- Move packages to subfolder.

- Add Prime Controls graphics to this repo.
- Expand readme.

packages/Layout.sty

@@ -0,0 +1,92 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{PrimeTeX/packages/Layout}[2025-07-09]
+
+% Suppress warning about \showhyphens being changed.
+\let\CheckCommand\providecommand
+
+\RequirePackage{microtype}
+
+% Page Layout
+\RequirePackage[
+	letterpaper,
+	twoside,
+	nohead,
+	width	= 342pt,
+	height	= 576pt,
+	inner	= 108pt,
+	top 	= 108pt,
+	marginparwidth	= 126pt,
+	marginparsep	= 12pt,
+	footskip		= 36pt,
+]{geometry}
+
+\RequirePackage{calc}
+\RequirePackage[strict]{changepage}
+
+\newlength{\contentwidth}
+\setlength{\contentwidth}{\textwidth + \marginparsep + \marginparwidth}
+
+% Header & Footer Options
+\pagestyle{plain}
+
+% Paragraph formatting.
+\setlength{\parindent}{0pt}
+\setlength{\parskip}{2ex plus 0.5ex minus 0.5ex}
+
+% Float Page Configuration
+\renewcommand{\topfraction}{0.9}	% max fraction of floats at top
+\renewcommand{\bottomfraction}{0.8}	% max fraction of floats at bottom
+%   Parameters for TEXT pages (not float pages):
+\setcounter{topnumber}{2}
+\setcounter{bottomnumber}{2}
+\setcounter{totalnumber}{4}     % 2 may work better
+\setcounter{dbltopnumber}{2}    % for 2-column pages
+\renewcommand{\dbltopfraction}{0.9}	% fit big float above 2-col. text
+\renewcommand{\textfraction}{0.07}	% allow minimal text w. figs
+%   Parameters for FLOAT pages (not text pages):
+\renewcommand{\floatpagefraction}{0.7}	% require fuller float pages
+% N.B.: floatpagefraction MUST be less than topfraction !!
+\renewcommand{\dblfloatpagefraction}{0.7}	% require fuller float pages
+
+% Line-breaking zero-width space
+\newcommand{\zws}{\hspace{0pt}}
+% Line-breaking dot
+\newcommand{\bdot}{.\hspace{0pt}}
+
+\newlength{\bigfloatoffset}
+\setlength{\bigfloatoffset}{0.25in}
+
+% Maximum width adjustment to fit 2 16x9 screensots on one page.
+\newlength{\bigfloatoverhang}
+\setlength{\bigfloatoverhang}{0.81in}
+
+\newcommand{\bigfloat}[4][\bigfloatoverhang]{%
+	\begin{#2}[#3]%
+		\begin{adjustwidth*}{-#1+\bigfloatoffset}{-#1-\bigfloatoffset}%
+			\begin{minipage}{#1 * 2 + \textwidth}%
+				#4%
+			\end{minipage}%
+		\end{adjustwidth*}%
+	\end{#2}%
+}
+
+\newlength{\boxoutpadding}
+\setlength{\boxoutpadding}{0.5em}
+
+\newcommand{\boxout}[4][\bigfloatoverhang]{%
+	\bigfloat[#1]{figure}{#2}{%
+		\fcolorbox{PrimeBlue}{PrimePaleBlue}{%
+			\begin{minipage}{\boxoutpadding*-2 + \textwidth}%
+				\vspace{\boxoutpadding}%
+				{\centering%
+					\begin{minipage}{\boxoutpadding*-2 + \textwidth}%
+						\setlength{\parskip}{\medskipamount}%
+						{\centering\slab{\strong{#3}}\par}%
+						\small{}#4%
+					\end{minipage}
+				\par}%
+				\vspace{\boxoutpadding}%
+			\end{minipage}%
+		}%
+	}%
+}