factor/basis/images/loader/loader.factor

25 lines
606 B
Factor

! Copyright (C) 2009 Doug Coleman, Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
USING: constructors kernel splitting unicode.case combinators
accessors images io.pathnames namespaces assocs ;
IN: images.loader
ERROR: unknown-image-extension extension ;
<PRIVATE
SYMBOL: types
types [ H{ } clone ] initialize
: image-class ( path -- class )
file-extension >lower types get ?at
[ unknown-image-extension ] unless ;
PRIVATE>
: register-image-class ( extension class -- )
swap types get set-at ;
: load-image ( path -- image )
dup image-class load-image* ;