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authorKarl Berry <karl@freefriends.org>2006-01-12 23:47:08 +0000
committerKarl Berry <karl@freefriends.org>2006-01-12 23:47:08 +0000
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+%% file: color.txs (TeXsis version 2.18)
+% @(#) $Revision: 1.4 $ + $Date: 1998/09/30 04:48:06 $ + $Author: myers $
+%======================================================================*
+% This file is a part of TeXsis, but it will also work with Plain TeX.
+%
+% This is color.txs, a collection of simple macros for changing the
+% colors of TeX output when it is directed to a PostScript output
+% device. They use \special commands to insert PostScript instructions
+% in the output to change the colors.
+%
+% These macros were designed specifically for Tomas Rokicki's dvips
+% program (version 5.478 or greater) with the color.pro header file,
+% but they should also work with any driver which understands the
+% appropriate keywords in the \special commands, such as TeXview on a
+% NeXT with a color monitor.
+%
+%-------------------------------
+% EXAMPLES of the syntax:
+%
+% \colorit{Red}{The text inside these brackets is colored Red}
+%
+% \SetColor{Green} % all text following is colored Green
+%
+% \background{Yellow} % makes the background color Yellow
+%
+% The basic colors are:
+%
+% Black White Gray
+% Red Green Blue
+% Cyan Magenta Yellow
+% Purple Orange Brown
+%
+% Note that color names all begin with an Initial Capital Letter.
+% Additional colors are available, or can be defined. See below.
+%
+% You can change the color temporarily by pushing and popping the
+% PostScript color stack, as in
+%
+% \PushColor{Purple} % text after this is now in Purple
+%
+% \PopColor % return to the previous color
+%
+% Note that color changes have nothing to do with TeX's grouping
+% mechanism {i.e. curly brackets}, but are based on the PostScript
+% color stack. {If you really want the color to change back at the
+% end of a group, see \aftergroup in the TeXbook.}
+%
+% For the basic colors above the following shortcuts are defined:
+%
+% \Red{This text is colored Red}
+%
+% \textGreen % all text following is colored Green.
+%
+% You can add similar shortcuts for colors other than those above
+% with \addColor, like so:
+%
+% \addColor{Salmon} % defines \Salmon and \textSalmon macros
+%
+% \Salmon{This text will be in Salmon}
+%
+% \textSalmon % changes the text color to Salmon
+%
+% The allowed names for colors are listed below. However, you don't
+% have to define the shortcuts to be able to use one of those colors.
+% You could say
+%
+% \colorit{BurntOrange}{Hook 'em Horns!}
+%
+% to color just that text in that color, or use \SetColor{Emerald},
+% or \PushColor{Cerulean} and \PopColor, even if you have never
+% used \addColor to define shortcuts for those colors.
+%
+% A TeXnical note: You may need to include a "\ " or "{}" after
+% \colorit or \Red, or leave a space *inside* the brackets, as in
+%
+% ``\colorit{Orange}{Julius, } \Red{Seize}\ her!'' he cried.
+%
+% or else there will not be a space after the colored word. It's the
+% same as saying \TeX\ to get the TeX logo with some space after it.
+% But of course sometimes you will want different colors to abut.
+%
+% You can define shortcuts for all of the colors in color.pro, most
+% of which are based mainly on the colors in a box of 64 Crayola
+% Crayons, by saying \Crayolas. See the end of this file for a
+% complete list of the colors. To print the available colors, in
+% their own colors, say \ListColors
+%
+% You can define your own colors by specifying the CMYK color as a
+% quadruple of intensity values between 0 and 1. (CMYK means Cyan,
+% Magenta, Yellow, and blacK.) For example:
+%
+% \SetCmykColor{.2 .3 .4 .1} will give you a nice tan, man.
+%
+% \PushCmykColor{.5 .5 .1 .2} Old Blue Eyes \PopColor
+%
+%-------------------------------
+% These macros are based on Jim Hafner's COLORDVI.TEX, revised by him
+% and Tomas Rokicki as of Aug. 1992. My thanks to him for blazing the
+% trail. I have added the explicit color push/pop macros, and what I
+% think is a better syntax, but these macros should also be mostly
+% backward compatible with the COLORDVI.TEX syntax.
+%
+% Eric Myers <myers@umich.edu> 16 May 1997
+% Department of Physics, University of Michigan, Ann Arbor, MI, USA
+%======================================================================*
+% Manipulate the color stack (and try to keep track of it):
+
+\newcount\colordepth \colordepth=0
+
+\def\PushColor#1{\special{color push #1}\global\advance\colordepth by 1}
+\def\PopColor{\special{color pop}\global\advance\colordepth by -1}
+
+% Set the colors:
+
+\def\colorit#1#2{\PushColor{#1}#2\PopColor}
+\def\background#1{\special{background #1}}
+\def\SetColor#1{\glbclr{#1}\special{color #1}}
+
+% \glbclr is used to remember the global color in use, by saving
+% it in the definition of \globalColor. Pushing and popping the
+% color stack is preferable, but this works too.
+
+\def\glbclr#1{\gdef\globalColor##1{\colorit{#1}{##1}}}
+
+% Define your own CMYK colors:
+
+\def\SetCmykColor#1{\glbclr{cmyk #1}\special{color cmyk #1}}
+\def\PushCmykColor#1{\special{color push cmyk #1}}
+
+% OLD CMYK color functions from colordvi.sty (the names are rather
+% unspecific as to their function, but this makes everything backwards
+% compatible).
+
+\def\textColor#1{\setCmykColor{#1}}
+\def\Color#1#2{\PushCmykColor{#1}#2\PopColor}
+
+
+% Make your own \Color and \textColor shortcuts with \addColor
+
+\def\addColor#1{%
+ \expandafter\gdef\csname #1\endcsname##1{\colorit{#1}{##1}}%
+ \expandafter\gdef\csname text#1\endcsname{\SetColor{#1}}%
+}
+
+\def\newColor #1 {\addColor{#1}} % more backward compatibility
+
+% The Basic colors:
+
+\addColor{Black} \addColor{White} \addColor{Gray}
+\addColor{Red} \addColor{Green} \addColor{Blue}
+\addColor{Cyan} \addColor{Magenta} \addColor{Yellow}
+\addColor{Orange} \addColor{Purple} \addColor{Brown}
+
+
+% Say \Crayolas to get shortcuts for all of the colors in color.pro
+% which are mostly based on the colors in a box of 64 Crayola Crayons.
+% (See colordvi.sty for *approximate* Pantone color matches.)
+
+\def\Crayolas{% Define all colors from Crayola Crayon box
+ \doColors{\addColor}}
+
+% Say \ListColors to list all the colors
+
+\def\ListColors{% List all the colors, by name
+ \def\ShowAcolor##1{\SetColor{##1}{##1}\ }%
+ \doColors{\ShowAcolor}
+}
+
+
+\def\doColors#1{% apply a macro to all the colors
+ #1{Black} #1{White} #1{Gray}
+ #1{Red} #1{Green} #1{Blue}
+ #1{Yellow} #1{Cyan} #1{Magenta}
+ #1{GreenYellow} #1{RoyalPurple} #1{RedViolet}
+ #1{BlueViolet} #1{Fuchsia} #1{Orange}
+ #1{Goldenrod} #1{Periwinkle} #1{Lavender}
+ #1{Dandelion} #1{CadetBlue} #1{Thistle}
+ #1{Apricot} #1{CornflowerBlue} #1{Orchid}
+ #1{Peach} #1{MidnightBlue} #1{DarkOrchid}
+ #1{Melon} #1{NavyBlue} #1{Purple}
+ #1{YellowOrange} #1{RoyalBlue} #1{Plum}
+ #1{BurntOrange} #1{Cerulean} #1{SpringGreen}
+ #1{Bittersweet} #1{OliveGreen} #1{Violet}
+ #1{RedOrange} #1{ProcessBlue} #1{RawSienna}
+ #1{Mahogany} #1{SkyBlue} #1{Sepia}
+ #1{Maroon} #1{Turquoise} #1{CarnationPink}
+ #1{BrickRed} #1{TealBlue} #1{Tan}
+ #1{OrangeRed} #1{BlueGreen} #1{Aquamarine}
+ #1{RubineRed} #1{Emerald} #1{Mulberry}
+ #1{WildStrawberry} #1{JungleGreen} #1{Rhodamine}
+ #1{Salmon} #1{SeaGreen} #1{LimeGreen}
+ #1{ForestGreen} #1{YellowGreen} #1{Brown}
+ #1{VioletRed} #1{PineGreen}
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+%>>> EOF color.txs <<< \ No newline at end of file