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Adding background objects

This section describes how to add background objects and graphic elements (such as

a logo, decorative lines, and so on). OOo supports a large number of graphical

formats.

When you want the same graphic to appear on every slide of your presentation, the

easiest and quickest solution is to use a slide master. It saves time while creating the

presentation, and also when you want to modify or reposition the graphic on the

slide. If the graphic is added to each slide manually, these operations have to be

performed on each individual slide in the presentation.

One of the most common actions in preparing a presentation is to add a picture to the

slide master. To insert a picture already available on the hard disk, follow these steps:

1) Choose View > Master > Slide Master from the menu bar.

2) Select from the menu bar Insert > Picture > From File.

3) Navigate to the directory where your picture is and select it. If you want to see

a preview, select the corresponding checkbox in the file browser dialog box.

Caution

OOo offers the option to insert a picture as a link to the file rather than

embedding it in the document. This can be useful when a presentation is

not intended to be distributed but will remain in the existing hierarchical

directory structure: for example, a presentation created and displayed to a

group of clients on a single notebook computer..

If the presentation file is to be distributed, the picture should be

embedded to avoid the “missing picture” syndrome when the presentation

is given on a different computer.

Once the picture is inserted, you need to move it to the background. To do that, while

the picture is still selected, right click on the picture and select Arrange > Send to

Back from the context menu. You may also need to reposition it and modify its size.

To do that see Chapter 4 (Adding and Formatting Pictures).

Tip

If you want the image to blend with the background, you can set the

background color of the picture as transparent. Select the picture, then

chose Tools > Eyedropper from the menu bar. Select the first checkbox

and then move the mouse cursor on the picture and click on the color you

want to make transparent. This color appears next to the checkbox. Make

sure that Replace with... is set to Transparent and click Replace.

Tip

An easy way to make the picture lighter, so that the text stands out better

against its background, is to increase the transparency of the picture or

change the gamma. Both these adjustments can be quickly made from the

Picture toolbar.

In addition to pictures you can add a number of other background objects, such as

decorative lines, text and shapes. Figure 21 is an example of a slide master with a

custom background gradient, a background picture, another picture in the top right

corner, some decorative lines and some customized presentation styles.

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