2 GP Reference Entries

clear-external-image-conversions

Function

Summary
: Clears external image conversions for a port.
Signature

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

Arguments

external-image: An external image
gp-or-null: A graphics port ornil
free-image: A boolean
all: A boolean
errorp: A boolean

Description

Theclear-external-image-conversions function clears the external image conversions for a port. If gp-or-null isnil 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 ist, all is(nullgp-or-null), and errorp ist.