Adobe photoshop elements Manuale Utente
33
ADOBE PHOTOSHOP ELEMENTS
User Guide
For information on how to restore your image to
how it looked at any point in the current work
session, see “Reverting to any state of an image” on
page 33.
how it looked at any point in the current work
session, see “Reverting to any state of an image” on
page 33.
To undo the last operation:
Choose Edit > Undo, or click the Step Backward
button ( ) in the shortcuts bar.
button ( ) in the shortcuts bar.
If an operation can’t be undone, the command is
dimmed and changes to Can’t Undo.
dimmed and changes to Can’t Undo.
To redo the last operation:
Choose Edit > Redo, or click the Step Forward
button ( ) in the shortcuts bar.
button ( ) in the shortcuts bar.
To free memory used by the Undo command, the
History palette, or the Clipboard:
Choose Edit > Purge, and choose the item type or
buffer you want to clear. If already empty, the item
type or buffer is dimmed.
buffer you want to clear. If already empty, the item
type or buffer is dimmed.
Important: The Purge command permanently
clears from memory the operation stored by the
command or buffer; it cannot be undone. Use the
Purge command when the amount of information
held in memory is so large that Photoshop Elements’
performance is noticeably diminished.
clears from memory the operation stored by the
command or buffer; it cannot be undone. Use the
Purge command when the amount of information
held in memory is so large that Photoshop Elements’
performance is noticeably diminished.
To revert to the last saved version:
Choose File > Revert.
Note: Revert is added as a history state in the History
palette and can be undone.
palette and can be undone.
Reverting to any state of an
image
image
The History palette lets you jump to any recent
state of the image created during the current
working session. Each time you apply a change to
pixels in an image, the new state of that image is
added to the palette.
state of the image created during the current
working session. Each time you apply a change to
pixels in an image, the new state of that image is
added to the palette.
For example, if you select, paint, and rotate part of
an image, each of those states is listed separately in
the palette. You can then select any of the states,
and the image will revert to how it looked when
that change was first applied. You can then work
from that state.
an image, each of those states is listed separately in
the palette. You can then select any of the states,
and the image will revert to how it looked when
that change was first applied. You can then work
from that state.
Actions that do not affect pixels in the image, such
as zooming and scrolling, will not appear in the
History palette.
as zooming and scrolling, will not appear in the
History palette.
About the History palette
Note the following guidelines when using the
History palette:
History palette:
•
Program-wide changes, such as changes to
palettes, color settings, and preferences, are not
changes to a particular image and so are not added
to the History palette.
changes to a particular image and so are not added
to the History palette.
•
By default, the History palette lists the previous
20 states. Older states are automatically deleted to
free more memory for Photoshop Elements. To
change the number of states that can be displayed
in the History palette, choose Edit > Preferences >
General, and enter a number for History States.
The maximum number of states is 100.
free more memory for Photoshop Elements. To
change the number of states that can be displayed
in the History palette, choose Edit > Preferences >
General, and enter a number for History States.
The maximum number of states is 100.
•
Once you close and reopen the document,
all states from the last working session are cleared
from the palette.
from the palette.