Content of file ImageModel.java.html
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="en"><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/><link rel="stylesheet" href="../../jacoco-resources/report.css" type="text/css"/><link rel="shortcut icon" href="../../jacoco-resources/report.gif" type="image/gif"/><title>ImageModel.java</title><link rel="stylesheet" href="../../jacoco-resources/prettify.css" type="text/css"/><script type="text/javascript" src="../../jacoco-resources/prettify.js"></script></head><body onload="window['PR_TAB_WIDTH']=4;prettyPrint()"><div class="breadcrumb" id="breadcrumb"><span class="info"><a href="../../jacoco-sessions.html" class="el_session">Sessions</a></span><a href="../../index.html" class="el_report">Mistral Examples HistogramViewer</a> > <a href="../index.html" class="el_bundle">image-core</a> > <a href="index.source.html" class="el_package">it.tidalwave.image</a> > <span class="el_source">ImageModel.java</span></div><h1>ImageModel.java</h1><pre class="source lang-java linenums">/*
* *********************************************************************************************************************
*
* Mistral: open source imaging engine
* http://tidalwave.it/projects/mistral
*
* Copyright (C) 2003 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/mistral-src
* git clone https://github.com/tidalwave-it/mistral-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.image;
import java.io.Externalizable;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.OutputStream;
import java.io.Serializable;
import javax.imageio.ImageIO;
import java.awt.image.ColorModel;
import java.awt.image.RenderedImage;
import it.tidalwave.image.op.ImplementationFactory;
/***********************************************************************************************************************
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
public abstract class ImageModel implements Externalizable
{
private Serializable id;
private String nickName;
protected transient Object model;
/*******************************************************************************************************************
*
* Default constructor for serialization. DO NOT CALL.
*
******************************************************************************************************************/
public ImageModel()
<span class="nc" id="L58"> {</span>
// Just deserialized. There's no model, so it should not go in cache
<span class="nc" id="L60"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public ImageModel (final Object model)
<span class="fc" id="L67"> {</span>
<span class="pc bpc" id="L68" title="1 of 2 branches missed."> if (model == null)</span>
{
<span class="nc" id="L70"> throw new IllegalArgumentException("model is null");</span>
}
<span class="fc" id="L73"> id = "" + (System.nanoTime() - 1182021416080087000L); // FIXME: use UUID</span>
// System.err.println("CREATED ImageModel " + id);
<span class="fc" id="L75"> this.model = model;</span>
// ImageModelCache.getInstance().add(this);
<span class="fc" id="L77"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public void dispose()
{
<span class="nc" id="L85"> ImageModelCache.getInstance().remove(id, true);</span>
// model = null; FIXME??
<span class="nc" id="L87"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public final Serializable getId()
{
<span class="fc" id="L95"> return id;</span>
}
public void setNickName (final String nickName)
{
<span class="nc" id="L100"> this.nickName = nickName;</span>
<span class="nc" id="L101"> }</span>
public String getNickName()
{
<span class="nc" id="L105"> return nickName;</span>
}
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@Override
public final int hashCode()
{
<span class="nc bnc" id="L115" title="All 2 branches missed."> return (id != null) ? id.hashCode() : 0;</span>
}
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@Override
public final boolean equals (final Object object)
{
<span class="nc bnc" id="L125" title="All 2 branches missed."> if (!(object instanceof ImageModel))</span>
{
<span class="nc" id="L127"> return false;</span>
}
<span class="nc" id="L130"> final var imageModel = (ImageModel)object;</span>
<span class="nc bnc" id="L132" title="All 4 branches missed."> if ((id == null) || (imageModel.id == null))</span>
{
<span class="nc" id="L134"> return false;</span>
}
<span class="nc" id="L137"> return id.equals(imageModel.id);</span>
}
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public void setImage (final Object image)
{
<span class="fc" id="L146"> ImageModelCache.getInstance().update(this);</span>
<span class="fc" id="L147"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public final Object getImage()
{
<span class="fc" id="L155"> return model;</span>
}
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract int getWidth();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract int getHeight();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract EditableImage.DataType getDataType();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract int getBandCount();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract ImplementationFactory getFactory();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract ColorModel getColorModel();
/*******************************************************************************************************************
*
* Creates a similar image, that is a blank image with the same characteristics
* of this image (width, height, data type, sample model, color model).
*
* @return a new, similar image
*
******************************************************************************************************************/
public abstract EditableImage createCopy (boolean copyContents);
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
public abstract <T> T getInnerProperty (Class<T> propertyClass);
/*******************************************************************************************************************
*
* Returns an estimate of the memory allocated by this image. The default
* implementation returns the number of pixels multiplied by the number of bands
* multiplied the size in bytes of each pixel. Can be overridden for more
* accurate implementations.
*
* @return the memory allocated for this image
*
******************************************************************************************************************/
public long getMemorySize()
{
<span class="nc" id="L222"> final var dataType = getDataType();</span>
<span class="nc bnc" id="L223" title="All 2 branches missed."> return (dataType == null) ? 0 : ((long)dataType.getSize() * getWidth() * getHeight() * getBandCount()) / 8;</span>
}
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@Override
public final void writeExternal (final ObjectOutput out)
throws IOException
{
<span class="nc" id="L234"> out.writeObject(id);</span>
<span class="nc bnc" id="L235" title="All 2 branches missed."> out.writeObject((nickName != null) ? nickName : "NULL"); // FIXME: needed? Can writeObject(null)?</span>
<span class="nc bnc" id="L237" title="All 2 branches missed."> final var notNull = model != null;</span>
<span class="nc" id="L238"> out.writeBoolean(notNull);</span>
<span class="nc bnc" id="L240" title="All 2 branches missed."> if (notNull)</span>
{
<span class="nc" id="L242"> writeRaster(new OutputStream()</span>
<span class="nc" id="L243"> {</span>
@Override
public void write (final byte[] buffer, final int off, final int len)
throws IOException
{
<span class="nc" id="L248"> out.write(buffer, off, len);</span>
<span class="nc" id="L249"> }</span>
@Override
public void write (final int b)
throws IOException
{
<span class="nc" id="L255"> out.write(b);</span>
<span class="nc" id="L256"> }</span>
});
}
<span class="nc" id="L259"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@Override
public final void readExternal (final ObjectInput in)
throws IOException, ClassNotFoundException
{
<span class="nc" id="L269"> id = (Serializable)in.readObject();</span>
<span class="nc" id="L270"> nickName = (String)in.readObject();</span>
<span class="nc bnc" id="L272" title="All 2 branches missed."> if (nickName.equals("NULL"))</span>
{
<span class="nc" id="L274"> nickName = null;</span>
}
<span class="nc bnc" id="L277" title="All 2 branches missed."> if (in.readBoolean())</span>
{
<span class="nc" id="L279"> readRaster(new InputStream()</span>
<span class="nc" id="L280"> {</span>
@Override
public int read (final byte[] b, final int off, final int len)
throws IOException
{
<span class="nc" id="L285"> return in.read(b, off, len);</span>
}
@Override
public int read()
throws IOException
{
<span class="nc" id="L292"> return in.read();</span>
}
});
}
<span class="nc" id="L296"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
protected abstract RenderedImage toRenderedImageForSerialization();
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
protected abstract Object toObjectForDeserialization (final RenderedImage renderedImage);
/*******************************************************************************************************************
*
* TODO: check performance
*
******************************************************************************************************************/
protected void writeRaster (final OutputStream out)
throws IOException
{
// System.err.println(CLASS + ".writeExternal() - model: " + model);
/* ImageWriter imageWriter = null;
for (final Iterator<ImageWriter> i = ImageIO.getImageWritersByFormatName("TIFF"); i.hasNext(); )
{
final ImageWriter testImageWriter = i.next();
if ((testImageWriter != null) && testImageWriter.getClass().getName().equals("com.sun.media
.imageioimpl.plugins.tiff.TIFFImageWriter"))
{
imageWriter = testImageWriter;
break;
}
}
if (imageWriter == null)
{
throw new RuntimeException("No JAI ImageIO ImageWriter for TIFF format! Can't serialize ImageModel");
}
System.err.println("SERIALIZING WITH " + imageWriter);
final ImageOutputStream ios = ImageIO.createImageOutputStream(out);
imageWriter.setOutput(ios);
imageWriter.write(toRenderedImageForSerialization());
imageWriter.dispose();*/
<span class="nc" id="L343"> ImageIO.write(toRenderedImageForSerialization(), "TIFF", out);</span>
<span class="nc" id="L344"> }</span>
/*******************************************************************************************************************
*
* TODO: check performance
*
******************************************************************************************************************/
protected void readRaster (final InputStream in)
throws IOException
{
try
{
<span class="nc" id="L356"> Class.forName("com.sun.media.imageioimpl.plugins.tiff.TIFFImageWriter");</span>
}
<span class="nc" id="L358"> catch (ClassNotFoundException ex)</span>
{
<span class="nc" id="L360"> throw new RuntimeException("Can't deserialize ImageModels since JAI ImageIO is not in the classpath");</span>
<span class="nc" id="L361"> }</span>
<span class="nc" id="L363"> model = toObjectForDeserialization(ImageIO.read(in));</span>
<span class="nc" id="L364"> }</span>
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@Override
public final String toString()
{
<span class="fc" id="L373"> return getClass().getName() + "[id: " + getId() +</span>
<span class="pc bpc" id="L374" title="1 of 2 branches missed."> ((nickName != null) ? (", nickName: " + nickName) : "") +</span>
//", model: " + model +
"]";
}
/*******************************************************************************************************************
*
*
******************************************************************************************************************/
@Override
protected void finalize()
{
// FIXME: not sure about this - for sure should only remove from the local cache
<span class="fc" id="L387"> }</span>
}
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