paragraphElement.cs :  » PDF » SharpPDF » sharpPDF » Elements » C# / CSharp Open Source

using System;
using System.Text;
using System.Collections;

using sharpPDF.Collections;
using sharpPDF.Exceptions;
using sharpPDF.Enumerators;
using sharpPDF.Fonts;

namespace sharpPDF.Elements{
  /// <summary>
  /// A Class that implements a PDF paragraph.
  /// </summary>
  public sealed class paragraphElement : pdfElement
  {
    private paragraphLineList _content;
    private int _fontSize;    
    private int _lineHeight;
    private pdfAbstractFont _fontType;    

    /// <summary>
    /// Class's constructor
    /// </summary>
    /// <param name="newContent">Text of the paragraph</param>
    /// <param name="paragraphWidth">Width of the paragraph</param>
    /// <param name="lineHeight">Height of a single line</param>
    /// <param name="newFontSize">Font's size</param>
    /// <param name="newFontType">Font's type</param>
    /// <param name="newCoordX">X position in the PDF document</param>
    /// <param name="newCoordY">Y position in the PDF document</param>
    public paragraphElement(paragraphLineList newContent, int paragraphWidth, int lineHeight, int newFontSize, pdfAbstractFont newFontType, int newCoordX, int newCoordY):this(newContent, paragraphWidth, lineHeight, newFontSize, newFontType, newCoordX, newCoordY, pdfColor.Black)
    {
    }

    /// <summary>
    /// Class's constructor
    /// </summary>
    /// <param name="newContent">Text of the paragraph</param>
    /// <param name="paragraphWidth">Width of the paragraph</param>
    /// <param name="lineHeight">Height of a single line</param>
    /// <param name="newFontSize">Font's size</param>
    /// <param name="newFontType">Font's type</param>
    /// <param name="newCoordX">X position in the PDF document</param>
    /// <param name="newCoordY">Y position in the PDF document</param>
    /// <param name="newStrokeColor">Font's color</param>
    public paragraphElement(paragraphLineList newContent, int paragraphWidth, int lineHeight, int newFontSize, pdfAbstractFont newFontType, int newCoordX, int newCoordY, pdfColor newStrokeColor)
    {
      _content = newContent;
      _fontSize = newFontSize;
      _fontType = newFontType;
      _coordX = newCoordX;
      _coordY = newCoordY;
      _strokeColor = newStrokeColor;
      _width = paragraphWidth;
      _height = lineHeight * newContent.Count;
      _lineHeight = lineHeight;      
    }

    /// <summary>
    /// IEnumerable interface that contains paragraph's lines
    /// </summary>
    public paragraphLineList content
    {
      get
      {
        return _content;
      }

      set
      {
        _content = value;
      }

    }

    /// <summary>
    /// Font's size
    /// </summary>
    public int fontSize
    {
      get
      {
        return _fontSize;
      }

      set
      {
        _fontSize = value;
      }
    }

    /// <summary>
    /// Font's type
    /// </summary>
    public pdfAbstractFont fontType
    {
      get
      {
        return fontType;
      }

      set
      {
        _fontType = value;
      }
    }

    /// <summary>
    /// Method that returns the PDF codes to write the paragraph in the document
    /// </summary>
    /// <returns>String that contains PDF codes</returns>
    public override string getText()
    {
      StringBuilder resultText = new StringBuilder();
      StringBuilder hexContent = new StringBuilder();
      resultText.Append(_objectID.ToString() + " 0 obj" + Convert.ToChar(13) + Convert.ToChar(10));
            resultText.Append("<<" + Convert.ToChar(13) + Convert.ToChar(10));
            resultText.Append("/Filter [/ASCIIHexDecode]" + Convert.ToChar(13) + Convert.ToChar(10));
      hexContent.Append("q" + Convert.ToChar(13) + Convert.ToChar(10));
            hexContent.Append("BT" + Convert.ToChar(13) + Convert.ToChar(10));
            hexContent.Append("/F" + _fontType.fontNumber.ToString() + " " + _fontSize.ToString() + " Tf" + Convert.ToChar(13) + Convert.ToChar(10));
            if(_strokeColor.isColor())
        hexContent.Append(_strokeColor.rColor + " " + _strokeColor.gColor + " " + _strokeColor.bColor + " rg" + Convert.ToChar(13) + Convert.ToChar(10));            
            hexContent.Append(_coordX.ToString() + " " + _coordY.ToString() + " Td" + Convert.ToChar(13) + Convert.ToChar(10));
      hexContent.Append("14 TL" + Convert.ToChar(13) + Convert.ToChar(10));
      foreach (paragraphLine line in _content) {
          hexContent.Append(line.getText());
      }
            hexContent.Append("ET" + Convert.ToChar(13) + Convert.ToChar(10));
            hexContent.Append("Q" + Convert.ToChar(13) + Convert.ToChar(10));
      resultText.Append("/Length " + ((hexContent.Length * 2) + 1).ToString() + Convert.ToChar(13) + Convert.ToChar(10));
            resultText.Append(">>" + Convert.ToChar(13) + Convert.ToChar(10));
            resultText.Append("stream" + Convert.ToChar(13) + Convert.ToChar(10));
      resultText.Append(textAdapter.HEXFormatter(hexContent.ToString()) + ">" + Convert.ToChar(13) + Convert.ToChar(10));      
            resultText.Append("endstream" + Convert.ToChar(13) + Convert.ToChar(10));            
            resultText.Append("endobj" + Convert.ToChar(13) + Convert.ToChar(10));
      hexContent = null;
      return resultText.ToString();
    }

    /// <summary>
    /// Method that clones the element
    /// </summary>
    /// <returns>Cloned object</returns>
    public override object Clone()
    {
      paragraphLineList newContent = new paragraphLineList();
      foreach(paragraphLine myLine in this._content)
      {
        newContent.Add((paragraphLine)myLine.Clone());
      }
      return new paragraphElement(newContent, this._width, this._lineHeight, this._fontSize, this._fontType, this._coordX, this._coordY, (pdfColor)this._strokeColor.Clone());
    }
  }
}