public DocHeaderType GetDocType(uint i)
{
SVGDocumentIndexEntry entry = this.GetDocIndexEntry(i);
byte [] buf = new byte[4];
uint offset = this.offsetToSVGDocIndex /* should be 10 */ + entry.svgDocOffset;
System.Buffer.BlockCopy(m_bufTable.GetBuffer(), (int)offset, buf, 0, 4);
return(DetectType(buf));
}
public SVGDocumentIndexEntry GetDocIndexEntry(uint i)
{
SVGDocumentIndexEntry entry = null;
if (i < numEntries)
{
uint offset = this.offsetToSVGDocIndex
+ 2
+ 12 * i;
entry = new SVGDocumentIndexEntry(offset, m_bufTable);
}
return(entry);
}
public byte[] GetDoc(uint i, bool autodecompress)
{
SVGDocumentIndexEntry entry = this.GetDocIndexEntry(i);
uint length = entry.svgDocLength;
byte [] buf = new byte[length];
uint offset = this.offsetToSVGDocIndex + entry.svgDocOffset;
System.Buffer.BlockCopy(m_bufTable.GetBuffer(), (int)offset, buf, 0, (int)length);
if (autodecompress && buf[0] == 0x1F && buf[1] == 0x8B)
{
byte[] decompressed = null;
using (MemoryStream output = new MemoryStream())
{
using (MemoryStream input = new MemoryStream(buf))
{
using (GZipStream zip = new GZipStream(input, CompressionMode.Decompress))
{
byte[] buffer = new byte[16 * 1024];
int byteRead;
while ((byteRead = zip.Read(buffer, 0, buffer.Length)) > 0)
{
output.Write(buffer, 0, byteRead);
}
}
}
decompressed = output.ToArray();
}
return(decompressed);
}
else
{
return(buf);
}
}
public SVGDocumentIndexEntry GetDocIndexEntry(uint i)
{
SVGDocumentIndexEntry entry = null;
if ( i < numEntries )
{
uint offset = this.offsetToSVGDocIndex
+ 2
+ 12 * i ;
entry = new SVGDocumentIndexEntry( offset, m_bufTable );
}
return entry;
}
