home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
netpbma.zip
/
pbm
/
pbmtoepson.c
< prev
next >
Wrap
C/C++ Source or Header
|
1993-10-04
|
2KB
|
82 lines
/* pbmtoeps.c - read a portable bitmap and produce Epson graphics
**
** Copyright (C) 1990 by John Tiller (tiller@galois.msfc.nasa.gov)
** and 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 <stdio.h>
#include "pbm.h"
static int mask[] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
int
main( argc, argv )
int argc;
char* argv[];
{
FILE* ifp;
bit** bits;
bit* bP[8];
int rows, cols, row, col, lastcol;
int idx;
int val;
pbm_init( &argc, argv );
if ( argc > 2 )
pm_usage( "[pbmfile]" );
if ( argc == 2 )
ifp = pm_openr( argv[1] );
else
ifp = stdin;
bits = pbm_readpbm( ifp, &cols, &rows );
pm_close( ifp );
/* Change line spacing to 8/72 inches. */
printf("\033A\010");
/* Write out rows by eights. */
for ( row = 0; row < rows; row += 8 )
{
/* Find end of lines. */
for ( lastcol = cols-1; lastcol >= 0; --lastcol )
{
for ( idx = 0; idx < 8 && row+idx < rows; ++idx )
if ( bits[row+idx][lastcol] == PBM_BLACK )
break;
if ( idx < 8 && row+idx < rows )
break;
}
for ( idx = 0; idx < 8 && row+idx < rows; ++idx )
bP[idx] = bits[row+idx];
/* Put in plotter (1:1) graphics. */
if ( lastcol >= 0 )
printf("\033*\005%c%c", (lastcol+1)%256, (lastcol+1)/256);
for ( col = 0; col <= lastcol; ++col )
{
val = 0;
for ( idx = 0; idx < 8 && row+idx < rows; ++idx )
if ( *bP[idx] == PBM_BLACK )
val |= mask[idx];
putchar( val );
for ( idx = 0; idx < 8 && row+idx < rows; ++idx )
++bP[idx];
}
putchar( '\n' );
}
putchar( '\f' );
/* Restore normal line spacing. */
printf("\033@");
exit( 0 );
}