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Diffstat (limited to 'tex/context/base/s-pre-02.tex')
| -rw-r--r-- | tex/context/base/s-pre-02.tex | 302 |
1 files changed, 122 insertions, 180 deletions
diff --git a/tex/context/base/s-pre-02.tex b/tex/context/base/s-pre-02.tex index 2ec882b72..6e735c91d 100644 --- a/tex/context/base/s-pre-02.tex +++ b/tex/context/base/s-pre-02.tex @@ -14,9 +14,9 @@ %D This environment can be used to typeset interactive %D presentations. This module was first used at the 1998 %D publishers conference of the European Portable Document -%D Association. +%D Association (now merged into a graphics association). -\usemodule[pre-general] % mode=step +\usemodule[pre-general] %D \macros %D {setupbodyfont, switchtobodyfont, setuplayout} @@ -24,11 +24,12 @@ %D At \PRAGMA\ we prefer using the Lucida Bright fonts, but %D one can of course load another typeface. -\setupbodyfont - [lbr,14.4pt] +\startmode[asintended] \setupbodyfont[lbr] \stopmode + +\setupbodyfont[14.4pt] \setuplayout - [style={\switchtobodyfont[12pt]}] + [style=smallbodyfont] %D \macros %D {setuppapersize, setuplayout} @@ -70,14 +71,8 @@ %D Of course we enable color. We define some logical colors, %D of which most default to the same green shade. -\definecolor [Backgrounds] [r= 0, g=.7, b=.4] -\definecolor [Actions] [Backgrounds] -\definecolor [Lines] [Actions] -\definecolor [Page] [r=.8, g=.8, b=.8] - -%\definecolor [Actions] [r= 1, g=.9, b=.5] -%\definecolor [Actions] [r= .1, g=.5, b=.9] -%\definecolor [Actions] [r= 1, g=.3, b=.1] +\definecolor [BackgroundColor] [r=.8, g=.8, b=.8] +\definecolor [OrnamentColor] [r= 0, g=.7, b=.4] \setupcolors [state=start] @@ -90,7 +85,8 @@ \setupinteraction [state=start, - color=Actions] + color=OrnamentColor, + contrastcolor=Ornamentcolor] \setupinteractionscreen [option=max, @@ -103,195 +99,137 @@ %D And why not bring some color in itemizations too? \setupitemize - [color=Backgrounds] + [color=OrnamentColor] %D \macros %D {defineoverlay, setupbackgrounds} %D %D The navigational elements and the backgrounds are -%D provided by \METAPOST. The next few macros are meant for the -%D more experienced \CONTEXT\ user. When, as demonstrated -%D here, we make the dimensions part of the name, we can be -%D sure that new ones are generated when we change the page -%D size in between. +%D provided by \METAPOST. %D %D When \METAPOST\ is used, it makes sense to generate the %D graphics at runtime. This is supported when one enables %D system calls in the local \type {texmf.cnf} file and add the %D switch \type {\runMPgraphicstrue} to the local file \type %D {cont-sys.tex}. When direct processing is disabled or not -%D supported, \TEXEXEC\ will tke care of graphic generation. - -\def\MPpagebackground#1#2#3% - {\startreusableMPgraphic{pb:#1#2#3} - delta := #3 ; - fill unitsquare - xscaled #1 yscaled #2 - withcolor \MPcolor{Page}; - draw unitsquare - xscaled (#1-2delta) yscaled (#2-2delta) - shifted (delta,delta) - withpen pencircle scaled .5delta - withcolor \MPcolor{Backgrounds} ; - \stopreusableMPgraphic - \reuseMPgraphic{pb:#1#2#3}} +%D supported, \TEXEXEC\ will take care of graphic generation. + +\startuniqueMPgraphic{PageBackground} + fill unitsquare + xyscaled(OverlayWidth,OverlayHeight) + withcolor OverlayColor ; + draw unitsquare + xyscaled(OverlayWidth,OverlayHeight) + enlarged (-2*OverlayLineWidth) + withpen pencircle scaled OverlayLineWidth + withcolor OverlayLineColor ; +\stopuniqueMPgraphic \defineoverlay [PageBackground] - [\MPpagebackground{\overlaywidth}{\overlayheight}{.25cm}] + [\uniqueMPgraphic{PageBackground}] \setupbackgrounds [page] - [background=PageBackground] + [background=PageBackground, + backgroundcolor=BackgroundColor, + rulethickness=.125cm, + framecolor=OrnamentColor] %D \macros %D {setuptexttexts} %D %D By clicking on the text area, one goes to the next page. -%D We could also have use the overlay mechanism, but this -%D takes more settings and requires to generate the backgounds -%D each page. -%D -%D \starttypen -%D \defineoverlay[BackgroundButton][\BackgroundButton] -%D \setupbackgrounds[text][text][background=BackgroundButton] -%D \setupbackgrounds[state=repeat] -%D \stoptypen -%D -%D We go for the fast one. - -\def\MPtextbackground#1#2#3% - {\startreusableMPgraphic{tx:#1#2#3} - delta := #3 ; - draw unitsquare - xscaled #1 yscaled #2 - withpen pencircle scaled .5delta - withcolor \MPcolor{Backgrounds} ; - \stopreusableMPgraphic - \reuseMPgraphic{tx:#1#2#3}} +%D We hook this feature into the text backgrounds. + +\startuniqueMPgraphic{TextBackground} + draw unitsquare + xyscaled(OverlayWidth,OverlayHeight) + enlarged (4*OverlayLineWidth) + withpen pencircle scaled OverlayLineWidth + withcolor OverlayLineColor ; +\stopuniqueMPgraphic \defineoverlay [TextBackground] - [\MPtextbackground{\overlaywidth}{\overlayheight}{.125cm}] + [\uniqueMPgraphic{TextBackground}] -\def\BackgroundButton% - {\button - [background=TextBackground, - backgroundoffset=.25cm, - frame=off, - height=\vsize, - width=\hsize]{}[nextpage]} +\defineoverlay + [NextPage] + [\overlaybutton{nextpage}] -\setuptexttexts - [\BackgroundButton] - [] +\setupbackgrounds + [text] + [background={TextBackground,NextPage}, + backgroundcolor=BackgroundColor, + rulethickness=.0625cm, + framecolor=OrnamentColor] %D \macros -%D {setupbottomtexts} +%D {setupinteractionmenu,startinteractionmenu} %D %D At the bottom of the screen, we show three buttons. These %D direct us to the previous or next jump or exit the document. -% much too complicated, can be done in a few lines nowadays - -\def\MPright#1#2% - {\startreusableMPgraphic{rt:#1#2} - z1 = ( 0, 0) ; - z2 = (#1, .5y3) ; - z3 = ( 0, #2) ; - path p ; p := z1--z2--z3--cycle; - lw := #2/5 ; pickup pencircle scaled lw; - filldraw p withcolor \MPcolor{Backgrounds} ; - set_outer_boundingbox currentpicture; - \stopreusableMPgraphic - \reuseMPgraphic{rt:#1#2}} - -\def\MPleft#1#2% - {\startreusableMPgraphic{lt:#1#2} - z1 = (#1, 0) ; - z2 = ( 0, .5y3) ; - z3 = (#1, #2) ; - path p ; p := z1--z2--z3--cycle; - lw := #2/5 ; pickup pencircle scaled lw; - filldraw p withcolor \MPcolor{Backgrounds} ; - set_outer_boundingbox currentpicture; - \stopreusableMPgraphic - \reuseMPgraphic{lt:#1#2}} - -\def\MPcircle#1#2% - {\startreusableMPgraphic{ci:#1#2} - rx := #1; ry := #2; - path p ; p := fullcircle xscaled rx yscaled ry; - lw := #2/5 ; pickup pencircle scaled lw; - filldraw p withcolor \MPcolor{Backgrounds} ; - set_outer_boundingbox currentpicture; - \stopreusableMPgraphic - \reuseMPgraphic{ci:#1#2}} - -\def\MPwhat#1#2% - {\startreusableMPgraphic{wh:#1#2} % could be rotated unitsquare - z1 = ( 0, 0) ; - z2 = ( #1, 0) ; - z3 = (.5x2, #2) ; - path p ; p := z1--z2--z3--cycle; - lw := #2/5 ; pickup pencircle scaled lw; - filldraw p withcolor \MPcolor{Backgrounds} ; - set_outer_boundingbox currentpicture; - \stopreusableMPgraphic - \reuseMPgraphic{wh:#1#2}} - -\unexpanded\def\BackwardButton% - {\gotobox{\MPleft{\the\bottomheight}{\the\bottomheight}}[previouspage]} - -\unexpanded\def\ForwardButton% - {\gotobox{\MPright{\the\bottomheight}{\the\bottomheight}}[nextpage]} - -\unexpanded\def\ExitButton% - {\gotobox{\MPcircle{\the\bottomheight}{\the\bottomheight}}[CloseDocument]} - -\unexpanded\def\WhateverButton% - {\doifreferencefoundelse{Whatever} - {\gotobox{\MPwhat{\the\bottomheight}{\the\bottomheight}}[Whatever]} +\setupMPvariables[RightArrow][height=\bottomheight] +\setupMPvariables[LeftArrow] [height=\bottomheight] +\setupMPvariables[Circle] [height=\bottomheight] +\setupMPvariables[UpArrow] [height=\bottomheight] + +\startuniqueMPgraphic{RightArrow}{height} + z1=(0,0) ; z2=(\MPvar{height},.5y3) ; z3=(0,\MPvar{height}) ; + drawfill z1--z2--z3--cycle + withpen pencircle scaled (\MPvar{height}/5) + withcolor \MPcolor{OrnamentColor} ; +\stopuniqueMPgraphic + +\startuniqueMPgraphic{LeftArrow}{height} + z1=(\MPvar{height},0) ; z2=(0,.5y3) ; z3=(\MPvar{height},\MPvar{height}) ; + drawfill z1--z2--z3--cycle + withpen pencircle scaled (\MPvar{height}/5) + withcolor \MPcolor{OrnamentColor} ; +\stopuniqueMPgraphic + +\startuniqueMPgraphic{Circle}{height} + drawfill fullcircle scaled \MPvar{height} + withpen pencircle scaled (\MPvar{height}/5) + withcolor \MPcolor{OrnamentColor} ; +\stopuniqueMPgraphic + +\startuniqueMPgraphic{UpArrow}{height} + z1=(0,0) ; z2=(\MPvar{height},0) ; z3=(.5x2,\MPvar{height}) ; + drawfill z1--z2--z3--cycle + withpen pencircle scaled (\MPvar{height}/5) + withcolor \MPcolor{OrnamentColor} ; +\stopuniqueMPgraphic + +\setupinteractionmenu + [bottom] + [state=start, + frame=off, + width=.3\textwidth, + height=\bottomheight] + +\setupinteraction + [menu=on] + +\def\WhateverButton + {\doifreferencefoundelse{Whatever} + {\raw [Whatever] \uniqueMPgraphic{UpArrow} \\} {}} -\def\BottomButton% - {\button - [frame=off, - height=\bottomheight, - width=.3\textwidth]{}[Topics]} - -\setupbottomtexts - [\BottomButton - \hfill - \WhateverButton - \kern2\bottomheight - \BackwardButton - \kern.5\bottomheight - \ExitButton - \kern.5\bottomheight - \ForwardButton - \kern.5\bottomheight] - [] % redundant - -% an alternative way: -% -% \setupinteractionmenu[bottom][state=start] -% -% \setupinteraction[menu=on] -% -% \startinteractionmenu[bottom] -% \button[frame=off,height=\bottomheight,width=.3\textwidth]{}[Topics] -% \hfill -% \doifreferencefoundelse{Whatever} -% {\gotobox{\MPwhat{\the\bottomheight}{\the\bottomheight}}[Whatever]}{}% -% \kern2\bottomheight -% \gotobox{\MPleft{\the\bottomheight}{\the\bottomheight}}[previouspage]% -% \kern.5\bottomheight -% \gotobox{\MPcircle{\the\bottomheight}{\the\bottomheight}}[CloseDocument]% -% \kern.5\bottomheight -% \gotobox{\MPright{\the\bottomheight}{\the\bottomheight}}[nextpage]% -% \kern.5\bottomheight -% \stopinteractionmenu +\startinteractionmenu[bottom] + \but [Topics] \\ % secret button + \hfill + \WhateverButton % user specific + \kern2\bottomheight + \raw [previouspage] \uniqueMPgraphic{LeftArrow} \\ + \kern.5\bottomheight + \raw [CloseDocument] \uniqueMPgraphic{Circle} \\ + \kern.5\bottomheight + \raw [nextpage] \uniqueMPgraphic{RightArrow} \\ + \kern.5\bottomheight +\stopinteractionmenu %D \macros %D {TitlePage, Topics, Topic, Subject} @@ -382,8 +320,6 @@ continue=no, style=\tfa] -%D The next piece of code is new. - %D \macros %D {setuplist} %D @@ -397,20 +333,26 @@ before=, after=] +\setuplist + [Topic] + [criterium=all] + \def\Topics#1% {\determinelistcharacteristics[Topic] - \ifcase\utilitylistlength\else - \Nopic[Topics]{#1} - \startcolumns - \placelist[Topic][criterium=all] - \stopcolumns - \fi} + \doifmode{*list} + {\Nopic[Topics]{#1} + \startcolumns + \placelist[Topic] + \stopcolumns}} + +\setuplist + [Subject] + [criterium=Topic] \def\Subjects% - {\determinelistcharacteristics[Subject][criterium=Topic] - \ifcase\utilitylistlength\else - \placelist[Subject][criterium=Topic] - \fi} + {\determinelistcharacteristics[Subject] + \doifmode{*list} + {\placelist[Subject]}} \setuphead [Topic] |