Chapter Twelve. Layers
Look in this chapter to find answers to questions on:
Q What can I do with adjustment layers?
A Adjustment layers allow you to change the appearance of an image or layer—brightness, hue, contrast, etc.,—without making the change a permanent one. Adjustment layers add nothing to your file size, but add a great deal of flexibility. For example, if you were to use the Levels command (Command-L [PC: Control-L]), ...