ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > Core Component API Reference > Core Component Functions Reference > General Image Functions > IG_image_grayscale_LUT_exists

This function checks whether HIGEAR has a grayscale LUT attached.


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AT_BOOL ACCUAPI IG_image_grayscale_LUT_exists(
        HIGEAR hIGear


Name Type Description
hIGear HIGEAR HIGEAR handle.

Return Value:

Returns the number of ImageGear errors that occurred during this function call. If there are no errors, the return value is IGE_SUCCESS.

Supported Raster Image Formats:

All pixel formats supported by ImageGear for C and C++.

Currently, grayscale LUT is only taken into account for 2…16 bpp Grayscale images.

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