116 lines
2.6 KiB
ObjectPascal
116 lines
2.6 KiB
ObjectPascal
unit XFormMan;
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interface
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uses
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BaseVariation;
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const
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NRLOCVAR = 27;
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function NrVar: integer;
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function Varnames(const index: integer): String;
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procedure RegisterVariation(Variation: TBaseVariationClass);
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function GetNrRegisteredVariations: integer;
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function GetRegisteredVariation(const Index: integer): TBaseVariationClass;
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function GetNrVariableNames: integer;
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function GetVariableNameAt(const Index: integer): string;
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implementation
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uses
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Classes;
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var
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VariationList: TList;
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VariableNames: TStringlist;
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///////////////////////////////////////////////////////////////////////////////
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function NrVar: integer;
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begin
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Result := NRLOCVAR + VariationList.Count;
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end;
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///////////////////////////////////////////////////////////////////////////////
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function Varnames(const index: integer): String;
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const
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cvarnames: array[0..NRLOCVAR-1] of string = (
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'linear',
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'sinusoidal',
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'spherical',
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'swirl',
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'horseshoe',
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'polar',
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'handkerchief',
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'heart',
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'disc',
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'spiral',
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'hyperbolic',
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'diamond',
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'ex',
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'julia',
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'bent',
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'waves',
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'fisheye',
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'popcorn',
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'exponential',
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'power',
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'cosine',
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'rings',
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'fan',
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'eyefish',
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'bubble',
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'cylinder',
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'smoke'
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);
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begin
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if Index < NRLOCVAR then
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Result := cvarnames[Index]
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else
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Result := TBaseVariationClass(VariationList[Index - NRLOCVAR]).GetName;
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end;
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///////////////////////////////////////////////////////////////////////////////
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procedure RegisterVariation(Variation: TBaseVariationClass);
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var
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i: integer;
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begin
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VariationList.Add(Variation);
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for i := 0 to Variation.GetNrVariables - 1 do
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VariableNames.Add(Variation.GetVariableNameAt(i))
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end;
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///////////////////////////////////////////////////////////////////////////////
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function GetNrRegisteredVariations: integer;
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begin
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Result := VariationList.count;
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end;
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///////////////////////////////////////////////////////////////////////////////
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function GetRegisteredVariation(const Index: integer): TBaseVariationClass;
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begin
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Result := TBaseVariationClass(VariationList[Index]);
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end;
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///////////////////////////////////////////////////////////////////////////////
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function GetNrVariableNames: integer;
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begin
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Result := VariableNames.Count;
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end;
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///////////////////////////////////////////////////////////////////////////////
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function GetVariableNameAt(const Index: integer): string;
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begin
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Result := VariableNames[Index];
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end;
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///////////////////////////////////////////////////////////////////////////////
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initialization
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VariationList := TList.Create;
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VariableNames := TStringlist.create;
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finalization
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VariableNames.Free;
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VariationList.Free;
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end.
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