| 16 |
|
#include "depthcodec.h" |
| 17 |
|
|
| 18 |
|
|
| 19 |
< |
#if 0 /* defined as macro in depthcodec.h */ |
| 19 |
> |
#ifndef depth2code |
| 20 |
|
/* Encode depth as 16-bit signed integer */ |
| 21 |
|
int |
| 22 |
|
depth2code(double d, double dref) |
| 25 |
|
return -32768; |
| 26 |
|
|
| 27 |
|
if (d > dref) |
| 28 |
< |
return (int)(32768 - 32768*dref/d) - 1; |
| 28 |
> |
return (int)(32768.001 - 32768.*dref/d) - 1; |
| 29 |
|
|
| 30 |
< |
return (int)(32767*d/dref - 32768); |
| 30 |
> |
return (int)(32767.*d/dref - 32768.); |
| 31 |
|
} |
| 32 |
|
#endif |
| 33 |
|
|
| 34 |
|
|
| 35 |
+ |
#ifndef code2depth |
| 36 |
|
/* Decode depth from 16-bit signed integer */ |
| 37 |
|
double |
| 38 |
|
code2depth(int c, double dref) |
| 48 |
|
|
| 49 |
|
return dref*32768./(32766.5 - c); |
| 50 |
|
} |
| 51 |
+ |
#endif |
| 52 |
|
|
| 53 |
|
|
| 54 |
|
/* Set codec defaults */ |
| 59 |
|
dcp->finp = stdin; |
| 60 |
|
dcp->inpname = "<stdin>"; |
| 61 |
|
dcp->format = 'a'; |
| 62 |
+ |
dcp->swapped = 0; |
| 63 |
|
dcp->refdepth = 1.; |
| 64 |
|
dcp->depth_unit[0] = '1'; |
| 65 |
|
dcp->vw = stdview; |
| 73 |
|
headline(char *s, void *p) |
| 74 |
|
{ |
| 75 |
|
DEPTHCODEC *dcp = (DEPTHCODEC *)p; |
| 76 |
+ |
int rv; |
| 77 |
|
|
| 78 |
|
if (formatval(dcp->inpfmt, s)) /* don't pass format */ |
| 79 |
|
return 0; |
| 80 |
+ |
|
| 81 |
+ |
if ((rv = isbigendian(s)) >= 0) { |
| 82 |
+ |
dcp->swapped = (nativebigendian() != rv); |
| 83 |
+ |
return 0; |
| 84 |
+ |
} |
| 85 |
|
/* check for reference depth */ |
| 86 |
|
if (!strncmp(s, DEPTHSTR, LDEPTHSTR)) { |
| 87 |
|
char *cp; |
| 135 |
|
fputformat("ascii", stdout); |
| 136 |
|
break; |
| 137 |
|
case 'f': |
| 138 |
+ |
fputendian(stdout); |
| 139 |
|
fputformat("float", stdout); |
| 140 |
|
break; |
| 141 |
|
case 'd': |
| 142 |
+ |
fputendian(stdout); |
| 143 |
|
fputformat("double", stdout); |
| 144 |
|
break; |
| 145 |
|
} |