PGMA_TO_PGMB
convert ASCII PGM to binary PGM graphics file

PGMA_TO_PGMB is a C++ program which converts ASCII PGM files to binary PGM format.

Usage:

pgma_to_pgmb file1 file2

• file1 is the name of an existing PGM file in ASCII format;
• file2 is the name of the PGM file in binary format to be created.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

PGMA_TO_PGMB is available in a C++ version.

Related Data and Programs:

PGMA, a data directory which contains sample ASCII PGM files.

PGMA_IO, a C++ library which is used by PGMA_TO_PGMB to read in the ASCII PGM file.

PGMB, a data directory which contains sample binary PGM files.

PGMB_IO, a C++ library which is used by PGMA_TO_PGMB to write out the binary PGM file.

PGMB_TO_PGMA, a C++ program which converts a binary PGM file to ASCII PGM format.

Reference:

1. the NETPBM homepage.

Source Code:

• pgma_to_pgmb.cpp, the source code.

List of Routines:

• MAIN is the main program for PGMA_TO_PGMB.
• I4VEC_TO_UCVEC converts an I4VEC into UNSIGNED CHAR's.
• PGMA_CHECK_DATA checks the data for an ASCII PGM file.
• PGMA_READ reads the header and data from an ASCII PGM file.
• PGMA_READ_DATA reads the data in an ASCII PGM file.
• PGMA_READ_HEADER reads the header of an ASCII PGM file.
• PGMA_TO_PGMB converts an ASCII PGM file to binary PGM format.
• PGMB_WRITE writes the header and data for a binary portable gray map file.
• PGMB_WRITE_DATA writes the data for a binary portable gray map file.
• PGMB_WRITE_HEADER writes the header of a binary portable gray map file.
• S_LEN_TRIM2 returns the length of a string to the last nonblank.
• S_WORD_EXTRACT_FIRST2 extracts the first word from a string.
• TIMESTAMP prints the current YMDHMS date as a time stamp.

You can go up one level to the C++ source codes.