private void parseFrameFileIndexAndPathnameTables(java.nio.ByteBuffer buffer)
{
int theSectionOffset = buffer.position();
Hashtable <Integer, String> pathnames = new Hashtable <Integer, String>();
for (int i = 0; i < this.numOfFrameFileIndexRecords; i++)
{
this.frameFileIndexTable.add(new RPFFrameFileIndexRecord(buffer));
}
for (int i = 0; i < this.numOfPathnameRecords; i++)
{
int relOffset = buffer.position() - theSectionOffset;
int len = NITFSUtil.getUShort(buffer);
pathnames.put(relOffset, NITFSUtil.getString(buffer, len));
}
if (0 < this.frameFileIndexTable.size() && 0 < pathnames.size())
{ // update pathname field in every RPFFrameFileIndexRecord
foreach (RPFFrameFileIndexRecord rec in this.frameFileIndexTable)
{
int offset = (int)rec.getPathnameRecordOffset();
if (pathnames.containsKey(offset))
{
rec.setPathname(pathnames.get(offset));
}
else
{
throw new NITFSRuntimeException("NITFSReader.CorrespondingPathnameWasNotFound");
}
}
}
}
private void parseRPFColorOffsetRecord(java.nio.ByteBuffer buffer)
{
this.tableID = NITFSUtil.getUShort(buffer);
this.numOfColorRecords = NITFSUtil.getUInt(buffer);
this.colorElementLength = NITFSUtil.getByteAsShort(buffer);
this.histogramRecordLength = NITFSUtil.getUShort(buffer);
this.colorTableOffset = NITFSUtil.getUInt(buffer);
this.histogramTableOffset = NITFSUtil.getUInt(buffer);
}
public RPFBoundingRectangleSection(ByteBuffer buffer)
{
// [ bounding rectangle section subheader ]
this.tableOffset = NITFSUtil.getUInt(buffer);
this.numberOfRecords = NITFSUtil.getUShort(buffer);
this.recordLength = NITFSUtil.getUShort(buffer);
parseBoundsRecords(buffer);
}
// public ArrayList<String> getPathnameTable()
// {
// return pathnameTable;
// }
public RPFFrameFileIndexSection(java.nio.ByteBuffer buffer)
{
// [ frame file index section subheader ]
this.highestSecurityClassification = NITFSUtil.getString(buffer, 1);
this.frameFileIndexTableOffset = NITFSUtil.getUInt(buffer);
this.numOfFrameFileIndexRecords = NITFSUtil.getUInt(buffer);
this.numOfPathnameRecords = NITFSUtil.getUShort(buffer);
this.frameFileIndexRecordLength = NITFSUtil.getUShort(buffer);
this.parseFrameFileIndexAndPathnameTables(buffer);
}
private String pathname; // this field is not part of the NITFS spec
public RPFFrameFileIndexRecord(java.nio.ByteBuffer buffer)
{
this.boundaryRectangleRecordNumber = NITFSUtil.getUShort(buffer);
this.frameLocationRowNumber = NITFSUtil.getUShort(buffer);
this.frameLocationColumnNumber = NITFSUtil.getUShort(buffer);
this.pathnameRecordOffset = NITFSUtil.getUInt(buffer);
this.frameFileName = NITFSUtil.getString(buffer, 12);
this.geoLocation = NITFSUtil.getString(buffer, 6);
this.securityClass = NITFSUtil.getString(buffer, 1);
this.securityCountryCode = NITFSUtil.getString(buffer, 2);
this.securityReleaseMark = NITFSUtil.getString(buffer, 2);
this.pathname = "";
}
private void parseImageDescriptionSubheader(java.nio.ByteBuffer buffer)
{
this.numOfSpectralGroups = NITFSUtil.getUShort(buffer);
this.numOfSubframeTables = NITFSUtil.getUShort(buffer);
this.numOfSpectralBandTables = NITFSUtil.getUShort(buffer);
this.numOfSpectralBandLinesPerImageRow = NITFSUtil.getUShort(buffer);
this.numOfSubframesInEastWestDirection = NITFSUtil.getUShort(buffer);
this.numOfSubframesInNorthSouthDirection = NITFSUtil.getUShort(buffer);
this.numOfOutputColumnsPerSubframe = NITFSUtil.getUInt(buffer);
this.numOfOutputRowsPerSubframe = NITFSUtil.getUInt(buffer);
this.subframeMaskTableOffset = NITFSUtil.getUInt(buffer);
this.transparencyMaskTableOffset = NITFSUtil.getUInt(buffer);
}
private void parseColormapSubSection(java.nio.ByteBuffer buffer)
{
buffer.position(this.componentLocationTable.getColormapSubsectionLocation());
this.colormapOffsetTableOffset = NITFSUtil.getUInt(buffer);
this.colormapGrayscaleOffsetRecordLength = NITFSUtil.getUShort(buffer);
// read color / grayscale AND histogram records; builds a ColorMap (LUT)
if (0 < this.numOfColorGrayscaleOffsetRecords)
{
rpfColorMaps = new RPFColorMap[this.numOfColorGrayscaleOffsetRecords];
for (int i = 0; i < this.numOfColorGrayscaleOffsetRecords; i++)
{
rpfColorMaps[i] = new RPFColorMap(buffer, this.componentLocationTable.getColormapSubsectionLocation());
}
}
else
{
throw new NITFSRuntimeException("NITFSReader.InvalidNumberOfRPFColorGrayscaleRecords");
}
}
public RPFLocationSection(java.nio.ByteBuffer buffer)
{
this.locationSectionLength = NITFSUtil.getUShort(buffer);
this.componentLocationTableOffset = NITFSUtil.getUInt(buffer);
this.numOfComponentLocationRecords = NITFSUtil.getUShort(buffer);
this.componentLocationRecordLength = NITFSUtil.getUShort(buffer);
this.componentAggregateLength = NITFSUtil.getUInt(buffer);
if (this.numOfComponentLocationRecords < 2)
{
throw new NITFSRuntimeException("NITFSReader:InvalidNumberOfComponentLocationRecords");
}
for (int i = 0; i < this.numOfComponentLocationRecords; i++)
{
int id = NITFSUtil.getUShort(buffer);
table.put(id, new ComponentLocationRecord(id,
NITFSUtil.getUInt(buffer), // read uint:4 as "length"
NITFSUtil.getUInt(buffer) // read uint:4 as "location"
));
}
}
public RelatedImagesSection(java.nio.ByteBuffer buffer)
{
this.relatedImageDescriptionTableOffset = NITFSUtil.getUInt(buffer);
this.numOfRelatedImageDescriptionRecords = NITFSUtil.getUShort(buffer);
this.relatedImageDescriptionRecordLength = NITFSUtil.getUShort(buffer);
}
