Wiley Photoshop CS2 Bible 978-0-7645-8972-0 ユーザーズマニュアル

製品コード
978-0-7645-8972-0
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Introducing
Photoshop CS2
What Is Photoshop?
Maybe you already know what Photoshop is and what it does.
You may be one of the people who have been using it since its
first version and you use it every day. On the other hand, you
might be one of the larger group of people who have a general
sense of what Photoshop is and does but have little or no
experience using it. It is our intention to make this book useful
for both camps — and with this, the first chapter, there may
be some review for the former group and some startling reve-
lations for the latter. As you move forward and get to “What’s
New in Photoshop CS2” the playing field should level out, and
as you move through the rest of the book, no matter what level
of user you are now, there is a great deal of new and useful
information throughout.
So what exactly is Photoshop and what does it do? Adobe
Photoshop — Photoshop is the name of the software, Adobe
Systems is the name of the company that develops and sells
it — is a professional-level image-editing application. It allows
you to create images from whole cloth or, more likely, mod-
ify scanned artwork and digital photographs. Photoshop
is available for use on computers equipped with either
Microsoft Windows or Apple’s Macintosh operating system,
currently OS X.
Mind you, Photoshop isn’t just any image-editing application.
It’s the most powerful, most ubiquitous image-editing applica-
tion in the world. Despite hefty competition, where professional
image editing is concerned, Photoshop’s not just the market
leader — it’s the only game in town.
Such a lack of competition is rarely a good thing, because
stagnation can often result. But in Photoshop’s case, the his-
torically lopsided sales advantage has provided Adobe with a
clear incentive to reinvest in Photoshop and regularly enhance,
and even overhaul, its capabilities. It’s as if each new version
of Photoshop is competing with its own previous versions for
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C H A P T E R
In This Chapter
An introduction 
to Photoshop
How image 
editing works
The difference
between pixels 
and vectors
The new features in
Photoshop CS2
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