OpenOffice.org OpenOffice - 3.3 Manual de usuario descargar pdf (Pagina 238)

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Preparing images for black-and-white printing

If color images are to be printed in grayscale, check that any adjacent colors have

good contrast and print dark enough. Test by printing on a black-and-white printer

using a grayscale setting. Better still: change the “mode” of the image to grayscale,

either in a photo editor or in Writer itself (see “Graphics mode ” on page 243).

For example, the following diagram looks good in color. The circle is dark red and the

square is dark blue. In grayscale, the difference between the two is not so clear. A

third element in the diagram is a yellow arrow, which is almost invisible in grayscale.

Original drawing in color

Drawing printed in grayscale

Changing the colors of the circle and the arrow improves the contrast and visibility of

the resulting grayscale image.

Original drawing in color

Drawing printed in grayscale

If the document will be available in black-and-white print only, a better result can

often be obtained by choosing grayscale fills, not color fills—and you don’t have to

guess and test to see if you’ve made good choices.

Adding images to a document

Images can be added to a document in several ways: by inserting an image file,

directly from a graphics program or a scanner, or from the OOo Gallery.

Inserting an image file

When the image is in a file stored on the computer, you can insert it into an OOo

document using either of the following methods.

Drag and drop

1) Open a file browser window and locate the image you want to insert.

2) Drag the image into the Writer document and drop it where you want it to

appear. A faint vertical line marks where the image will be dropped.

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