ImageGear for C and C++ on Linux v20.0 - Updated
API Reference Guide > Core Component API Reference > Core Component Functions Reference > Display Functions > IG_dspl_grayscale_LUT_exists

This function checks whether the display settings group has a grayscale LUT attached.


Copy Code
AT_BOOL ACCUAPI IG_dspl_grayscale_LUT_exists(
        HIGEAR hIGear,
        DWORD dwGrpID


Name Type Description
hIGear HIGEAR HIGEAR handle.
dwGrpID DWORD Display group ID.

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++.

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