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.ig
rainbow.roff
This file is part of groff, the GNU roff type-setting system.
Copyright (C) 2005-2020 Free Software Foundation, Inc.
written by Joachim Walsdorff <Joachim.Walsdorff@urz.uni-heidelberg.de>.
groff is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or
(at your option) any later version.
groff is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
..
.
.if !d sopath \
. ds sopath
.
.so \*[sopath]examples/common.roff
.
.nr *n 25
.nr *# 0 1
.
.de ctab
. nr #cc 0
. PN \\$1 \
".nr #cc +(1f / \\$1)" \
".defcolor \En[t*#] rgb \\$2 \\$3 \\$4" \
".TBL csp=\n[t*l]/(12*\\$1+2) border= cpd=0 bgc=\\\\n[t*#] bc=" \
".if (\\\\n+[*#] == 1) \
.CPTN Rainbow Colors \[em] Nested Tables with Colored Backgrounds \
val=b" \
.TR \
.TD
..
.
.ctab \n[*n] 1 0 \En[#cc]u \" rot -> magenta
.ctab \n[*n] 1-\En[#cc]u 0 1 \" magenta -> blue
.ctab \n[*n] 0 \En[#cc]u 1 \" blue -> cyan
.ctab \n[*n] 0 1 1-\En[#cc]u \" cyan -> green
.ctab \n[*n] \En[#cc]u 1 0 \" green -> yellow
.ctab \n[*n] 1 1-\En[#cc]u 0 \" yellow -> red
.
.PN 6*\n[*n] .ETB
.
.bp
.
.nr *n 25
.nr *# 0 1
.
.de ctab
. nr #cc 0
. PN \\$1 \
".nr #cc +(1f / \\$1)" \
".defcolor \En[t*#] rgb \\$2 \\$3 \\$4" \
".TBL border=\n[t*l]/(12*\\$1+2) csp=0 cpd=0 bc=\\\\n[t*#] bgc=" \
".if (\\\\n+[*#] == 1) \
.CPTN Rainbow Colors \[em] Nested Tables with Colored Borders \
val=b" \
.TR \
.TD
..
.
.ctab \n[*n] 1 \En[#cc]u 0 \" red -> yellow
.ctab \n[*n] 1-\En[#cc]u 1 0 \" yellow -> green
.ctab \n[*n] 0 1 \En[#cc]u \" green -> cyan
.ctab \n[*n] 0 1-\En[#cc]u 1 \" cyan -> blue
.ctab \n[*n] \En[#cc]u 0 1 \" blue -> magenta
.ctab \n[*n] 1 0 1-\En[#cc]u \" magenta -> red
.
.PN 6*\n[*n] .ETB
.
.\" Local Variables:
.\" mode: nroff
.\" fill-column: 72
.\" End:
.\" vim: set filetype=groff textwidth=72:
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