User Guide

Chapter 5: Painting And Image Editing
Make polygons: Select this option to create polygons rather than Bézier
curves.
The Output preview displays a portion of the resulting vector objects.
Image adjustment & correction
You can adjust images in Canvas using built-in filters and third-party plug-ins. For example, you can
use the Levels filter to adjust image highlights and shadows, and sharpen scanned photos with the
Unsharp Mask filter.
This section describes the commands you can use to adjust image color and brightness. It also
describes commands for sharpening, softening, and refining images.
Applying image-editing commands
You can apply most image-editing commands to a single paint object if it’s selected or in edit
mode.You can also apply most commands to multiple selected paint objects. You can set image
modes, apply filters, and adjust settings for multiple paint objects at the same time.
In most cases, a command affects an active selection, or an entire image if nothing is selected in edit
mode.
When you apply an image-editing command to more than one selected paint object, you
can’t use the Preview option if the dialog box has it. Preview is available when a single image
is in edit mode.
You can apply a command by choosing Image | Adjust or by using the Adjust menu located in the
Properties bar.
The following summarizes how image-editing commands can be applied.
Mode commands let you set the image mode for one or more selected paint objects.
You can convert multiple objects to image proxies.
Crop command and the Proxy Info command can’t be applied to multiple objects.
Resolution command sets the resolution for one or more selected objects.
Trim command trims one or more selected paint objects.
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