Technical data

Manipulating Images 39
♦ Negative Image inverts the colors in a selected area, giving the
effect of a photographic negative.
♦ Grayscale reduces a color picture to 256 shades of gray.
Applying Effect Filters
The PhotoPlus Image menu includes a number of commands that apply
special effects to the active layer or selection. As with the image
adjustment filters you can use these effects to improve the image, but
more often the emphasis here is on the wild and wacky (or perhaps we
should say “creative”) possibilities.
You can even define your own custom filters (see online help for
details).
The Effects Gallery, as mentioned earlier,
includes examples of all the special effects,
cross-referenced to explanatory text for each
effect.
To access a group of effects, select one of the
commands.
At the top of most of the dialogs there is a
preview window that updates as you adjust the
sliders or enter new values. To see a different
part of the image, drag it with the hand cursor.
Click the Zoom buttons to zoom in or out. To
view the current layer only, check Preview Current Layer Only.
HANDS ON: Photo-painting
This fun project will apply a series of experimental manipulations that
make a photograph of a Paris street scene look more like an abstract
painting.
q Open the file FRANCE.JPG in the PhotoPlus PROJECTS folder.