/// <summary>
/// Writes the specified value to the PDF stream.
/// </summary>
public void Write(PdfName value)
{
WriteSeparator(CharCat.Delimiter, '/');
string name = value.Value;
StringBuilder pdf = new StringBuilder("/");
for (int idx = 1; idx < name.Length; idx++)
{
char ch = name[idx];
Debug.Assert(ch < 256);
if (ch > ' ')
switch (ch)
{
// TODO: is this all?
case '%':
case '/':
case '<':
case '>':
case '(':
case ')':
case '#':
break;
default:
pdf.Append(name[idx]);
continue;
}
pdf.AppendFormat("#{0:X2}", (int)name[idx]);
}
WriteRaw(pdf.ToString());
this.lastCat = CharCat.Character;
}
internal int GetEnumFromName(string key, object defaultValue, bool create)
{
if (!(defaultValue is Enum))
throw new ArgumentException("defaultValue");
object obj = this[key];
if (obj == null)
{
if (create)
this[key] = new PdfName(defaultValue.ToString());
return (int)defaultValue;
}
Debug.Assert(obj is Enum);
return (int)Enum.Parse(defaultValue.GetType(), obj.ToString().Substring(1));
}
internal override void WriteObject(PdfWriter writer)
{
if (this.pdfRenderer != null)
{
// GetContent also disposes the underlying XGraphics object, if one exists
//Stream = new PdfStream(PdfEncoders.RawEncoding.GetBytes(this.pdfRenderer.GetContent()), this);
this.pdfRenderer.Close();
Debug.Assert(this.pdfRenderer == null);
}
if (Stream != null)
{
if (this.Owner.Options.CompressContentStreams)
{
Stream.Value = Filtering.FlateDecode.Encode(Stream.Value);
Elements["/Filter"] = new PdfName("/FlateDecode");
}
Elements.SetInteger("/Length", Stream.Length);
}
base.WriteObject(writer);
}
/// <summary>
/// Sets the specified name value.
/// If the value doesn't start with a slash, it is added automatically.
/// </summary>
public void SetName(string key, string value)
{
if (value == null)
throw new ArgumentNullException("value");
if (value.Length == 0 || value[0] != '/')
value = "/" + value;
this[key] = new PdfName(value);
}
/// <summary>
/// Writes a key/value pair of this dictionary. This function is intended to be overridden
/// in derived classes.
/// </summary>
internal virtual void WriteDictionaryElement(PdfWriter writer, PdfName key)
{
if (key == null)
throw new ArgumentNullException("key");
PdfItem item = Elements[key];
#if DEBUG
// TODO: simplify PDFsharp
if (item is PdfObject && ((PdfObject)item).IsIndirect)
{
// Replace an indirect object by its Reference
item = ((PdfObject)item).Reference;
Debug.Assert(false, "Check when we come here.");
}
#endif
key.WriteObject(writer);
item.WriteObject(writer);
writer.NewLine();
}
/// <summary>
/// Gets or sets an entry in the dictionary identified by a PdfName object.
/// </summary>
public PdfItem this[PdfName key]
{
get { return (PdfItem)((IDictionary)this)[key.Value]; }
set
{
if (value == null)
throw new ArgumentNullException("value");
#if DEBUG
if (value is PdfDictionary)
{
PdfDictionary dict = (PdfDictionary)value;
if (dict.stream != null)
throw new ArgumentException("A dictionary with stream cannot be a direct value.");
}
#endif
PdfObject obj = value as PdfObject;
if (obj != null && obj.IsIndirect)
{
((IDictionary)this)[key] = obj.Reference;
return;
}
((IDictionary)this)[key.Value] = value;
}
}
/// <summary>
/// Gets or sets an entry in the dictionary identified by a PdfName object.
/// </summary>
public PdfItem this[PdfName key]
{
get { return (PdfItem)((IDictionary)this)[key.Value]; }
set { ((IDictionary)this)[key.Value] = value; }
}
/// <summary>
/// Writes a key/value pair of this dictionary. This function is intended to be overridden
/// in derived classes.
/// </summary>
internal virtual void WriteDictionaryElement(PdfWriter writer, PdfName key)
{
if (key == null)
throw new ArgumentNullException("key");
PdfItem item = Elements[key];
key.WriteObject(writer);
item.WriteObject(writer);
writer.NewLine();
}
