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- ppmchange(1) AMIGA (3 December 1993) ppmchange(1)
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- NAME
- ppmchange - change all pixels of one color to another in a
- portable pixmap
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- SYNOPSIS
- ppmchange oldcolor newcolor [...] [ppmfile]
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- DESCRIPTION
- Reads a portable pixmap as input. Changes all pixels of
- oldcolor to newcolor, leaving all others unchanged. Up to
- 256 colors may be replaced by specifying couples of colors
- on the command line.
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- The colors can be specified in five ways:
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- o A name, assuming that a pointer to an X11-style color
- names file was compiled in.
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- o An X11-style hexadecimal specifier: rgb:r/g/b, where r
- g and b are each 1- to 4-digit hexadecimal numbers.
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- o An X11-style decimal specifier: rgbi:r/g/b, where r g
- and b are floating point numbers between 0 and 1.
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- o For backwards compatibility, an old-X11-style
- hexadecimal number: #rgb, #rrggbb, #rrrgggbbb, or
- #rrrrggggbbbb.
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- o For backwards compatibility, a triplet of numbers
- separated by commas: r,g,b, where r g and b are
- floating point numbers between 0 and 1. (This style
- was added before MIT came up with the similar rgbi
- style.)
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- SEE ALSO
- pgmtoppm(1), ppm(5)
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- AUTHOR
- Wilson H. Bent. Jr. (whb@usc.edu) with modifications by
- Alberto Accomazzi (alberto@cfa.harvard.edu)
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- Page 1 (printed 3/1/94)
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