometric = 0;
+ uint32 rowsperstrip = (uint32) -1;
+ double resolution = -1;
+ unsigned char *buf = NULL;
+ tmsize_t linebytes = 0;
+ uint16 spp = 1;
+ uint16 bpp = 8;
+ TIFF *out;
+ FILE *in;
+ unsigned int w, h, prec, row;
+ char *infile;
+ int c;
+ extern int optind;
+ extern char* optarg;
+ tmsize_t scanline_size;
+
+ if (argc < 2) {
+ fprintf(stderr, "%s: Too few arguments\n", argv[0]);
+ usage();
+ }
+ while ((c = getopt(argc, argv, "c:r:R:")) != -1)
+ switch (c) {
+ case 'c': /* compression scheme */
+ if (!processCompressOptions(optarg))
+ usage();
+ break;
+ case 'r': /* rows/strip */
+ rowsperstrip = atoi(optarg);
+ break;
+ case 'R': /* resolution */
+ resolution = atof(optarg);
+ break;
+ case '?':
+ usage();
+ /*NOTREACHED*/
+ }
+
+ if (optind + 2 < argc) {
+ fprintf(stderr, "%s: Too many arguments\n", argv[0]);
+ usage();
+ }
+
+ /*
+ * If only one file is specified, read input from
+ * stdin; otherwise usage is: ppm2tiff input output.
+ */
+ if (argc - optind > 1) {
+ infile = argv[optind++];
+ in = fopen(infile, "rb");
+ if (in == NULL) {
+ fprintf(stderr, "%s: Can not open.\n", infile);
+ return (-1);
+ }
+ } else {
+ infile = "<stdin>";
+ in = stdin;
+#if defined(HAVE_SETMODE) && defined(O_BINARY)
+ setmode(fileno(stdin), O_BINARY);
+#endif
+ }
+
+ if (fgetc(in) != 'P')
+ BadPPM(infile);
+ switch (fgetc(in)) {
+ case '4': /* it's a PBM file */
+ bpp = 1;
+ spp = 1;
+ photometric = PHOTOMETRIC_MINISWHITE;
+ break;
+ case '5': /* it's a PGM file */
+ bpp = 8;
+ spp = 1;
+ photometric = PHOTOMETRIC_MINISBLACK;
+ break;
+ case '6': /* it's a PPM file */
+ bpp = 8;
+ spp = 3;
+ photometric = PHOTOMETRIC_RGB;
+ if (compression == COMPRESSION_JPEG &&
+ jpegcolormode == JPEGCOLORMODE_RGB)
+ photometric = PHOTOMETRIC_YCBCR;
+ break;
+ default:
+ BadPPM(infile);
+ }
+
+ /* Parse header */
+ while(1) {
+ if (feof(in))
+ BadPPM(infile);
+ c = fgetc(in);
+ /* Skip whitespaces (blanks, TABs, CRs, LFs) */
+ if (strchr(" \t\r\n", c))
+ continue;
+
+ /* Check for comment line */
+ if (c == '#') {
+ do {
+ c = fgetc(in);
+ } while(!(strchr("\r\n", c) || feof(in)));
+ continue;
+ }
+
+ ungetc(c, in);
+ break;
+ }
+ switch (bpp) {
+ case 1:
+ if (fscanf(in, " %u %u", &w, &h) != 2)
+ BadPPM(infile);
+ if (fgetc(in) != '\n')
+ BadPPM(infile);
+ break;
+ case 8:
+ if (fscanf(in, " %u %u %u", &w, &h, &prec) != 3)
+ BadPPM(infile);
+ if (fgetc(in) != '\n' || prec != 255)
+ BadPPM(infile);
+ break;
+ }
+ out = TIFFOpen(argv[optind], "w");
+ if (out == NULL)
+ return (-4);
+ TIFFSetField(out, TIFFTAG_IMAGEWIDTH, (uint32) w);
+ TIFFSetField(out, TIFFTAG_IMAGELENGTH, (uint32) h);
+ TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
+ TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, spp);
+ TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, bpp);
+ TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
+ TIFFSetField(out, TIFFTAG_PHOTOMETRIC, photometric);
+ TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
+ switch (compression) {
+ case COMPRESSION_JPEG:
+ TIFFSetField(out, TIFFTAG_JPEGQUALITY, quality);
+ TIFFSetField(out, TIFFTAG_JPEGCOLORMODE, jpegcolormode);
+ break;
+ case COMPRESSION_LZW:
+ case COMPRESSION_DEFLATE:
+ if (predictor != 0)
+ TIFFSetField(out, TIFFTAG_PREDICTOR, predictor);
+ break;
+ case COMPRESSION_CCITTFAX3:
+ TIFFSetField(out, TIFFTAG_GROUP3OPTIONS, g3opts);
+ break;
+ }
+ switch (bpp) {
+ case 1:
+ /* if round-up overflows, result will be zero, OK */
+ linebytes = (multiply_ms(spp, w) + (8 - 1)) / 8;
+ if (rowsperstrip == (uint32) -1) {
+ TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, h);
+ } else {
+ TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
+ TIFFDefaultStripSize(out, rowsperstrip));
+ }
+ break;
+ case 8:
+ linebytes = multiply_ms(spp, w);
+ TIFFSetField(out, TIFFTAG_ROWSPERSTRIP,
+ TIFFDefaultStripSize(out, rowsperstrip));
+ break;
+ }
+ if (linebytes == 0) {
+ fprintf(stderr, "%s: scanline size overflow\n", infile);
+ (void) TIFFClose(out);
+ exit(-2);
+ }
+ scanline_size = TIFFScanlineSize(out);
+ if (scanline_size == 0) {
+ /* overflow - TIFFScanlineSize already printed a message */
+ (void) TIFFClose(out);
+ exit(-2);
+ }
+ if (scanline_size < linebytes)
+ buf = (unsigned char *)_TIFFmalloc(linebytes);
+ else
+ buf = (unsigned char *)_TIFFmalloc(scanline_size);
+ if (buf == NULL) {
+ fprintf(stderr, "%s: Not enough memory\n", infile);
+ (void) TIFFClose(out);
+ exit(-2);
+ }
+ if (resolution > 0) {
+ TIFFSetField(out, TIFFTAG_XRESOLUTION, resolution);
+ TIFFSetField(out, TIFFTAG_YRESOLUTION, resolution);
+ TIFFSetField(out, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
+ }
+ for (row = 0; row < h; row++) {
+ if (fread(buf, linebytes, 1, in) != 1) {
+ fprintf(stderr, "%s: scanline %lu: Read error.\n",
+ infile, (unsigned long) row);
+ break;
+ }
+ if (TIFFWriteScanline(out, buf, row, 0) < 0)
+ break;
+ }
+ (void) TIFFClose(out);
+ if (buf)
+ _TIFFfree(buf);
+ return (0);
+}
+
+static void
+processG3Options(char* cp)
+{
+ g3opts = 0;
+ if( (cp = strchr(cp, ':')) ) {
+ do {
+ cp++;
+ if (strneq(cp, "1d", 2))
+ g3opts &= ~GROUP3OPT_2DENCODING;
+ else if (strneq(cp, "2d", 2))
+ g3opts |= GROUP3OPT_2DENCODING;
+ else if (strneq(cp, "fill", 4))
+ g3opts |= GROUP3OPT_FILLBITS;
+ else
+ usage();
+ } while( (cp = strchr(cp, ':')) );
+ }
+}
+
+static int
+processCompressOptions(char* opt)
+{
+ if (streq(opt, "none"))
+ compression = COMPRESSION_NONE;
+ else if (streq(opt, "packbits"))
+ compression = COMPRESSION_PACKBITS;
+ else if (strneq(opt, "jpeg", 4)) {
+ char* cp = strchr(opt, ':');
+
+ compression = COMPRESSION_JPEG;
+ while (cp)
+ {
+ if (isdigit((int)cp[1]))
+ quality = atoi(cp+1);
+ else if (cp[1] == 'r' )
+ jpegcolormode = JPEGCOLORMODE_RAW;
+ else
+ usage();
+
+ cp = strchr(cp+1,':');
+ }
+ } else if (strneq(opt, "g3", 2)) {
+ processG3Options(opt);
+ compression = COMPRESSION_CCITTFAX3;
+ } else if (streq(opt, "g4")) {
+ compression = COMPRESSION_CCITTFAX4;
+ } else if (strneq(opt, "lzw", 3)) {
+ char* cp = strchr(opt, ':');
+ if (cp)
+ predictor = atoi(cp+1);
+ compression = COMPRESSION_LZW;
+ } else if (strneq(opt, "zip", 3)) {
+ char* cp = strchr(opt, ':');
+ if (cp)
+ predictor = atoi(cp+1);
+ compression = COMPRESSION_DEFLATE;
+ } else
+ return (0);
+ return (1);
+}
+
+char* stuff[] = {
+"usage: ppm2tiff [options] input.ppm output.tif",
+"where options are:",
+" -r # make each strip have no more than # rows",
+" -R # set x&y resolution (dpi)",
+"",
+" -c jpeg[:opts] compress output with JPEG encoding",
+" -c lzw[:opts] compress output with Lempel-Ziv & Welch encoding",
+" -c zip[:opts] compress output with deflate encoding",
+" -c packbits compress output with packbits encoding (the default)",
+" -c g3[:opts] compress output with CCITT Group 3 encoding",
+" -c g4 compress output with CCITT Group 4 encoding",
+" -c none use no compression algorithm on output",
+"",
+"JPEG options:",
+" # set compression quality level (0-100, default 75)",
+" r output color image as RGB rather than YCbCr",
+"LZW and deflate options:",
+" # set predictor value",
+"For example, -c lzw:2 to get LZW-encoded data with horizontal differencing",
+NULL
+};
+
+static void
+usage(void)
+{
+ char buf[BUFSIZ];
+ int i;
+
+ setbuf(stderr, buf);
+ fprintf(stderr, "%s\n\n", TIFFGetVersion());
+ for (i = 0; stuff[i] != NULL; i++)
+ fprintf(stderr, "%s\n", stuff[i]);
+ exit(-1);
+}
+
+/* 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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