Enhancement: add single option to disable watermarking

[callegar]

Enhancement: add single option to disable watermarking

[callegar]

Proposed patch

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{draftwatermark_jg}%
[2010/09/24 1.1 Put a gray textual watermark on document pages (SC,JG)]
%\ProvidesPackage{draftwatermark}%
% [2006/06/30 1.0 Put a gray textual watermark on document pages]
\RequirePackage{everypage} \RequirePackage{graphicx}
\RequirePackage{color}
\newif\if@sc@wm@first
@sc@wm@firstfalse
\DeclareOption{firstpage}{%
@sc@wm@firsttrue}
\newif\if@sc@wm@final
@sc@wm@finalfalse
\DeclareOption{final}{%
@sc@wm@finaltrue}
\ProcessOptions
\newlength\sc@wm@fontsize
%% defaults
\def\sc@wm@angle{45}
\def\sc@wm@lightness{0.8}
\def\sc@wm@scale{1}
\setlength\sc@wm@fontsize{5cm}
\def\sc@wm@text{DRAFT}
\newcommand\SetWatermarkAngle[1]{%
\def\sc@wm@angle{#1}}
\newcommand\SetWatermarkLightness[1]{%
\def\sc@wm@lightness{#1}}
\newcommand\SetWatermarkFontSize[1]{%
\setlength\sc@wm@fontsize{#1}}
\newcommand\SetWatermarkScale[1]{%
\def\sc@wm@scale{#1}}
\newcommand\SetWatermarkText[1]{%
\def\sc@wm@text{#1}}
\newcommand\sc@watermark{%
\setlength{@tempdimb}{.5\paperwidth}%
\setlength{@tempdimc}{-.5\paperheight}%
\put(\strip@pt@tempdimb,\strip@pt@tempdimc){%
\makebox(0,0){\rotatebox{\sc@wm@angle}{%
\scalebox{\sc@wm@scale}{%
\textcolor[gray]{\sc@wm@lightness}{
\fontsize{\sc@wm@fontsize}{1.2\sc@wm@fontsize}
\selectfont
\sc@wm@text}}}}}}
\newcommand\sc@wm@print[1]{%
\if@sc@wm@final
\relax
\else
\setbox@tempboxa\vbox to \z@{%
\vskip -1in \moveleft 1in \vbox{%
\hbox to \z@{%
#1\hss}}\vss}
\dp@tempboxa\z@
\box@tempboxa%
\fi}
\if@sc@wm@first
\AddThispageHook{\sc@wm@print{\sc@watermark}}
\else
\AddEverypageHook{\sc@wm@print{\sc@watermark}}
\fi
\endinput
%%
%% End of file `draftwatermark_jg.sty'.