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+\
+.\" This man page was generated by the Netpbm tool 'makeman' from HTML source.
+.\" Do not hand-hack it!  If you have bug fixes or improvements, please find
+.\" the corresponding HTML page on the Netpbm website, generate a patch
+.\" against that, and send it to the Netpbm maintainer.
+.TH "Ppmflash User Manual" 0 "26 January 2003" "netpbm documentation"
+
+.SH NAME
+ppmflash - brighten a picture to approach white
+
+.UN synopsis
+.SH SYNOPSIS
+
+ppmflash 
+\fIflashfactor\fP
+[\fIppmfile\fP]
+
+.UN description
+.SH DESCRIPTION
+.PP
+This program is part of
+.BR "Netpbm" (1)\c
+\&.
+.PP
+\fBppmflash\fP reads a PPM image as input.  It changes the color of
+each pixel to bring it a specified amount closer to white.  It
+generates a PPM image of the result.
+.PP
+\fIflashfactor\fP is a real number between 0 and 1, inclusive.
+\fBppmflash\fP increases the intensity of each RGB component by the
+fraction \fIflashfactor\fP of the difference between the current
+value and full intensity.  So if a pixel contains 60% full red, 10%
+full green, and no blue and you specify 0.5 (half), \fBppmflash\fP
+increases the red to 80% (because it was 40% from full intensity, so
+it adds half of 40% to the original 60%), the green to 55%, and the
+blue to 50%.
+.PP
+If \fIflashfactor\fP is zero, the output is identical to the input.
+If \fIflashfactor\fP is one, the output is all white.
+.PP
+\fBpambrighten\fP does a more normal kind of brightening.
+\fBpamfunc\fP does a very simple brightening.  Both
+\fBpambrighten\fP and \fBpamfunc\fP can reduce brightness as well.
+.PP
+\fBpnmgamma\fP is another way people do a similar brightening, though
+it isn't really intended for that.
+
+.UN options
+.SH OPTIONS
+.PP
+There are no command line options defined specifically
+for \fBppmflash\fP, but it recognizes the options common to all
+programs based on libnetpbm (See 
+.UR index.html#commonoptions
+ Common Options
+.UE
+\&.)
+
+.UN seealso
+.SH SEE ALSO
+.BR "pambrighten" (1)\c
+\&
+.BR "pamfunc" (1)\c
+\&,
+.BR "pnmgamma" (1)\c
+\&,
+.BR "ppm" (1)\c
+\&,
+
+.UN author
+.SH AUTHOR
+
+Copyright (C) 1993 by Frank Neumann
+.SH DOCUMENT SOURCE
+This manual page was generated by the Netpbm tool 'makeman' from HTML
+source.  The master documentation is at
+.IP
+.B http://netpbm.sourceforge.net/doc/ppmflash.html
+.PP
+\ No newline at end of file