% Rebuild from the repository root (TeX Live and Poppler required):
% TEXINPUTS=./sty//: latexmk -pdf -outdir=build/readme docs/images/readme-gallery.tex
% pdftoppm -r 160 -png build/readme/readme-gallery.pdf build/readme/gallery
% Pages 1--4 correspond to readme-graphics, readme-reports,
% readme-distributions and readme-palettes.png in this directory.
\documentclass[border=5mm,multi=minipage]{standalone}
\usepackage[T1]{fontenc}
\usepackage{lmodern}
\usepackage{gradbars}
\usegradbarslibrary{distribution,legend,reports}
\newcommand{\gallerytitle}[2]{%
  {\LARGE\bfseries\color{gradbarsInk}#1}\par\smallskip
  {\small\color{black!65}#2}\par\bigskip}
\gradbarssetup{max=100,width=66mm,height=3ex,precision=0}
\begin{document}
\begin{minipage}{166mm}
\sffamily\centering
\gallerytitle{Small graphics, real numbers}{Inline graphics for ordinary tables and text}
\renewcommand{\arraystretch}{1.8}
\begin{tabular}{@{}ll@{}}
\toprule
Graphic & Example \\\midrule
Gradient bar & \gradbar{76}\\
Signed bar & \gradbar[min=-50,max=100]{-28}\\
Target and interval & \gradbar[band={55,80},target=85]{72}\\
Layered comparison & \gradcompare{58}{82}\\
Dumbbell comparison & \graddumbbell[track color=black!35,stem width=.9pt]{48}{79}\\
Floating range & \gradrange[range point=62]{35}{84}\\
Stacked composition & \gradstack[height=3ex,palette=categorical]{32,24,18}\\
Trend / line & \gradspark[height=7mm,spark range=fixed]{25,40,35,58,72,88}\\
Trend / bars & \gradspark[height=7mm,spark range=fixed,spark type=bar]{25,40,35,58,72,88}\\
\bottomrule
\end{tabular}
\end{minipage}

\begin{minipage}{166mm}
\sffamily\centering
\gallerytitle{Tables that carry the comparison}{Shared scales, explicit directions and domain presets}
\begin{gradtable}[align=c,header align=c,style=metrics,width=\linewidth,
  column sep=5pt,row stretch=1.6]
\gradcolumn{name}{Model}
\gradmetriccolumn{accuracy}{Accuracy}
\gradmetriccolumn[options={style=report-metric,better=lower,unit={ ms},precision=1}]{latency}{Latency}
\gradcolumn[type=spark,options={spark range=fixed,min=0,max=100,height=7mm}]{trend}{Training trend}
\gradrow{Baseline,72.4,35,{30,42,48,60,68,72}}
\gradrow{Model A,85.6,28,{38,52,65,72,80,86}}
\gradrow{Proposed,93.8,19,{45,62,74,86,91,94}}
\end{gradtable}
\par\bigskip
\begin{tabular}{@{}c@{\hspace{8mm}}c@{}}
\textbf{Correlation matrix} & \textbf{Ablation: shared range 60--100}\\[4pt]
\begin{minipage}{64mm}\centering
\begin{gradtable}[align=c,header align=c,style=correlation,width=\linewidth,row stretch=1.6]
\gradcolumn{name}{Variable}
\gradcorrelationcolumn{a}{A}
\gradcorrelationcolumn{b}{B}
\gradcorrelationcolumn{c}{C}
\gradrow{A,1,.72,-.38}
\gradrow{B,.72,1,-.61}
\gradrow{C,-.38,-.61,1}
\end{gradtable}
\end{minipage} &
\begin{minipage}{90mm}\centering
\begin{gradtable}[align=c,header align=c,style=ablation,width=\linewidth,row stretch=1.6]
\gradcolumn{name}{Variant}
\gradablationcolumn[scale=fixed,options={style=report-ablation,
  min=60,max=100,track color=black!35,stem width=.9pt}]{score}{Score change}
\gradrow{Without augmentation,80/76}
\gradrow{Extra data,80/87}
\gradrow{Full model,80/94}
\end{gradtable}
\end{minipage}
\end{tabular}
\end{minipage}

\begin{minipage}{166mm}
\sffamily\centering
\gallerytitle{Distributions inside a table}{Quartiles, median, observed whiskers and explicit outliers}
\begin{gradtable}[align=c,header align=c,style=distribution,width=\linewidth,
  scale=column,column sep=6pt,row stretch=2]
\gradcolumn{name}{Method}
\gradcolumn[type=boxplot,options={height=5ex,palette=accessible}]{samples}{Distribution / shared scale}
\gradrow{Alpha,{0,2,3,4,5,6,7,8,16}}
\gradrow{Beta,{-3,0,2,5,9,12,14}}
\gradrow{Gamma,{2,3,4,5,5,6,7,8,9}}
\gradrow{Missing,NA}
\end{gradtable}
\par\bigskip
\gradcomputesummary{0,2,3,4,5,6,7,8,16}{%
  \textbf{Alpha:} n=\gradstat{n}\quad
  Q1=\gradstat{q1}\quad median=\gradstat{median}\quad
  Q3=\gradstat{q3}\quad outliers=\gradstat{outlier count}}
\par\medskip
{\small\color{black!65}Type-7 quartiles; whiskers use observed values within 1.5 IQR fences.}
\end{minipage}

\begin{minipage}{166mm}
\sffamily\centering
\gallerytitle{One key, a complete color scale}{Eight built-in Heat palettes with matching continuous legends}
\begin{tabular}{@{}c@{\hspace{12mm}}c@{}}
\gradheatlegend[width=61mm,height=3mm,min=0,max=100,heat palette=blue,legend title={blue},legend missing=false]&
\gradheatlegend[width=61mm,height=3mm,min=0,max=100,heat palette=teal,legend title={teal},legend missing=false]\\[8mm]
\gradheatlegend[width=61mm,height=3mm,min=0,max=100,heat palette=purple,legend title={purple},legend missing=false]&
\gradheatlegend[width=61mm,height=3mm,min=0,max=100,heat palette=orange,legend title={orange},legend missing=false]\\[8mm]
\gradheatlegend[width=61mm,height=3mm,min=-1,max=1,precision=0,heat center=0,heat palette=purple-teal,legend title={purple-teal},legend missing=false]&
\gradheatlegend[width=61mm,height=3mm,min=-1,max=1,precision=0,heat center=0,heat palette=blue-red,legend title={blue-red},legend missing=false]\\[8mm]
\gradheatlegend[width=61mm,height=3mm,min=-1,max=1,precision=0,heat center=0,heat palette=orange-blue,legend title={orange-blue},legend missing=false]&
\gradheatlegend[width=61mm,height=3mm,min=-1,max=1,precision=0,heat center=0,heat palette=brown-teal,legend title={brown-teal},legend missing=false]
\end{tabular}
\par\bigskip
\gradheat[min=-1,max=1,heat palette=purple-teal,width=23mm,precision=1]{-.8}\quad
\gradheat[min=-1,max=1,heat palette=purple-teal,width=23mm,precision=1]{0}\quad
\gradheat[min=-1,max=1,heat palette=purple-teal,width=23mm,precision=1]{.8}\quad
\gradheat[min=-1,max=1,heat palette=purple-teal,width=23mm,precision=1]{NA}
\end{minipage}
\end{document}