Implements Levels and Curves (look up tables) functionality of Photoshop as well as Lab color space usage.

To run this sample in Visual Studio, install the Graphics Mill trial and open the Aurigma.GraphicsMill.sln solution in the Samples folder. Find the sample in this project:

B. Filters and Transforms → B.07. Advanced Tone Correction

curvesfilter+5lab+3levelsluttone correction

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