//
// ImageIOReader.java
//
/*
OME Bio-Formats package for reading and converting biological file formats.
Copyright (C) 2005-@year@ UW-Madison LOCI and Glencoe Software, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package loci.formats.in;
import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import javax.imageio.ImageIO;
import loci.common.RandomAccessInputStream;
import loci.formats.FormatException;
import loci.formats.FormatTools;
import loci.formats.MetadataTools;
import loci.formats.gui.AWTImageTools;
import loci.formats.meta.MetadataStore;
/**
* ImageIOReader is the superclass for file format readers
* that use the javax.imageio package.
*
* <dl><dt><b>Source code:</b></dt>
* <dd><a href="http://trac.openmicroscopy.org.uk/ome/browser/bioformats.git/components/bio-formats/src/loci/formats/in/ImageIOReader.java">Trac</a>,
* <a href="http://git.openmicroscopy.org/?p=bioformats.git;a=blob;f=components/bio-formats/src/loci/formats/in/ImageIOReader.java;hb=HEAD">Gitweb</a></dd></dl>
*
* @author Curtis Rueden ctrueden at wisc.edu
*/
public abstract class ImageIOReader extends BIFormatReader {
// -- Fields --
private BufferedImage img;
// -- Constructors --
/** Constructs a new ImageIOReader. */
public ImageIOReader(String name, String suffix) {
super(name, suffix);
domains = new String[] {FormatTools.GRAPHICS_DOMAIN};
}
/** Constructs a new ImageIOReader. */
public ImageIOReader(String name, String[] suffixes) {
super(name, suffixes);
domains = new String[] {FormatTools.GRAPHICS_DOMAIN};
}
// -- IFormatReader API methods --
/* @see loci.formats.IFormatReader#close(boolean) */
public void close(boolean fileOnly) throws IOException {
super.close(fileOnly);
if (!fileOnly) {
img = null;
}
}
/* @see loci.formats.IFormatReader#getOptimalTileHeight() */
public int getOptimalTileHeight() {
FormatTools.assertId(currentId, true, 1);
return getSizeY();
}
/* @see loci.formats.IFormatReader#openPlane(int, int, int, int, int int) */
public Object openPlane(int no, int x, int y, int w, int h)
throws FormatException, IOException
{
FormatTools.checkPlaneParameters(this, no, -1, x, y, w, h);
return AWTImageTools.getSubimage(img, isLittleEndian(), x, y, w, h);
}
// -- Internal FormatReader API methods --
/* @see loci.formats.FormatReader#initFile(String) */
protected void initFile(String id) throws FormatException, IOException {
super.initFile(id);
LOGGER.info("Populating metadata");
core[0].imageCount = 1;
RandomAccessInputStream ras = new RandomAccessInputStream(currentId);
DataInputStream dis = new DataInputStream(ras);
img = ImageIO.read(dis);
dis.close();
if (img == null) throw new FormatException("Invalid image stream");
core[0].sizeX = img.getWidth();
core[0].sizeY = img.getHeight();
core[0].rgb = img.getRaster().getNumBands() > 1;
core[0].sizeZ = 1;
core[0].sizeC = isRGB() ? 3 : 1;
core[0].sizeT = 1;
core[0].dimensionOrder = "XYCZT";
core[0].pixelType = AWTImageTools.getPixelType(img);
core[0].interleaved = false;
core[0].littleEndian = false;
core[0].metadataComplete = true;
core[0].indexed = false;
core[0].falseColor = false;
// populate the metadata store
MetadataStore store = makeFilterMetadata();
MetadataTools.populatePixels(store, this);
MetadataTools.setDefaultCreationDate(store, id, 0);
}
}