56 lines
2.2 KiB
Scheme
56 lines
2.2 KiB
Scheme
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#! /usr/local/bin/scsh \
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-e tiff-prober -ll sunterlib.scm -o tiff -o tiff-helpers -o endian -s
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!#
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;****************************************************************************
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; TIFF prober
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;
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; This code reads a TIFF file and prints out its directory (as well as values
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; of a few "important" tags)
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; Usage
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; tiff-prober tiff-file1...
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; Derived from Oleg Kiselyov's tiff-prober.scm 2.0 2003/10/04 02:35:30
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; Changes for the sunterlib
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; procedural wrapper TIFF-PROBER as entry point
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; argv as parameter
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; endian ports moved to endian.scm
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(define (tiff-prober argv-s)
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(let
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((help
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(lambda ()
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(cerr nl nl "print information about TIFF file(s)" nl)
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(cerr nl "Usage")
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(cerr nl " tiff-prober tiff-file1...")
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(cerr nl nl "Example:")
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(cerr nl " tiff-prober im1.tiff im2.tiff" nl nl)
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(exit)))
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)
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; (car argv-s) is program's name, as usual
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(if (or (null? argv-s) (null? (cdr argv-s)))
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(help)) ; at least one argument, besides argv[0], is expected
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(for-each
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(lambda (file-name)
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(cout nl nl "Analyzing TIFF file " file-name "..." nl)
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(let* ((eport (make-endian-port (open-input-file file-name) #t))
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(tiff-dict (read-tiff-file eport))
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(not-spec (lambda () "*NOT SPECIFIED*")))
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(print-tiff-directory tiff-dict (current-output-port))
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(cout nl "image width: "
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(tiff-directory-get tiff-dict 'TIFFTAG:IMAGEWIDTH not-spec))
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(cout nl "image height: "
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(tiff-directory-get tiff-dict 'TIFFTAG:IMAGELENGTH not-spec))
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(cout nl "image depth: "
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(tiff-directory-get tiff-dict 'TIFFTAG:BITSPERSAMPLE not-spec))
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(cout nl "document name: "
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(tiff-directory-get tiff-dict 'TIFFTAG:DOCUMENTNAME not-spec))
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(cout nl "image description: " nl " "
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(tiff-directory-get tiff-dict 'TIFFTAG:IMAGEDESCRIPTION not-spec))
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(cout nl "time stamp: "
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(tiff-directory-get tiff-dict 'TIFFTAG:DATETIME not-spec))
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(cout nl "compression: "
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(tiff-directory-get-as-symbol tiff-dict
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'TIFFTAG:COMPRESSION not-spec))
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(cout nl nl)))
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(cdr argv-s))) )
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