analyze-external-image Function

Summary

Gets the properties of DIB data in an external image.

Package

graphics-ports

Signature

analyze-external-image external-image => width, height, color-table, number

Arguments

external-image⇩

An external-image.

Values

width	An integer.
height	An integer.
color-table	A color table.
number	An integer.

Description

The function analyze-external-image returns the width, height, color-table, and number of important colors for the external image external-image.

The image data in external-image must be in Device Independent Bitmap (DIB) format.