diff options
Diffstat (limited to 'converter/ppm/ppmtoarbtxt.c')
| -rw-r--r-- | converter/ppm/ppmtoarbtxt.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/converter/ppm/ppmtoarbtxt.c b/converter/ppm/ppmtoarbtxt.c index 569f5ea2..93b3605b 100644 --- a/converter/ppm/ppmtoarbtxt.c +++ b/converter/ppm/ppmtoarbtxt.c @@ -18,6 +18,7 @@ #include <printf.h> /* Necessary for parse_printf_format() */ #endif +#include "pm_c_util.h" #include "mallocvar.h" #include "nstring.h" #include "shhopt.h" @@ -219,12 +220,15 @@ writeIcol(FILE * const ofP, SkeletonObject * const objectP, double const value) { + /* Unlike Netpbm, the output format does not have an upper limit for + maxval. Here we allow all values representable by unsigned int. + */ + struct Icdat * const icdataP = &objectP->odata.icolData; - - fprintf(ofP, icdataP->icformat, - (unsigned int) - (icdataP->icolmin - + (icdataP->icolmax - icdataP->icolmin) * value)); + unsigned int const outValue = icdataP->icolmin + + ROUNDU(((double) icdataP->icolmax - icdataP->icolmin) * value); + + fprintf(ofP, icdataP->icformat, outValue); } |