public PDFImage(PDFStream stream, PDFDictionary filterParams)
: base(stream)
{
try
{
Image = new Bitmap(new MemoryStream(Data));
}
catch
{
}
}
public static IEnumerable <PDFObject> FromObjStm(PDFStream sobj)
{
PDFInteger nobjsv;
if (sobj.Options.TryGet("N", out nobjsv))
{
int nobjs = (int)nobjsv.Value;
PDFObject[] objs = new PDFObject[nobjs];
PDFTokenStack stack = new PDFTokenStack();
PDFTokenizer tokens = new PDFTokenizer(new ByteStreamReader(sobj.Data));
foreach (IPDFToken token in tokens)
{
stack.ProcessToken(token);
}
for (int i = 0; i < nobjs; i++)
{
objs[i] = new PDFObject {
Value = stack.Pop <IPDFElement>()
};
}
for (int i = 0; i < nobjs; i++)
{
int offset = (int)stack.Pop <PDFInteger>().Value;
objs[i].ID = (int)stack.Pop <PDFInteger>().Value;
objs[i].Version = 0;
}
return(objs);
}
else
{
return(new PDFObject[0]);
}
}
protected PDFStream ApplyFilters()
{
PDFStream data = this;
if (Options != null)
{
PDFInteger length;
if (Options.TryGet("Length", out length))
{
data = new PDFStream {
Data = new byte[length.Value], Options = Options
};
Array.Copy(Data, data.Data, data.Data.Length);
PDFList filters;
PDFName filter;
if (Options.TryGet("Filter", out filter))
{
filters = new PDFList {
filter
};
}
else
{
Options.TryGet("Filter", out filters);
}
if (filters != null)
{
PDFDictionary decodeparams;
PDFList decodeparamslist;
if (Options.TryGet("DecodeParams", out decodeparams))
{
decodeparamslist = new PDFList {
decodeparams
};
}
else
{
Options.TryGet("DecodeParams", out decodeparamslist);
if (decodeparamslist == null)
{
decodeparamslist = new PDFList();
}
}
for (int i = 0; i < filters.Count; i++)
{
string filtername = filters.Get <PDFName>(i).Name;
PDFDictionary filterparams;
decodeparamslist.TryGet <PDFDictionary>(i, out filterparams);
data = data.ApplyFilter(filtername, filterparams);
}
}
}
}
return(data);
}
public PDFStream(PDFStream other)
{
this.Data = other.Data;
this.Options = other.Options;
}
