Sams Teach Yourself Adobe Photoshop CS4 in 24 Hours

Chapter 12. Using Masks

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Applying Masks

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Using Quick Mask

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Working with Layer Masks

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You can use Photoshop for years and never use a mask—but you’ll get a lot more done if you learn how to create and apply masks. Painting or cloning next to an object you don’t want to change? Be sure to mask the object so you won’t accidentally paint over it, just the way you mask woodwork when you’re painting a wall. Changing the color of the sky? Mask the rest of the image so you don’t turn it pink. You can use selections as temporary masks; any time a selection is active, you can paint or apply filters and adjustments only within ...