pdfFontFactory.cs :  » PDF » SharpPDF » sharpPDF » Fonts » C# / CSharp Open Source

using System;

using sharpPDF;
using sharpPDF.Enumerators;
using sharpPDF.Exceptions;
using sharpPDF.Fonts.AFM;
using sharpPDF.Fonts.TTF;

namespace sharpPDF.Fonts{
  /// <summary>
  /// Class that represents a Font Factory
  /// </summary>
  internal abstract class pdfFontFactory
  {

    private readonly static string[] predefinedFontName = {"None","Helvetica","Helvetica-Bold","Helvetica-Oblique","Helvetica-BoldOblique","Courier","Courier-Bold","Courier-Oblique","Courier-BoldOblique","Times-Roman","Times-Bold","Times-Italic","Times-BoldItalic"};
    
    /// <summary>
    /// Method that returns an abstract font object[pdfAbstractFont Factory]
    /// </summary>
    /// <param name="fontReference">Font Name(for predefined fonts) or Font File</param>
    /// <param name="fontNumber">Number of the font inside the PDF</param>
    /// <param name="fontType">Type of the font</param>
    /// <returns>Abstract Font Object</returns>
    public static pdfAbstractFont getFontObject(string fontReference, int fontNumber, documentFontType fontType )
    {
      pdfAbstractFont fontObject = null;      
      FontReader fontReader = getFontReader(fontReference, fontType);  
      switch (fontType) {
        case documentFontType.csPredefinedfont:
        default:
          fontObject = new pdfPredefinedFont(fontReader.getFontDefinition(), fontNumber, documentFontEncoding.csWinAnsiEncoding);
          break;
        case documentFontType.csTrueTypeFont:
          fontObject = new pdfTrueTypeFont(fontReader.getFontDefinition(), fontNumber, documentFontEncoding.csIdentityH, fontReference);
          break;
      }
      fontReader = null;      
      return fontObject;
    }    

    /// <summary>
    /// Method that returns a generic font reader[FontReader Factory]
    /// </summary>
    /// <param name="fontReference">Font Name(for predefined fonts) or Font File</param>
    /// <param name="fontType">Type of the font</param>
    /// <returns>Generic Font Reader Object</returns>
    private static FontReader getFontReader(string fontReference, documentFontType fontType)
    {      
      FontReader fontReader;
      switch (fontType) {
        case documentFontType.csPredefinedfont:
        default:
          fontReader = new afmFontReader(fontReference);        
          break;
        case documentFontType.csTrueTypeFont:
          fontReader = new ttfFontReader(fontReference);
          break;
      }
      return fontReader;
    }

    /// <summary>
    /// Method that returns that font name for a predefined font
    /// </summary>
    /// <param name="fontStyle">Font style</param>
    /// <returns>Predefined font name</returns>
    public static string getPredefinedFontName(predefinedFont fontStyle)
    {
      return pdfFontFactory.predefinedFontName[Convert.ToInt32(fontStyle)];
    }

    /// <summary>
    /// Method that returns if the font reference is a predefined font
    /// </summary>
    /// <param name="fontReference">Font Reference</param>
    /// <returns>Boolean value that shows if the font reference is a predefined font</returns>
    public static bool isPredefinedFont(string fontReference)
    {      
      return ((fontReference == "Helvetica") ||
          (fontReference == "Helvetica-Bold") ||
          (fontReference == "Helvetica-Oblique") ||
          (fontReference == "Helvetica-BoldOblique") ||
          (fontReference == "Courier") ||
          (fontReference == "Courier-Bold") ||
          (fontReference == "Courier-Oblique") ||
          (fontReference == "Courier-BoldOblique") ||
          (fontReference == "Times-Roman") ||
          (fontReference == "Times-Bold") ||
          (fontReference == "Times-Italic") ||
          (fontReference =="Times-BoldItalic"));
    }
  }
}