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unit plottext; |
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{$IFDEF FPC} |
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{$MODE DELPHI}{$H+} |
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{$ENDIF} |
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(***************************************) |
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(* Copyright (C) 2009, SHIRAISHI Kazuo *) |
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(***************************************) |
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|
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|
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interface |
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var |
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TextPhysicalCoordinate:boolean = false; |
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|
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|
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implementation |
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uses SysUtils,Classes, |
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listcoll,base,base0,texthand,variabl,struct,express, print,format, |
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affine,draw,graphic,helpctex{,using},graphsys,graphlib; |
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|
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type |
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TSetTextJustify=class(TStatement) |
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exp1:TPrincipal; |
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exp2:TPrincipal; |
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constructor create(prev,eld:TStatement); |
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destructor destroy;override; |
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//procedure exec;override; |
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function code:ansistring;override; |
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end; |
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|
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constructor TSetTextJustify.create(prev,eld:TStatement); |
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begin |
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inherited create(prev,eld); |
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exp1:=SExpression; |
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check(',',IDH_SET_TEXT_JUSTIFY); |
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exp2:=SExpression; |
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end; |
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|
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destructor TSetTextJustify.destroy; |
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begin |
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exp1.free; |
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exp2.free; |
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inherited destroy |
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end; |
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|
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(* |
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procedure TSetTextJustify.exec; |
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var |
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s1,s2:ansistring; |
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begin |
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s1:=exp1.evalS; |
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s2:=exp2.evalS; |
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|
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s1:=ansiUpperCase(s1); |
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s2:=ansiUpperCase(s2); |
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|
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SetTextJustify(s1,s2, insideOfWhen); |
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|
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end; |
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*) |
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function SetTextJustifyst(prev,eld:TStatement):TStatement;far; |
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begin |
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SetTextJustifyst:=TSetTextJustify.create(prev,eld) |
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end; |
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|
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|
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type |
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TPlotText=class(TStatement) |
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exp1,exp2,exp3:TPrincipal; |
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image:TPrincipal; |
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items:TListCollection; |
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GraphStm:boolean; |
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LabelStm:boolean; |
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LettersStm:boolean; |
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|
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constructor create(prev,eld:TStatement); |
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destructor destroy;override; |
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//procedure exec;override; |
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function Code:ansistring;override; |
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private |
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//function formatted:ansistring; |
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end; |
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|
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|
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function PlotTextst(prev,eld:TStatement):TStatement;far; |
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begin |
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PlotTextst:=TPlotText.create(prev,eld); |
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end; |
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|
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|
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|
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constructor TPLotText.create(prev,eld:TStatement); //2011.3.5 |
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begin |
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inherited create(prev,eld); |
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GraphStm:=(prevToken='GRAPH'); |
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LabelStm:=(Token='LABEL'); |
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LettersStm:=(Token='LETTERS') or TextPhysicalCoordinate and not LabelStm; |
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gettoken; |
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check(',',IDH_TEXT); |
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check('AT',IDH_TEXT); |
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exp1:=NEXpression; |
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if (programunit.Arithmetic=PrecisionComplex) |
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and ((token=':') or (token=',') and (nexttoken='USING') |
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and not((nextnexttoken=',') or (nextnexttoken=':'))) then |
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// ������������ |
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else |
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begin |
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check(',',IDH_TEXT); |
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exp2:=NExpression; |
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end; |
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if test(',') then |
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begin |
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CheckToken('USING',IDH_TEXT); |
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image:=ImageRef; |
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checkToken(':',IDH_PRINT_USING); |
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items:=TListCollection.create; |
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repeat |
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items.insert(NSExpression); |
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until test(',')=false; |
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end |
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else |
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begin |
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check(':',IDH_TEXT); |
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exp3:=SExpression; |
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end; |
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end; |
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|
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|
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|
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destructor TPLotText.destroy; |
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begin |
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exp1.free; |
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exp2.free; |
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exp3.free; |
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items.free; |
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image.free; |
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inherited destroy |
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end; |
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|
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|
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(* |
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procedure TPlotText.exec; |
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var |
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n,m:extended; |
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s:ansistring; |
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begin |
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with MyGraphSys do |
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if BeamMode=bmRigorous then beam:=false; |
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n:=exp1.evalX; |
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m:=exp2.evalX; |
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if exp3<>nil then |
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s:=exp3.evalS |
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else |
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s:=Formatted; |
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if GraphStm then |
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MyGraphSys.puttext(n,m,s) |
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else if currentTransform.transform(n,m) then |
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if LabelStm then |
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MyGraphSys.puttext(n,m,s) |
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else |
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MyGraphSys.Plottext(n,m,s) |
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end; |
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*) |
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|
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(* |
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function TPlotText.formatted:ansistring; |
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var |
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form:ansistring; |
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c,i,code:integer; |
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begin |
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result:=''; |
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if image<>nil then |
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form:=image.evalS; |
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i:=1; |
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result:=literals(form,i); |
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c:=0; |
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while (c<items.count) do |
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begin |
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result:=result + TPrincipal(items.items[c]).format(form,i,code); |
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inc(c); |
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result:=result +literals(form,i) |
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end; |
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end; |
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*) |
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|
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function TPlotText.Code:ansistring; |
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var |
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c:integer; |
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s:ansistring; |
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begin |
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if exp2<>nil then |
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if exp3<>nil then |
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begin |
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if GraphStm then |
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if LabelStm then |
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result:='GraphLabel('+exp1.code+','+exp2.code+','+exp3.code+');' |
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else |
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result:='GraphText('+exp1.code+','+exp2.code+','+exp3.code+');' |
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else |
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if LabelStm then |
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result:='PlotLabel('+exp1.code+','+exp2.code+','+exp3.code+');' |
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else if LettersStm then |
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result:='PlotLetters('+exp1.code+','+exp2.code+','+exp3.code+');' |
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else |
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result:='PlotText('+exp1.code+','+exp2.code+','+exp3.code+');' |
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end |
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else |
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begin |
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if GraphStm then |
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if LabelStm then |
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result:='GraphLabelUsing('+exp1.code+','+exp2.code+','+image.code +',[' |
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else |
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result:='GraphTextUsing('+exp1.code+','+exp2.code+','+image.code +',[' |
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else |
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if LabelStm then |
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result:='PlotLabelUsing('+exp1.code+','+exp2.code+','+image.code +',[' |
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else if LettersStm then |
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result:='PlotLettersUsing('+exp1.code+','+exp2.code+','+image.code +',[' |
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else |
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result:='PlotTextUsing('+exp1.code+','+exp2.code+','+image.code +',['; |
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|
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for c:=0 to items.count-1 do |
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begin |
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if c>0 then result:=result+','; |
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s:=TPrincipal(items.items[c]).code; |
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if (TPrincipal(items.items[c]).kind='n') and (PUnit.Arithmetic=precisionComplex) then |
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s:='testreal('+s+')'; |
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result:=result+s; |
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end; |
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result:=result+']);' |
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end |
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else |
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if exp3<>nil then |
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begin |
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if GraphStm then |
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if LabelStm then |
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result:='GraphLabelComplex('+exp1.code+','+exp3.code+');' |
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else |
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result:='GraphTextComplex('+exp1.code+','+exp3.code+');' |
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else |
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if LabelStm then |
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result:='PlotLabelComplex('+exp1.code+','+exp3.code+');' |
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else if LettersStm then |
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result:='PlotLettersComplex('+exp1.code+','+exp3.code+');' |
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else |
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result:='PlotTextComplex('+exp1.code+','+exp3.code+');' |
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end |
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else |
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begin |
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if GraphStm then |
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if LabelStm then |
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result:='GraphLabelUsingComplex('+exp1.code+','+image.code +',[' |
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else |
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result:='GraphTextUsingComplex('+exp1.code+','+image.code +',[' |
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else |
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if LabelStm then |
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result:='PlotLabelUsingComplex('+exp1.code+','+image.code +',[' |
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else if LettersStm then |
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result:='PlotLettersUsingComplex('+exp1.code+','+image.code +',[' |
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else |
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result:='PlotTextUsingComplex('+exp1.code+','+image.code +',['; |
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|
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for c:=0 to items.count-1 do |
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begin |
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if c>0 then result:=result+','; |
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s:=TPrincipal(items.items[c]).code; |
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if (TPrincipal(items.items[c]).kind='n') and (PUnit.Arithmetic=precisionComplex) then |
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s:='testreal('+s+')'; |
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result:=result+s; |
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end; |
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result:=result+']);' |
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end |
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end; |
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|
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|
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function TSetTextJustify.code:ansistring; |
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begin |
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result:='SetTextJustify('+exp1.code+','+exp2.code+','+TruthLiteral(insideofwhen)+');' |
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end; |
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|
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|
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|
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begin |
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graphic.settextjustifyst:=settextjustifyst; |
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graphic.plottextst:=plottextst; |
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end. |
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