internal ByteStore(PrStream str)
{
var bb = new ByteBuffer();
var level = 100;
serObject(str, level, bb);
_b = bb.ToByteArray();
}
/// <summary>
/// Gets the content stream of a page as a PdfStream object.
/// @since 2.1.3 (the method already existed without param compressionLevel)
/// </summary>
/// <param name="pageNumber">the page of which you want the stream</param>
/// <param name="compressionLevel">the compression level you want to apply to the stream</param>
/// <returns>a PdfStream object</returns>
internal PdfStream GetFormXObject(int pageNumber, int compressionLevel)
{
var page = reader.GetPageNRelease(pageNumber);
var contents = PdfReader.GetPdfObjectRelease(page.Get(PdfName.Contents));
var dic = new PdfDictionary();
byte[] bout = null;
if (contents != null)
{
if (contents.IsStream())
{
dic.Merge((PrStream)contents);
}
else
{
bout = reader.GetPageContent(pageNumber, File);
}
}
else
{
bout = new byte[0];
}
dic.Put(PdfName.Resources, PdfReader.GetPdfObjectRelease(page.Get(PdfName.Resources)));
dic.Put(PdfName.TYPE, PdfName.Xobject);
dic.Put(PdfName.Subtype, PdfName.Form);
var impPage = (PdfImportedPage)ImportedPages[pageNumber];
dic.Put(PdfName.Bbox, new PdfRectangle(impPage.BoundingBox));
var matrix = impPage.Matrix;
if (matrix == null)
{
dic.Put(PdfName.Matrix, Identitymatrix);
}
else
{
dic.Put(PdfName.Matrix, matrix);
}
dic.Put(PdfName.Formtype, One);
PrStream stream;
if (bout == null)
{
stream = new PrStream((PrStream)contents, dic);
}
else
{
stream = new PrStream(reader, bout);
stream.Merge(dic);
}
return(stream);
}
/// <summary>
/// Translate a PRStream to a PdfStream. The data part copies itself.
/// </summary>
protected PdfStream CopyStream(PrStream inp)
{
var outp = new PrStream(inp, null);
foreach (PdfName key in inp.Keys)
{
var value = inp.Get(key);
outp.Put(key, CopyObject(value));
}
return(outp);
}
public PrStream(PrStream stream, PdfDictionary newDic)
{
reader = stream.reader;
offset = stream.offset;
length = stream.Length;
Compressed = stream.Compressed;
CompressionLevel = stream.CompressionLevel;
StreamBytes = stream.StreamBytes;
Bytes = stream.Bytes;
objNum = stream.objNum;
objGen = stream.objGen;
if (newDic != null)
{
Merge(newDic);
}
else
{
Merge(stream);
}
}
public PrStream(PrStream stream, PdfDictionary newDic, PdfReader reader) : this(stream, newDic)
{
this.reader = reader;
}
