It is most likely that first time users of Photoshop will be
starting with an image, say a photo that they need to alter or edit. In this
case, you have two options:
First, you can open the image from the Photoshop file menu.
It will be opened in the format it was saved in, so in order to work with it in
photoshop, you'll need to save it as a .psd file (this will also ensure that
you do not remove your original image should you need to revert to it). In
essence it will become a .psd file as soon as you add an additional layer, and
will save as such when you save it.
Another method for getting an image into photoshop is to
copy and paste it into a new file in the application. This is especially useful
for saving and altering webgraphics or screenshots.
Once the image is copied to the clipboard, go to Photoshop
and select new from the file menu. A new file dialog will appear asking you to
name the file, choose the size, resolution, colormode, and background. The
image size (in pixels) will automatically reflect the size of the image copied
to the clipboard. Choose CMYK if this graphic is to be used in print, or RGB
for the web. For background, choose transparent (this can always be changed
later).
Now that we have an open photoshop document, we can begin to
use some of the basic photoshop tools. The next chapter of this tutorial will
outline these various tools.
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