Function

Summary

Compresses DIB data in an external image.

Package

graphics-ports

Signature

compress-external-image external-image => result

Arguments

external-image

An external-image.

Values

result

The difference in bytes between size of the original image and the size of the compressed version.

Description

The function compress-external-image converts the external-image data into compressed DIB format.

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