Apple Mac OS X Panther Specifications download pdf (Page 11)

Managing Untagged Images

At times, you might need to work with an untagged image—one that does not have

an embedded source profile.

Untagged images can include:

• Stock photography (TIFF or JPEG files)

• An image emailed to you from Windows or Mac OS 9

• Legacy artwork

• An image from the web

When you receive an untagged image, it is important that you provide the tagging

information right away. Quartz—the two-dimensional drawing engine built into

Mac OS X that creates images onscreen—requires a starting point for matching each

image’s color to your display. If an image does not have an embedded profile as a

starting point, Quartz uses a generic profile, which might not be accurate enough

for your workflow. While Panther offers the benefit of automatically color-managing

images, your color work will be more accurate if you embed custom input (source)

profiles into your images.

The point is to tag early and tag everything. It is always better to work with tagged

images than untagged images.

To check whether an image is tagged or untagged, use the Preview application

located in your Applications folder.

1. Open the image in Preview and select the Get Info command from the Tools menu.

2. Check the Embedded ICC Profile field in the Document Info window.

A Technology Tour

Color Management

with Mac OS X Panther

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Apple Mac OS X Panther Specifications Page 11