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Modifying raster object properties
As with other objects, the properties of a raster graphic can be modified. You can
format the graphic using the Format menu or the context menu. Use the Picture
toolbar to add or change filters using the Graphic Filter Bar; adjust the Lines, Areas
and Shadows properties. The Transparency property in the Format menu does not
relate to the transparency of the raster graphic itself but to the background area. To
set the transparency of the graphic, you must use the Picture toolbar.
Graphics can also have a text element. For more on text, see Chapter 10 (Advanced
Draw Techniques).
You can change the position and size of graphics, or rotate them, using the methods
described in Chapter 3 (Working with Objects and Object Points). Raster graphics can
be flipped (Modify > Flip), but note that some Metafile formats might have problems
flipping text.
Graphics included as a member of a group behave like other drawing objects when
the properties of the group are modified.
It is a good idea to (re-)name the graphic using Name from the Modify menu or the
context menu. Only named objects are visible in the Navigator and only named
objects can be directly imported from another file.
The picture (editing) toolbar
If you have enabled the Picture toolbar (in View > Toolbars), it will automatically
appear on the screen whenever you select a (bitmap) picture (see Figure 122). It
appears either directly under the menu bar in place of the formatting toolbar or as a
floating toolbar elsewhere on the screen.
Figure 122: The Picture toolbar
The following table explains the individual functions on the Picture toolbar and
illustrates their use with examples.
Filter
Opens the Filter toolbar, which is described in “The graphic
filter toolbar” on page 98.
Graphics Mode
Use the Graphics mode menu to change the display of the
graphic from normal color to grayscale, black and white, or a
watermark. This setting affects only the display and printing of
the picture; the picture itself remains unchanged.
Default: The graphic is displayed unaltered in color.
Grayscale: The graphic is displayed in 256 shades of gray.
Black/White: The graphic is displayed in black and white.
Watermark: The brightness and contrast of the graphic are reduced to the
extent that the graphic can be used as a watermark
(background).
Chapter 6 Editing Pictures (Raster Graphics) 95
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