/**
* *****************************************************************************************************************
*
* @param iis
* @return
* @throws IOException
* <p>*****************************************************************************
*/
protected boolean canDecodeInput(@Nonnull final RAWImageInputStream iis) throws IOException {
iis.seek(0);
NEFHeaderProcessor headerProcessor = new NEFHeaderProcessor();
headerProcessor.process(iis);
long ifdOffset = TIFFImageReaderSupport.processHeader(iis, headerProcessor);
if (ifdOffset
== 20) // TODO: bad fix for NDF files, must test for NDF instead - headerProcessor.isNDF()
{
ifdOffset -= NEFHeaderProcessor.NDF_OFFSET;
iis.setBaseOffset(
NEFHeaderProcessor
.NDF_OFFSET); // TODO: move this behaviour as generic, with hproc.getBaseOffset()
}
IFD primaryIFD = new IFD();
primaryIFD.load(iis, ifdOffset);
if (primaryIFD.isDNGVersionAvailable()) {
logger.finest(">>>> FAILING, isDNGVersionAvailable returning true");
return false;
}
String make = primaryIFD.getMake();
String model = primaryIFD.getModel();
logger.finest("Make: %s, Model: %s", make, model);
//
// Beware that TIFF files out of Nikon scanners are tagged as Nikon.
// Check the model name too.
//
if ((make == null)
|| !make.toUpperCase().startsWith("NIKON")
|| (model == null)
|| (!model.toUpperCase().startsWith("NIKON D")
&& !supportedModels.contains(model.toUpperCase()))) {
logger.finest(">>>> FAILING, supportedModels: %s", supportedModels);
return false;
}
return true;
}
@Override
protected WritableRaster loadRAWRaster() throws IOException {
final IFD rasterIFD = ((TIFFMetadataSupport) metadata).getPrimaryIFD();
final RasterReader rasterReader = new Grey12RasterReader();
final int width = rasterIFD.getImageWidth();
final int height = rasterIFD.getImageLength();
final int bitsPerSample = rasterIFD.getBitsPerSample()[0];
initializeRasterReader(width, height, bitsPerSample, rasterReader);
if (!rasterIFD.isTileWidthAvailable()) {
iis.seek(
rasterIFD.getStripOffsets()); // FIXME: move, it's responsibility of the rreader to seek
}
final WritableRaster raster = rasterReader.loadRaster(iis, this);
return raster;
}
@Override
protected void initializeRasterReader(
int width, int height, int bitsPerSample, RasterReader rasterReader) {
IFD rasterIFD = ((TIFFMetadataSupport) metadata).getRasterIFD();
rasterReader.setWidth(width);
rasterReader.setHeight(height);
rasterReader.setBitsPerSample(bitsPerSample);
// if (rasterReader instanceof Gray12RasterReader) {
// IFD primaryIFD = ((TIFFMetadataSupport) metadata).getPrimaryIFD();
// ((Gray12RasterReader) rasterReader).setStripsOffset(primaryIFD.getStripOffsets());
// }
if ((rasterIFD != null) && rasterIFD.isCompressionAvailable()) {
rasterReader.setCompression(rasterIFD.getCompression().intValue());
}
if ((rasterIFD != null) && rasterIFD.isStripByteCountsAvailable()) {
rasterReader.setStripByteCount(rasterIFD.getStripByteCounts());
}
if ((rasterIFD != null) && rasterIFD.isTileWidthAvailable()) {
int imageWidth = rasterIFD.getImageWidth();
int imageLength = rasterIFD.getImageLength();
int tileWidth = rasterIFD.getTileWidth();
int tileLength = rasterIFD.getTileLength();
rasterReader.setTileWidth(tileWidth);
rasterReader.setTileHeight(tileLength);
rasterReader.setTilesAcross((imageWidth + tileWidth - 1) / tileWidth);
rasterReader.setTilesDown((imageLength + tileLength - 1) / tileLength);
rasterReader.setTileOffsets(rasterIFD.getTileOffsets());
// int[] tileByteCounts = imageIFD.getTileByteCounts();
}
}
