diff options
Diffstat (limited to 'converter/pgm/bioradtopgm.c')
| -rw-r--r-- | converter/pgm/bioradtopgm.c | 133 |
1 files changed, 68 insertions, 65 deletions
diff --git a/converter/pgm/bioradtopgm.c b/converter/pgm/bioradtopgm.c index e0bc3584..471709c1 100644 --- a/converter/pgm/bioradtopgm.c +++ b/converter/pgm/bioradtopgm.c @@ -44,32 +44,32 @@ main( argc, argv ) while ( argn < argc && argv[argn][0] == '-' && argv[argn][1] != '\0' ) { - if ( ISDIGIT( argv[argn][1] )) - { - image_num = atoi( (argv[argn]+1) ); - } - else - pm_usage( usage ); - ++argn; + if ( ISDIGIT( argv[argn][1] )) + { + image_num = atoi( (argv[argn]+1) ); + } + else + pm_usage( usage ); + ++argn; } if ( argn < argc ) - { - ifp = pm_openr( argv[argn] ); - ++argn; - } + { + ifp = pm_openr( argv[argn] ); + ++argn; + } else - ifp = stdin; + ifp = stdin; if ( argn != argc ) - pm_usage( usage ); + pm_usage( usage ); for ( i = 0; i < BIORAD_HEADER_LENGTH; ++i ) { - val = getc( ifp ); - if ( val == EOF ) - pm_error( "EOF / read error" ); - buf[ i ] = val; + val = getc( ifp ); + if ( val == EOF ) + pm_error( "EOF / read error" ); + buf[ i ] = val; } cols = BYTE_TO_WORD(buf[0], buf[1]); @@ -79,74 +79,77 @@ main( argc, argv ) check_word = BYTE_TO_WORD(buf[54], buf[55]); if ( check_word != 12345 ) - pm_error( "Not a Biorad file" ); + pm_error( "Not a Biorad file" ); if ( cols <= 0 ) - pm_error( "Strange image size, cols = %d", cols); + pm_error( "Strange image size, cols = %d", cols); if ( rows <= 0 ) - pm_error( "Strange image size, rows = %d", rows); + pm_error( "Strange image size, rows = %d", rows); if ( image_count <= 0 ) - pm_error( "Number of images in file is %d", image_count); + pm_error( "Number of images in file is %d", image_count); if ( byte_word ) - maxval = 255; + maxval = 255; else { - maxval = 65535; /* Perhaps this should be something else */ + maxval = 65535; /* Perhaps this should be something else */ } pm_message( "Image size: %d cols, %d rows", cols, rows); pm_message( "%s", - (byte_word) ? "Byte image (8 bits)" : "Word image (16 bits)"); + (byte_word) ? "Byte image (8 bits)" : "Word image (16 bits)"); if ( image_num < 0 ) - pm_message( "Input contains %d image%c", - image_count, (image_count > 1) ? 's' : '\0'); + pm_message( "Input contains %d image%c", + image_count, (image_count > 1) ? 's' : '\0'); else { - if ( image_num >= image_count ) - pm_error( "Cannot extract image %d, input contains only %d image%s", - image_num, image_count, (image_count > 1) ? "s" : "" ); - for ( i = (byte_word) ? image_num : image_num*2 ; i > 0 ; --i ) { - for ( row = 0; row < rows; ++row) - for ( col = 0; col < cols; ++col ) - { - val = getc( ifp ); - if ( val == EOF ) { - pm_error( "EOF / read error" ); - } - } - } - - pgm_writepgminit( stdout, cols, rows, (gray) maxval, 0 ); - grayrow = pgm_allocrow( cols ); - - for ( row = 0; row < rows; ++row) - { - for ( col = 0, gP = grayrow; col < cols; ++col ) - { - val = getc( ifp ); - if ( val == EOF ) - pm_error( "EOF / read error" ); - if (byte_word) - *gP++ = val; - else - { - val2 = getc( ifp ); - if ( val2 == EOF ) - pm_error( "EOF / read error" ); - *gP++ = BYTE_TO_WORD(val, val2); - } - } - pgm_writepgmrow( stdout, grayrow, cols, (gray) maxval, 0 ); - } - - pm_close( ifp ); - pm_close( stdout ); + if ( image_num >= image_count ) + pm_error( "Cannot extract image %d, input contains only %d image%s", + image_num, image_count, (image_count > 1) ? "s" : "" ); + for ( i = (byte_word) ? image_num : image_num*2 ; i > 0 ; --i ) { + for ( row = 0; row < rows; ++row) + for ( col = 0; col < cols; ++col ) + { + val = getc( ifp ); + if ( val == EOF ) { + pm_error( "EOF / read error" ); + } + } + } + + pgm_writepgminit( stdout, cols, rows, (gray) maxval, 0 ); + grayrow = pgm_allocrow( cols ); + + for ( row = 0; row < rows; ++row) + { + for ( col = 0, gP = grayrow; col < cols; ++col ) + { + val = getc( ifp ); + if ( val == EOF ) + pm_error( "EOF / read error" ); + if (byte_word) + *gP++ = val; + else + { + val2 = getc( ifp ); + if ( val2 == EOF ) + pm_error( "EOF / read error" ); + *gP++ = BYTE_TO_WORD(val, val2); + } + } + pgm_writepgmrow( stdout, grayrow, cols, (gray) maxval, 0 ); + } + + pm_close( ifp ); + pm_close( stdout ); } exit( 0 ); } + + + |