Layer masking

A layer mask is used to reveal a portion of a layer while the rest of the layer remains hidden. This means that you can use a mask layer to 'delete' areas of a layer that you don't want.

In Affinity Designer, two types of masking are possible:

The non-destructive power of masking

Masks are applied to designs as a separate layer, allowing them to be freely edited and moved. Mask layers affect any object below them within the same parent layer. They can also be clipped to individual objects so that only that object is affected.

Pixel Persona Erase Brush tool Paint Brush To add a pixel mask to a vector layer:
  1. In the Layers panel, select the chosen vector layer.
  2. Jump to Pixel Persona.
  3. Do one of the following:
    • To 'erase', paint on the page using the Erase Brush tool. A mask layer is created on painting.
    • To 'restore' the mask, paint on the page using the Paint Brush Tool. A white fill completely restores, while greyscale fills partially restore the mask by varying amounts.
Mask Layer To create an empty mask layer:
To edit a pixel mask:
  1. In the Layers panel, select the mask thumbnail representing the mask layer.
  2. Paint using the above tools.
To change pixel mask properties:
To enable/disable a clipped mask layer:
To add a vector mask:
  1. Draw a vector object, e.g., a line or shape, which is to be your mask.
  2. Do one of the following:
    • In the Layers panel, drag the created object entry directly onto the thumbnail of another 'target' object.
    • -click the object and select Mask to Below, if the object to be masked is directly below the masking object.

The thumbnail of the target object changes to indicate that a mask and crop have been applied.

The mask of the object is applied in a "crop to top object" operation.

To delete a mask:
  1. In the Layers panel, select the mask's thumbnail.
  2. Press the .

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