OpenOffice.org OpenOffice - 3.3 Základní průvodce stáhnout pdf (Strana 127)

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Figure 114: The Crop dialog

On the Crop dialog, you can control the following parameters:

Keep scale / Keep image size

When Keep scale is selected (default), cropping the image does not change the

scale of the picture.

When Keep image size is selected, cropping enlarges (for positive cropping

values), shrinks (for negative cropping values), or distorts of the image so that the

image size remains constant.

Left, Right, Top, and Bottom

The image is cropped by the amount entered in these boxes. For example, a value

of 3cm in the Left box cuts 3 cm 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.

• When Keep image size is selected, the remaining part of the image is

enlarged (when you enter positive values for cropping) or shrunk (when you

enter negative values for cropping) so that the width and height of the image is

not changed.

Width and Height

The Width and Height fields under either Scale or Image size change as you enter

values in the Left, Right, Top, and Bottom fields. Use the thumbnail next to these

fields to determine the correct amount by which to crop.

The cropped shape is always a rectangle; more complex cropped shapes are not

possible in Calc. Instead, use a dedicated photo or image editing software for the job,

then import the image into Calc.

Note

If you crop an image in Calc, the picture itself is not changed. If you

export the document to HTML, the original image is exported, not the

cropped image.

Chapter 5 Using Graphics in Calc 127

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