diff options
Diffstat (limited to 'converter/pbm/pbmtopi3.c')
| -rw-r--r-- | converter/pbm/pbmtopi3.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/converter/pbm/pbmtopi3.c b/converter/pbm/pbmtopi3.c index 06023d7a..8d178f61 100644 --- a/converter/pbm/pbmtopi3.c +++ b/converter/pbm/pbmtopi3.c @@ -14,6 +14,7 @@ #include <stdio.h> #include "pbm.h" +#include "pm_c_util.h" static void putinit ARGS(( void )); static void putbit ARGS(( bit b )); @@ -28,8 +29,9 @@ main( argc, argv ) FILE* ifp; bit* bitrow; register bit* bP; - int rows, cols, format, padright, row, col; - + int inrows, incols, format, padright, row, col; + int const outcols = 640; + int const outrows = 400; pbm_init( &argc, argv ); @@ -41,27 +43,26 @@ main( argc, argv ) else ifp = stdin; - pbm_readpbminit( ifp, &cols, &rows, &format ); - if (cols > 640) - cols = 640; - if (rows > 400) - rows = 400; - bitrow = pbm_allocrow( cols ); - + pbm_readpbminit( ifp, &incols, &inrows, &format ); + bitrow = pbm_allocrow( MAX(incols, outcols) ); + /* Compute padding to round cols up to 640 */ - padright = 640 - cols; + if(incols < outcols) + padright = outcols - incols; + else + padright = 0; putinit( ); - for ( row = 0; row < rows; ++row ) + for ( row = 0; row < MIN(inrows, outrows); ++row ) { - pbm_readpbmrow( ifp, bitrow, cols, format ); - for ( col = 0, bP = bitrow; col < cols; ++col, ++bP ) + pbm_readpbmrow( ifp, bitrow, incols, format ); + for ( col = 0, bP = bitrow; col < MIN(incols, outcols); ++col, ++bP ) putbit( *bP ); for ( col = 0; col < padright; ++col ) putbit( 0 ); } - while (row++ < 400) - for ( col = 0; col < 640; ++col) + while (row++ < outrows) + for ( col = 0; col < outcols; ++col) putbit( 0 ); pm_close( ifp ); |