Adobe photoshop elements User Manual
CHAPTER 11
238
Optimizing Images for the Web
4
Choose one of the following from the color
palette pop-up menu in the DitherBox dialog box:
•
Web Safe Colors to create a dither pattern using
colors from the Web palette.
•
Load to load another color palette and create a
dither pattern using those colors. Then navigate to
the color palette and open it.
the color palette and open it.
Note: If you use non-Web palette colors in a custom
dither pattern, the colors will dither in a browser
using an 8-bit color display. Using non-Web colors is
recommended only for non-Web display.
dither pattern, the colors will dither in a browser
using an 8-bit color display. Using non-Web colors is
recommended only for non-Web display.
By default, a new dither pattern you create is saved
in the current dither pattern collection.
in the current dither pattern collection.
5
Select a pixel pattern for the custom dither
pattern from the pattern list, between 2 and
8 pixels square.
8 pixels square.
6
Click the Arrow button ( ) to display the dither
pattern that most closely matches the selected RGB
color in the Pattern preview box. If no dither
patterns are currently saved in a collection in the
DitherBox filter, the Pattern preview box displays
the dither pattern that matches the RGB color.
color in the Pattern preview box. If no dither
patterns are currently saved in a collection in the
DitherBox filter, the Pattern preview box displays
the dither pattern that matches the RGB color.
Dither pattern
7
To edit the custom dither pattern, do one of
the following:
•
To add a color to the dither pattern, click a color
in the color palette. Then select the pencil tool ( )
in the DitherBox dialog box and click in the dither
pattern grid to add the color.
in the DitherBox dialog box and click in the dither
pattern grid to add the color.
•
To delete a color from the dither pattern, select
the eraser tool ( ) in the DitherBox dialog box
and click the color in the dither pattern grid.
and click the color in the dither pattern grid.
The Pattern preview box displays the changes you
make to the dither pattern.
make to the dither pattern.
8
When you are satisfied with the dither pattern,
click Fill to fill the selected area or layer in the
current image.
current image.
The custom dither pattern is applied to the image,
and the DitherBox dialog box closes.
and the DitherBox dialog box closes.
To apply a previously saved custom dither pattern to
an image:
1
Select an area or a layer in the image that you
want to fill with the custom dither pattern.
2
Choose Filter > Other > DitherBox.
3
Select the collection containing the dither
pattern you want to use from the Collection
pop-up menu.
pop-up menu.
4
Select the dither pattern you want to use from
the Collection contents list.
5
Click Fill.
The dither pattern is applied to the image, and the
DitherBox dialog box closes.
DitherBox dialog box closes.