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Diffstat (limited to 'tiff/tools/fax2ps.c')
| -rw-r--r-- | tiff/tools/fax2ps.c | 446 |
1 files changed, 446 insertions, 0 deletions
diff --git a/tiff/tools/fax2ps.c b/tiff/tools/fax2ps.c new file mode 100644 index 0000000..b2611b9 --- /dev/null +++ b/tiff/tools/fax2ps.c @@ -0,0 +1,446 @@ +/* $Id: fax2ps.c,v 1.22.2.1 2010-06-08 18:50:43 bfriesen 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 <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <time.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 + +#include "tiffio.h" + +float defxres = 204.; /* default x resolution (pixels/inch) */ +float defyres = 98.; /* default y resolution (lines/inch) */ +const float half = 0.5; +const float points = 72.0; +float pageWidth = 0; /* image page width (inches) */ +float pageHeight = 0; /* image page length (inches) */ +int scaleToPage = 0; /* if true, scale raster to page dimensions */ +int totalPages = 0; /* total # pages printed */ +int row; /* current output row */ +int maxline = 512; /* max output line of PostScript */ + +/* + * Turn a bit-mapped scanline into the appropriate sequence + * of PostScript characters to be rendered. + * + * Original version written by Bret D. Whissel, + * Florida State University Meteorology Department + * March 13-15, 1995. + */ +static void +printruns(unsigned char* buf, uint32* runs, uint32* erun, uint32 lastx) +{ + static struct { + char white, black; + unsigned short width; + } WBarr[] = { + { 'd', 'n', 512 }, { 'e', 'o', 256 }, { 'f', 'p', 128 }, + { 'g', 'q', 64 }, { 'h', 'r', 32 }, { 'i', 's', 16 }, + { 'j', 't', 8 }, { 'k', 'u', 4 }, { 'l', 'v', 2 }, + { 'm', 'w', 1 } + }; + static char* svalue = + " !\"#$&'*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[]^_`abc"; + int colormode = 1; /* 0 for white, 1 for black */ + uint32 runlength = 0; + int n = maxline; + uint32 x = 0; + int l; + + (void) buf; + printf("%d m(", row++); + while (runs < erun) { + if (runlength <= 0) { + colormode ^= 1; + runlength = *runs++; + if (x+runlength > lastx) + runlength = runs[-1] = lastx-x; + x += runlength; + if (!colormode && runs == erun) + break; /* don't bother printing the final white run */ + } + /* + * If a runlength is greater than 6 pixels, then spit out + * black or white characters until the runlength drops to + * 6 or less. Once a runlength is <= 6, then combine black + * and white runlengths until a 6-pixel pattern is obtained. + * Then write out the special character. Six-pixel patterns + * were selected since 64 patterns is the largest power of + * two less than the 92 "easily printable" PostScript + * characters (i.e., no escape codes or octal chars). + */ + l = 0; + while (runlength > 6) { /* Run is greater than six... */ + if (runlength >= WBarr[l].width) { + if (n == 0) { + putchar('\n'); + n = maxline; + } + putchar(colormode ? WBarr[l].black : WBarr[l].white), n--; + runlength -= WBarr[l].width; + } else + l++; + } + while (runlength > 0 && runlength <= 6) { + uint32 bitsleft = 6; + int t = 0; + while (bitsleft) { + if (runlength <= bitsleft) { + if (colormode) + t |= ((1 << runlength)-1) << (bitsleft-runlength); + bitsleft -= runlength; + runlength = 0; + if (bitsleft) { + if (runs >= erun) + break; + colormode ^= 1; + runlength = *runs++; + if (x+runlength > lastx) + runlength = runs[-1] = lastx-x; + x += runlength; + } + } else { /* runlength exceeds bits left */ + if (colormode) + t |= ((1 << bitsleft)-1); + runlength -= bitsleft; + bitsleft = 0; + } + } + if (n == 0) { + putchar('\n'); + n = maxline; + } + putchar(svalue[t]), n--; + } + } + printf(")s\n"); +} + +/* + * Create a special PostScript font for printing FAX documents. By taking + * advantage of the font-cacheing mechanism, a substantial speed-up in + * rendering time is realized. + */ +static void +emitFont(FILE* fd) +{ + static const char* fontPrologue[] = { + "/newfont 10 dict def newfont begin /FontType 3 def /FontMatrix [1", + "0 0 1 0 0] def /FontBBox [0 0 512 1] def /Encoding 256 array def", + "0 1 31{Encoding exch /255 put}for 120 1 255{Encoding exch /255", + "put}for Encoding 37 /255 put Encoding 40 /255 put Encoding 41 /255", + "put Encoding 92 /255 put /count 0 def /ls{Encoding exch count 3", + "string cvs cvn put /count count 1 add def}def 32 1 36{ls}for", + "38 1 39{ls}for 42 1 91{ls}for 93 1 99{ls}for /count 100", + "def 100 1 119{ls}for /CharDict 5 dict def CharDict begin /white", + "{dup 255 eq{pop}{1 dict begin 100 sub neg 512 exch bitshift", + "/cw exch def cw 0 0 0 cw 1 setcachedevice end}ifelse}def /black", + "{dup 255 eq{pop}{1 dict begin 110 sub neg 512 exch bitshift", + "/cw exch def cw 0 0 0 cw 1 setcachedevice 0 0 moveto cw 0 rlineto", + "0 1 rlineto cw neg 0 rlineto closepath fill end}ifelse}def /numbuild", + "{dup 255 eq{pop}{6 0 0 0 6 1 setcachedevice 0 1 5{0 moveto", + "dup 32 and 32 eq{1 0 rlineto 0 1 rlineto -1 0 rlineto closepath", + "fill newpath}if 1 bitshift}for pop}ifelse}def /.notdef {}", + "def /255 {}def end /BuildChar{exch begin dup 110 ge{Encoding", + "exch get 3 string cvs cvi CharDict /black get}{dup 100 ge {Encoding", + "exch get 3 string cvs cvi CharDict /white get}{Encoding exch get", + "3 string cvs cvi CharDict /numbuild get}ifelse}ifelse exec end", + "}def end /Bitfont newfont definefont 1 scalefont setfont", + NULL + }; + int i; + for (i = 0; fontPrologue[i] != NULL; i++) + fprintf(fd, "%s\n", fontPrologue[i]); +} + +void +printTIF(TIFF* tif, uint16 pageNumber) +{ + uint32 w, h; + uint16 unit, compression; + float xres, yres, scale = 1.0; + tstrip_t s, ns; + time_t creation_time; + + TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &h); + TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &w); + if (!TIFFGetField(tif, TIFFTAG_COMPRESSION, &compression) + || compression < COMPRESSION_CCITTRLE + || compression > COMPRESSION_CCITT_T6) + return; + if (!TIFFGetField(tif, TIFFTAG_XRESOLUTION, &xres) || !xres) { + TIFFWarning(TIFFFileName(tif), + "No x-resolution, assuming %g dpi", defxres); + xres = defxres; + } + if (!TIFFGetField(tif, TIFFTAG_YRESOLUTION, &yres) || !yres) { + TIFFWarning(TIFFFileName(tif), + "No y-resolution, assuming %g lpi", defyres); + yres = defyres; /* XXX */ + } + if (TIFFGetField(tif, TIFFTAG_RESOLUTIONUNIT, &unit) && + unit == RESUNIT_CENTIMETER) { + xres *= 2.54F; + yres *= 2.54F; + } + if (pageWidth == 0) + pageWidth = w / xres; + if (pageHeight == 0) + pageHeight = h / yres; + + printf("%%!PS-Adobe-3.0\n"); + printf("%%%%Creator: fax2ps\n"); +#ifdef notdef + printf("%%%%Title: %s\n", file); +#endif + creation_time = time(0); + printf("%%%%CreationDate: %s", ctime(&creation_time)); + printf("%%%%Origin: 0 0\n"); + printf("%%%%BoundingBox: 0 0 %u %u\n", + (int)(pageWidth * points), (int)(pageHeight * points)); /* XXX */ + printf("%%%%Pages: (atend)\n"); + printf("%%%%EndComments\n"); + printf("%%%%BeginProlog\n"); + emitFont(stdout); + printf("/d{bind def}def\n"); /* bind and def proc */ + printf("/m{0 exch moveto}d\n"); + printf("/s{show}d\n"); + printf("/p{showpage}d \n"); /* end page */ + printf("%%%%EndProlog\n"); + printf("%%%%Page: \"%u\" %u\n", pageNumber, pageNumber); + printf("/$pageTop save def gsave\n"); + if (scaleToPage) + scale = pageHeight / (h/yres) < pageWidth / (w/xres) ? + pageHeight / (h/yres) : pageWidth / (w/xres); + printf("%g %g translate\n", + points * (pageWidth - scale*w/xres) * half, + points * (scale*h/yres + (pageHeight - scale*h/yres) * half)); + printf("%g %g scale\n", points/xres*scale, -points/yres*scale); + printf("0 setgray\n"); + TIFFSetField(tif, TIFFTAG_FAXFILLFUNC, printruns); + ns = TIFFNumberOfStrips(tif); + row = 0; + for (s = 0; s < ns; s++) + (void) TIFFReadEncodedStrip(tif, s, (tdata_t) NULL, (tsize_t) -1); + printf("p\n"); + printf("grestore $pageTop restore\n"); + totalPages++; +} + +#define GetPageNumber(tif) \ +TIFFGetField(tif, TIFFTAG_PAGENUMBER, &pn, &ptotal) + +int +findPage(TIFF* tif, uint16 pageNumber) +{ + uint16 pn = (uint16) -1; + uint16 ptotal = (uint16) -1; + if (GetPageNumber(tif)) { + while (pn != pageNumber && TIFFReadDirectory(tif) && GetPageNumber(tif)) + ; + return (pn == pageNumber); + } else + return (TIFFSetDirectory(tif, (tdir_t)(pageNumber-1))); +} + +void +fax2ps(TIFF* tif, uint16 npages, uint16* pages, char* filename) +{ + if (npages > 0) { + uint16 pn, ptotal; + int i; + + if (!GetPageNumber(tif)) + fprintf(stderr, "%s: No page numbers, counting directories.\n", + filename); + for (i = 0; i < npages; i++) { + if (findPage(tif, pages[i])) + printTIF(tif, pages[i]); + else + fprintf(stderr, "%s: No page number %d\n", filename, pages[i]); + } + } else { + uint16 pageNumber = 0; + do + printTIF(tif, pageNumber++); + while (TIFFReadDirectory(tif)); + } +} + +#undef GetPageNumber + +static int +pcompar(const void* va, const void* vb) +{ + const int* pa = (const int*) va; + const int* pb = (const int*) vb; + return (*pa - *pb); +} + +static void usage(int code); + +int +main(int argc, char** argv) +{ + extern int optind; + extern char* optarg; + uint16 *pages = NULL, npages = 0, pageNumber; + int c, dowarnings = 0; /* if 1, enable library warnings */ + TIFF* tif; + + while ((c = getopt(argc, argv, "l:p:x:y:W:H:wS")) != -1) + switch (c) { + case 'H': /* page height */ + pageHeight = (float)atof(optarg); + break; + case 'S': /* scale to page */ + scaleToPage = 1; + break; + case 'W': /* page width */ + pageWidth = (float)atof(optarg); + break; + case 'p': /* print specific page */ + pageNumber = (uint16)atoi(optarg); + if (pages) + pages = (uint16*) realloc(pages, (npages+1)*sizeof(uint16)); + else + pages = (uint16*) malloc(sizeof(uint16)); + pages[npages++] = pageNumber; + break; + case 'w': + dowarnings = 1; + break; + case 'x': + defxres = (float)atof(optarg); + break; + case 'y': + defyres = (float)atof(optarg); + break; + case 'l': + maxline = atoi(optarg); + break; + case '?': + usage(-1); + } + if (npages > 0) + qsort(pages, npages, sizeof(uint16), pcompar); + if (!dowarnings) + TIFFSetWarningHandler(0); + if (optind < argc) { + do { + tif = TIFFOpen(argv[optind], "r"); + if (tif) { + fax2ps(tif, npages, pages, argv[optind]); + TIFFClose(tif); + } else + fprintf(stderr, "%s: Can not open, or not a TIFF file.\n", + argv[optind]); + } while (++optind < argc); + } else { + int n; + FILE* fd; + char buf[16*1024]; + + fd = tmpfile(); + if (fd == NULL) { + fprintf(stderr, "Could not create temporary file, exiting.\n"); + fclose(fd); + exit(-2); + } +#if defined(HAVE_SETMODE) && defined(O_BINARY) + setmode(fileno(stdin), O_BINARY); +#endif + while ((n = read(fileno(stdin), buf, sizeof (buf))) > 0) + write(fileno(fd), buf, n); + lseek(fileno(fd), 0, SEEK_SET); +#if defined(_WIN32) && defined(USE_WIN32_FILEIO) + tif = TIFFFdOpen(_get_osfhandle(fileno(fd)), "temp", "r"); +#else + tif = TIFFFdOpen(fileno(fd), "temp", "r"); +#endif + if (tif) { + fax2ps(tif, npages, pages, "<stdin>"); + TIFFClose(tif); + } else + fprintf(stderr, "Can not open, or not a TIFF file.\n"); + fclose(fd); + } + printf("%%%%Trailer\n"); + printf("%%%%Pages: %u\n", totalPages); + printf("%%%%EOF\n"); + + return (0); +} + +char* stuff[] = { +"usage: fax2ps [options] [input.tif ...]", +"where options are:", +" -w suppress warning messages", +" -l chars set maximum output line length for generated PostScript", +" -p page# select page to print (can use multiple times)", +" -x xres set default horizontal resolution of input data (dpi)", +" -y yres set default vertical resolution of input data (lpi)", +" -S scale output to page size", +" -W width set output page width (inches), default is 8.5", +" -H height set output page height (inches), default is 11", +NULL +}; + +static void +usage(int code) +{ + 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(code); +} + +/* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |