| 17 |
|
#define MINELEN 8 /* minimum scanline length for encoding */ |
| 18 |
|
#define MINRUN 4 /* minimum run length */ |
| 19 |
|
|
| 20 |
+ |
#ifndef frexp |
| 21 |
+ |
extern double frexp(); |
| 22 |
+ |
#endif |
| 23 |
|
|
| 24 |
+ |
|
| 25 |
|
char * |
| 26 |
|
tempbuffer(len) /* get a temporary buffer */ |
| 27 |
|
unsigned len; |
| 43 |
|
|
| 44 |
|
fwritecolrs(scanline, len, fp) /* write out a colr scanline */ |
| 45 |
|
register COLR *scanline; |
| 46 |
< |
int len; |
| 46 |
> |
unsigned len; |
| 47 |
|
register FILE *fp; |
| 48 |
|
{ |
| 49 |
|
register int i, j, beg, cnt; |
| 50 |
|
int c2; |
| 51 |
|
|
| 52 |
< |
if (len < MINELEN) /* too small to encode */ |
| 52 |
> |
if (len < MINELEN | len > 0x7fff) /* OOBs, write out flat */ |
| 53 |
|
return(fwrite((char *)scanline,sizeof(COLR),len,fp) - len); |
| 54 |
< |
if (len > 32767) /* too big! */ |
| 51 |
< |
return(-1); |
| 52 |
< |
putc(2, fp); /* put magic header */ |
| 54 |
> |
/* put magic header */ |
| 55 |
|
putc(2, fp); |
| 56 |
+ |
putc(2, fp); |
| 57 |
|
putc(len>>8, fp); |
| 58 |
|
putc(len&255, fp); |
| 59 |
|
/* put components seperately */ |
| 101 |
|
register int i, j; |
| 102 |
|
int code; |
| 103 |
|
/* determine scanline type */ |
| 104 |
< |
if (len < MINELEN) |
| 104 |
> |
if (len < MINELEN | len > 0x7fff) |
| 105 |
|
return(oldreadcolrs(scanline, len, fp)); |
| 106 |
|
if ((i = getc(fp)) == EOF) |
| 107 |
|
return(-1); |
| 229 |
|
register COLR clr; |
| 230 |
|
double r, g, b; |
| 231 |
|
{ |
| 229 |
– |
double frexp(); |
| 232 |
|
double d; |
| 233 |
|
int e; |
| 234 |
|
|
