diff options
Diffstat (limited to 'contrib/syslinux-4.02/man/ppmtolss16.1')
| -rw-r--r-- | contrib/syslinux-4.02/man/ppmtolss16.1 | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/man/ppmtolss16.1 b/contrib/syslinux-4.02/man/ppmtolss16.1 new file mode 100644 index 0000000..954e94b --- /dev/null +++ b/contrib/syslinux-4.02/man/ppmtolss16.1 @@ -0,0 +1,64 @@ +.TH "PPMTOLSS16" "1" +.SH "NAME" +ppmtolss16 \(em Convert a PPM to an LSS16 image +.SH "SYNOPSIS" +.PP +\fBppmtolss16\fR [ \fB \fI#rrggbb\fR=\fIi\fR \fP \&...] [< input.ppm] [> output.rle] +.SH "DESCRIPTION" +.PP +This manual page documents briefly the \fBppmtolss16\fR command. + +.PP +The \fBppmtolss16\fR program converts a "raw" PPM file with +max 16 colors to a simple RLE-based format: + +.PP +\fBsimple RLE-based format\fR +.TS +tab(); +l l. +unint32 0x1413f3dmagic (littleendian) +unint16 xsizelittleendian +unint15 ysizelittleendian +16 x unint8 r,g,bcolor map +.TE +.PP +Color map is in 6-bit format (each byte is 0..63) +.PP +Then, a sequence of nybbles: +.PP +N ... if N is != previous pixel, one pixel of color N, otherwise +run sequence follows ... + +.PP +M ... if M > 0 then run length is M+1, otherwise run sequence is +encoded in two nybbles, littleendian, +17 + +.PP +The nybble sequences are on a per-row basis, runs may not extend across +rows and odd-nybble rows are zero-padded. + +.PP +At the start of a row, the "previous pixel" is assumed to be zero. + +.SH "OPTIONS" +.PP +A summary of options is included below. +.IP "\fB\fI#rrggbb\fR=\fIi\fR\fP" 10 +Specify that the color #rrggbb (hex) should be assigned index +i (decimal). + +.SH "BUG" +.PP +This program cannot handle comments in the header, nor "plain" ppm +format. + +.SH "SEE ALSO" +.PP +\fBppmtolss16\fR(1) + +.SH "AUTHOR" +.PP +This manual page was compiled by dann frazier <dannf@debian.org> for +the \fBDebian GNU/Linux\fP system (but may be used by others). Most of the content +was written by H. Peter Anvin. |