package uk.co.mmscomputing.imageio.tiff;
import java.io.IOException;
import java.nio.ByteOrder;
import java.util.Locale;
import javax.imageio.*;
import javax.imageio.spi.*;
import javax.imageio.stream.*;
import javax.imageio.metadata.*;
public class TIFFImageReaderSpi extends ImageReaderSpi {
static final String vendorName="mm's computing";
static final String version="0.0.1";
static final String readerClassName="uk.co.mmscomputing.imageio.tiff.TIFFImageReader";
static final String[] names={"tif","TIF","tiff","TIFF"};
static final String[] suffixes={"tif","TIF","tiff","TIFF"};
static final String[] MIMETypes={"image/tiff"};
static final String[] writerSpiNames={"uk.co.mmscomputing.imageio.tiff.TIFFImageWriterSpi"};
static final boolean supportsStandardStreamMetadataFormat = false;
static final String nativeStreamMetadataFormatName = null;
static final String nativeStreamMetadataFormatClassName = null;
static final String[] extraStreamMetadataFormatNames = null;
static final String[] extraStreamMetadataFormatClassNames = null;
static final boolean supportsStandardImageMetadataFormat = false;
static final String nativeImageMetadataFormatName ="uk.co.mmscomputing.imageio.tiff.TIFFMetadata_1.0";
static final String nativeImageMetadataFormatClassName ="uk.co.mmscomputing.imageio.tiff.TIFFMetadata";
static final String[] extraImageMetadataFormatNames = null;
static final String[] extraImageMetadataFormatClassNames = null;
public TIFFImageReaderSpi(){
super( vendorName,version,
names,suffixes,
MIMETypes,readerClassName,
STANDARD_INPUT_TYPE, writerSpiNames,
supportsStandardStreamMetadataFormat,
nativeStreamMetadataFormatName,
nativeStreamMetadataFormatClassName,
extraStreamMetadataFormatNames,
extraStreamMetadataFormatClassNames,
supportsStandardImageMetadataFormat,
nativeImageMetadataFormatName,
nativeImageMetadataFormatClassName,
extraImageMetadataFormatNames,
extraImageMetadataFormatClassNames
);
}
public ImageReader createReaderInstance(Object extension)throws IOException{
return new TIFFImageReader(this);
}
public boolean canDecodeInput(Object source)throws IOException{
if(!(source instanceof ImageInputStream)) { return false; }
ImageInputStream in = (ImageInputStream)source;
int bo=in.readUnsignedShort();
if(bo==0x00004D4D){ // MM
in.setByteOrder(ByteOrder.BIG_ENDIAN);
}else if(bo==0x00004949){ // II
in.setByteOrder(ByteOrder.LITTLE_ENDIAN);
}else{
return false;
}
int version=in.readUnsignedShort();
return version==42;
}
public String getDescription(Locale locale){
return "mmsc tiff decoder";
}
}