ImageGear Professional DLL for Windows
IG_vect_light_get_direction
ImageGear Professional v18.2 > API Reference Guide > Vector Component API Reference > Vector Component Functions Reference > Light Functions > IG_vect_light_get_direction

This function gets the three direction components (nx, ny, nz) of the light source.

Declaration:

 
Copy Code 
AT_ERRCOUNT ACCUAPI IG_vect_light_get_direction(
        HIG_VECT_LIGHTSOURCE hLightSource, 
        float* lpDirection
);

Arguments:

Name Type Description
hLightSource HIG_VECT_LIGHTSOURCE Light source handle.
lpDirection float* Buffer for three direction components.

Return Value:

Returns 0 if successful. Otherwise, returns the number of ImageGear errors that occurred during this function call.

Supported Raster Image Formats:

This function does not process image pixels.

Sample:

None

 

 

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