When you use Adobe Photoshop to create graphics for your business and its clients, your imagery consists of pixels, tiny square elements that make up the gridded mosaic underlying bitmapped images.

Although JPEG images are bitmaps -- images built of many individual pixels -- and vector images in formats such as EPS are built of lines, curves, and other geometric shapes, you can use a simple ...

In graphic art and design, a mask is a tool that lets you isolate part of an image from the area surrounding it. Once isolated, you can apply adjustments (for example, special effects or color balance ...