Working with Images in Preview
Preview is an application that has been with OS X from the beginning. It is commonly considered to be a jack-of-all-trades when it comes to opening and working with many file types. In this portion of the chapter, I cover how to work with images in Preview, but for more information on what Preview can do, please see Chapter 7.
Image File Types Supported by Preview
Preview can open and export many different image file types. Table 12.1 lists the image file types supported by Preview.
Setting the Preview preferences
Preview has its default ways of working with images, but thankfully you can customize it to fit your needs.
The Preview preferences are divided into five categories: General, Images, PDF, Bookmarks, and Signatures. I discuss the General and Images preferences in this chapter; the other three are covered in Chapter 7.
To get started, open Preview and then press 
+, to open the Preview Preferences window.
General
Table 12.2 breaks down the settings in the General tab of the Preview Preferences window.
Images
There is only one item to set options for in the Images preferences pane: Define 100% scale as. The options available are self-explanatory: ...
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