127 |
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extern void adjveil(void); /* adjust veil image */ |
128 |
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#endif |
129 |
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extern void acuscan(COLOR *scln, int y); /* get acuity-sampled scanline */ |
130 |
< |
extern void addveil(COLOR *sl, int y); /* add veil to scanline */ |
131 |
< |
extern void initacuity(void); /* initialize variable acuity sampling */ |
130 |
> |
extern void addveil(COLOR *sl, int y); /* add veil to scanline */ |
131 |
> |
extern int initacuity(void); /* initialize variable acuity sampling */ |
132 |
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extern double hacuity(double La); /* human acuity func. (cycles/deg.) */ |
133 |
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134 |
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#ifdef __cplusplus |