Corel Painter X3 Win/Mac, EDU, EN User's Guide download pdf (Page 577)

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554 Corel Painter X3 Getting Started Guide

Choosing the protected area of a selection

The drawing mode determines whether the inside or the outside of a selection is

protected when you paint.

To specify the protected area of a selection

1 Choose Window  Navigator.

2 Click the Open Navigator Settings button , choose Drawing Mode, and then

choose one of the following options:

• Draw Anywhere — disables protection by the selection. Brushstrokes are

allowed anywhere on the canvas. The selection is active only for applying effects

and using the Cut or Copy command.

• Draw Outside — protects the area inside the selection

• Draw Inside — protects the area outside selection. This drawing mode is similar

to using a stencil in that only the selected region accepts brushstrokes.

Saving selections as alpha channels

You can create alpha channels to store multiple selections in a document. An alpha

channel is a temporary storage area for both path-based and pixel-based selections. To

reuse a selection in other documents, you can store the selection in the Selection

Portfolio. It is important to note that the Selection Portfolio stores only path-based

selections. For more information see, “Working with the Selection Portfolio” on

page 558.

You can create an alpha channel from the current selection to copy its editable and

protected areas. You can also combine a new selection with one that was previously

stored in an alpha channel. To reactivate a selection that was previously saved as an

alpha channel, simply load it in the image. Loading a selection reactivates it on the

canvas, where it controls painting and image effects.

Combining selections when saving or loading alpha channels

When you save or load alpha channels, you can combine the current selection with an

existing alpha channel by adding, subtracting, or intersecting with the selection.

Adding to a selection combines it with the existing channel. Subtracting a selection cuts

it out of the existing channel. When intersecting a selection, you include only those

parts that are common to the selection and the existing channel.

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Corel Painter X3 Win/Mac, EDU, EN User's Guide Page 577

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