You make your mask by adding digital black paint, obscuring certain parts of the photograph. The resulting mask looks like a white rectangle in your Layers panel and serves as a miniature representation of your document. In Pixelmator, click the gear icon at the bottom of the Layers panel and choose Add Layer Mask. Whether you’re working in Adobe Photoshop or Elements, adding a layer mask is identical: activate the layer and click the circle-within-a-square icon at the bottom of the Layers panel in Photoshop, or at the top of the Layers panel in Elements’ Expert mode (Full Edit in earlier versions). Likewise, Adobe Photoshop Lightroom and Camera Raw use masking for their Adjustments Brush, Gradient and Radial filters. For example, iPhoto for iOS uses masking for its Brushes tool and three of its Artistic Effects. Note: You may not realize it, but many apps use automatic masking in their effects tools to change part of a photo instead of the whole thing.
This “text-behind” technique, wherein the bottom portion of letters are hidden by a layer mask, has been used on the cover of Rolling Stone magazine since the first issue. You can also use masks to combine images, give a photo rounded or painterly edges, change the color of a single object in a photo, create a partial color effect, and more. You can fix exposure problems by using a layer mask to restrict the change to certain areas, or control an area affected by a color tint or a filter’s effect. For example, you can make text appear behind an object in a photo, or isolate a picture’s subject and alter the background. You can perform all manner of non-destructive techniques with layer masks. However, if you use a layer mask to hide pixels instead, you can easily fix an accidental ear cover-up. If you use the Eraser tool and accidentally remove an ear, there’s no getting it back without some heavy undo action. For example, say you’re treating yourself to some head-swapping (fantastic for breakups, pranks, etc). Layer masks make for a far more flexible editing experience because you’re hiding pixels instead of erasing them.
PHOTO LAYERING TOOL FOR MAC HOW TO
Here’s a quick primer on how to use this great tool in your digital image editing program of choice. Masking tape’s digital equivalent-called a layer mask-is a timesaving feature in Adobe Photoshop, Photoshop Elements (version 9+), and the affordable yet powerful Pixelmator.
PHOTO LAYERING TOOL FOR MAC WINDOWS
Remember the last time you gave your walls a fresh coat of paint? You probably used a roll of blue or beige masking tape to cover the baseboards and windows so you wouldn’t get paint on them.
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