575 lines
17 KiB
Factor
575 lines
17 KiB
Factor
! Copyright (C) 2009 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays assocs byte-arrays classes combinators
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compression.lzw 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 math.vectors specialized-arrays locals
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images.loader ;
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FROM: alien.c-types => float ;
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SPECIALIZED-ARRAY: float
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IN: images.tiff
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SINGLETON: tiff-image
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TUPLE: loading-tiff endianness the-answer ifd-offset ifds ;
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: <loading-tiff> ( -- tiff )
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loading-tiff new V{ } clone >>ifds ;
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TUPLE: ifd count ifd-entries next
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processed-tags strips bitmap ;
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: <ifd> ( count ifd-entries next -- ifd )
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ifd new
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swap >>next
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swap >>ifd-entries
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swap >>count ;
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TUPLE: ifd-entry tag type count offset/value ;
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: <ifd-entry> ( tag type count offset/value -- ifd-entry )
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ifd-entry new
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swap >>offset/value
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swap >>count
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swap >>type
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swap >>tag ;
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SINGLETONS: photometric-interpretation
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photometric-interpretation-white-is-zero
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photometric-interpretation-black-is-zero
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photometric-interpretation-rgb
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photometric-interpretation-palette-color
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photometric-interpretation-transparency-mask
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photometric-interpretation-separated
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photometric-interpretation-ycbcr
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photometric-interpretation-cielab
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photometric-interpretation-icclab
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photometric-interpretation-itulab
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photometric-interpretation-logl
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photometric-interpretation-logluv ;
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ERROR: bad-photometric-interpretation n ;
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: lookup-photometric-interpretation ( n -- singleton )
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{
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{ 0 [ photometric-interpretation-white-is-zero ] }
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{ 1 [ photometric-interpretation-black-is-zero ] }
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{ 2 [ photometric-interpretation-rgb ] }
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{ 3 [ photometric-interpretation-palette-color ] }
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{ 4 [ photometric-interpretation-transparency-mask ] }
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{ 5 [ photometric-interpretation-separated ] }
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{ 6 [ photometric-interpretation-ycbcr ] }
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{ 8 [ photometric-interpretation-cielab ] }
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{ 9 [ photometric-interpretation-icclab ] }
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{ 10 [ photometric-interpretation-itulab ] }
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{ 32844 [ photometric-interpretation-logl ] }
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{ 32845 [ photometric-interpretation-logluv ] }
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[ bad-photometric-interpretation ]
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} case ;
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SINGLETONS: compression
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compression-none
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compression-CCITT-2
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compression-CCITT-3
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compression-CCITT-4
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compression-lzw
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compression-jpeg-old
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compression-jpeg-new
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compression-adobe-deflate
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compression-9
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compression-10
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compression-deflate
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compression-next
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compression-ccittrlew
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compression-pack-bits
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compression-thunderscan
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compression-it8ctpad
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compression-it8lw
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compression-it8mp
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compression-it8bl
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compression-pixarfilm
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compression-pixarlog
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compression-dcs
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compression-jbig
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compression-sgilog
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compression-sgilog24
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compression-jp2000 ;
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ERROR: bad-compression n ;
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: lookup-compression ( n -- compression )
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{
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{ 1 [ compression-none ] }
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{ 2 [ compression-CCITT-2 ] }
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{ 3 [ compression-CCITT-3 ] }
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{ 4 [ compression-CCITT-4 ] }
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{ 5 [ compression-lzw ] }
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{ 6 [ compression-jpeg-old ] }
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{ 7 [ compression-jpeg-new ] }
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{ 8 [ compression-adobe-deflate ] }
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{ 9 [ compression-9 ] }
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{ 10 [ compression-10 ] }
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{ 32766 [ compression-next ] }
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{ 32771 [ compression-ccittrlew ] }
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{ 32773 [ compression-pack-bits ] }
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{ 32809 [ compression-thunderscan ] }
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{ 32895 [ compression-it8ctpad ] }
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{ 32896 [ compression-it8lw ] }
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{ 32897 [ compression-it8mp ] }
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{ 32898 [ compression-it8bl ] }
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{ 32908 [ compression-pixarfilm ] }
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{ 32909 [ compression-pixarlog ] }
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{ 32946 [ compression-deflate ] }
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{ 32947 [ compression-dcs ] }
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{ 34661 [ compression-jbig ] }
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{ 34676 [ compression-sgilog ] }
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{ 34677 [ compression-sgilog24 ] }
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{ 34712 [ compression-jp2000 ] }
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[ bad-compression ]
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} case ;
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SINGLETONS: resolution-unit
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resolution-unit-none
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resolution-unit-inch
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resolution-unit-centimeter ;
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ERROR: bad-resolution-unit n ;
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: lookup-resolution-unit ( n -- object )
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{
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{ 1 [ resolution-unit-none ] }
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{ 2 [ resolution-unit-inch ] }
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{ 3 [ resolution-unit-centimeter ] }
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[ bad-resolution-unit ]
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} case ;
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SINGLETONS: predictor
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predictor-none
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predictor-horizontal-differencing ;
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ERROR: bad-predictor n ;
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: lookup-predictor ( n -- object )
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{
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{ 1 [ predictor-none ] }
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{ 2 [ predictor-horizontal-differencing ] }
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[ bad-predictor ]
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} case ;
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SINGLETONS: planar-configuration
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planar-configuration-chunky
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planar-configuration-planar ;
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ERROR: bad-planar-configuration n ;
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: lookup-planar-configuration ( n -- object )
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{
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{ 1 [ planar-configuration-chunky ] }
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{ 2 [ planar-configuration-planar ] }
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[ bad-planar-configuration ]
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} case ;
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SINGLETONS: sample-format
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sample-format-none
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sample-format-unsigned-integer
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sample-format-signed-integer
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sample-format-ieee-float
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sample-format-undefined-data ;
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ERROR: bad-sample-format n ;
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: lookup-sample-format ( sequence -- object )
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[
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{
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{ 0 [ sample-format-none ] }
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{ 1 [ sample-format-unsigned-integer ] }
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{ 2 [ sample-format-signed-integer ] }
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{ 3 [ sample-format-ieee-float ] }
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{ 4 [ sample-format-undefined-data ] }
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[ bad-sample-format ]
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} case
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] map ;
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SINGLETONS: extra-samples
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extra-samples-unspecified-alpha-data
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extra-samples-associated-alpha-data
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extra-samples-unassociated-alpha-data ;
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ERROR: bad-extra-samples n ;
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: lookup-extra-samples ( sequence -- object )
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{
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{ 0 [ extra-samples-unspecified-alpha-data ] }
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{ 1 [ extra-samples-associated-alpha-data ] }
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{ 2 [ extra-samples-unassociated-alpha-data ] }
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[ bad-extra-samples ]
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} case ;
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SINGLETONS: image-length image-width x-resolution y-resolution
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rows-per-strip strip-offsets strip-byte-counts bits-per-sample
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samples-per-pixel new-subfile-type subfile-type orientation
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software date-time photoshop exif-ifd sub-ifd inter-color-profile
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xmp iptc fill-order document-name page-number page-name
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x-position y-position host-computer copyright artist
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min-sample-value max-sample-value tiff-make tiff-model cell-width cell-length
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gray-response-unit gray-response-curve color-map threshholding
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image-description free-offsets free-byte-counts tile-width tile-length
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matteing data-type image-depth tile-depth
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ycbcr-subsampling gdal-metadata
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tile-offsets tile-byte-counts jpeg-qtables jpeg-dctables jpeg-actables
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ycbcr-positioning ycbcr-coefficients reference-black-white halftone-hints
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jpeg-interchange-format
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jpeg-interchange-format-length
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jpeg-restart-interval jpeg-tables
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t4-options clean-fax-data bad-fax-lines consecutive-bad-fax-lines
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sto-nits print-image-matching-info
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unhandled-ifd-entry ;
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SINGLETONS: jpeg-proc
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jpeg-proc-baseline
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jpeg-proc-lossless ;
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ERROR: bad-jpeg-proc n ;
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: lookup-jpeg-proc ( sequence -- object )
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{
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{ 1 [ jpeg-proc-baseline ] }
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{ 14 [ jpeg-proc-lossless ] }
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[ bad-jpeg-proc ]
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} case ;
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ERROR: bad-tiff-magic bytes ;
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: tiff-endianness ( byte-array -- ? )
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{
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{ B{ CHAR: M CHAR: M } [ big-endian ] }
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{ B{ CHAR: I CHAR: I } [ little-endian ] }
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[ bad-tiff-magic ]
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} case ;
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: read-header ( tiff -- tiff )
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2 read tiff-endianness [ >>endianness ] keep
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[
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2 read endian> >>the-answer
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4 read endian> >>ifd-offset
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] with-endianness ;
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: push-ifd ( tiff ifd -- tiff ) over ifds>> push ;
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: read-ifd ( -- ifd )
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2 read endian>
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2 read endian>
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4 read endian>
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4 read endian> <ifd-entry> ;
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: read-ifds ( tiff offset -- tiff )
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seek-absolute seek-input
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2 read endian>
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dup [ read-ifd ] replicate
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4 read endian>
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[ <ifd> push-ifd ] [ dup 0 = [ drop ] [ read-ifds ] if ] bi ;
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ERROR: no-tag class ;
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: find-tag* ( ifd class -- tag/class ? )
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swap processed-tags>> ?at ;
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: find-tag ( ifd class -- tag )
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find-tag* [ no-tag ] unless ;
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: tag? ( ifd class -- tag )
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swap processed-tags>> key? ;
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: read-strips ( ifd -- ifd )
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dup
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[ strip-byte-counts find-tag ]
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[ strip-offsets find-tag ] bi
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2dup [ integer? ] both? [
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seek-absolute seek-input read 1array
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] [
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[ seek-absolute seek-input read ] { } 2map-as
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] if >>strips ;
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ERROR: unknown-ifd-type n ;
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: bytes>bits ( n/byte-array -- n )
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dup byte-array? [ byte-array>bignum ] when ;
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: value-length ( ifd-entry -- n )
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[ count>> ] [ type>> ] bi {
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{ 1 [ ] }
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{ 2 [ ] }
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{ 3 [ 2 * ] }
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{ 4 [ 4 * ] }
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{ 5 [ 8 * ] }
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{ 6 [ ] }
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{ 7 [ ] }
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{ 8 [ 2 * ] }
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{ 9 [ 4 * ] }
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{ 10 [ 8 * ] }
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{ 11 [ 4 * ] }
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{ 12 [ 8 * ] }
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{ 13 [ 4 * ] }
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[ unknown-ifd-type ]
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} case ;
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ERROR: bad-small-ifd-type n ;
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: adjust-offset/value ( ifd-entry -- obj )
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[ offset/value>> 4 >endian ] [ type>> ] bi
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{
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{ 1 [ 1 head endian> ] }
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{ 3 [ 2 head endian> ] }
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{ 4 [ endian> ] }
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{ 6 [ 1 head endian> 8 >signed ] }
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{ 8 [ 2 head endian> 16 >signed ] }
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{ 9 [ endian> 32 >signed ] }
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{ 11 [ endian> bits>float ] }
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{ 13 [ endian> 32 >signed ] }
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[ bad-small-ifd-type ]
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} case ;
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: offset-bytes>obj ( bytes type -- obj )
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{
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{ 1 [ ] } ! blank
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{ 2 [ ] } ! read c strings here
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{ 3 [ 2 <sliced-groups> [ endian> ] map ] }
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{ 4 [ 4 <sliced-groups> [ endian> ] map ] }
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{ 5 [ 8 <sliced-groups> [ "II" unpack first2 / ] map ] }
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{ 6 [ [ 8 >signed ] map ] }
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{ 7 [ ] } ! blank
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{ 8 [ 2 <sliced-groups> [ endian> 16 >signed ] map ] }
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{ 9 [ 4 <sliced-groups> [ endian> 32 >signed ] map ] }
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{ 10 [ 8 group [ "ii" unpack first2 / ] map ] }
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{ 11 [ 4 group [ "f" unpack ] map ] }
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{ 12 [ 8 group [ "d" unpack ] map ] }
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[ unknown-ifd-type ]
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} case ;
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: ifd-entry-value ( ifd-entry -- n )
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dup value-length 4 <= [
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adjust-offset/value
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] [
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[ offset/value>> seek-absolute seek-input ]
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[ value-length read ]
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[ type>> ] tri offset-bytes>obj
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] if ;
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: process-ifd-entry ( ifd-entry -- value class )
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[ ifd-entry-value ] [ tag>> ] bi {
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{ 254 [ new-subfile-type ] }
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{ 255 [ subfile-type ] }
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{ 256 [ image-width ] }
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{ 257 [ image-length ] }
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{ 258 [ bits-per-sample ] }
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{ 259 [ lookup-compression compression ] }
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{ 262 [ lookup-photometric-interpretation photometric-interpretation ] }
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{ 263 [ threshholding ] }
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{ 264 [ cell-width ] }
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{ 265 [ cell-length ] }
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{ 266 [ fill-order ] }
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{ 269 [ ascii decode document-name ] }
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{ 270 [ ascii decode image-description ] }
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{ 271 [ ascii decode tiff-make ] }
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{ 272 [ ascii decode tiff-model ] }
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{ 273 [ strip-offsets ] }
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{ 274 [ orientation ] }
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{ 277 [ samples-per-pixel ] }
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{ 278 [ rows-per-strip ] }
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{ 279 [ strip-byte-counts ] }
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{ 280 [ min-sample-value ] }
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{ 281 [ max-sample-value ] }
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{ 282 [ first x-resolution ] }
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{ 283 [ first y-resolution ] }
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{ 284 [ lookup-planar-configuration planar-configuration ] }
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{ 285 [ page-name ] }
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{ 286 [ x-position ] }
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{ 287 [ y-position ] }
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{ 288 [ free-offsets ] }
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{ 289 [ free-byte-counts ] }
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{ 290 [ gray-response-unit ] }
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{ 291 [ gray-response-curve ] }
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{ 292 [ t4-options ] }
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{ 296 [ lookup-resolution-unit resolution-unit ] }
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{ 297 [ page-number ] }
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{ 305 [ ascii decode software ] }
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{ 306 [ ascii decode date-time ] }
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{ 315 [ ascii decode artist ] }
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{ 316 [ ascii decode host-computer ] }
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{ 317 [ lookup-predictor predictor ] }
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{ 320 [ color-map ] }
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{ 321 [ halftone-hints ] }
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{ 322 [ tile-width ] }
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{ 323 [ tile-length ] }
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{ 324 [ tile-offsets ] }
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{ 325 [ tile-byte-counts ] }
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{ 326 [ bad-fax-lines ] }
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{ 327 [ clean-fax-data ] }
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{ 328 [ consecutive-bad-fax-lines ] }
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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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{ 347 [ jpeg-tables ] }
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{ 512 [ lookup-jpeg-proc jpeg-proc ] }
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{ 513 [ jpeg-interchange-format ] }
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{ 514 [ jpeg-interchange-format-length ] }
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{ 515 [ jpeg-restart-interval ] }
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{ 519 [ jpeg-qtables ] }
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{ 520 [ jpeg-dctables ] }
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{ 521 [ jpeg-actables ] }
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{ 529 [ ycbcr-coefficients ] }
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{ 530 [ ycbcr-subsampling ] }
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{ 531 [ ycbcr-positioning ] }
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{ 532 [ reference-black-white ] }
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{ 700 [ utf8 decode xmp ] }
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{ 32995 [ matteing ] }
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{ 32996 [ data-type ] }
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{ 32997 [ image-depth ] }
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{ 32998 [ tile-depth ] }
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{ 33432 [ copyright ] }
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{ 33723 [ iptc ] }
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{ 34377 [ photoshop ] }
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{ 34665 [ exif-ifd ] }
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{ 34675 [ inter-color-profile ] }
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{ 37439 [ sto-nits ] }
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{ 42112 [ gdal-metadata ] }
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{ 50341 [ print-image-matching-info ] }
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[ nip unhandled-ifd-entry swap ]
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} case ;
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: process-ifds ( loading-tiff -- loading-tiff )
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[
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[
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dup ifd-entries>>
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[ process-ifd-entry swap ] H{ } map>assoc >>processed-tags
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] map
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] change-ifds ;
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ERROR: unhandled-compression compression ;
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: (uncompress-strips) ( strips compression -- uncompressed-strips )
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{
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{ compression-none [ ] }
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{ compression-lzw [ [ tiff-lzw-uncompress ] map ] }
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[ unhandled-compression ]
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} case ;
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: uncompress-strips ( ifd -- ifd )
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dup '[
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_ compression find-tag (uncompress-strips)
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] change-strips ;
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: strips>bitmap ( ifd -- ifd )
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dup strips>> concat >>bitmap ;
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: (strips-predictor) ( ifd -- ifd )
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[ ]
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[ image-width find-tag ]
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[ samples-per-pixel find-tag ] tri
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[ * ] keep
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'[
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_ group
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[ _ group unclip [ v+ ] accumulate swap suffix concat ] map
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B{ } concat-as
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] change-bitmap ;
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: strips-predictor ( ifd -- ifd )
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dup predictor tag? [
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dup predictor find-tag
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{
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{ predictor-none [ ] }
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{ predictor-horizontal-differencing [ (strips-predictor) ] }
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[ bad-predictor ]
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} case
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] when ;
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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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{ 8 [ ] }
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[ unknown-component-order ]
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} case >>bitmap ;
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: ifd-component-order ( ifd -- component-order component-type )
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bits-per-sample find-tag {
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{ { 32 32 32 32 } [ RGBA float-components ] }
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{ { 32 32 32 } [ RGB float-components ] }
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{ { 16 16 16 16 } [ RGBA ushort-components ] }
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{ { 16 16 16 } [ RGB ushort-components ] }
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{ { 8 8 8 8 } [ RGBA ubyte-components ] }
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{ { 8 8 8 } [ RGB ubyte-components ] }
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{ 8 [ LA ubyte-components ] }
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[ unknown-component-order ]
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} case ;
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: handle-alpha-data ( ifd -- ifd )
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dup extra-samples find-tag {
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{ extra-samples-associated-alpha-data [ ] }
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{ extra-samples-unspecified-alpha-data [ ] }
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{ extra-samples-unassociated-alpha-data [ ] }
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[ bad-extra-samples ]
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} case ;
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: ifd>image ( ifd -- image )
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[ <image> ] dip {
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[ [ image-width find-tag ] [ image-length find-tag ] bi 2array >>dim ]
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[ ifd-component-order [ >>component-order ] [ >>component-type ] bi* ]
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[ bitmap>> >>bitmap ]
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} cleave ;
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: tiff>image ( image -- image )
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ifds>> [ ifd>image ] map first ;
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: with-tiff-endianness ( loading-tiff quot -- )
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|
[ dup endianness>> ] dip with-endianness ; inline
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|
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: load-tiff-ifds ( stream -- loading-tiff )
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|
[
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<loading-tiff>
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read-header [
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dup ifd-offset>> read-ifds
|
|
process-ifds
|
|
] with-tiff-endianness
|
|
] with-input-stream* ;
|
|
|
|
: process-chunky-ifd ( ifd -- )
|
|
read-strips
|
|
uncompress-strips
|
|
strips>bitmap
|
|
fix-bitmap-endianness
|
|
strips-predictor
|
|
dup extra-samples tag? [ handle-alpha-data ] when
|
|
drop ;
|
|
|
|
: process-planar-ifd ( ifd -- )
|
|
"planar ifd not supported" throw ;
|
|
|
|
: dispatch-planar-configuration ( ifd planar-configuration -- )
|
|
{
|
|
{ planar-configuration-chunky [ process-chunky-ifd ] }
|
|
{ planar-configuration-planar [ process-planar-ifd ] }
|
|
} case ;
|
|
|
|
: process-ifd ( ifd -- )
|
|
dup planar-configuration find-tag* [
|
|
dispatch-planar-configuration
|
|
] [
|
|
drop "no planar configuration" throw
|
|
] if ;
|
|
|
|
: process-tif-ifds ( loading-tiff -- )
|
|
ifds>> [ process-ifd ] each ;
|
|
|
|
: load-tiff ( stream -- loading-tiff )
|
|
[ load-tiff-ifds dup ]
|
|
[
|
|
[ [ 0 seek-absolute ] dip stream-seek ]
|
|
[
|
|
[
|
|
[ process-tif-ifds ] with-tiff-endianness
|
|
] with-input-stream
|
|
] bi
|
|
] bi ;
|
|
|
|
! tiff files can store several images -- we just take the first for now
|
|
M: tiff-image stream>image ( stream tiff-image -- image )
|
|
drop load-tiff tiff>image ;
|
|
|
|
{ "tif" "tiff" } [ tiff-image register-image-class ] each
|