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Photoshop CC: Visual QuickStart Guide by Peter Lourekas, Elaine Weinmann

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7. Pixel Basics

Image

Before applying adjustment or image-editing commands to an image in Photoshop, you need to make sure it has the proper resolution and dimensions. At any point, you can also crop or rotate it. In this chapter, you will learn how to change the resolution, dimensions, and canvas size of a file, and how to crop, straighten, flip, and rotate it.

Changing the document resolution and/or dimensions

In this chapter, you will encounter three related ...

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