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PBM_PLUS
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pbmtogo.c
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C/C++ Source or Header
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1980-12-04
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/* pbmtogo.c - read a portable bitmap and produce a GraphOn terminal raster file
**
** based on pbmtolj.c
**
** Bo Thide', Swedish Institute of Space Physics, bt@irfu.se
**
** misfeatures:
** No 2D compression, no positioning
**
** Copyright (C) 1988 by Jef Poskanzer, Michael Haberler, and Bo Thide'.
**
** 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>
#ifdef SYSV
#include <string.h>
#else SYSV
#include <strings.h>
#endif SYSV
#include "pbm.h"
main( argc, argv )
int argc;
char *argv[];
{
FILE *ifd;
register bit *bitrow, *bP;
int argn, rows, cols, format, rucols, padright, row, col;
char *usage = "[-c] [pbmfile]";
pm_progname = argv[0];
argn = 2;
/* Check for flags. */
if ( argc > argn )
{
if ( argv[argn][0] == '-' )
{
if ( strcmp( argv[argn], "-c" ) == 0 )
pm_error( "compression not implemented yet", 0,0,0,0,0 );
argn++;
}
else
pm_usage( usage );
}
if ( argc > argn + 1 )
pm_usage( usage );
if ( argc == argn )
ifd = pm_openr( argv[argn-1] );
else
ifd = stdin;
pbm_readpbminit( ifd, &cols, &rows, &format );
bitrow = pbm_allocrow( cols );
/* Round cols up to the nearest multiple of 8. */
rucols = ( cols + 7 ) / 8;
rucols = rucols * 8;
padright = rucols - cols;
putinit( );
/* Star donwloading screen raster*/
printf( "\033P0;0;1;4;101;%d;%d;101!R", rows + 100, rucols + 100 );
for ( row = 0; row < rows; row++ )
{
pbm_readpbmrow( ifd, bitrow, cols, format );
/* Transfer raster graphics */
printf( "%d/",rucols / 8 ); /* No. of bytes per row */
for ( col = 0, bP = bitrow; col < cols; col++, bP++ )
putbit( *bP );
for ( col = 0; col < padright; col++ )
putbit( 0 );
}
pm_close( ifd );
putrest( );
exit( 0 );
}
int item, bitsperitem, bitshift, itemsperline, firstitem;
putinit( )
{
/* Enter graphics window */
printf( "\0331" );
/* Erase graphics window */
printf( "\033\014" );
/* Set graphics window in raster mode */
printf( "\033r" );
/* Select standard Tek coding **/
printf( "\033[=11l" );
itemsperline = 0;
bitsperitem = 1;
item = 0;
bitshift = 7;
firstitem = 1;
}
putbit( b )
bit b;
{
if ( b == PBM_BLACK )
item += 1 << bitshift;
bitshift--;
if ( bitsperitem == 8 ) {
putitem( );
bitshift = 7;
}
bitsperitem++;
}
putrest( )
{
if ( bitsperitem > 1 )
putitem( );
/* end raster downloading */
printf( "\033\134" );
/* Exit raster mode */
printf( "\033t" );
/* Exit graphics window
printf( "\0332" ); */
}
putitem( )
{
putchar( item );
bitsperitem = 0;
item = 0;
}