diff options
Diffstat (limited to 'converter/pbm/pbmtoppa/ppa.c')
| -rw-r--r-- | converter/pbm/pbmtoppa/ppa.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/converter/pbm/pbmtoppa/ppa.c b/converter/pbm/pbmtoppa/ppa.c index 8363d927..aa30d684 100644 --- a/converter/pbm/pbmtoppa/ppa.c +++ b/converter/pbm/pbmtoppa/ppa.c @@ -389,7 +389,9 @@ static void __inline__ place_2bytes(int x,unsigned char* y) static void __inline__ place_4bytes(int x,unsigned char* y) { place_2bytes(x>>16,y); place_2bytes(x,y+2); } -#define do_compress_data (1) +#define do_compress_data (1) /* Compress. */ +/* The no-compression case has not been well tested 2015.05.31 */ + void ppa_print_sweep(ppa_stat* prn,ppa_sweep_data* data) { unsigned char* pc, *tpc; @@ -403,11 +405,9 @@ void ppa_print_sweep(ppa_stat* prn,ppa_sweep_data* data) int nozzle_data_size; int MF; /* Multiplicative Factor -- quick hack */ - pc=data->image_data; - if(do_compress_data) { - if(!(pc=malloc((datasize/64+1)*65))) + if( !( pc = malloc( datasize * 2 + 1 )) ) /* Worst case + margin */ { fprintf(stderr,"ppa_print_sweep(): could not malloc storage for compressed data\n"); exit(-1); @@ -416,12 +416,13 @@ void ppa_print_sweep(ppa_stat* prn,ppa_sweep_data* data) } /* send image data 16k at a time */ - for(i=0, tpc=pc; i<datasize; tpc+=16384, i+=16384) + for(i=0, tpc= do_compress_data ? pc : data->image_data; + i<datasize; tpc+=16384, i+=16384) vlink_put(prn->fptr, 0, datasize-i > 16384 ? 16384 : datasize-i, tpc); /* memory leak fix courtesy of John McKown */ if (do_compress_data) - free (pc); + free (pc); /* construct sweep packet */ switch(prn->version) |