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%D \module
%D   [       file=mp-cont.mpiv,
%D        version=1999.03.10,
%D          title=\CONTEXT\ \METAPOST\ graphics,
%D       subtitle=Interfaces,
%D         author=Hans Hagen,
%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.

%D This module is rather preliminary and subjected to changes.

if known metafun_loaded_cont : endinput ; fi ;

newinternal boolean metafun_loaded_cont ; metafun_loaded_cont := true ; immutable metafun_loaded_cont ;

string CurrentLayout ; CurrentLayout := "default" ;

boolean mfun_swapped ;

def SwapPageState =
    mfun_swapped := true ; % eventually this will go !
enddef ;

permanent CurrentLayout, SwapPageState ;

extra_beginfig := extra_beginfig & "mfun_swapped := false ;" ;

newscriptindex mfid_PaperHeight           ; mfid_PaperHeight           := scriptindex "PaperHeight"           ; vardef PaperHeight           = runscript mfid_PaperHeight           enddef ;
newscriptindex mfid_PaperWidth            ; mfid_PaperWidth            := scriptindex "PaperWidth"            ; vardef PaperWidth            = runscript mfid_PaperWidth            enddef ;
newscriptindex mfid_PrintPaperHeight      ; mfid_PrintPaperHeight      := scriptindex "PrintPaperHeight"      ; vardef PrintPaperHeight      = runscript mfid_PrintPaperHeight      enddef ;
newscriptindex mfid_PrintPaperWidth       ; mfid_PrintPaperWidth       := scriptindex "PrintPaperWidth"       ; vardef PrintPaperWidth       = runscript mfid_PrintPaperWidth       enddef ;
newscriptindex mfid_TopSpace              ; mfid_TopSpace              := scriptindex "TopSpace"              ; vardef TopSpace              = runscript mfid_TopSpace              enddef ;
newscriptindex mfid_BottomSpace           ; mfid_BottomSpace           := scriptindex "BottomSpace"           ; vardef BottomSpace           = runscript mfid_BottomSpace           enddef ;
newscriptindex mfid_BackSpace             ; mfid_BackSpace             := scriptindex "BackSpace"             ; vardef BackSpace             = runscript mfid_BackSpace             enddef ;
newscriptindex mfid_CutSpace              ; mfid_CutSpace              := scriptindex "CutSpace"              ; vardef CutSpace              = runscript mfid_CutSpace              enddef ;
newscriptindex mfid_MakeupHeight          ; mfid_MakeupHeight          := scriptindex "MakeupHeight"          ; vardef MakeupHeight          = runscript mfid_MakeupHeight          enddef ;
newscriptindex mfid_MakeupWidth           ; mfid_MakeupWidth           := scriptindex "MakeupWidth"           ; vardef MakeupWidth           = runscript mfid_MakeupWidth           enddef ;
newscriptindex mfid_TopHeight             ; mfid_TopHeight             := scriptindex "TopHeight"             ; vardef TopHeight             = runscript mfid_TopHeight             enddef ;
newscriptindex mfid_TopDistance           ; mfid_TopDistance           := scriptindex "TopDistance"           ; vardef TopDistance           = runscript mfid_TopDistance           enddef ;
newscriptindex mfid_HeaderHeight          ; mfid_HeaderHeight          := scriptindex "HeaderHeight"          ; vardef HeaderHeight          = runscript mfid_HeaderHeight          enddef ;
newscriptindex mfid_HeaderDistance        ; mfid_HeaderDistance        := scriptindex "HeaderDistance"        ; vardef HeaderDistance        = runscript mfid_HeaderDistance        enddef ;
newscriptindex mfid_TextHeight            ; mfid_TextHeight            := scriptindex "TextHeight"            ; vardef TextHeight            = runscript mfid_TextHeight            enddef ;
newscriptindex mfid_FooterDistance        ; mfid_FooterDistance        := scriptindex "FooterDistance"        ; vardef FooterDistance        = runscript mfid_FooterDistance        enddef ;
newscriptindex mfid_FooterHeight          ; mfid_FooterHeight          := scriptindex "FooterHeight"          ; vardef FooterHeight          = runscript mfid_FooterHeight          enddef ;
newscriptindex mfid_BottomDistance        ; mfid_BottomDistance        := scriptindex "BottomDistance"        ; vardef BottomDistance        = runscript mfid_BottomDistance        enddef ;
newscriptindex mfid_BottomHeight          ; mfid_BottomHeight          := scriptindex "BottomHeight"          ; vardef BottomHeight          = runscript mfid_BottomHeight          enddef ;
newscriptindex mfid_LeftEdgeWidth         ; mfid_LeftEdgeWidth         := scriptindex "LeftEdgeWidth"         ; vardef LeftEdgeWidth         = runscript mfid_LeftEdgeWidth         enddef ;
newscriptindex mfid_LeftEdgeDistance      ; mfid_LeftEdgeDistance      := scriptindex "LeftEdgeDistance"      ; vardef LeftEdgeDistance      = runscript mfid_LeftEdgeDistance      enddef ;
newscriptindex mfid_LeftMarginWidth       ; mfid_LeftMarginWidth       := scriptindex "LeftMarginWidth"       ; vardef LeftMarginWidth       = runscript mfid_LeftMarginWidth       enddef ;
newscriptindex mfid_LeftMarginDistance    ; mfid_LeftMarginDistance    := scriptindex "LeftMarginDistance"    ; vardef LeftMarginDistance    = runscript mfid_LeftMarginDistance    enddef ;
newscriptindex mfid_TextWidth             ; mfid_TextWidth             := scriptindex "TextWidth"             ; vardef TextWidth             = runscript mfid_TextWidth             enddef ;
newscriptindex mfid_RightMarginDistance   ; mfid_RightMarginDistance   := scriptindex "RightMarginDistance"   ; vardef RightMarginDistance   = runscript mfid_RightMarginDistance   enddef ;
newscriptindex mfid_RightMarginWidth      ; mfid_RightMarginWidth      := scriptindex "RightMarginWidth"      ; vardef RightMarginWidth      = runscript mfid_RightMarginWidth      enddef ;
newscriptindex mfid_RightEdgeDistance     ; mfid_RightEdgeDistance     := scriptindex "RightEdgeDistance"     ; vardef RightEdgeDistance     = runscript mfid_RightEdgeDistance     enddef ;
newscriptindex mfid_RightEdgeWidth        ; mfid_RightEdgeWidth        := scriptindex "RightEdgeWidth"        ; vardef RightEdgeWidth        = runscript mfid_RightEdgeWidth        enddef ;
newscriptindex mfid_InnerMarginDistance   ; mfid_InnerMarginDistance   := scriptindex "InnerMarginDistance"   ; vardef InnerMarginDistance   = runscript mfid_InnerMarginDistance   enddef ;
newscriptindex mfid_InnerMarginWidth      ; mfid_InnerMarginWidth      := scriptindex "InnerMarginWidth"      ; vardef InnerMarginWidth      = runscript mfid_InnerMarginWidth      enddef ;
newscriptindex mfid_OuterMarginDistance   ; mfid_OuterMarginDistance   := scriptindex "OuterMarginDistance"   ; vardef OuterMarginDistance   = runscript mfid_OuterMarginDistance   enddef ;
newscriptindex mfid_OuterMarginWidth      ; mfid_OuterMarginWidth      := scriptindex "OuterMarginWidth"      ; vardef OuterMarginWidth      = runscript mfid_OuterMarginWidth      enddef ;
newscriptindex mfid_InnerEdgeDistance     ; mfid_InnerEdgeDistance     := scriptindex "InnerEdgeDistance"     ; vardef InnerEdgeDistance     = runscript mfid_InnerEdgeDistance     enddef ;
newscriptindex mfid_InnerEdgeWidth        ; mfid_InnerEdgeWidth        := scriptindex "InnerEdgeWidth"        ; vardef InnerEdgeWidth        = runscript mfid_InnerEdgeWidth        enddef ;
newscriptindex mfid_OuterEdgeDistance     ; mfid_OuterEdgeDistance     := scriptindex "OuterEdgeDistance"     ; vardef OuterEdgeDistance     = runscript mfid_OuterEdgeDistance     enddef ;
newscriptindex mfid_OuterEdgeWidth        ; mfid_OuterEdgeWidth        := scriptindex "OuterEdgeWidth"        ; vardef OuterEdgeWidth        = runscript mfid_OuterEdgeWidth        enddef ;
newscriptindex mfid_PageOffset            ; mfid_PageOffset            := scriptindex "PageOffset"            ; vardef PageOffset            = runscript mfid_PageOffset            enddef ;
newscriptindex mfid_PageDepth             ; mfid_PageDepth             := scriptindex "PageDepth"             ; vardef PageDepth             = runscript mfid_PageDepth             enddef ;
newscriptindex mfid_LayoutColumns         ; mfid_LayoutColumns         := scriptindex "LayoutColumns"         ; vardef LayoutColumns         = runscript mfid_LayoutColumns         enddef ;
newscriptindex mfid_LayoutColumnDistance  ; mfid_LayoutColumnDistance  := scriptindex "LayoutColumnDistance"  ; vardef LayoutColumnDistance  = runscript mfid_LayoutColumnDistance  enddef ;
newscriptindex mfid_LayoutColumnWidth     ; mfid_LayoutColumnWidth     := scriptindex "LayoutColumnWidth"     ; vardef LayoutColumnWidth     = runscript mfid_LayoutColumnWidth     enddef ;
newscriptindex mfid_LastChangedLayoutPage ; mfid_LastChangedLayoutPage := scriptindex "LastChangedLayoutPage" ; vardef LastChangedLayoutPage = runscript mfid_LastChangedLayoutPage enddef ;
newscriptindex mfid_SwapMarginDimensions  ; mfid_SwapMarginDimensions  := scriptindex "SwapMarginDimensions"  ; vardef SwapMarginDimensions  = runscript mfid_SwapMarginDimensions  enddef ;

immutable % permanent
    PaperHeight, PaperWidth, PrintPaperHeight, PrintPaperWidth, TopSpace,
    BottomSpace, BackSpace, CutSpace, MakeupHeight, MakeupWidth, TopHeight,
    TopDistance, HeaderHeight, HeaderDistance, TextHeight, FooterDistance,
    FooterHeight, BottomDistance, BottomHeight, LeftEdgeWidth, LeftEdgeDistance,
    LeftMarginWidth, LeftMarginDistance, TextWidth, RightMarginDistance,
    RightMarginWidth, RightEdgeDistance, RightEdgeWidth, InnerMarginDistance,
    InnerMarginWidth, OuterMarginDistance, OuterMarginWidth, InnerEdgeDistance,
    InnerEdgeWidth, OuterEdgeDistance, OuterEdgeWidth, PageOffset, PageDepth,
    LayoutColumns, LayoutColumnDistance, LayoutColumnWidth,
    LastChangedLayoutPage, SwapMarginDimensions ;

newscriptindex mfid_OnRightPage      ; mfid_OnRightPage      := scriptindex "OnRightPage"      ; vardef OnRightPage      = runscript mfid_OnRightPage      enddef ;
newscriptindex mfid_OnOddPage        ; mfid_OnOddPage        := scriptindex "OnOddPage"        ; vardef OnOddPage        = runscript mfid_OnOddPage        enddef ;
newscriptindex mfid_InPageBody       ; mfid_InPageBody       := scriptindex "InPageBody"       ; vardef InPageBody       = runscript mfid_InPageBody       enddef ;
newscriptindex mfid_LayoutHasChanged ; mfid_LayoutHasChanged := scriptindex "LayoutHasChanged" ; vardef LayoutHasChanged = runscript mfid_LayoutHasChanged enddef ;

immutable % permanent
    OnRightPage, OnOddPage, InPageBody, LayoutHasChanged ;

newscriptindex mfid_RealPageNumber ; mfid_RealPageNumber := scriptindex "RealPageNumber" ; vardef RealPageNumber= runscript mfid_RealPageNumber enddef ;
newscriptindex mfid_LastPageNumber ; mfid_LastPageNumber := scriptindex "LastPageNumber" ; vardef LastPageNumber= runscript mfid_LastPageNumber enddef ;

newscriptindex mfid_PageNumber     ; mfid_PageNumber     := scriptindex "PageNumber"     ; vardef PageNumber    = runscript mfid_PageNumber     enddef ;
newscriptindex mfid_NOfPages       ; mfid_NOfPages       := scriptindex "NOfPages"       ; vardef NOfPages      = runscript mfid_NOfPages       enddef ;

newscriptindex mfid_SubPageNumber  ; mfid_SubPageNumber  := scriptindex "SubPageNumber"  ; vardef SubPageNumber = runscript mfid_SubPageNumber  enddef ;
newscriptindex mfid_NOfSubPages    ; mfid_NOfSubPages    := scriptindex "NOfSubPages"    ; vardef NOfSubPages   = runscript mfid_NOfSubPages    enddef ;

newscriptindex mfid_CurrentColumn  ; mfid_CurrentColumn  := scriptindex "CurrentColumn"  ; vardef CurrentColumn = runscript mfid_CurrentColumn  enddef ;
newscriptindex mfid_NOfColumns     ; mfid_NOfColumns     := scriptindex "NOfColumns"     ; vardef NOfColumns    = runscript mfid_NOfColumns     enddef ;

immutable % permanent
    RealPageNumber, LastPageNumber, PageNumber,
    NOfPages, SubPageNumber, NOfSubPages, CurrentColumn, NOfColumns ;

newscriptindex mfid_BaseLineSkip  ; mfid_BaseLineSkip  := scriptindex "BaseLineSkip"  ; vardef BaseLineSkip  = runscript mfid_BaseLineSkip         enddef ;
newscriptindex mfid_LineHeight    ; mfid_LineHeight    := scriptindex "LineHeight"    ; vardef LineHeight    = runscript mfid_LineHeight           enddef ;
newscriptindex mfid_BodyFontSize  ; mfid_BodyFontSize  := scriptindex "BodyFontSize"  ; vardef BodyFontSize  = runscript mfid_BodyFontSize         enddef ;

newscriptindex mfid_TopSkip       ; mfid_TopSkip       := scriptindex "TopSkip"       ; vardef TopSkip       = runscript mfid_TopSkip              enddef ;
newscriptindex mfid_StrutHeight   ; mfid_StrutHeight   := scriptindex "StrutHeight"   ; vardef StrutHeight   = runscript mfid_StrutHeight          enddef ;
newscriptindex mfid_StrutDepth    ; mfid_StrutDepth    := scriptindex "StrutDepth"    ; vardef StrutDepth    = runscript mfid_StrutDepth           enddef ;

newscriptindex mfid_CurrentWidth  ; mfid_CurrentWidth  := scriptindex "CurrentWidth"  ; vardef CurrentWidth  = runscript mfid_CurrentWidth         enddef ;
newscriptindex mfid_CurrentHeight ; mfid_CurrentHeight := scriptindex "CurrentHeight" ; vardef CurrentHeight = runscript mfid_CurrentHeight        enddef ;

newscriptindex mfid_HSize         ; mfid_HSize         := scriptindex "HSize"         ; vardef HSize         = runscript mfid_HSize                enddef ;
newscriptindex mfid_VSize         ; mfid_VSize         := scriptindex "VSize"         ; vardef VSize         = runscript mfid_VSize                enddef ;

newscriptindex mfid_EmWidth       ; mfid_EmWidth       := scriptindex "EmWidth"       ; vardef EmWidth       = runscript mfid_EmWidth              enddef ;
newscriptindex mfid_ExHeight      ; mfid_ExHeight      := scriptindex "ExHeight"      ; vardef ExHeight      = runscript mfid_ExHeight             enddef ;

immutable % permanent
    BaseLineSkip, LineHeight, BodyFontSize, TopSkip, StrutHeight, StrutDepth,
    CurrentWidth, CurrentHeight, HSize, VSize, EmWidth, ExHeight ;

newscriptindex mfid_PageFraction ; mfid_PageFraction := scriptindex "PageFraction" ; vardef PageFraction = runscript mfid_PageFraction         enddef ;
newscriptindex mfid_SpineWidth   ; mfid_SpineWidth   := scriptindex "SpineWidth"   ; vardef SpineWidth   = runscript mfid_SpineWidth           enddef ;
newscriptindex mfid_PaperBleed   ; mfid_PaperBleed   := scriptindex "PaperBleed"   ; vardef PaperBleed   = runscript mfid_PaperBleed           enddef ;

immutable % permanent
    PageFraction, SpineWidth, PaperBleed ;

%              mfid_CurrentLayout    ; mfid_CurrentLayout    := scriptindex "CurrentLayout"    ; vardef CurrentLayout    = runscript mfid_CurrentLayout        enddef ;
%              mfid_OverlayLineColor ; mfid_OverlayLineColor := scriptindex "OverlayLineColor  ; vardef OverlayLineColor = runscript mfid_OverlayLineColor     enddef ;
%              mfid_OverlayColor     ; mfid_OverlayColor     := scriptindex "OverlayColor      ; vardef OverlayColor     = runscript mfid_OverlayColor         enddef ;
newscriptindex mfid_OverlayWidth     ; mfid_OverlayWidth     := scriptindex "OverlayWidth"     ; vardef OverlayWidth     = runscript mfid_OverlayWidth         enddef ;
newscriptindex mfid_OverlayHeight    ; mfid_OverlayHeight    := scriptindex "OverlayHeight"    ; vardef OverlayHeight    = runscript mfid_OverlayHeight        enddef ;
newscriptindex mfid_OverlayDepth     ; mfid_OverlayDepth     := scriptindex "OverlayDepth"     ; vardef OverlayDepth     = runscript mfid_OverlayDepth         enddef ;
newscriptindex mfid_OverlayLineWidth ; mfid_OverlayLineWidth := scriptindex "OverlayLineWidth" ; vardef OverlayLineWidth = runscript mfid_OverlayLineWidth     enddef ;
newscriptindex mfid_OverlayOffset    ; mfid_OverlayOffset    := scriptindex "OverlayOffset"    ; vardef OverlayOffset    = runscript mfid_OverlayOffset        enddef ;
newscriptindex mfid_OverlayRegion    ; mfid_OverlayRegion    := scriptindex "OverlayRegion"    ; vardef OverlayRegion    = runscript mfid_OverlayRegion        enddef ;

immutable % permanent
  %  CurrentLayout, OverlayLineColor, OverlayColor,
    OverlayWidth, OverlayHeight, OverlayDepth, OverlayLineWidth, OverlayOffset, OverlayRegion ;

newscriptindex mfid_defaultcolormodel    ; mfid_defaultcolormodel    := scriptindex "defaultcolormodel"    ; vardef defaultcolormodel = runscript mfid_defaultcolormodel enddef ;

immutable % permanent
    defaultcolormodel ;

vardef LeftMarginWidth     = runscript mfid_LeftMarginWidth     enddef ;
vardef RightMarginWidth    = runscript mfid_RightMarginWidth    enddef ;
vardef LeftMarginDistance  = runscript mfid_LeftMarginDistance  enddef ;
vardef RightMarginDistance = runscript mfid_RightMarginDistance enddef ;

vardef LeftEdgeWidth       = runscript mfid_LeftEdgeWidth       enddef ;
vardef RightEdgeWidth      = runscript mfid_RightEdgeWidth      enddef ;
vardef LeftEdgeDistance    = runscript mfid_LeftEdgeDistance    enddef ;
vardef RightEdgeDistance   = runscript mfid_RightEdgeDistance   enddef ;

vardef BackSpace           = runscript mfid_BackSpace           enddef ;
vardef CutSpace            = runscript mfid_CutSpace            enddef ;

% better use:

vardef OuterMarginWidth    = if not OnRightPage : runscript mfid_LeftMarginWidth     else : runscript mfid_RightMarginWidth    fi enddef ;
vardef InnerMarginWidth    = if not OnRightPage : runscript mfid_RightMarginWidth    else : runscript mfid_LeftMarginWidth     fi enddef ;
vardef OuterMarginDistance = if not OnRightPage : runscript mfid_LeftMarginDistance  else : runscript mfid_RightMarginDistance fi enddef ;
vardef InnerMarginDistance = if not OnRightPage : runscript mfid_RightMarginDistance else : runscript mfid_LeftMarginDistance  fi enddef ;

vardef OuterEdgeWidth      = if not OnRightPage : runscript mfid_LeftEdgeWidth       else : runscript mfid_RightEdgeWidth      fi enddef ;
vardef InnerEdgeWidth      = if not OnRightPage : runscript mfid_RightEdgeWidth      else : runscript mfid_LeftEdgeWidth       fi enddef ;
vardef OuterEdgeDistance   = if not OnRightPage : runscript mfid_LeftEdgeDistance    else : runscript mfid_RightEdgeDistance   fi enddef ;
vardef InnerEdgeDistance   = if not OnRightPage : runscript mfid_RightEdgeDistance   else : runscript mfid_LeftEdgeDistance    fi enddef ;

vardef OuterSpaceWidth     = if not OnRightPage : runscript mfid_BackSpace           else : runscript mfid_CutSpace            fi enddef ;
vardef InnerSpaceWidth     = if not OnRightPage : runscript mfid_CutSpace            else : runscript mfid_BackSpace           fi enddef ;

% indices

vardef OuterMargin = if not OnRightPage : LeftMargin  else : RightMargin fi enddef ;
vardef InnerMargin = if not OnRightPage : RightMargin else : LeftMargin  fi enddef ;

vardef OuterEdge   = if not OnRightPage : LeftEdge    else : RightEdge   fi enddef ;
vardef InnerEdge   = if not OnRightPage : RightEdge   else : LeftEdge    fi enddef ;

immutable % permanent
    LeftMarginWidth, RightMarginWidth, LeftMarginDistance, RightMarginDistance,
    LeftEdgeWidth, RightEdgeWidth, LeftEdgeDistance, RightEdgeDistance, BackSpace,
    CutSpace, OuterMarginWidth, InnerMarginWidth, OuterMarginDistance,
    InnerMarginDistance, OuterEdgeWidth, InnerEdgeWidth, OuterEdgeDistance,
    InnerEdgeDistance, OuterSpaceWidth, InnerSpaceWidth, OuterMargin, InnerMargin,
    OuterEdge, InnerEdge ;

% see node-rul.*

% for the moment we put these here:

% string  RuleDirection ; RuleDirection := "" ;
% string  RuleOption    ; RuleOption    := "" ;
% numeric RuleWidth     ; RuleWidth     := 0 ;
% numeric RuleHeight    ; RuleHeight    := 0 ;
% numeric RuleDepth     ; RuleDepth     := 0 ;
% numeric RuleH         ; RuleH         := 0 ;
% numeric RuleV         ; RuleV         := 0 ;
% numeric RuleThickness ; RuleThickness := 0 ;
% numeric RuleFactor    ; RuleFactor    := 0 ;
% numeric RuleOffset    ; RuleOffset    := 0 ;
%                     def RuleColor      = (.5white) enddef ; % yet undecided, might become a string

newscriptindex mfid_RuleWidth     ; mfid_RuleWidth     := scriptindex "RuleWidth"     ; vardef RuleWidth     = runscript mfid_RuleWidth     enddef ;
newscriptindex mfid_RuleHeight    ; mfid_RuleHeight    := scriptindex "RuleHeight"    ; vardef RuleHeight    = runscript mfid_RuleHeight    enddef ;
newscriptindex mfid_RuleDepth     ; mfid_RuleDepth     := scriptindex "RuleDepth"     ; vardef RuleDepth     = runscript mfid_RuleDepth     enddef ;
newscriptindex mfid_RuleH         ; mfid_RuleH         := scriptindex "RuleH"         ; vardef RuleH         = runscript mfid_RuleH         enddef ;
newscriptindex mfid_RuleV         ; mfid_RuleV         := scriptindex "RuleV"         ; vardef RuleV         = runscript mfid_RuleV         enddef ;
newscriptindex mfid_RuleThickness ; mfid_RuleThickness := scriptindex "RuleThickness" ; vardef RuleThickness = runscript mfid_RuleThickness enddef ;
newscriptindex mfid_RuleOffset    ; mfid_RuleOffset    := scriptindex "RuleOffset"    ; vardef RuleOffset    = runscript mfid_RuleOffset    enddef ;
newscriptindex mfid_RuleDirection ; mfid_RuleDirection := scriptindex "RuleDirection" ; vardef RuleDirection = runscript mfid_RuleDirection enddef ;
newscriptindex mfid_RuleFactor    ; mfid_RuleFactor    := scriptindex "RuleFactor"    ; vardef RuleFactor    = runscript mfid_RuleFactor    enddef ;
newscriptindex mfid_RuleOption    ; mfid_RuleOption    := scriptindex "RuleOption"    ; vardef RuleOption    = runscript mfid_RuleOption    enddef ;
newscriptindex mfid_RuleColor     ; mfid_RuleColor     := scriptindex "RuleColor"     ;    def RuleColor     = runscript (mfid_RuleColor)   enddef ;

immutable % permanent
    RuleWidth, RuleHeight, RuleDepth, RuleH, RuleV, RuleThickness, RuleOffset,
    RuleDirection, RuleFactor, RuleOption, RuleColor ;

def FakeWord(expr RuleWidth, RuleHeight, RuleDepth, RuleThickness) (text RuleColor) =
    fill unitsquare
        xscaled RuleWidth
        yscaled (RuleDepth-RuleThickness/2)
        withcolor RuleColor ;
    fill unitsquare
        xscaled RuleWidth
        yscaled (RuleHeight-RuleDepth-RuleThickness/2)
        shifted (0,RuleDepth+RuleThickness)
        withcolor RuleColor ;
enddef ;

def FakeRule(expr RuleWidth, RuleHeight, RuleDepth, RuleThickness) (text RuleColor) =
    fill unitsquare
        xscaled RuleWidth
        yscaled RuleHeight
        withcolor RuleColor ;
enddef ;

permanent
    FakeWord, FakeRule ;

% see typo-ada.*

newscriptindex mfid_AdaptiveWidth     ; mfid_AdaptiveWidth     := scriptindex "AdaptiveWidth"     ; vardef AdaptiveWidth     = runscript mfid_AdaptiveWidth     enddef ;
newscriptindex mfid_AdaptiveHeight    ; mfid_AdaptiveHeight    := scriptindex "AdaptiveHeight"    ; vardef AdaptiveHeight    = runscript mfid_AdaptiveHeight    enddef ;
newscriptindex mfid_AdaptiveDepth     ; mfid_AdaptiveDepth     := scriptindex "AdaptiveDepth"     ; vardef AdaptiveDepth     = runscript mfid_AdaptiveDepth     enddef ;
newscriptindex mfid_AdaptiveThickness ; mfid_AdaptiveThickness := scriptindex "AdaptiveThickness" ; vardef AdaptiveThickness = runscript mfid_AdaptiveThickness enddef ;
newscriptindex mfid_AdaptiveColor     ; mfid_AdaptiveColor     := scriptindex "AdaptiveColor"     ; vardef AdaptiveColor     = runscript mfid_AdaptiveColor     enddef ;

immutable % permanent
    AdaptiveWidth, AdaptiveHeight, AdaptiveDepth, AdaptiveThickness, AdaptiveColor ;