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Diffstat (limited to 'doc/context/sources/general/manuals/metafun/metafun-environment.tex')
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diff --git a/doc/context/sources/general/manuals/metafun/metafun-environment.tex b/doc/context/sources/general/manuals/metafun/metafun-environment.tex new file mode 100644 index 000000000..ca9fc24b3 --- /dev/null +++ b/doc/context/sources/general/manuals/metafun/metafun-environment.tex @@ -0,0 +1,595 @@ +% language=uk +% +% copyright=pragma-ade readme=readme.pdf licence=cc-by-nc-sa + +\startenvironment metafun-environment + +\environment metafun-environment-layout + +\usemodule[abr-01,syntax] + +\startuseMPgraphic{cover page} + + numeric w ; w := PaperWidth -eps ; % or clip + numeric h ; h := PaperHeight-eps ; % or clip + + for i=0cm step 1cm until w : + for j=0cm step 1cm until h : + fill unitsquare scaled 1cm shifted (i,j) withcolor (.6+uniformdeviate.35)*white ; + endfor ; + endfor ; + + % clip currentpicture to unitsquare xyscaled (w,h) ; + + for i=0cm step 1cm until w+.5cm : + draw (i,0) -- (i,h) withpen pensquare scaled .5mm withcolor .625yellow ; + endfor ; + + for i=0cm step 1cm until h+.5cm : + draw (0,i) -- (w,i) withpen pensquare scaled .5mm withcolor .625yellow ; + endfor ; + +\stopuseMPgraphic + +\startuseMPgraphic{title page} + + StartPage ; + + \includeMPgraphic{cover page} + + picture p ; p := image (draw rawtextext("\darkred\definedfont[Sans]metafun" )) ; + picture q ; q := image (draw rawtextext("\darkred\definedfont[Sans]Hans Hagen")) ; + % picture r ; r := image (draw rawtextext("\darkred\definedfont[Sans]\doifnotmode{book}{context mkiv}")) ; + picture r ; r := image (draw rawtextext("\darkred\definedfont[Sans]context mkiv")) ; + + p := p xsized(PaperHeight - 2cm) ; + q := q xsized(PaperWidth - 8cm) ; + r := r xsized(6cm) ; + + p := p rotated 90 ; + r := r rotated 90 ; + + draw p shifted (urcorner Page - urcorner p - (1cm,1cm) - (-1mm,0) ) ; + draw q shifted (1cm, 1cm) ; + draw r shifted (urcorner Page - urcorner r - (5cm,2cm) ) ; + + StopPage ; + + setbounds currentpicture to Page ; + +\stopuseMPgraphic + +\startuseMPgraphic{back page} + + \includeMPgraphic{cover page} + +\stopuseMPgraphic + +\startuseMPgraphic{small grid} + + numeric w ; w := \overlaywidth ; + numeric h ; h := \overlayheight ; + numeric d ; d := .25cm ; + + drawoptions(withcolor (.6+uniformdeviate.35)*white) ; + + for i=0cm step d until w : + for j=0cm step d until h : + fill unitsquare scaled d shifted (i,j) ; + endfor ; + endfor ; + + drawoptions(withpen pencircle scaled .125mm withcolor .625yellow) ; + + for i=0 step d until w+d : draw (i,0) -- (i,h) ; endfor ; + for i=0 step d until h+d : draw (0,i) -- (w,i) ; endfor ; + +\stopuseMPgraphic + +\defineoverlay[title page][\useMPgraphic{title page}] + +\startnotmode[proof] + \defineoverlay[back page][\useMPgraphic{back page}] + \defineoverlay[small grid][\useMPgraphic{small grid}] +\stopnotmode + +% could be all in mp + +\starttexdefinition unexpanded OnGrid#1 + \hbox to \hsize \bgroup + \ifodd\realpageno + \hss + \fi + \setbox\scratchbox=\hbox { + \color[darkred]{#1} + } + \scratchoffset.25cm + \scratchwidth\wd\scratchbox + \ifdim\scratchwidth>\zeropoint + \advance \scratchwidth by .5\scratchoffset + \divide \scratchwidth by \scratchoffset + \multiply\scratchwidth by \scratchoffset + \advance \scratchwidth by 2\scratchoffset + \else + \scratchwidth8\scratchoffset + \fi + \dp\scratchbox \scratchoffset + \ht\scratchbox 2\scratchoffset + \framed [ + background=small grid, + frame=off, + offset=overlay + ] { + \hbox to \scratchwidth { + \hss + \box\scratchbox + \hss + } + } + \unless \ifodd\realpageno + \hss + \fi + \egroup +\stoptexdefinition + +\setupfootertexts + [margin] + [] + [\OnGrid{\doifelsetext{\getmarking[chapter]}{\getmarking[chapter]}{\getmarking[title]}}] + +\startuseMPgraphic{circled} + pickup pencircle scaled 1mm ; + drawoptions(withcolor (.6+uniformdeviate.35)*white) ; + fill fullcircle xscaled 1.5cm yscaled 1cm ; + drawoptions(withcolor .625yellow) ; + draw fullcircle xscaled 1.5cm yscaled 1cm ; +\stopuseMPgraphic + +\startnotmode[proof] + \defineoverlay[circled][\useMPgraphic{circled}] +\stopnotmode + +\starttexdefinition unexpanded Circled #1 + \framed [ + background=circled, + frame=off, + offset=overlay + ] { + \color[darkred]{#1} + } +\stoptexdefinition + +\setuppagenumbering + [location=] + +\setupheadertexts + [margin] + [][\hbox to \hsize{\hss\Circled\pagenumber\hss}] + +\setupheader + [style=bold] + +\setupfooter + [style=bold] + +\startuniqueMPgraphic{titled} + path p ; p := unitsquare xscaled OverlayWidth yscaled OverlayHeight ; + pickup pencircle scaled 1mm ; + drawoptions(withcolor .625yellow) ; + draw llcorner p -- lrcorner p ; + setbounds currentpicture to p ; +\stopuniqueMPgraphic + +\defineoverlay[titled][\uniqueMPgraphic{titled}] + +\starttexdefinition unexpanded ChapterCommand #1#2 + \ifconditional\headshownumber + \ifdim\leftmarginwidth<\rightmarginwidth + \donetrue + \else + \donefalse + \fi + \hskip-\ifdone\leftmargintotal\else\rightmargintotal\fi + \framed [ + background=titled, + frame=off, + offset=0pt + ] { + \hbox to \ifdone\leftmarginwidth\else\rightmarginwidth\fi { + #1 + \hss + } + \hskip\ifdone\leftmargindistance\else\rightmargindistance\fi + #2 + } + \else + \framed [ + background=titled, + frame=off, + offset=0pt + ] { + #2 + } + \fi +\stoptexdefinition + +\starttexdefinition unexpanded TitleCommand #1#2 + \framed [ + background=titled, + frame=off, + offset=0pt + ] { + #2 + } +\stoptexdefinition + +\starttexdefinition unexpanded IntroTitleCommand #1#2 + \framed [ + background=titled, + frame=off, + offset=0pt, + width=\textwidth + ] { + \hfill + #2 + } +\stoptexdefinition + +\starttexdefinition unexpanded ExtroTitleCommand #1#2 + \framed [ + background=titled, + frame=off, + offset=0pt, + width=\textwidth + ] { + \hss + #2 + \hss + } +\stoptexdefinition + +\setuphead + [chapter,section,subsection,subsubsection] + [color=darkred] + +\setuphead + [chapter] + [style=\bfc] + +\setuphead + [section] + [style=\bfa] + +\setuphead + [subsection] + [style=\bf] + +\setuphead + [subsubsection] + [style=\bf] + +\setuphead + [chapter,section,subsection,subsubsection] + [command=\ChapterCommand] + +\setuphead + [title,subject,subsubject,subsubsubject] + [command=\TitleCommand] + + +\definehead [introsubject] [subsubject] +\definehead [extrosubject] [subsubject] + +\setuphead [introsubject] [command=\IntroTitleCommand] +\setuphead [extrosubject] [command=\ExtroTitleCommand] + +\setuphead + [subsection,subsubject] + [before=\blank, + after=\blank] + +% charts + +\usemodule[chart] + +\setupFLOWcharts + [offset=0pt, + width=6\bodyfontsize, + height=3\bodyfontsize, + dx=\bodyfontsize, + dy=\bodyfontsize] + +\setupFLOWshapes + [framecolor=darkred] + +\setupFLOWlines + [color=darkyellow] + +% hm, slows down the whole doc + +\setupbackgrounds + [page] + [background={backgraphics,foreground,foregraphics}] + +\defineoverlay [backgraphics] [\positionoverlay{backgraphics}] +\defineoverlay [foregraphics] [\positionoverlay{foregraphics}] + +\startbuffer[shape-a] +\startuniqueMPgraphic{meta:hash}{linewidth,linecolor,angle,gap} + if unknown context_back : input mp-back ; fi ; + some_hash ( OverlayWidth, OverlayHeight , + \MPvar{linewidth}, \MPvar{linecolor} , + \MPvar{angle}, \MPvar{gap} ) ; +\stopuniqueMPgraphic +\stopbuffer + +\startbuffer[shape-b] +\setupMPvariables + [meta:hash] + [gap=.25\bodyfontsize, + angle=45, + linewidth=\overlaylinewidth, + linecolor=\overlaylinecolor] +\stopbuffer + +\startbuffer[shape-c] +\def\metahashoverlay#1{\uniqueMPgraphic{meta:hash}{angle=#1}} + +\defineoverlay[meta:hash:right] [\metahashoverlay{ +45}] +\defineoverlay[meta:hash:left] [\metahashoverlay{ -45}] +\defineoverlay[meta:hash:horizontal][\metahashoverlay{+180}] +\defineoverlay[meta:hash:vertical] [\metahashoverlay{ -90}] +\stopbuffer + +\startbuffer[symb-a] +\startuniqueMPgraphic{meta:button}{type,size,linecolor,fillcolor} + if unknown context_butt : input mp-butt ; fi ; + some_button ( \MPvar{type}, + \MPvar{size}, + \MPvar{linecolor}, + \MPvar{fillcolor} ) ; +\stopuniqueMPgraphic +\stopbuffer + +\startbuffer[symb-b] +\setupMPvariables + [meta:button] + [type=1, + size=2\bodyfontsize, + fillcolor=gray, + linecolor=darkred] +\stopbuffer + +\startbuffer[symb-c] +\def\metabuttonsymbol#1{\uniqueMPgraphic{meta:button}{type=#1}} + +\definesymbol[menu:left] [\metabuttonsymbol{101}] +\definesymbol[menu:right] [\metabuttonsymbol{102}] +\definesymbol[menu:list] [\metabuttonsymbol{103}] +\definesymbol[menu:index] [\metabuttonsymbol{104}] +\definesymbol[menu:person][\metabuttonsymbol{105}] +\definesymbol[menu:stop] [\metabuttonsymbol{106}] +\definesymbol[menu:info] [\metabuttonsymbol{107}] +\definesymbol[menu:down] [\metabuttonsymbol{108}] +\definesymbol[menu:up] [\metabuttonsymbol{109}] +\definesymbol[menu:print] [\metabuttonsymbol{110}] +\stopbuffer + +\hyphenation{tool-kit} + +\startbuffer[pagetext] +\subject{Edward R. Tufte} \input tufte \par +\subject{Donald E. Knuth} \input knuth \par +\subject{Douglas R. Hostadter} \input douglas \page +\stopbuffer + +\startbuffer[back-0] +\defineoverlay[page][\useMPgraphic{page}] +\setupbackgrounds[page][background=page] +\stopbuffer + +\startbuffer[back-1] +\startuseMPgraphic{page} + StartPage ; + path Main ; + if OnRightPage : + Main := lrcorner Field[OuterMargin][Text] -- + llcorner Field[Text] [Text] -- + ulcorner Field[Text] [Text] -- + urcorner Field[OuterMargin][Text] -- cycle ; + else : + Main := llcorner Field[OuterMargin][Text] -- + lrcorner Field[Text] [Text] -- + urcorner Field[Text] [Text] -- + ulcorner Field[OuterMargin][Text] -- cycle ; + fi ; + Main := Main enlarged 6pt ; + pickup pencircle scaled 2pt ; + fill Page withcolor .625white ; + fill Main withcolor .850white ; + draw Main withcolor .625red ; + StopPage ; +\stopuseMPgraphic +\stopbuffer + +\startbuffer[back-2] +\startuseMPgraphic{page} + StartPage ; + pickup pencircle scaled 2pt ; + fill Page withcolor .625white ; + fill Field[OuterMargin][Text] withcolor .850white ; + fill Field[Text] [Text] withcolor .850white ; + draw Field[OuterMargin][Text] withcolor .625red ; + draw Field[Text] [Text] withcolor .625red ; + StopPage ; +\stopuseMPgraphic +\stopbuffer + +\startbuffer[back-3] +\startuseMPgraphic{page} + StartPage ; + pickup pencircle scaled 2pt ; + fill Page withcolor .625white ; + fill Field[Text][Text] enlarged .5cm withcolor .850white ; + draw Field[Text][Text] enlarged .5cm withcolor .625red ; + StopPage ; +\stopuseMPgraphic +\stopbuffer + +\startbuffer[back-4] +\startuseMPgraphic{page} + StartPage ; + def somewhere = + (uniformdeviate 1cm,uniformdeviate 1cm) + enddef ; + path Main ; + Main := Field[Text][Text] lrmoved somewhere -- + Field[Text][Text] llmoved somewhere -- + Field[Text][Text] ulmoved somewhere -- + Field[Text][Text] urmoved somewhere -- cycle ; + pickup pencircle scaled 2pt ; + fill Page withcolor .625white ; + fill Main withcolor .850white ; + draw Main withcolor .625red ; + StopPage ; +\stopuseMPgraphic +\stopbuffer + +\startbuffer[back-4x] +\startuseMPgraphic{page} + StartPage ; + path Main ; Main := Field[Text][Text] randomized 1cm ; + pickup pencircle scaled 2pt ; + fill Page withcolor .625white ; + fill Main withcolor .850white ; + draw Main withcolor .625red ; + StopPage ; +\stopuseMPgraphic +\stopbuffer + +\startbuffer[back-5] +\startuseMPgraphic{page} + StartPage + for i=Top,Header,Text,Footer,Bottom : + for j=LeftEdge,LeftMargin,Text,RightMargin,RightEdge : + draw Field[i][j] withpen pencircle scaled 2pt withcolor .625red ; + endfor ; + endfor ; + StopPage +\stopuseMPgraphic +\stopbuffer + +\starttexdefinition unexpanded Literature #1#2#3 + \blank + \noindentation + #1 + \space + \begingroup + \bf + #2 + \endgroup + \space + #3 + \blank +\stoptexdefinition + +\environment metafun-environment-samples + +\startbuffer[handwrit] + +\usetypescript[serif][chorus] + +\definefont[SomeHandwriting][TeXGyreChorus-MediumItalic*default at 12pt] + +\start \SomeHandwriting\setstrut + +\startMPpage + StartPage ; + numeric l, n ; path p ; + l := 1.5LineHeight ; + n := 0 ; + p := origin shifted (l,0) -- origin shifted (PaperWidth-l,0) ; + for i=PaperHeight-l step -l until l : + n := n + 1 ; + fill p shifted (0,i+StrutHeight) -- + reverse p shifted (0,i-StrutDepth ) -- cycle + withcolor .85white ; + draw p shifted (0,i) + withpen pencircle scaled .25pt + withcolor .5white ; + draw p shifted (0,i+ExHeight) + withpen pencircle scaled .25pt + withcolor .5white ; + draw textext.origin("\strut How are those penalty lines called + in english? I may not steal candies ..." & decimal n) + shifted (l,i) + shifted (0,-StrutDepth) ; + endfor ; + StopPage ; +\stopMPpage +\stop +\stopbuffer + +\startbuffer[gridpage] +\startMPpage + StartPage ; + width := PaperWidth ; height := PaperHeight ; unit := cm ; + drawoptions(withpen pencircle scaled .2pt withcolor .8white) ; + draw vlingrid(0, width /unit, 1/10, width, height) ; + draw hlingrid(0, height/unit, 1/10, height, width ) ; + drawoptions(withpen pencircle scaled .5pt withcolor .4white) ; + draw vlingrid(0, width /unit, 1, width, height) ; + draw hlingrid(0, height/unit, 1, height, width ) ; + StopPage ; +\stopMPpage +\stopbuffer + +% needed to get white backgrounds + +\startmode[screen] + +\startbuffer[wipe] +picture savedpicture ; +savedpicture := currentpicture ; +currentpicture := nullpicture ; +draw savedpicture withcolor black ; +draw savedpicture ; +\stopbuffer + +\stopmode + +\startnotmode[screen] + +\startbuffer[wipe] + % nothing to whipe +\stopbuffer + +\stopnotmode + +\startbuffer[backtext] + + This document introduces you in the world of the graphic programming language + \MetaPost. Not only the language itself is covered in detail, but also the way to + interface with the typographic language \TeX. We also present the collection of + \MetaPost\ extensions that come with the \ConTeXt\ typesetting system. This + collection goes under the name \MetaFun. + + \blank + + All aspects of the \MetaPost\ language are covered. The first chapters focus on + the language itself, later chapters cover aspects like color, graphic + inclusions, adding labels, and stepwise constructing graphics. We finish with a + graphical overview of commands. + +\stopbuffer + +\startbuffer[backbanner] + + \WidthSpanningText + {PRAGMA Advanced Document Engineering, Hasselt NL, \currentdate[year]} + {\hsize} + {RegularBold} + +\stopbuffer + +\stopenvironment |