This is pbmtoepsi.c in view mode; [Download] [Up]
/* 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 main( argc, argv ) int argc; char *argv[]; { FILE *ifd; register bit **bits; int rows, cols, row, col, tot, count; int top = MAXINT, bottom = -MAXINT, left = MAXINT, right = -MAXINT; pbm_init( &argc, argv ); if ( argc > 2 ) pm_usage( "[pbmfile]" ); if ( argc == 2 ) ifd = pm_openr( argv[1] ); else ifd = stdin; 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); 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.