| 256,7 → 256,11 |
|---|
| /* note, sign of y difference is negated, as we are dealing with top-down coordinates |
| angle is "observed" */ |
| value_type ff_c2d(value_type x,value_type y){ |
| return RINT(TO_FFANGLE(atan2(-y,-x))); /* FIXME: why must we negate x here? */ |
| // Behavior of FilterFoundry <1.7: |
| //return RINT(TO_FFANGLE(atan2(-y,-x))); /* FIXME: why must we negate x here? */ |
| |
| // Behavior in FilterFoundry 1.7+: Matches FilterFactory |
| return RINT(TO_FFANGLE(atan2(y,x))); |
| } |
| |
| /* c2m(x,y) Magnitude displacement of the pixel at coordinates x,y */ |