OpenOffice.org OpenOffice - 3.0 User's Guide Page 99

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value of 3cm in the Left box will cut 3cm from the left side of the
picture.
When
Keep scale
is selected, the size of the image also changes,
so in this example the width will be reduced by 3 cm. If
Keep
image size
is selected instead, the remaining part of the image is
enlarged (positive values for cropping) or shrunk (negative values
for cropping) so that the width and height of the image remains
unchanged.
Note that the
Width
and
Height
fields change as you enter the
values when in this mode. Use the thumbnail next to these fields
to determine the correct amount by which to crop.
Scale Width and Height: specify in percentages the scaling of
the picture. The size of the image changes accordingly.
Image size: specify the size of the image in your preferred unit of
measurement. The image enlarges or shrinks accordingly.
Original size: when clicked, restores the original image size.
Deleting a picture
1) Click on the picture, if necessary, to show the green resizing
handles.
2) Press Delete.
Creating an image map
An image map defines areas of the image (called
hotspots
) with a URI
(a web address or a file on the computer). Hotspots are the graphic
equivalent of text hyperlinks. Clicking on a hotspot causes Impress to
open the linked page in the appropriate program (for example, the
default browser for an HTML page; OOo Writer for a .ODT file; a PDF
viewer for a PDF file). You can create hotspots of various shapes, and
include several hotspots in the same image.
To use the image map tool:
1) Select the picture where the hotspots will be defined.
2) Choose Edit > ImageMap from the menu bar. The ImageMap
Editor dialog box (Figure 65) opens.
3) Use the tools and fields in the dialog box to define the hotspots
and links necessary.
4) Click the Apply icon to apply the settings.
Chapter 4 Adding and Formatting Pictures 99
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