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bitmap    
位图,点阵图

位图,点阵图

bitmap
位元组列

bitmap
位元映像

bitmap
n 1: an image represented as a two dimensional array of
brightness values for pixels [synonym: {bitmap}, {electronic
image}]

A data file or structure which
corresponds {bit} for bit with an {image} displayed on a
screen, probably in the same format as it would be stored in
the display's {video memory} or maybe as a {device independent
bitmap}. A bitmap is characterised by the width and height of
the image in {pixels} and the number of bits per pixel which
determines the number of shades of grey or colours it can
represent. A bitmap representing a coloured image (a
"{pixmap}") will usually have pixels with between one and
eight bits for each of the red, green, and blue components,
though other colour encodings are also used. The green
component sometimes has more bits that the other two to cater
for the human eye's greater discrimination in this component.

See also {vector graphics}, {image formats}.

(1996-09-21)


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bitmap查看　bitmap　在百度字典中的解释百度英翻中〔查看〕
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