ImageGear for C and C++ on Windows v19.0
IG_vect_light_set_direction
| API Reference Guide > Vector Component API Reference > Vector Component Functions Reference > Light Functions > IG_vect_light_set_direction |
This function sets three direction components (nx, ny, nz) for the light source.
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AT_ERRCOUNT ACCUAPI IG_vect_light_set_direction(
HIG_VECT_LIGHTSOURCE hLightSource,
float* lpDirection
);
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| Name | Type | Description |
|---|---|---|
| hLightSource | HIG_VECT_LIGHTSOURCE | Light source handle. |
| lpDirection | float* | Buffer with three direction components to be set. |
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