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(elisp)Postscript Images

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Postscript Images
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   To use Postscript for an image, specify image type `postscript'.
This works only if you have Ghostscript installed.  You must always use
these three properties:

`:pt-width WIDTH'
     The value, WIDTH, specifies the width of the image measured in
     points (1/72 inch).  WIDTH must be an integer.

`:pt-height HEIGHT'
     The value, HEIGHT, specifies the height of the image in points
     (1/72 inch).  HEIGHT must be an integer.

`:bounding-box BOX'
     The value, BOX, must be a list or vector of four integers, which
     specifying the bounding box of the Postscript image, analogous to
     the `BoundingBox' comment found in Postscript files.

          %%BoundingBox: 22 171 567 738

   Displaying Postscript images from Lisp data is not currently
implemented, but it may be implemented by the time you read this.  See
the `etc/NEWS' file to make sure.