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18 |
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#include "color.h" |
19 |
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20 |
+ |
#ifdef getc_unlocked /* avoid horrendous overhead of flockfile */ |
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#undef getc |
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#undef putc |
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#define getc getc_unlocked |
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#define putc putc_unlocked |
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+ |
#endif |
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|
27 |
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#define MINELEN 8 /* minimum scanline length for encoding */ |
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#define MAXELEN 0x7fff /* maximum scanline length for encoding */ |
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#define MINRUN 4 /* minimum run length */ |
38 |
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39 |
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if (len > tempbuflen) { |
40 |
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if (tempbuflen > 0) |
41 |
< |
tempbuf = (char *)realloc(tempbuf, len); |
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> |
tempbuf = (char *)realloc((void *)tempbuf, len); |
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else |
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tempbuf = (char *)malloc(len); |
44 |
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tempbuflen = tempbuf==NULL ? 0 : len; |
56 |
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register int i, j, beg, cnt = 1; |
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int c2; |
58 |
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|
59 |
< |
if (len < MINELEN | len > MAXELEN) /* OOBs, write out flat */ |
59 |
> |
if ((len < MINELEN) | (len > MAXELEN)) /* OOBs, write out flat */ |
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return(fwrite((char *)scanline,sizeof(COLR),len,fp) - len); |
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/* put magic header */ |
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putc(2, fp); |
146 |
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register int i, j; |
147 |
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int code, val; |
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/* determine scanline type */ |
149 |
< |
if (len < MINELEN | len > MAXELEN) |
149 |
> |
if ((len < MINELEN) | (len > MAXELEN)) |
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return(oldreadcolrs(scanline, len, fp)); |
151 |
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if ((i = getc(fp)) == EOF) |
152 |
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return(-1); |
260 |
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261 |
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d = frexp(d, &e) * 255.9999 / d; |
262 |
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|
263 |
< |
clr[RED] = r * d; |
264 |
< |
clr[GRN] = g * d; |
265 |
< |
clr[BLU] = b * d; |
263 |
> |
if (r > 0.0) |
264 |
> |
clr[RED] = r * d; |
265 |
> |
else |
266 |
> |
clr[RED] = 0; |
267 |
> |
if (g > 0.0) |
268 |
> |
clr[GRN] = g * d; |
269 |
> |
else |
270 |
> |
clr[GRN] = 0; |
271 |
> |
if (b > 0.0) |
272 |
> |
clr[BLU] = b * d; |
273 |
> |
else |
274 |
> |
clr[BLU] = 0; |
275 |
> |
|
276 |
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clr[EXP] = e + COLXS; |
277 |
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} |
278 |
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