%D \module
%D   [       file=math-mps-imp-demo,
%D        version=2024.06.02,
%D          title=\CONTEXT\ Math Macros,
%D       subtitle=MathFun Demo,
%D         author={Hans Hagen & Mikael Sundqvist},
%D           date=\currentdate,
%D      copyright={PRAGMA ADE & \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

\writestatus{loading}{ConTeXt Math Macros / MathFun Demo}

\unprotect

\setupmathfraction[\s!vfrac]               [\c!mp=simplefun::math:default:00027]
\setupmathradical [root]                   [\c!mp=simplefun::math:default:0221A]
\setupmathaccent  [wideoverleftarrow]      [\c!mp=simplefun::math:default:020D6]
\setupmathaccent  [wideoverrightarrow]     [\c!mp=simplefun::math:default:020D7]
\setupmathaccent  [wideoverleftrightarrow] [\c!mp=simplefun::math:default:020E1]
\setupmathaccent  [wideunderleftarrow]     [\c!mp=simplefun::math:default:020EE]
\setupmathaccent  [wideunderrightarrow]    [\c!mp=simplefun::math:default:020EF]
\setupmathaccent  [wideunderleftrightarrow][\c!mp=simplefun::math:default:0034D]

\registermpextensible "00027 % division slash
\registermpextensible "0221A % radical
\registermpextensible "020D6 % over  left        arrow
\registermpextensible "020D7 % over  right       arrow
\registermpextensible "020E1 % over  left  right arrow
\registermpextensible "020EE % under left        arrow
\registermpextensible "020EF % under right       arrow
\registermpextensible "0034D % under left  right arrow

\setupmathfence   [bracket]                [\c!mp=simplefun::math:default]

\registermpextensible "0005B % left  bracket
\registermpextensible "0005D % right bracket
\registermpextensible "0007C % bar
\registermpextensible "023B4 % overbracket

\startuseMPgraphic{simplefun::math:default:00027}
    setbackendoption "noplugins" ;
    picture p ; p := image (
        draw (
            (-4OverlayLineWidth,-OverlayDepth +OverlayMathAxis/2-OverlayLineWidth) --
            ( 4OverlayLineWidth, OverlayHeight+OverlayMathAxis/2-OverlayLineWidth)
        )
            withpen pencircle scaled OverlayLineWidth
        ;
    ) ;
    setbounds p to boundingbox p
        leftenlarged  2OverlayLineWidth
        rightenlarged 2OverlayLineWidth ;
    draw p ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:0221A}
    setbackendoption "noplugins" ;
    draw (
        (-OverlayHeight/2,OverlayHeight/2) --
        (-OverlayHeight/4,-OverlayDepth) --
        (0,OverlayHeight) --
        (OverlayWidth,OverlayHeight) --
        (OverlayWidth,OverlayHeight-OverlayHeight/10)
    )
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:020D6}
    setbackendoption "noplugins" ;
    drawarrow (OverlayWidth,OverlayHeight) -- (0,OverlayHeight)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:020D7}
    setbackendoption "noplugins" ;
    drawarrow (0,OverlayHeight) -- (OverlayWidth,OverlayHeight)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:020E1}
    setbackendoption "noplugins" ;
    drawdblarrow (0,OverlayHeight) -- (OverlayWidth,OverlayHeight)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:020EE}
    setbackendoption "noplugins" ;
    drawarrow (OverlayWidth,OverlayHeight) -- (0,OverlayHeight)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:020EF}
    setbackendoption "noplugins" ;
    drawarrow (0,OverlayHeight) -- (OverlayWidth,OverlayHeight)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:0034D}
    setbackendoption "noplugins" ;
    drawdblarrow (0,OverlayHeight) -- (OverlayWidth,OverlayHeight)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:0005B}
    setbackendoption "noplugins" ;
    picture p ; p := image (
        draw (2OverlayLineWidth,-OverlayDepth) -- (0,-OverlayDepth) -- (0,OverlayHeight) -- (2OverlayLineWidth,OverlayHeight)
            withpen pencircle scaled OverlayLineWidth
        ;
    ) ;
    setbounds p to boundingbox p
        leftenlarged  2OverlayLineWidth
        rightenlarged 2OverlayLineWidth ;
    draw p ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:0005D}
    setbackendoption "noplugins" ;
    picture p ; p := image (
        draw (0,-OverlayDepth) -- (2OverlayLineWidth,-OverlayDepth) -- (2OverlayLineWidth,OverlayHeight) -- (0,OverlayHeight)
            withpen pencircle scaled OverlayLineWidth
        ;
    ) ;
    setbounds p to boundingbox p
        leftenlarged  2OverlayLineWidth
        rightenlarged 2OverlayLineWidth ;
    draw p ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:0007C}
    setbackendoption "noplugins" ;
    picture p ; p := image (
        draw (0,-OverlayDepth) -- (0,OverlayHeight)
            withpen pencircle scaled OverlayLineWidth
        ;
    ) ;
    setbounds p to boundingbox p
        leftenlarged  2OverlayLineWidth
        rightenlarged 2OverlayLineWidth ;
    draw p ;
\stopuseMPgraphic

\startuseMPgraphic{simplefun::math:default:023B4}
    setbackendoption "noplugins" ;
    draw ((0,0) -- (0,4OverlayLineWidth) -- (OverlayWidth,4OverlayLineWidth) -- (OverlayWidth,0))
        shifted (0,2OverlayLineWidth)
        withpen pencircle scaled OverlayLineWidth
    ;
\stopuseMPgraphic

\protect

\continueifinputfile{math-mps-imp-demo.mkxl}

\starttext

% \usemathpluginlibrary[demo]

% \starttyping
% radical     : color [ symbolcolor | textcolor | numbercolor ]
% fraction    : color [ symbolcolor | textcolor | [ topcolor | bottomcolor ]
% accent      : color [ symbolcolor | textcolor ]
% fence       : color [ symbolcolor | [leftcolor | rightcolor | middlecolor ] textcolor ]
% operator    : color [ symbolcolor | textcolor | numbercolor [topcolor | bottomcolor ] ]
% stacker     : color [ symbolcolor ]
% \stoptyping

\startTEXpage[offset=1TS]

\im {
    {      \vfrac[color=cyan]                 {1}{2}} +
    {      \vfrac[symbolcolor=red,color=cyan] {1}{2}} +
    {\blue \vfrac[symbolcolor=red]            {1}{2}} +
    {\blue \vfrac[]                           {1}{2}} =
    {      \vfrac[plugin=mp,symbolcolor=red]  {1}{2}} +
    {\blue \vfrac[plugin=mp,symbolcolor=red]  {1}{2}} +
    {\blue \vfrac[plugin=mp]                  {1}{2}}
}

\im {
    {      \frac[color=cyan]                 {1}{2}} +
    {      \frac[symbolcolor=red,color=cyan] {1}{2}} +
    {\blue \frac[symbolcolor=red]            {1}{2}} +
    {\blue \frac[]                           {1}{2}} =
    {      \frac[plugin=mp,symbolcolor=red]  {1}{2}} +
    {\blue \frac[plugin=mp,symbolcolor=red]  {1}{2}} +
    {\blue \frac[plugin=mp]                  {1}{2}}
}

\im {
    {      \sqrt[symbolcolor=red,color=cyan]        {x}}+
    {\blue \sqrt[symbolcolor=red]                   {x}} +
    {\blue \sqrt[]                                  {x}} =
    {      \sqrt[plugin=mp,symbolcolor=red,color=cyan]{x}} +
    {\blue \sqrt[plugin=mp,symbolcolor=red]           {x}} +
    {\blue \sqrt[plugin=mp]                           {x}}
}

\im {
    \widetilde[symbolcolor=blue,textcolor=green]{x+1} +
    \widetilde[symbolcolor=blue,color=red]{x+1} +
    \widetilde[color=cyan]{x+1}
}

\setupmathfence[bracket][symbolcolor=cyan,plugin=mp]

\im {
    \fenced[bracket]{x+1 \fence = 1} +
    \fenced[bracket][symbolcolor=blue,color=red,middle=|]{x+1 \fence = 1} +
    \fenced[bracket][symbolcolor=blue,color=red,middle=|,middlecolor=green]{x+1 \fence = 1} =
    \fenced[bracket][plugin=mp,symbolcolor=blue,color=red,middle=|,middlecolor=green]{x+1 \fence = 1}
}

\im {
    \integral[color=green,topcolor=blue,top=3,bottom=2]{x} +
    \integral[symbolcolor=red,numbercolor=cyan,textcolor=green,bottom=\pi,top=\gamma]{x}
}

\im {
    \wideoverleftarrow      [color=red]                  {x+1} +
    \wideoverrightarrow     [plugin=mp,symbolcolor=red]  {x+1} +
    \wideoverleftarrow      [plugin=mp,symbolcolor=blue] {x+1} +
    \wideoverleftrightarrow [plugin=mp,color=red]        {x+1} =
    \wideunderleftarrow     [color=red]                  {x+1} +
    \wideunderleftarrow     [plugin=mp,symbolcolor=red]  {x+1} +
    \wideunderleftarrow     [plugin=mp,symbolcolor=blue] {x+1} +
    \wideunderleftrightarrow[plugin=mp,color=red]        {x+1}
}

\im {
    \implies {x+1} +
    \overbracket[symbolcolor=blue] {x+1} +
    \overbracket[plugin=mp,mp=simplefun::math:default:023B4,symbolcolor=red] {x+1} +
    \overbracket[plugin=mp,symbolcolor=red] {x+1}
}

% $x + \tupanddownarrows[color=red,leftcolor=green,rightcolor=blue]{left}{right} + x$

\stopTEXpage

\stoptext