ImageGear Professional v18.4 > API Reference Guide > Vector Component API Reference > Vector Component Functions Reference > Light Functions > IG_vect_light_set_specular |
This function sets four specular color components (red, green, blue, and alpha) for the light source.
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AT_ERRCOUNT ACCUAPI IG_vect_light_set_specular(
HIG_VECT_LIGHTSOURCE hLightSource,
float* lpSpecular
);
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Name | Type | Description |
hLightSource | HIG_VECT_LIGHTSOURCE | Light source handle. |
lpSpecular | float* | Buffer with four specular color components to be set. Usually the component range is 0..1. |
Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.
This function does not process image pixels.
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