public static PdfPCell ParseToPdfParagraph(LinearSimultaneousEquations equations, bool showAnswers)
{
var firstParsed = ParseLinearEquationToString(equations.Coefficients[0]);
var secondParsed = ParseLinearEquationToString(equations.Coefficients[0]);
var firstEquation = new Chunk(firstParsed);
var secondEquation = new Chunk(secondParsed);
var question = new Paragraph
{
firstEquation,
secondEquation
};
question.SpacingAfter = 100;
var answerArea = CreateAnswerArea(equations, showAnswers);
var questionAndAnswer = new PdfPCell();
questionAndAnswer.AddElement(question);
questionAndAnswer.AddElement(answerArea);
questionAndAnswer.BorderColor = BaseColor.White;
return(questionAndAnswer);
}
public static string ParseToString(LinearSimultaneousEquations equations)
{
var firstParsed = ParseLinearEquationToString(equations.Coefficients[0]);
var secondParsed = ParseLinearEquationToString(equations.Coefficients[0]);
return($"{firstParsed}\n{secondParsed}=0\nx={equations.Solution.FirstSolution}, y={equations.Solution.SecondSolution}");
}
private static Paragraph CreateAnswerArea(LinearSimultaneousEquations equations, bool showAnswers)
{
var xAnswer = showAnswers ? Math.Round(equations.Solution.FirstSolution, 2).ToString() : "........";
var yAnswer = showAnswers ? Math.Round(equations.Solution.FirstSolution, 2).ToString() : "........";
var answerArea = new Paragraph($"Answer: x={xAnswer}, y={yAnswer}");
answerArea.Alignment = Element.ALIGN_RIGHT;
return(answerArea);
}
