Image Adjustments and Effects 73
3. Right-click the created filter group and select Add Mask from the flyout
menu. A mask thumbnail appears to the left of the filter name.
4. Paint or draw on your image using a suitable grayscale value set as your
foreground color tab. The lower the value, the less masking that is applied
to the original image. The mask thumbnail updates accordingly.
The above mask thumbnail would apply a
mask which produces a vignette effect. As
you can also paint with different grayscale
levels you can achieve even more complex
masking effects.
To disable (enable) a mask:
Right-click the filter group and select Disable Mask (or Enable Mask) from
the flyout menu.
To delete a mask:
Right-click the filter group and select Delete Mask from the flyout menu.
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