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Coreldraw 12 The Official Guide.pdf
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To apply color and tone effects

Click Image ` Transform, and click one of the following effects:

Invert — lets you reverse the colors of an image. Inverting an image creates the appearance of a photographic negative.

Posterize — lets you reduce the number of tonal values in an image to remove

gradations and create larger areas of flat color

Threshold — lets you specify a brightness value as a threshold. Pixels with a brightness value higher or lower than the threshold will display in white or black, depending on the threshold option you specify.

If a dialog box displays, adjust the effect settings.

Managing plug-ins

Plug-ins provide additional features and effects for image editing in Corel PHOTOPAINT. Special effect plug-in filters process image information and alter an image according to preset specifications.

At start-up, Corel PHOTO-PAINT automatically detects and loads plug-ins placed in the plug-ins folder. For example, the Digimarc plug-in is loaded automatically, and added to the Effects menu. You can add more plug-ins to the plug-ins folder or you can add plug-ins installed in other locations, but third-party plug-ins must be installed in a folder for which you have read and write access.

You can disable plug-ins you are not using.

To install a plug-in from another location

1Click Tools ` Options.

2In the Workspace list of categories, click Plug-ins.

3Click Add.

4Choose the folder where the plug-in is stored.

To disable a plug-in

1Click Tools ` Options.

2In the Workspace list of categories, click Plug-ins.

3Disable the checkbox next to the plug-in you want to disable.

Corel PHOTO-PAINT: Applying special effects

427

If your plug-ins are installed in the Corel PHOTO-PAINT plug-ins folder, you must add individual plug-ins to the list on the Plug-ins page, and disable the first checkbox in the list (the Corel PHOTO-PAINT plug-in folder) before you can disable individual plug-ins. To add individual plug-ins to the list, see “To install a plug-in from another location” on page 427.

You can also disable a plug-in and remove it from the plug-in list by clicking a plug-in to highlight it, and clicking the Remove button.

From here

For more information

In the Help index, see...

 

 

Managing plug-ins

plug-ins

 

 

Special effect categories

special effects, categories

 

 

Bevel effects

Bevel effects filter

 

 

Lens flare effect

Lens flare effect filter

 

 

Lighting effects

Lighting effects filter

 

 

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CorelDRAW Graphics Suite 12 User Guide

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