/*
* #%L
* Bio-Formats Plugins for ImageJ: a collection of ImageJ plugins including the
* Bio-Formats Importer, Bio-Formats Exporter, Bio-Formats Macro Extensions,
* Data Browser and Stack Slicer.
* %%
* Copyright (C) 2006 - 2015 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* 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, see
* <http://www.gnu.org/licenses/gpl-2.0.html>.
* #L%
*/
package loci.plugins.util;
import ij.ImagePlus;
import ij.ImageStack;
import ij.process.ImageStatistics;
import ij.process.LUT;
import java.io.IOException;
import java.util.List;
import loci.formats.IFormatReader;
import loci.plugins.util.RecordedImageProcessor.MethodEntry;
/**
* Extension of {@link ij.ImagePlus} that supports
* Bio-Formats-driven virtual stacks.
*
* @author Melissa Linkert melissa at glencoesoftware.com
*/
public class VirtualImagePlus extends ImagePlus {
// -- Fields --
private IFormatReader r;
private LUT[] luts;
// -- Constructor --
public VirtualImagePlus(String title, ImageStack stack) {
super(title, stack);
// call getStatistics() to ensure that single-slice stacks have the
// correct pixel type
getStatistics();
}
// -- VirtualImagePlus API methods --
public void setReader(IFormatReader r) {
this.r = r;
}
public void setLUTs(LUT[] luts) {
this.luts = luts;
}
// -- ImagePlus API methods --
@Override
public synchronized void setSlice(int index) {
super.setSlice(index);
BFVirtualStack stack = null;
if (getStack() instanceof BFVirtualStack) {
stack = (BFVirtualStack) getStack();
RecordedImageProcessor proc = stack.getRecordedProcessor();
List<MethodEntry> methods = stack.getMethodStack();
if (methods != null) {
proc.applyMethodStack(methods);
}
// if we call setProcessor(getTitle(), proc), the type will be set
// to GRAY32 (regardless of the actual processor type)
setProcessor(getTitle(), proc.getChild());
int channel = getChannel() - 1;
if (channel >= 0 && luts != null && channel < luts.length) {
getProcessor().setColorModel(luts[channel]);
}
this.ip = proc;
}
}
@Override
public void close() {
super.close();
try {
r.close();
}
catch (IOException e) { }
}
@Override
public ImageStatistics getStatistics(int mOptions, int nBins,
double histMin, double histMax)
{
if (this.ip instanceof RecordedImageProcessor) {
RecordedImageProcessor currentProc = (RecordedImageProcessor) this.ip;
this.ip = currentProc.getChild();
setProcessor(getTitle(), this.ip);
ImageStatistics s =
super.getStatistics(mOptions, nBins, histMin, histMax);
this.ip = currentProc;
return s;
}
return super.getStatistics(mOptions, nBins, histMin, histMax);
}
}