Modifying Raster Object Properties

Apache OpenOffice 4.1 Draw Guide

Editing Pictures (Raster Graphics)

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• Introduction
• Importing Raster and Vector Graphics
  • Link or Embed?
  • Scanning
  • Pasting from the Clipboard
  • Dragging and Dropping
  • Inserting from a File
• Exporting Graphics
  • Exporting the Entire File
  • Exporting Single Objects
  • Exporting as a Vector Graphic
  • Exporting as a Raster Graphic
• Modifying Raster Object Properties
• The Picture (Editing) Toolbar and Graphic Pane
• Cropping
• The Graphic Filter Toolbar
• Changing Colors Using the Color Replacer
  • Practical Example: Changing Wrong Colors to Transparency
  • Effect of the Tolerance Parameter
  • Color Depth
    • Reducing color depth
• Conversion
  • Convert to a Contoured Image
  • Convert to a Polygon
    • Number of Colors
    • Point Reduction
    • Fill Holes
  • Convert to Bitmap
• Print Options with Raster Graphics

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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 Graphic pane of the Sidebar, 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 may 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.