Example usage for java.awt.image RenderedImage getSources

Introduction

In this page you can find the example usage for java.awt.image RenderedImage getSources.

Prototype

Vector<RenderedImage> getSources();

Source Link

Document

Returns a vector of RenderedImages that are the immediate sources of image data for this RenderedImage.

Usage

From source file:org.esa.beam.visat.toolviews.diag.TileCacheMonitor.java

private void dumpImageTree(Collection<CachedTile> tiles) {
    final Map<RenderedImage, Integer> ownerMap = new HashMap<RenderedImage, Integer>(100);
    final Map<RenderedImage, Long> sizeMap = new HashMap<RenderedImage, Long>(100);
    for (CachedTile sct : tiles) {
        RenderedImage owner = sct.getOwner();
        if (owner == null) {
            continue;
        }//from   w w  w .  j  a v a  2 s.c o  m
        Integer count = ownerMap.get(owner);
        if (count == null) {
            ownerMap.put(owner, Integer.valueOf(1));
        } else {
            ownerMap.put(owner, Integer.valueOf(count.intValue() + 1));
        }
        Long size = sizeMap.get(owner);
        if (size == null) {
            sizeMap.put(owner, Long.valueOf(sct.getTileSize()));
        } else {
            sizeMap.put(owner, Long.valueOf(size + sct.getTileSize()));
        }
    }

    Set<RenderedImage> rootEntries = new HashSet<RenderedImage>(ownerMap.keySet());
    for (RenderedImage image : ownerMap.keySet()) {
        Vector<RenderedImage> sources = image.getSources();
        eleminateSources(sources, rootEntries);
    }
    for (RenderedImage image : rootEntries) {
        printImage(image, ownerMap.get(image), sizeMap.get(image));
        printSources("", image.getSources(), ownerMap, sizeMap);
    }
    System.out.println("======================================");
}

---

From source file:org.esa.beam.visat.toolviews.diag.TileCacheMonitor.java

private void eleminateSources(Vector<RenderedImage> sources, Set<RenderedImage> rootEntries) {
    if (sources != null) {
        for (RenderedImage renderedImage : sources) {
            if (rootEntries.contains(renderedImage)) {
                rootEntries.remove(renderedImage);
            }// w w  w . ja va 2 s  .  c  om
            eleminateSources(renderedImage.getSources(), rootEntries);
        }
    }
}

---

From source file:org.esa.beam.visat.toolviews.diag.TileCacheMonitor.java

private void printSources(String prefix, Vector<RenderedImage> sources, Map<RenderedImage, Integer> ownerMap,
        Map<RenderedImage, Long> sizeMap) {
    if (sources != null) {
        for (RenderedImage image : sources) {
            System.out.print(prefix + "->");
            if (ownerMap.containsKey(image)) {
                printImage(image, ownerMap.get(image), sizeMap.get(image));
            } else {
                printImage(image, 0, 0L);
            }/*from   w w  w  .  j av a2  s  . co m*/
            printSources("--" + prefix, image.getSources(), ownerMap, sizeMap);
        }
    }
}

---

From source file:org.photovault.image.PhotovaultImage.java

/**
 Find the last cached rendering of a certain phase of image processing pipeline.
 The name is stored in JAI property "org.photovault.opname".
 <p>/*from   w w w .  j a v  a2s  . com*/
 This function makes a depth-first search to the sources of given node and 
 returns the first node that has the name.
 @param op The "sink" node of the image processing graph that is searched
 @param The name
 @return First node found with given name or <code>NULL</codel> if no such 
 node is found.
 */
RenderedImage findNamedRendering(RenderedImage op, String name) {
    if (op != null) {
        Object imgName = op.getProperty("org.photovault.opname");
        if (imgName.equals(name)) {
            return op;
        }
        Vector sources = op.getSources();
        if (sources == null) {
            // Apparently we arrived at the leaf node without finding the 
            // correct rendering.
            return null;
        }
        for (Object o : sources) {
            if (o != null && o instanceof RenderedImage) {
                RenderedImage candidate = findNamedRendering((RenderedImage) o, name);
                if (candidate != null) {
                    return candidate;
                }
            }
        }
    }
    return null;
}

---

From source file:org.photovault.image.PhotovaultImage.java

private void debugPrintGraph(RenderedImage img, String prefix) {
    Object opName = img.getProperty("org.photovault.opname");
    if (opName != null && opName instanceof String) {
        System.out.println(prefix + opName + " (" + img.getClass().getName() + ")");
    } else {/*from  www  .j a v a 2  s  .c  om*/
        System.out.println(prefix + "unnamed image" + " (" + img.getClass().getName() + ")");
    }

    System.out.println(prefix + "  " + img.toString());
    if (img instanceof RenderedOp) {
        RenderedOp op = (RenderedOp) img;
        System.out.println(prefix + "  operation name" + op.getOperationName());
        ParameterBlock pb = op.getParameterBlock();
        if (pb instanceof ParameterBlockJAI) {
            ParameterBlockJAI pbj = (ParameterBlockJAI) pb;
            String[] paramNames = pbj.getParameterListDescriptor().getParamNames();
            Vector params = pbj.getParameters();
            for (int n = 0; n < paramNames.length; n++) {
                System.out.println(prefix + "  " + paramNames[n] + params.get(n));
            }
        }
    }
    Vector<RenderedImage> sources = img.getSources();
    if (sources == null) {
        return;
    }
    for (RenderedImage parent : sources) {
        debugPrintGraph(parent, prefix + "    ");
    }
}

---