US Patent 9620079 Visualizing, creating and editing blending modes methods and systems

A method of creating a blending mode for blending base colors and blend colors to produce resultant colors for one or more pixels of a digital image includes displaying by a display device a relationship between a first independent variable representing the base colors and a dependent variable representing the resultant colors for a specific value of a second independent variable representing blend colors. The method also includes receiving user input altering the relationship, displaying the altered relationship, and storing the relationship as a blending mode.