ImageGear for C and C++ on Linux v19.10 - Updated
Look-Up Tables and Gamma Correction
User Guide > How to Work with... > Common Operations > Viewing > Display Options > Look-Up Tables and Gamma Correction

ImageGear supports gamma correction preprocessing before the image is drawn onto the destination device. This operation does not affect the image itself, but only changes its appearance.

There are three options that allow you to control the gamma correction:

The default value for each of the three options is the identity array.

If the source image is not in the RGB color space, then it is first converted to the RGB color space, and then all the look-up tables are applied.

The following are high-level options that automatically create all necessary look-up tables:

The default values are: