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original

The original document or picture to be scanned.

output

The file that is generated by the scanning process.

output dimensions

The actual height and width of an image when saved. You will not see the size changes to your image in the Preview area since image size affects only the final scan.

output type

The type of file that is generated during the scanning process. Output type reveals the bit depth of the image.

p

Paintbrush

A bitmap file format (.pcx extension) supported by MS-DOS, Windows, UNIX, and other platforms, and numerous programs. Paintbrush files support 24-bit color and can have a maximum image size of 64,000 by 64,000 pixels.

palette

A subset of the color look-up table that establishes the colors that can be displayed on the monitor at a particular time. The only color depth that allows multiple palettes is the 256 (or 8-bit) color setting for your monitor. At a color depth of 256 colors, each program (or even each individual image used or edited in a program) can have a different color palette.

Glossary 127

palette flashing

The flashing that occurs when your monitor is set to a color depth of 256 colors and you switch programs. When you switch programs, the palette of the active program becomes the system palette, and all other programs redraw themselves as accurately as possible with the new colors.

PC fax program

A program for sending electronic documents to someone’s fax machine or PC fax program. Also allows receiving of faxed documents to the computer instead of a fax machine.

pixel

The smallest element (picture element) that can be assigned an independent color and intensity and can be displayed on a computer screen. Pixels are square dots arranged in a grid pattern to make up the images displayed on the screen.

PNG

Portable Network Graphics format. A compressed image file format suitable for the Web that might replace GIF because of copyright issues with GIF format. PNG is non-lossy compressed, supports interlacing, and can be used with the True Color output type, which GIF cannot.

portrait

Orientation of a photograph or image that is taller than it is wide. An image that is wider than it is tall is called a landscape orientation.

positioning plate

This XPA piece is a large template with a rectangular cutout that orients proper placement of the XPA light source on the scanner bed.