Adobe Photoshop CS4 Classroom in a Book

Chapter 5. Masks and Channels

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In this lesson, you’ll learn how to do the following:

• Refine a selection using a quick mask.

• Save a selection as a channel mask.

• View a mask using the Channels panel.

• Load a saved mask.

• Edit a mask using the Masks panel.

• Apply filters, effects, and blending modes to a mask.

• Move an image within a mask.

• Create a layer mask.

• Paint in a mask to modify a selection.

• Make an intricate selection using the Quick Selection tool.

• Create and use a gradient mask.

• Isolate a channel to make specific image corrections.

• Create a high-quality grayscale image by mixing channels.

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This lesson will ...