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images.loader: added image encode protocol

db4
Keith Lazuka 2009-09-29 20:32:41 -04:00
parent 17b52314dc
commit f297e88987
1 changed files with 13 additions and 3 deletions
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16
basis/images/loader/loader.factor
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@ -1,9 +1,9 @@
! Copyright (C) 2009 Doug Coleman, Daniel Ehrenberg.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs byte-arrays combinators images
io.encodings.binary io.pathnames io.streams.byte-array
io.streams.limited kernel namespaces splitting strings
unicode.case sequences ;
io.encodings.binary io.files io.pathnames io.streams.byte-array
io.streams.limited kernel namespaces sequences splitting
strings unicode.case ;
IN: images.loader
ERROR: unknown-image-extension extension ;
@ -22,6 +22,8 @@ types [ H{ } clone ] initialize
PRIVATE>
! Image Decode
GENERIC# load-image* 1 ( obj class -- image )
GENERIC: stream>image ( stream class -- image )
@ -43,3 +45,11 @@ M: limited-stream load-image* stream>image ;
M: string load-image* [ open-image-file ] dip stream>image ;
M: pathname load-image* [ open-image-file ] dip stream>image ;
! Image Encode
GENERIC: image>stream ( image class -- )
: save-graphic-image ( image path -- )
[ image-class ] [ ] bi
binary [ image>stream ] with-file-writer ;