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% gradient background
%% File: gradback.sty Copyright (C) 2002 Bjoern Pedersen
%%
%% This file may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.2
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.2 or later is part of all distributions of LaTeX
%% version 1999/12/01 or later.
%% \CharacterTable
%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%% Digits \0\1\2\3\4\5\6\7\8\9
%% Exclamation \! Double quote \" Hash (number) \#
%% Dollar \$ Percent \% Ampersand \&
%% Acute accent \' Left paren \( Right paren \)
%% Asterisk \* Plus \+ Comma \,
%% Minus \- Point \. Solidus \/
%% Colon \: Semicolon \; Less than \<
%% Equals \= Greater than \> Question mark \?
%% Commercial at \@ Left bracket \[ Backslash \\
%% Right bracket \] Circumflex \^ Underscore \_
%% Grave accent \` Left brace \{ Vertical bar \|
%% Right brace \} Tilde \~}
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{gradback}[2002/05/08 gradient background]
\RequirePackage{pst-grad}
\def\gr@dBOPhook{/bop-hook}
\def\gr@dUserDictCmd{! userdict }
%%\gr@dientbackground{firstcolor}{lastcolor}{lines}{midpoint}{angle}
\DeclareRobustCommand{\gr@dientbackground}[5]{%
\AtBeginDvi{\special{
\gr@dUserDictCmd begin
/gr@d-old-BOPhook { } def
userdict \gr@dBOPhook\ known{
/gr@d-old-BOPhook \gr@dBOPhook load def
} if
\gr@dBOPhook { gr@d-old-BOPhook
gsave clippath tx@Dict begin
gsave #1 grestore
gsave #2 grestore
#3 #4 #5 tx@GradientDict begin GradientFill end end grestore }
def end
}}%
}%end newcommand
%%\rgbgradientbackground{r g b}{r g b}{lines}{midpoint}{angle}
\DeclareRobustCommand{\rgbgradientbackground}[5]{\gr@dientbackground{#1
setrgbcolor}{#2 setrgbcolor}{#3}{#4}{#5}}
%%\hsbgradientbackground{h s b}{h s b}{lines}{midpoint}{angle}
\DeclareRobustCommand{\hsbgradientbackground}[5]{\gr@dientbackground{#1
sethsbcolor currentrgbcolor }{#2 sethsbcolor currentrgbcolor}{#3}{#4}{#5}}
%%\cymkgradientbackground{c y m k}{c y m k}{lines}{midpoint}{angle}
\DeclareRobustCommand{\cymkgradientbackground}[5]{\gr@dientbackground{#1
setcymkcolor currentrgbcolor }{#2 setcymkcolor currentrgbcolor}{#3}{#4}{#5}}
%% end gradient background
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