/// <summary>
/// Sets the size properties of a MathematicsLine element.
/// </summary>
/// <param name="mathematicsLine"></param>
public void SetMathematicsLineSize(MathematicsLine mathematicsLine)
{
if (mathematicsLine.Elements.Any())
{
var elements = mathematicsLine.Elements.ToArray();
Element elementM = null;
Element elementN = null;
Length maximumContentHeight = 0;
// Add the width of the first element's left margin.
mathematicsLine.SizeOfContent.Width += elements.First().OuterMargin.Left;
for (var n = 0; n < elements.Length; n++)
{
elementN = elements[n];
SetElementSize(elementN);
// Add the width of the current element.
mathematicsLine.SizeOfContent.Width += elementN.SizeIncludingBorder.Width;
if (n > 0)
{
elementM = elements[n - 1];
// Add the spacing of the margins of the current element and the previous element.
mathematicsLine.SizeOfContent.Width += ChooseGreaterLength(elementM.OuterMargin.Right, elementN.OuterMargin.Left);
}
// If this element is taller, update the maximum content height.
if (elementN.OuterHeight > maximumContentHeight)
{
maximumContentHeight = elementN.OuterHeight;
}
}
// Add the width of the last element's right margin.
mathematicsLine.SizeOfContent.Width += elements.Last().OuterMargin.Right;
mathematicsLine.SizeOfContent.Height = maximumContentHeight;
}
else
{
mathematicsLine.SizeOfContent = 0;
}
SetSizesOfElement(mathematicsLine);
var centreAlignmentPoint = new Position();
centreAlignmentPoint.X = mathematicsLine.OuterWidth / 2;
centreAlignmentPoint.Y = mathematicsLine.OuterHeight / 2;
mathematicsLine.CentreAlignmentPoint = centreAlignmentPoint;
}
protected void ExportMathematicsLine(Graphics graphics, MathematicsLine mathematicsLine)
{
foreach (var element in mathematicsLine.Elements)
{
ExportElement(graphics, element);
}
if (mathematicsLine.DrawConstructionLines == true)
{
DrawConstructionLines(graphics, mathematicsLine.Position, mathematicsLine.SizeIncludingOuterMargin);
}
}
public void SetMathematicsLinePosition(Position containerOrigin, MathematicsLine mathematicsLine)
{
mathematicsLine.Position = containerOrigin;
containerOrigin.X += mathematicsLine.OuterMargin.Left + mathematicsLine.Border.Width + mathematicsLine.InnerMargin.Left;
containerOrigin.Y += mathematicsLine.OuterMargin.Top + mathematicsLine.Border.Width + mathematicsLine.InnerMargin.Top;
var elements = mathematicsLine.Elements.ToArray();
for (var m = 0; m < elements.Length; m++)
{
var elementM = elements[m];
containerOrigin.Y = mathematicsLine.Position.Y + mathematicsLine.OuterMargin.Top + mathematicsLine.Border.Width + mathematicsLine.InnerMargin.Top + mathematicsLine.SizeOfContent.Height / 2;
var elementYOffset = elementM.CentreAlignmentPoint.Y;
containerOrigin.Y -= elementYOffset;
SetElementPosition(containerOrigin, elementM);
containerOrigin.Y += elementYOffset;
if (m < elements.Length - 1)
{
var elementN = elements[m + 1];
var separation = ChooseGreaterLength(elementM.OuterMargin.Right, elementN.OuterMargin.Left);
containerOrigin.X += elementM.OuterWidth - elementM.OuterMargin.Right + separation - elementN.OuterMargin.Left;
}
else
{
containerOrigin.X += elementM.OuterWidth;
}
}
}
public BracketExpression() : base()
{
Type = BracketType.Curve;
InnerExpression = new MathematicsLine();
}
public SquareRoot() : base()
{
InnerExpression = new MathematicsLine();
}
