Package javax.media.jai.util

Examples of javax.media.jai.util.ImagingListener

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         java.awt.image.renderable.ParameterBlock.class};

      factoryMethod = factoryClass.getMethod("create", paramTypes);

  } catch (NoSuchMethodException e) {
            ImagingListener listener =
                JAI.getDefaultInstance().getImagingListener();
            String message = JaiI18N.getString("RegistryMode0") + " " +
                             factoryClass.getName() + ".";
            listener.errorOccurred(message, e,
                                   RenderableRegistryMode.class, false);
//      e.printStackTrace();
  }

  return factoryMethod;
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         java.awt.image.renderable.ParameterBlock.class};

      factoryMethod = factoryClass.getMethod("create", paramTypes);

  } catch (NoSuchMethodException e) {
            ImagingListener listener =
                JAI.getDefaultInstance().getImagingListener();
            String message = JaiI18N.getString("RegistryMode0") + " " +
                             factoryClass.getName() + ".";
            listener.errorOccurred(message, e,
                                   RemoteRenderableRegistryMode.class, false);
//      e.printStackTrace();
  }

  return factoryMethod;
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      return negotiated.getNegotiatedValue(category);
  return null;
    }

    void sendExceptionToListener(String message, Exception e) {
        ImagingListener listener =
            (ImagingListener)getRenderingHints().get(JAI.KEY_IMAGING_LISTENER);

        listener.errorOccurred(message, e, this, false);
    }
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    /**
     * Creates an image from a SeekableStream.
     */
    public RenderedImage create(ParameterBlock paramBlock,
                                RenderingHints renderHints) {
        ImagingListener listener = ImageUtil.getImagingListener(renderHints);
        SeekableStream src = (SeekableStream)paramBlock.getObjectParameter(0);
        try {
            src.seek(0L);
        } catch (IOException e) {
            listener.errorOccurred(JaiI18N.getString("StreamRIF0"),
                                   e, this, false);
//            e.printStackTrace();
            return null;
        }

        ImageDecodeParam param = null;
        if (paramBlock.getNumParameters() > 1) {
            param = (ImageDecodeParam)paramBlock.getObjectParameter(1);
        }

        String[] names = ImageCodec.getDecoderNames(src);

        OperationRegistry registry =
            JAI.getDefaultInstance().getOperationRegistry();
        int bound = OpImage.OP_IO_BOUND;
        ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);

        if (renderHints != null) {
            RenderingHints.Key key;

            key = JAI.KEY_OPERATION_REGISTRY;
            if (renderHints.containsKey(key)) {
                registry = (OperationRegistry)renderHints.get(key);
            }

            key = JAI.KEY_OPERATION_BOUND;
            if (renderHints.containsKey(key)) {
                bound = ((Integer)renderHints.get(key)).intValue();
            }
        }

        // Try to create a JAI operation with the given name
        for (int i = 0; i < names.length; i++) {
            RenderedImageFactory rif = null;
            try {
                rif = RIFRegistry.get(registry, names[i]);
            } catch(IllegalArgumentException iae) {
                // ignore IAE.
            }
            if(rif != null) {
                RenderedImage im = RIFRegistry.create(registry, names[i],
                                                      paramBlock, renderHints);
                if (im != null) {
                    return im;
                }
            }
        }

        // Set flag indicating that a recovery may be attempted if
        // an OutOfMemoryError occurs during the decodeAsRenderedImage()
        // call - which is only possible if the stream can seek backwards.
        boolean canAttemptRecovery = src.canSeekBackwards();

        // Save the stream position prior to decodeAsRenderedImage().
        long streamPosition = Long.MIN_VALUE;
        if(canAttemptRecovery) {
            try {
                streamPosition = src.getFilePointer();
            } catch(IOException ioe) {
                listener.errorOccurred(JaiI18N.getString("StreamRIF1"),
                                       ioe, this, false);
                // Unset the recovery attempt flag but otherwise
                // ignore the exception.
                canAttemptRecovery = false;
            }
        }

        // Try to create an ImageDecoder directly
        for (int i = 0; i < names.length; i++) {
            ImageDecoder dec =
                ImageCodec.createImageDecoder(names[i], src, param);
            RenderedImage im = null;
            try {
                im = dec.decodeAsRenderedImage();
            } catch(OutOfMemoryError memoryError) {
                // Ran out of memory - may be due to the decoder being
                // obliged to read the entire image when it creates the
                // RenderedImage it returns.
                if(canAttemptRecovery) {
                    // First flush the cache if one is defined.
                    TileCache cache = RIFUtil.getTileCacheHint(renderHints);
                    if(cache != null) {
                        cache.flush();
                    }

                    // Force garbage collection.
                    System.gc(); //slow

                    try {
                        // Reposition the stream before the previous decoding.
                        src.seek(streamPosition);

                        // Retry image decoding.
                        im = dec.decodeAsRenderedImage();
                    } catch (IOException ioe) {
                        listener.errorOccurred(JaiI18N.getString("StreamRIF2"),
                                               ioe, this, false);
                        im = null;
                    }
                } else {
                    String message = JaiI18N.getString("CodecRIFUtil0");
                    listener.errorOccurred(message,
                                           new ImagingException(message,
                                                                memoryError),
                                           this, false);
                    // Re-throw the error.
//                    throw memoryError;
                }
            } catch (IOException e) {
                listener.errorOccurred(JaiI18N.getString("StreamRIF2"),
                                       e, this, false);
                im = null;
            }

            // If decoding succeeded, wrap the result in an OpImage.
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     * Stores an image to a stream.
     */
    public RenderedImage create(ParameterBlock paramBlock,
                                RenderingHints renderHints) {

        ImagingListener listener = ImageUtil.getImagingListener(renderHints);

        // Retrieve the OutputStream.
        OutputStream stream = (OutputStream)paramBlock.getObjectParameter(0);

        // Retrieve the format.
        String format = (String)paramBlock.getObjectParameter(1);

        // Retrieve the ImageEncodeParam (which may be null).
        ImageEncodeParam param = null;
        if(paramBlock.getNumParameters() > 2) {
            param = (ImageEncodeParam)paramBlock.getObjectParameter(2);
        }

        // Create an ImageEncoder.
        ImageEncoder encoder =
            ImageCodec.createImageEncoder(format, stream, param);

        // Check the ImageEncoder.
        if(encoder == null) {
            throw new RuntimeException(JaiI18N.getString("EncodeRIF0"));
        }

        // Store the data.
        RenderedImage im = (RenderedImage)paramBlock.getSource(0);
        try {
            encoder.encode(im);
            stream.flush();
      // Fix 4665208: EncodeRIF closed the stream after flush
      // User may put more into the stream
            //stream.close();
        } catch (IOException e) {
            String message = JaiI18N.getString("EncodeRIF1") + " " + format;
            listener.errorOccurred(message, e, this, false);
//            e.printStackTrace();
            return null;
        }

        return im;
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        return fontRenderContext;
    }

    void sendExceptionToListener(String message, Exception e) {
        ImagingListener listener = null;
        if (renderingHints != null)
            listener =
                (ImagingListener)renderingHints.get(JAI.KEY_IMAGING_LISTENER);

        if (listener == null)
            listener = JAI.getDefaultInstance().getImagingListener();
        listener.errorOccurred(message, e, this, false);
    }
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                // rendering which will likely be an OpImage chain.
                if(rendering instanceof RenderedOp) {
                    try {
                        rendering = ((RenderedOp)rendering).getRendering();
                    } catch (Exception e) {
                        ImagingListener listener =
                            ImageUtil.getImagingListener(renderHints);
                        String message =
                            JaiI18N.getString("CRIFImpl0") + operationName;
                        listener.errorOccurred(message, e, this, false);
//                        e.printStackTrace();
                    }
                }
                return rendering;
            }
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/*     */ public class StreamRIF
/*     */   implements RenderedImageFactory
/*     */ {
/*     */   public RenderedImage create(ParameterBlock paramBlock, RenderingHints renderHints)
/*     */   {
/*  64 */     ImagingListener listener = ImageUtil.getImagingListener(renderHints);
/*  65 */     SeekableStream src = (SeekableStream)paramBlock.getObjectParameter(0);
/*     */     try {
/*  67 */       src.seek(0L);
/*     */     } catch (IOException e) {
/*  69 */       listener.errorOccurred(JaiI18N.getString("StreamRIF0"), e, this, false);
/*     */
/*  72 */       return null;
/*     */     }
/*     */
/*  75 */     ImageDecodeParam param = null;
/*  76 */     if (paramBlock.getNumParameters() > 1) {
/*  77 */       param = (ImageDecodeParam)paramBlock.getObjectParameter(1);
/*     */     }
/*     */
/*  80 */     String[] names = ImageCodec.getDecoderNames(src);
/*     */
/*  82 */     OperationRegistry registry = JAI.getDefaultInstance().getOperationRegistry();
/*     */
/*  84 */     int bound = 2;
/*  85 */     ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
/*     */
/*  87 */     if (renderHints != null)
/*     */     {
/*  90 */       RenderingHints.Key key = JAI.KEY_OPERATION_REGISTRY;
/*  91 */       if (renderHints.containsKey(key)) {
/*  92 */         registry = (OperationRegistry)renderHints.get(key);
/*     */       }
/*     */
/*  95 */       key = JAI.KEY_OPERATION_BOUND;
/*  96 */       if (renderHints.containsKey(key)) {
/*  97 */         bound = ((Integer)renderHints.get(key)).intValue();
/*     */       }
/*     */
/*     */     }
/*     */
/* 102 */     for (int i = 0; i < names.length; i++) {
/* 103 */       RenderedImageFactory rif = null;
/*     */       try {
/* 105 */         rif = RIFRegistry.get(registry, names[i]);
/*     */       }
/*     */       catch (IllegalArgumentException iae) {
/*     */       }
/* 109 */       if (rif != null) {
/* 110 */         RenderedImage im = RIFRegistry.create(registry, names[i], paramBlock, renderHints);
/*     */
/* 112 */         if (im != null) {
/* 113 */           return im;
/*     */         }
/*     */
/*     */       }
/*     */
/*     */     }
/*     */
/* 121 */     boolean canAttemptRecovery = src.canSeekBackwards();
/*     */
/* 124 */     long streamPosition = -9223372036854775808L;
/* 125 */     if (canAttemptRecovery) {
/*     */       try {
/* 127 */         streamPosition = src.getFilePointer();
/*     */       } catch (IOException ioe) {
/* 129 */         listener.errorOccurred(JaiI18N.getString("StreamRIF1"), ioe, this, false);
/*     */
/* 133 */         canAttemptRecovery = false;
/*     */       }
/*     */
/*     */     }
/*     */
/* 138 */     for (int i = 0; i < names.length; i++) {
/* 139 */       ImageDecoder dec = ImageCodec.createImageDecoder(names[i], src, param);
/*     */
/* 141 */       RenderedImage im = null;
/*     */       try {
/* 143 */         im = dec.decodeAsRenderedImage();
/*     */       }
/*     */       catch (OutOfMemoryError memoryError)
/*     */       {
/* 148 */         if (canAttemptRecovery)
/*     */         {
/* 150 */           TileCache cache = RIFUtil.getTileCacheHint(renderHints);
/* 151 */           if (cache != null) {
/* 152 */             cache.flush();
/*     */           }
/*     */
/* 156 */           System.gc();
/*     */           try
/*     */           {
/* 160 */             src.seek(streamPosition);
/*     */
/* 163 */             im = dec.decodeAsRenderedImage();
/*     */           } catch (IOException ioe) {
/* 165 */             listener.errorOccurred(JaiI18N.getString("StreamRIF2"), ioe, this, false);
/*     */
/* 167 */             im = null;
/*     */           }
/*     */         } else {
/* 170 */           String message = JaiI18N.getString("CodecRIFUtil0");
/* 171 */           listener.errorOccurred(message, new ImagingException(message, memoryError), this, false);
/*     */         }
/*     */
/*     */       }
/*     */       catch (IOException e)
/*     */       {
/* 179 */         listener.errorOccurred(JaiI18N.getString("StreamRIF2"), e, this, false);
/*     */
/* 181 */         im = null;
/*     */       }
/*     */
/* 185 */       if (im != null) {
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/*  933 */     Raster raster = null;
/*      */     try {
/*  935 */       raster = decoder.decodeAsRaster().createTranslatedChild(tx, ty);
/*      */     }
/*      */     catch (Exception e) {
/*  938 */       ImagingListener listener = ImageUtil.getImagingListener(this.renderHints);
/*      */
/*  940 */       listener.errorOccurred(JaiI18N.getString("IIPResolutionOpImage3"), new ImagingException(e), this, false);
/*      */     }
/*      */
/*  949 */     closeStream(byteStream);
/*      */
/*  951 */     if ((this.colorSpaceType == 3) && (colorConversion)) {
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/* 1095 */       System.out.println(ct);
/*      */     }
/*      */   }
/*      */
/*      */   void sendExceptionToListener(String message, Exception e) {
/* 1100 */     ImagingListener listener = ImageUtil.getImagingListener((RenderingHints)null);
/*      */
/* 1102 */     listener.errorOccurred(message, e, this, false);
/*      */   }
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Related Classes of javax.media.jai.util.ImagingListener

  • com.sun.media.jai.codecimpl.util.ImageUtil
  • com.sun.media.jai.codecimpl.util.SunTileCache
  • com.sun.media.jai.codecimpl.util.SunTileScheduler
  • com.sun.media.jai.mlib.MediaLibAccessor
  • com.sun.media.jai.mlib.MlibHistogramRIF
  • com.sun.media.jai.opimage.CodecRIFUtil
  • com.sun.media.jai.opimage.EncodeRIF
  • com.sun.media.jai.opimage.FileLoadRIF
  • com.sun.media.jai.opimage.FileStoreRIF
  • com.sun.media.jai.opimage.HistogramRIF
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