Reference layers get their image content from an external source — either a pixel-based layer in the current document or a separate file. They provide a low-resolution representation of the original image that you can quickly manipulate in ways that would otherwise require more time. Working with a reference layer allows you to transform (resize, rotate, or slant) a layer onscreen by dragging its handles. You can adjust various options. Transformations are immediately displayed in the document window. When you finish applying transformations, you commit the reference layer back to a standard layer. Corel Painter examines the source image to restore the original resolution.
You cannot edit the image data in a reference layer. If you try to paint on or apply effects to a reference layer, Corel Painter prompts you to commit it back to a pixel-based layer.
You can create a reference layer by basing it on an existing layer or by placing an image. For more information about placing images, see to "Placing Files" on page 19.
To create a reference layer
1 Select a layer.
2 Choose Effects menu > Orientation > Free Transform.
The layer's icon on the Layers palette changes to an eight-handled square and an eight-handled box marks the boundary of the layer's contents in the document window.
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