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/* pbmtoepsi.c
**
** by Doug Crabill, based heavily on pbmtoascii
**
** Converts a pbm file to an encapsulated PostScript style bitmap.
** Note that it does NOT covert the pbm file to PostScript, only to
** a bitmap to be added to a piece of PostScript generated elsewhere.
**
** Copyright (C) 1988 by Jef Poskanzer.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that the above copyright notice appear in all copies and that both that
** copyright notice and this permission notice appear in supporting
** documentation. This software is provided "as is" without express or
** implied warranty.
*/
#include "pbm.h"
#if !defined(MAXINT)
#define MAXINT (0x7fffffff)
#endif
int
main( argc, argv )
int argc;
char *argv[];
{
FILE *ifd;
register bit **bits;
int argn, rows, cols, row, col, tot, count;
int top = MAXINT, bottom = -MAXINT, left = MAXINT, right = -MAXINT;
int bbonly = 0;
char *usage = "[-bbonly] [pbmfile]";
pbm_init( &argc, argv );
argn = 1;
if ( argn < argc && argv[argn][0] == '-' && argv[argn][1] != '\0' ) {
if ( pm_keymatch( argv[argn], "-bbonly", 2 ) ) {
bbonly = 1;
} else {
pm_usage( usage );
}
++argn;
}
if ( argn != argc ) {
ifd = pm_openr( argv[argn] );
++argn;
} else {
ifd = stdin;
}
if ( argn != argc )
pm_usage( usage );
bits = pbm_readpbm( ifd, &cols, &rows );
pm_close( ifd );
for (row = 0; row < rows; row++) {
for (col = 0; col < cols; col++) {
if (bits[row][col] == PBM_BLACK) {
if (row < top) {
top = row;
}
if (row > bottom) {
bottom = row;
}
if (col < left) {
left = col;
}
if (col > right) {
right = col;
}
}
}
}
printf("%%!PS-Adobe-2.0 EPSF-1.2\n");
printf("%%%%BoundingBox: %d %d %d %d\n", left, rows - bottom, right, rows - top);
if (bbonly) {
exit(0);
}
printf("%%%%BeginPreview: %d %d 1 %d\n", right - left + 1, bottom - top + 1, bottom - top + 1);
for (row = top; row <= bottom; row++) {
printf("%% ");
count = 0;
for (col = left; col <= right; col += 4) {
tot = 0;
if (bits[row][col] == PBM_BLACK) {
tot += 8;
}
if (bits[row][col+1] == PBM_BLACK) {
tot += 4;
}
if (bits[row][col+2] == PBM_BLACK) {
tot += 2;
}
if (bits[row][col+3] == PBM_BLACK) {
tot++;
}
printf("%x", tot);
count++;
}
printf((count % 2) == 0 ? "\n" : "0\n");
}
printf("%%%%EndImage\n");
printf("%%%%EndPreview\n");
exit( 0 );
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.