/// <summary>
/// Creates a background with a specified color, and extra space that
/// must be counted as part of the background and therefore colored.
/// </summary>
/// <remarks>
/// Creates a background with a specified color, and extra space that
/// must be counted as part of the background and therefore colored.
/// These values are allowed to be negative.
/// </remarks>
/// <param name="color">the background color</param>
/// <param name="opacity">the opacity of the background color; a float between 0 and 1, where 1 stands for fully opaque color and 0 - for fully transparent
/// </param>
/// <param name="extraLeft">extra coloring to the left side</param>
/// <param name="extraTop">extra coloring at the top</param>
/// <param name="extraRight">extra coloring to the right side</param>
/// <param name="extraBottom">extra coloring at the bottom</param>
public Background(Color color, float opacity, float extraLeft, float extraTop, float extraRight, float extraBottom
)
{
this.transparentColor = new TransparentColor(color, opacity);
this.extraLeft = extraLeft;
this.extraRight = extraRight;
this.extraTop = extraTop;
this.extraBottom = extraBottom;
}
/// <summary>Creates an Underline.</summary>
/// <remarks>
/// Creates an Underline. Both the thickness and vertical positioning under
/// the text element's base line can be set to a fixed value, or a variable
/// one depending on the element's font size.
/// If you want a fixed-width thickness, set <c>thicknessMul</c> to 0;
/// if you want a thickness solely dependent on the font size, set
/// <c>thickness</c> to 0.
/// Mutatis mutandis for the y-position.
/// </remarks>
/// <param name="color">
/// the
/// <see cref="iText.Kernel.Colors.Color"/>
/// of the underline
/// </param>
/// <param name="opacity">a float defining the opacity of the underline; a float between 0 and 1, where 1 stands for fully opaque color and 0 - for fully transparent
/// </param>
/// <param name="thickness">a float defining the minimum thickness in points of the underline</param>
/// <param name="thicknessMul">a float defining the font size dependent component of the thickness of the underline
/// </param>
/// <param name="yPosition">a float defining the default absolute vertical distance in points from the text's base line
/// </param>
/// <param name="yPositionMul">a float defining the font size dependent component of the vertical positioning of the underline
/// </param>
/// <param name="lineCapStyle">
/// the way the underline finishes at its edges.
/// <see cref="iText.Kernel.Pdf.Canvas.PdfCanvasConstants.LineCapStyle"/>
/// </param>
public Underline(Color color, float opacity, float thickness, float thicknessMul, float yPosition, float yPositionMul
, int lineCapStyle)
{
this.transparentColor = new TransparentColor(color, opacity);
this.thickness = thickness;
this.thicknessMul = thicknessMul;
this.yPosition = yPosition;
this.yPositionMul = yPositionMul;
this.lineCapStyle = lineCapStyle;
}