ImageGear Professional DLL for Windows
IG_vect_light_set_exponent
| ImageGear Professional v18.2 > API Reference Guide > Vector Component API Reference > Vector Component Functions Reference > Light Functions > IG_vect_light_set_exponent |
This function sets the spot exponent for the light source.
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AT_ERRCOUNT ACCUAPI IG_vect_light_set_exponent(
HIG_VECT_LIGHTSOURCE hLightSource,
float fExponent
);
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| Name | Type | Description |
| hLightSource | HIG_VECT_LIGHTSOURCE | Light source handle. |
| fExponent | float | New spot exponent to be set. Spot exponent range is 0..128. |
Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.
This function does not process image pixels.
None