Merge branch 'master' of git://factorcode.org/git/factor
commit
08a4d52a8e
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@ -1,39 +1,39 @@
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! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: alien.c-types namespaces io.binary fry
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kernel math ;
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kernel math grouping sequences ;
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IN: endian
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SINGLETONS: big-endian little-endian ;
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: native-endianness ( -- class )
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: compute-native-endianness ( -- class )
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1 <int> *char 0 = big-endian little-endian ? ;
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: >signed ( x n -- y )
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2dup neg 1+ shift 1 = [ 2^ - ] [ drop ] if ;
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native-endianness \ native-endianness set-global
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SYMBOL: native-endianness
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native-endianness [ compute-native-endianness ] initialize
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SYMBOL: endianness
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endianness [ native-endianness get-global ] initialize
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\ native-endianness get-global endianness set-global
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HOOK: >native-endian native-endianness ( obj n -- str )
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HOOK: >native-endian native-endianness ( obj n -- bytes )
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M: big-endian >native-endian >be ;
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M: little-endian >native-endian >le ;
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HOOK: unsigned-native-endian> native-endianness ( obj -- str )
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HOOK: unsigned-native-endian> native-endianness ( obj -- bytes )
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M: big-endian unsigned-native-endian> be> ;
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M: little-endian unsigned-native-endian> le> ;
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: signed-native-endian> ( obj n -- str )
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: signed-native-endian> ( obj n -- n' )
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[ unsigned-native-endian> ] dip >signed ;
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HOOK: >endian endianness ( obj n -- str )
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HOOK: >endian endianness ( obj n -- bytes )
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M: big-endian >endian >be ;
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@ -45,13 +45,13 @@ M: big-endian endian> be> ;
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M: little-endian endian> le> ;
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HOOK: unsigned-endian> endianness ( obj -- str )
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HOOK: unsigned-endian> endianness ( obj -- bytes )
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M: big-endian unsigned-endian> be> ;
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M: little-endian unsigned-endian> le> ;
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: signed-endian> ( obj n -- str )
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: signed-endian> ( obj n -- bytes )
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[ unsigned-endian> ] dip >signed ;
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: with-endianness ( endian quot -- )
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@ -65,3 +65,15 @@ M: little-endian unsigned-endian> le> ;
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: with-native-endian ( quot -- )
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\ native-endianness get-global swap with-endianness ; inline
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: seq>native-endianness ( seq n -- seq' )
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native-endianness get-global dup endianness get = [
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2drop
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] [
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[ [ <sliced-groups> ] keep ] dip
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little-endian = [
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'[ be> _ >le ] map
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] [
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'[ le> _ >be ] map
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] if concat
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] if ; inline
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@ -105,7 +105,6 @@ ERROR: unknown-component-order bitmap ;
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{
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[ [ width>> ] [ height>> ] bi 2array ]
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[ bitmap>component-order ]
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[ drop little-endian ] ! XXX
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[ buffer>> ]
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} cleave bitmap-image boa ;
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@ -1,13 +1,14 @@
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! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel accessors grouping sequences combinators
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math specialized-arrays.direct.uint byte-arrays ;
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math specialized-arrays.direct.uint byte-arrays
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specialized-arrays.direct.ushort ;
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IN: images
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SINGLETONS: BGR RGB BGRA RGBA ABGR ARGB RGBX XRGB BGRX XBGR
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R16G16B16 R32G32B32 ;
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TUPLE: image dim component-order byte-order bitmap ;
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TUPLE: image dim component-order bitmap ;
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: <image> ( -- image ) image new ; inline
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@ -28,6 +29,13 @@ GENERIC: load-image* ( path tuple -- image )
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>byte-array add-dummy-alpha
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] change-bitmap
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] }
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{ R16G16B16 [
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[
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dup length 2 / <direct-ushort-array>
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[ -8 shift ] map
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>byte-array add-dummy-alpha
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] change-bitmap
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] }
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{ BGRA [
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[
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4 <sliced-groups> dup [ [ 0 3 ] dip <slice> reverse-here ] each
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@ -1,9 +1,11 @@
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! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors combinators io io.encodings.binary io.files kernel
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pack endian constructors sequences arrays math.order math.parser
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prettyprint classes io.binary assocs math math.bitwise byte-arrays
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grouping images compression.lzw fry strings ;
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USING: accessors arrays assocs byte-arrays classes combinators
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compression.lzw constructors endian fry grouping images io
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io.binary io.encodings.ascii io.encodings.binary
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io.encodings.string io.encodings.utf8 io.files kernel math
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math.bitwise math.order math.parser pack prettyprint sequences
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strings ;
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IN: images.tiff
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TUPLE: tiff-image < image ;
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@ -249,13 +251,13 @@ ERROR: bad-small-ifd-type n ;
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{ 283 [ first y-resolution ] }
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{ 284 [ planar-configuration ] }
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{ 296 [ lookup-resolution-unit resolution-unit ] }
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{ 305 [ >string software ] }
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{ 306 [ >string date-time ] }
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{ 305 [ ascii decode software ] }
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{ 306 [ ascii decode date-time ] }
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{ 317 [ lookup-predictor predictor ] }
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{ 330 [ sub-ifd ] }
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{ 338 [ lookup-extra-samples extra-samples ] }
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{ 339 [ lookup-sample-format sample-format ] }
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{ 700 [ >string xmp ] }
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{ 700 [ utf8 decode xmp ] }
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{ 34377 [ photoshop ] }
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{ 34665 [ exif-ifd ] }
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{ 33723 [ iptc ] }
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ERROR: unknown-component-order ifd ;
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: fix-bitmap-endianness ( ifd -- ifd )
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dup [ bitmap>> ] [ bits-per-sample find-tag ] bi
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{
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{ { 32 32 32 32 } [ 4 seq>native-endianness ] }
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{ { 32 32 32 } [ 4 seq>native-endianness ] }
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{ { 16 16 16 16 } [ 2 seq>native-endianness ] }
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{ { 16 16 16 } [ 2 seq>native-endianness ] }
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{ { 8 8 8 8 } [ ] }
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{ { 8 8 8 } [ ] }
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[ unknown-component-order ]
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} case >>bitmap ;
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: ifd-component-order ( ifd -- byte-order )
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bits-per-sample find-tag {
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{ { 32 32 32 } [ R32G32B32 ] }
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{
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[ [ image-width find-tag ] [ image-length find-tag ] bi 2array ]
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[ ifd-component-order ]
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[ drop big-endian ] ! XXX
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[ bitmap>> ]
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} cleave tiff-image boa ;
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dup ifds>> [
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process-ifd read-strips
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uncompress-strips
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strips>bitmap drop
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strips>bitmap
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fix-bitmap-endianness
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drop
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] each
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] with-endianness
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] with-file-reader ;
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@ -1,7 +1,7 @@
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! Copyright (C) 2008 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: unix alien alien.c-types kernel math sequences strings
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io.backend.unix splitting ;
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io.backend.unix splitting io.encodings.utf8 io.encodings.string ;
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IN: system-info.linux
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: (uname) ( buf -- int )
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: uname ( -- seq )
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65536 "char" <c-array> [ (uname) io-error ] keep
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"\0" split harvest [ >string ] map
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"\0" split harvest [ utf8 decode ] map
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6 "" pad-tail ;
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: sysname ( -- string ) uname first ;
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