Examples of KernelJAI

Examples of javax.media.jai.KernelJAI

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      newData[k] = -gain * oldData[k];

  k = yOrigin*width + xOrigin;
  newData[k] = 1.0f + gain * (1.0f - oldData[k]);

  return new KernelJAI(width, height, xOrigin, yOrigin, newData);
    }
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Examples of javax.media.jai.KernelJAI

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        // Get BorderExtender from renderHints if any.
        BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);

  // map the input kernel + gain factor to an equivalent
  // convolution kernel and then do a normal convolve.
  KernelJAI unRotatedKernel =
    ImageUtil.getUnsharpMaskEquivalentKernel(
      (KernelJAI)paramBlock.getObjectParameter(0),
      paramBlock.getFloatParameter(1));

        KernelJAI kJAI = unRotatedKernel.getRotatedKernel();

  RenderedImage source = paramBlock.getRenderedSource(0);
        int dataType = source.getSampleModel().getDataType();

        boolean dataTypeOk = (dataType == DataBuffer.TYPE_BYTE  ||
                              dataType == DataBuffer.TYPE_SHORT ||
                              dataType == DataBuffer.TYPE_INT);

        if ((kJAI.getWidth()   == 3) && (kJAI.getHeight()  == 3) &&
            (kJAI.getXOrigin() == 1) && (kJAI.getYOrigin() == 1) && dataTypeOk) {
            return new Convolve3x3OpImage(source,
                                          extender,
                                          renderHints,
                                          layout,
                                          kJAI);
        } else if (kJAI.isSeparable()) {
           return new SeparableConvolveOpImage(source,
                                               extender,
                                               renderHints,
                                               layout,
                                               kJAI);
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Examples of javax.media.jai.KernelJAI

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            dataV = new float[height];
            Arrays.fill(dataV, 1.0F/(float)height);
        }

        // Construct a separable kernel.
        KernelJAI kernel = new KernelJAI(width, height, xOrigin, yOrigin,
                                         dataH, dataV);

        // Construct and return the OpImage.
        return new SeparableConvolveOpImage(paramBlock.getRenderedSource(0),
                                            extender,
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Examples of javax.media.jai.KernelJAI

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        BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
       
        RenderedImage source = paramBlock.getRenderedSource(0);

        // Get the Horizontal & Vertical kernels
        KernelJAI kern_h = (KernelJAI)paramBlock.getObjectParameter(0);
        KernelJAI kern_v = (KernelJAI)paramBlock.getObjectParameter(1);
       
        return new GradientOpImage(source,
                                   extender,
                                   renderHints,
                                   layout,
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Examples of javax.media.jai.KernelJAI

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                data[i] *= -1.0;
            }
            data[data.length/2] += 2.0F;
        }

        return new KernelJAI(size, size, data);
    }
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Examples of javax.media.jai.KernelJAI

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    /**
     * Implementation of "RIF" create().
     */
    public RenderedImage create(ParameterBlock paramBlock,
                                RenderingHints renderHints) {
        KernelJAI kernel = createKernel(paramBlock.getFloatParameter(0));

        return kernel == null ? paramBlock.getRenderedSource(0):
            JAI.create("convolve", paramBlock.getRenderedSource(0), kernel);
    }
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Examples of javax.media.jai.KernelJAI

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        // Get BorderExtender from renderHints if any.
        BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);

        KernelJAI unRotatedKernel =
            (KernelJAI)paramBlock.getObjectParameter(0);
        KernelJAI kJAI = unRotatedKernel.getRotatedKernel();

        int dataType =
           paramBlock.getRenderedSource(0).getSampleModel().getDataType();
        boolean dataTypeOk = (dataType == DataBuffer.TYPE_BYTE ||
                              dataType == DataBuffer.TYPE_SHORT ||
                              dataType == DataBuffer.TYPE_INT);

        if (kJAI.getWidth() == 3 && kJAI.getHeight() == 3 &&
            kJAI.getXOrigin() == 1 && kJAI.getYOrigin() == 1 &&
            dataTypeOk) {
            return new Convolve3x3OpImage(paramBlock.getRenderedSource(0),
                                          extender,
                                          renderHints,
                                          layout,
                                          kJAI);
        } else if (kJAI.isSeparable()) {
           return new SeparableConvolveOpImage(paramBlock.getRenderedSource(0),
                                               extender,
                                               renderHints,
                                               layout,
                                               kJAI);
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Examples of javax.media.jai.KernelJAI

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            // E. H. Adelson, "The Laplacian pyramid as a compact image code",
            // IEEE Transactions on Communications., pp. 532-540, 1983.

            // Add the filtering operation.
            ParameterBlock pb = new ParameterBlock();
            KernelJAI kernel = new KernelJAI(DEFAULT_KERNEL_1D.length,
                                             DEFAULT_KERNEL_1D.length,
                                             DEFAULT_KERNEL_1D.length/2,
                                             DEFAULT_KERNEL_1D.length/2,
                                             DEFAULT_KERNEL_1D,
                                             DEFAULT_KERNEL_1D);
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Examples of javax.media.jai.KernelJAI

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        // Get BorderExtender from renderHints if any.
        BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);

        KernelJAI unRotatedKernel =
            (KernelJAI)paramBlock.getObjectParameter(0);
        KernelJAI kJAI = unRotatedKernel.getRotatedKernel();

  RenderedImage source = paramBlock.getRenderedSource(0);
  SampleModel sm = source.getSampleModel();

  // check dataType and binary
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Examples of javax.media.jai.KernelJAI

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                                         StringBuffer msg) {
        if (!super.validateParameters(args, msg)) {
            return false;
        }

        KernelJAI h_kernel = (KernelJAI)args.getObjectParameter(0);
        KernelJAI v_kernel = (KernelJAI)args.getObjectParameter(1);

        /* Check if both kernels are equivalent in terms of dimensions. */
        if ((h_kernel.getWidth() != v_kernel.getWidth()) ||
            (h_kernel.getHeight() != v_kernel.getHeight())) {
            msg.append(getName() + " " +
                       JaiI18N.getString("GradientMagnitudeDescriptor1"));
                       return false;
        }
       
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