graf2d/asimage/doc/index.md

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\defgroup asimage libAfterImage interface
\ingroup Graphics2D
\brief Classes interfacing to libAfterImage.

  - [libAfterImage Imaging Library.](http://www.afterstep.org/afterimage/index.php)
  - Several tutorials demonstrate how to use images in ROOT:
    - rose_image.C shows how to draw an image in a pad.
    - galaxy_image.C illustrates the TASImage class and an image editor.
    - img2pad.C shows how to insert images in a pad.
    - imgconv.C shows how to save an image in various formats: .png, .gif, .xpm and tiff.
    - pad2png.C create a canvas and save as png.