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clear-external-image-conversions Function

Summary

Clears external image conversions for a port.

Package

graphics-ports

Signature

clear-external-image-conversions external-image-or-null gp-or-null &key free-image all errorp

Arguments
external-image-or-null
An external image or nil.
gp-or-null
A graphics port or nil.
free-image
A boolean.
all
A boolean.
errorp
A boolean.
Description

The function clear-external-image-conversions clears the external image conversions for a port.

If external-image-or-null is nil, then conversions for all images are cleared. Otherwise, only conversions for external-image-or-null are cleared.

If gp-or-null is nil all conversions are cleared using the image-color-users. If all is non-nil all conversions for all ports are cleared using gp-or-null. Conversions are also freed if free-image is non-nil. By default, free-image is t, all is (null gp-or-null), and errorp is t.

See also

13 Drawing - Graphics Ports


CAPI User Guide and Reference Manual (Macintosh version) - 01 Dec 2021 19:31:44