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Action:
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Writes a view to a file in Windows Enhanced Metafile format.
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Filename:
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gl/gl_scm/gl_scm.cxx
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Syntax:
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(gl:metafile [filename] [view] [emf-wmf=#t]
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[header=#f])
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Arg Types:
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filename
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string
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view
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view
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emf-wmf
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boolean
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header
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boolean
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Returns:
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view
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Description:
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When running on the Windows NT platform, this extension writes a view in Windows Enhanced Metafile format to a file or to the clipboard and returns the specified view to the output filename.
gl:metafile sends the image to the output file, while
render:metafile renders the image sent to the output file.
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The
emf-wmf
argument controls whether an old style metafile (wmf) is made or the new enhanced format (emf) is made. If an old style is specified (#t), the
header argument is used to add some extra header information that is required from some Windows programs such as Word. The metafile type defaults to #t which is an enhanced metafile. Header type defaults to #f which does not add the extra header.
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Limitations:
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Supported on NT platforms only.
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Example:
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; gl:metafile
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; Define a view
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(define view1 (view:gl))
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;; view1
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(define title1 (view:set-title "view1" view1))
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;; title1
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(define view2( view:gl))
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;; view2
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(define title2 (view:set-title "view2" view2))
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;; title2
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(define body1 (solid:subtract
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(solid:cylinder
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(position 0 0 -10) (position 0 0 10) 10)
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(solid:sphere (position 0 0 20) 20)
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(solid:cylinder
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(position 10 0 -10) (position 10 0 10) 5)
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(solid:cylinder
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(position -10 0 0) (position 10 0 0) 3)
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(solid:cylinder
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(position 0 -10 0) (position 0 10 0) 3)))
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;; body1
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; These are the metafile test cases.
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; The following generates an enhanced metafile
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(gl:metafile "c:/temp/gltest1.emf")
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;; #[view 184420622]
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; The following generates an enhanced metafile
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; for view2
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(gl:metafile "c:/temp/gltest2.emf" view2)
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;; #[view 117705038]
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; The following generates an enhanced metafile as
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; specified from emf-wmf
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(gl:metafile "c:/temp/gltest3.emf" #t)
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;; #[view 184420622]
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; The following generates an enhanced metafile
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; for view2 as specified by the header argument.
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(gl:metafile "c:/temp/gltest4.emf" view2 #t)
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;; #[view 117705038]
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; The following generates an old style metafile
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; format without the header information
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(gl:metafile "c:/temp/gltest5.wmf" #f)
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;; #[view 184420622]
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; The following generates an old style metafile
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; format for view2 without the header information
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; for view2
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(gl:metafile "c:/temp/gltest6.wmf" view2 #f)
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;; #[view 117705038]
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; The following generates an old style metafile
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; format for view2 with the extra header information
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(gl:metafile "c:/temp/gltest7.wmf" #f #t)
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;; #[view 184420622]
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; The following generates an old style metafile
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; format for view2 with the extra header information
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(gl:metafile "c:/temp/gltest8.wmf" view2 #f #t)
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;; #[view 117705038]
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; The following generates an enhanced metafile
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; that is sent to the clipboard (suggested format
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; for clipboard transfers)
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(gl:metafile)
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;; #[view 184420622]
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