
All of the characteristics of slide masters are controlled by
styles
. The
styles of any new slide you create are inherited from the slide master
from which it was created. In other words, the styles of the slide
master are available and applied to all slides created from that slide
master. Changing a style in a slide master results in changes to all the
slides based on that slide master; it is, however, possible to modify
each individual slide without affecting the slide master.
Note
Although it is highly recommended to use the slide masters
whenever possible, there are occasions where manual changes
are needed for a particular slide, for example to enlarge the
chart area when the text and chart layout is used.
Slide masters have two types of styles associated with them:
presentation styles
and
graphic styles
. The pre-packaged presentation
styles can be modified, but new presentation styles cannot be created.
However, not only can the pre-packaged graphic styles be modified,
but new graphic styles can also be created.
What are styles? Why use them?
A style is a set of formats that you can apply to selected items in your
presentation to quickly change their appearance. When you apply a
style, you apply a whole group of formats at the same time. For
example, a style defines the font, type size, indents and spacing, tab
stops, and other characteristics of text; and the area fill and line style
of a frame or other object.
Using styles gives you more control over the entire presentation.
Although you can manually change each slide one element at a time,
any manual changes you make apply only to that one slide. If you have
several slides with the same elements, you would have to change those
elements of each slide if you wanted your slides to have a consistent
appearance. When you do this manually, how can you be sure you
changed every slide that needs to be changed?
However, if you assign a style to each of the elements you add to your
slides, changing the style for that element changes all the slides
containing it. Thus, by using styles, you can eliminate most of the work
required for changing manually created slides.
30 OpenOffice.org Impress Guide
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