Real World Adobe® Photoshop® CS2 [Electronic resources] : Industrial-Strength Production Techniques نسخه متنی

6. Image Adjustment Fundamentals: Stretching and Squeezing the Bits

Chapter 7, The Digital Darkroom, we'll show you some more esoteric techniques for getting great-looking images, but in this chapter we'll concentrate on the fundamentalsthe basic tonal manipulation tools and their effects on pixels. Much of this chapter is devoted to two toolsLevels and Curvesbecause until you've mastered these, you simply don't know Photoshop! But we also cover the considerable number of other useful commands found on the Adjustments submenu in the Image menu.