Thus far in the book I've focused on the structural aspects of creative coding—an armature upon which to build. However, I've barely scraped the surface of Processing's expressive potential. Nowhere is this potential more evident than in Processing's extensive color and imaging capabilities. I'll begin this chapter by exploring Processing's high-level color and imaging functions, which conceal the internal mathematics while still providing lots of creative range. Working at the pixel level, you'll learn how to generate custom gradients and even spin some of your own cool imaging filters. Finally, you'll apply an object-oriented approach to imaging and color, building upon the OOP concepts introduced in Chapters 8 and 9

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