WKBRasterImageReader Class Reference

Draft java api image reader for WKB, used in postGIS 2 but can be used elsewhere. More...

Inheritance diagram for WKBRasterImageReader:

Collaboration diagram for WKBRasterImageReader:

Classes
class	InputStreamAdapter
class	Spi

Public Member Functions
	WKBRasterImageReader (ImageReaderSpi spi)
int	getNumImages (boolean allowSearch) throws IOException
int	getWidth (int imageIndex) throws IOException
int	getHeight (int imageIndex) throws IOException
Iterator< ImageTypeSpecifier >	getImageTypes (int imageIndex) throws IOException
IIOMetadata	getStreamMetadata () throws IOException
IIOMetadata	getImageMetadata (int imageIndex) throws IOException
BufferedImage	read (int imageIndex, ImageReadParam param) throws IOException

Detailed Description

Draft java api image reader for WKB, used in postGIS 2 but can be used elsewhere.

Author

Johann Sorel (Geomatys)

Constructor & Destructor Documentation

WKBRasterImageReader()

WKBRasterImageReader

(

ImageReaderSpi

spi

)

                                                   {
        super(spi);
    }

Referenced by WKBRasterImageReader.Spi.createReaderInstance().

Member Function Documentation

getHeight()

int getHeight

(

int

imageIndex

)

throws IOException

                                                            {
        throw new UnsupportedOperationException("Not supported yet.");
    }

getImageMetadata()

IIOMetadata getImageMetadata

(

int

imageIndex

)

throws IOException

                                                                           {
        throw new UnsupportedOperationException("Not supported yet.");
    }

getImageTypes()

Iterator<ImageTypeSpecifier> getImageTypes

(

int

imageIndex

)

throws IOException

                                                                                         {
        throw new UnsupportedOperationException("Not supported yet.");
    }

getNumImages()

int getNumImages

(

boolean

allowSearch

)

throws IOException

                                                                    {
        return 1;
    }

getStreamMetadata()

IIOMetadata getStreamMetadata

(

)

throws IOException

                                                              {
        throw new UnsupportedOperationException("Not supported yet.");
    }

getWidth()

int getWidth

(

int

imageIndex

)

throws IOException

                                                           {
        throw new UnsupportedOperationException("Not supported yet.");
    }

read()

BufferedImage read	(	int	imageIndex,
		ImageReadParam	param
	)		throws IOException

                                                                                       {
        final WKBRasterReader reader = new WKBRasterReader();
        if(input instanceof byte[]){
            return reader.read((byte[])input);
        }else if(input instanceof ImageInputStream){
            return reader.read(new InputStreamAdapter((ImageInputStream)input));
        }else{
            InputStream stream;
            if(input instanceof InputStream){
                stream = (InputStream) input;
            }else{
                stream = org.apache.sis.internal.storage.io.IOUtilities.toInputStream((AutoCloseable) input);
                stream = new BufferedInputStream(stream);
            }
            final BufferedImage image = reader.read(stream);
            stream.close();
            return image;
        }
    }

References WKBRasterReader.read().