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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% dratex.4ht 2008-09-16-11:44 %
% Copyright (C) 1997--2008 Eitan M. Gurari %
% %
% This work may be distributed and/or modified under the %
% conditions of the LaTeX Project Public License, either %
% version 1.3c of this license or (at your option) any %
% later version. The latest version of this license is %
% in %
% http://www.latex-project.org/lppl.txt %
% and version 1.3c or later is part of all distributions %
% of LaTeX version 2005/12/01 or later. %
% %
% This work has the LPPL maintenance status "maintained".%
% %
% This Current Maintainer of this work %
% is Eitan M. Gurari. %
% %
% If you modify this program your changing its signature %
% with a directive of the following form will be %
% appreciated. %
% \message{signature} %
% %
% gurari@cse.ohio-state.edu %
% http://www.cse.ohio-state.edu/~gurari %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\immediate\write-1{version 2008-09-16-11:44}
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\def\EndDraw{%
\endgroup \:SetDrawWidth
\egroup {\:X\wd\:box \:Y\ht\:box \advance\:Y by\dp\:box
\xdef\DrawWidth{\:InCons\:X}%
\xdef\DrawHeight{\:InCons\:Y}%
\xdef\MinDrawX{\:InCons\:LBorder}%
\:X\:UBorder \xdef\MaxDrawy{\:InCons\:X}%
}%
%
\global\let\in:pic\empty
\box\:box \end:condpic
\global\let\in:pic\:UnDef
%
\after:dra
}%
\def\PsCode##1{{\Text(--\ht:special{\PsCodeSpecial##1}--)}}%
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\:DraCatCodes \parindent\z@ \ht:everypar{}%
\linepenalty10
\leftskip\z@ \rightskip\z@ \boxmaxdepth\maxdimen
\let\FigSize\:FigSize
\def\Draw{\:wrn1{}}%
\:CommonIID \:InDraw
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}
\let\old:Draw\:Draw
\def\:Draw{%
\ifx \EndPicture\:UnDef
\expand:after{\ifvmode \vfill\break \fi
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\def\g:ifdraw[#1]{\Picture*[#1]{ \a:@Picture{Draw}}\html:Draw}
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\def\g:fdr{\egroup\a:Draw\append:def\end:condpic{\b:Draw}\expandafter}
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\def\DrawIMG#1{\def\Pic:Img{ \ifx \in:pic\:UnDef \at:IMG
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\DrawIMG{}
\let\u:map\empty
\def\DrawMap{%
\NewHaddr\:temp
\xdef\:Map{{<map name="\:temp">}}%
\edef\u:map{ usemap="\:sharp\:temp" }%
\NewHaddr\alt:map
\def\after:dra{\EndLink
\HPage[\alt:map]{}{\expandafter\map:menu\:Map}\EndHPage{}%
{\expandafter\HCode\:Map}\HCode{</map>}%
\let\u:map\empty \let\after:dra\empty }%
\Link[\RefFile{\alt:map}]{}{}\Draw[textual map]}
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\Odef\GetRectArea[#1]#2#3{{%
\ifnum \Point:N>0
\MarkPoint \area:env \gHAssign\Point:N 0
\xdef\:Map{\:Map
\rect:area{#1}\gt:crd{point:1}\gt:crd{point:2}{#2}{#3}}%
\fi}}
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\trns:pt\:X{#2}\:Y{#3}%
\trns:pt\:Z{#4}\:W{#5}%
\Ar:a[#1 shape="rect"
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\if "#7"\else alt="#7"\fi]{#6}}
\Odef\GetCircleArea[#1]#2#3{{%
\ifnum \Point:N>0
\MarkPoint \:distance(point:1,point:2)\tmp:dim\Map:x
\:d\:Cons\tmp:dim\:d \area:env
\gHAssign\Point:N 0
\xdef\:Map{\:Map
\circle:area{#1}\gt:crd{point:1}{\:InCons\:d}{#2}{#3}}%
\else\fi}}
\def\circle:area#1#2#3#4#5#6{%
\trns:pt\:X{#2}\:Y{#3}%
\Ar:a[#1 shape="circle" coords="\:X,\:Y,#4"
\ifx "#6"\else alt="#6"\fi]{#5}}
\Odef\GetPolyArea[#1]#2#3{{%
\ifnum \Point:N>0
\MarkPoint \area:env \let\:tempb\empty
\Do(1,\Point:N){\edef\:tempb{\gt:crd{point:\the\DoReg}\:tempb}}%
\gHAssign\Point:N 0
\xdef\:Map{\:Map\poly:area{#1}{\:tempb}{#2}{#3}}%
\fi}}
\def\ply:pts#1#2{%
\def\:temp{#1}\ifx \:temp\empty\else
\trns:pt\:X{#1}\:Y{#2}%
\edef\:Z{\:Z\ifx \:Z\empty\else,\fi \:X,\:Y}%
\expandafter\ply:pts
\fi }
\def\poly:area#1#2#3#4{%
\let\:Z\empty \ply:pts#2{}{}%
\Ar:a[#1 shape="poly" coords="\:Z"
\ifx "#4"\else alt="#4"\fi]{#3}}
\def\map:menu#1{\let\rect:area\r:mnu \let\circle:area\c:mnu
\let\poly:area\p:mnu}
\def\r:mnu#1#2#3#4#5#6#7{[\Link[#1]{#6}{}#7\EndLink] }
\def\c:mnu#1#2#3#4#5#6{[\Link[#1]{#5}{}#6\EndLink] }
\def\p:mnu#1#2#3#4{[\Link[#1]{#3}{}#4\EndLink] }
\gHAssign\Point:N 0
\def\MarkPoint{\gHAdvance\Point:N 1
\MarkGLoc(point:\Point:N)}
\def\area:env{\def\:X##1.##2\:Y##3.##4,{{##1}{##3}}%
\let\rect:area\relax
\let\circle:area\relax
\let\poly:area\relax }
\def\gt:crd#1{\csname Loc\space#1:\endcsname,}
\def\trns:pt#1#2#3#4{%
\ifnum #2<\MinDrawX \HAssign#10
\else \HAssign#1 #2 \Advance:#1 -\MinDrawX
\tmp:dim\Map:x \multiply\tmp:dim #1
\HAssign #1\:InCons\tmp:dim
\fi
\ifnum #4>\MaxDrawy \HAssign#3\MaxDrawy
\else \HAssign#3-#4 \Advance:#3 \MaxDrawy
\fi
\tmp:dim\Map:y \multiply\tmp:dim #3 \HAssign#3\:InCons\tmp:dim
}
\def\MapDensity(#1,#2){%
\tmp:dim=#1pt \divide\tmp:dim by 72 \edef\Map:x{\the\tmp:dim}%
\tmp:dim=#2pt \divide\tmp:dim by 72 \edef\Map:y{\the\tmp:dim}}
\MapDensity(72,72)
\Hinput{dratex}
\endinput
|
