Pixel channel operators

Development GraphicsMagick 1.1 now supports simple arithmetic and
bitwise operators, which may be applied to a specified image channel,
or all channels.  There are available via the QuantumOperatorImage()
and QuantumOperatorRegionImage() functions.  These functions already
accessible via Magick++.

The operation is quite simple in that it is just a way of
accessing C operators, with bounds-checking.

In C an operation might look like

  lvalue += rvalue;

For these operations, the existing pixel quantum is the lvalue, and
the operator and rvalue are user supplied.

I am trying to determine the ideal command line syntax so that convert
and mogrify can provide access.

The syntax will look something like

 -command channel operator rvalue

where "-command" represents a command name which has not been decided
yet.  I need your recommendation as to the best command name to use
for this functionality.

Help!

Bob
======================================
Bob Friesenhahn
[email protected]
http://www.simplesystems.org/users/bfriesen



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