Chapter 7. Pixel Basics

image

IN THIS CHAPTER

Changing the document resolution and dimensions 121

Changing the canvas size 126

Cropping an image 127

Flipping or rotating an image 131

Straightening a crooked image 132

Before applying adjustment or image-editing commands, you need to make sure your document has the proper size and orientation and is cropped to your liking. In this chapter, you will learn how to change a document’s resolution, dimensions, and canvas size, and how to crop, flip, rotate, and straighten it.

Changing the document resolution and dimensions

In this section, you’ll encounter three related terms:

• A file’s pixel count (or ...

Get Photoshop CS5 for Windows and Macintosh: Visual QuickStart Guide now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial