132 Glossary

w

Web palette

A palette or color table containing red, green, and blue pixel colors that is standard for images embedded in Web pages or .htm files. It consists of 216 entries of all combinations of the values 0, 51, 102, 153, 204, and 255.

WIA

Windows Imaging Application. The method Word uses to bring scanned images into an open Word document. Similar to TWAIN.

width

The horizontal dimension of your scan as it is sent to its destination.

Windows bitmap

A bitmapped file format for pictures, supported by most Windows programs. Windows bitmap files support 1-, 4-, 16-, 24-, and 32-bit color. Windows bitmap files are saved with the filename extension

.bmp.

Windows metafile

A file format supporting 24-bit color used to store and exchange image data between Windows-based programs. Windows metafiles are saved with the filename extension .wmf.

x

XPA

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XPA light source

This XPA piece is a light that plugs into the scanner. It fits into the positioning plate and provides backlighting in order to properly scan transparent slide and negative images. (It may also be used as a light box for viewing slides.)

y

z

zoom scan

The ability to enlarge, or magnify, the image in the Preview area so that finer adjustments can be made to the image. This action does not enlarge the picture that is saved, printed, copied to the clipboard, or dragged into another program.

See transparency adapter.