Graphics Programs Reference
In-Depth Information
2.
Press B to select the Brush tool. Paint a few brushstrokes.
3.
Press E to select the Eraser tool. Erase potions of the brushstrokes.
4.
Press B again and paint a couple more brushstrokes. Let's say that at
this moment you regret getting rid of what you erased in the previous
step.
5.
Drag the blue handle upward in the history list until before the
Eraser action. What you erased reappears as you effectively “go back
in time” (see Figure 4.25).
You can press
Cmd+Opt+Z to
move backwards
through history one
step at a time.
Source for History Brush
Turning the clock to this action
Mistaken action
FIGURe 4.25
Using the History panel
6.
Press G to select the Gradient tool and drag out a gradient. The
Eraser action and the actions following it (brushstrokes in this exam-
ple) are gone as if they never happened.
as Winston Churchill
said, “history is
written by the vic-
tor,” and thankfully
that's always you in
photoshop!
Using the history brush
The History brush allows you to turn back time (or more precisely, your
Photoshop actions) but only in the areas you paint. In the following example
you'll experiment with the History brush.
the default source
for the history
brush is the initial
state corresponding
to how the image
appeared when you
opened it (in color in
this case).
1.
Go to the topic's Downloads page at
www.sybex.com/go
Mountain Freedom.jpg
, and open it in Photoshop.
2.
Choose Image a Adjustments a Desaturate. The color image turns
into a black-and-white photo.
3.
Open the History panel if it's not already open. There are only two
actions so far: Open and Desaturate.
