pnmpaste


SYNOPSIS
       pnmpaste [-replace|-or|-and |-xor] frompnmfile x y [intopnmfile]

DESCRIPTION
       Reads two portable anymaps as input.  Inserts the first anymap into the
       second at the specified location, and produces a  portable  anymap  the
       same  size as the second as output.  If the second anymap is not speci-
       fied, it is read from stdin.  The x and y can  be  negative,  in  which
       case  they  are  interpreted  relative  to  the right and bottom of the
       anymap, respectively.

       This tool is most useful in combination with pnmcut.  For instance,  if
       you  want to edit a small segment of a large image, and your image edi-
       tor cannot edit the large image, you can cut out the  segment  you  are
       interested in, edit it, and then paste it back in.

       Another useful companion tool is pbmmask.

       pnmcomp  is, a more general tool, except that it lacks the "or," "and,"
       and "xor" functions.  pnmcomp allows you to specify an  alpha  mask  in
       order  to  have  only  part of the inserted image get inserted.  So the
       inserted pixels need not  be  a  rectangle.   You  can  also  have  the
       inserted  image  be translucent, so the resulting image is a mixture of
       the inserted image and the base image.


       The optional flag specifies the operation to use when doing the  paste.
       The  default  is  -replace.   The  other,  logical  operations are only
       allowed if both input images are bitmaps.  These operations act  as  if
       white is TRUE and black is FALSE.

       All flags can be abbreviated to their shortest unique prefix.


SEE ALSO
       pnmcomp(1), pnmcut(1), pnminvert(1), pnmarith(1), pbmmask(1), pnm(5)


AUTHOR
       Copyright (C) 1989, 1991 by Jef Poskanzer.



                               21 February 1991                    pnmpaste(1)
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