Package com.lightcrafts.mediax.jai

Examples of com.lightcrafts.mediax.jai.ROI

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            if (property == null ||
                property.equals(java.awt.Image.UndefinedProperty) ||
                !(property instanceof ROI)) {
                return java.awt.Image.UndefinedProperty;
            }
            ROI srcROI = (ROI)property;

            // Determine the effective source bounds.
            Rectangle srcBounds = new Rectangle(src.getMinX(),
            src.getMinY(),
            src.getWidth(),
            src.getHeight());

            // If necessary, clip the ROI to the effective source bounds.
            if(!srcBounds.contains(srcROI.getBounds())) {
                srcROI = srcROI.intersect(new ROIShape(srcBounds));
            }

            // Retrieve the scale factors and translation values.
            float sx = pb.getFloatParameter(0);
            float sy = pb.getFloatParameter(1);

            // Create an equivalent transform.
            AffineTransform transform =
                new AffineTransform(sx, 0.0, 0.0, sy, 0.0, 0.0);

            // Create the scaled ROI.
            ROI dstROI = srcROI.transform(transform);

            // Retrieve the destination bounds.
            Rectangle dstBounds = op.getBounds();

            // If necessary, clip the warped ROI to the destination bounds.
            if(!dstBounds.contains(dstROI.getBounds())) {
                dstROI = dstROI.intersect(new ROIShape(dstBounds));
            }

            // Return the warped and possibly clipped ROI.
            return dstROI;
        }
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        ColorQuantizerType algorithm =
            (ColorQuantizerType)paramBlock.getObjectParameter(0);
        int maxColorNum = paramBlock.getIntParameter(1);
        int upperBound = paramBlock.getIntParameter(2);
        ROI roi= (ROI)paramBlock.getObjectParameter(3);
        int xPeriod = paramBlock.getIntParameter(4);
        int yPeriod = paramBlock.getIntParameter(5);

        // check if 3-band byte-type image
  SampleModel sm = source.getSampleModel();
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        if (!MediaLibAccessor.isMediaLibCompatible(args)) {
            return null;
        }

  RenderedImage source = args.getRenderedSource(0);
  ROI roi = (ROI)args.getObjectParameter(0);
        int xPeriod = args.getIntParameter(1);
        int yPeriod = args.getIntParameter(2);
 
        int xStart = source.getMinX();  // default values
        int yStart = source.getMinY();

        int maxWidth = source.getWidth();
        int maxHeight = source.getHeight();

        if (roi != null &&
            !roi.contains(xStart, yStart, maxWidth, maxHeight)) {
            return null;
        }

  // mediaLib supports only a sampling period of 1
  if ((xPeriod != 1) || (yPeriod != 1)) {
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        int yStart = src.getMinY();

        int maxWidth = src.getWidth();
        int maxHeight = src.getHeight();

        ROI roi = (ROI)args.getObjectParameter(0);
        int xPeriod = args.getIntParameter(1);
        int yPeriod = args.getIntParameter(2);
        int[] numBins = (int[])args.getObjectParameter(3);
        double[] lowValue = (double[])args.getObjectParameter(4);
        double[] highValue = (double[])args.getObjectParameter(5);
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      if (property == null ||
    property.equals(java.awt.Image.UndefinedProperty) ||
    !(property instanceof ROI)) {
    return null;
      }
      ROI srcROI = (ROI)property;

      // Determine the effective source bounds.
      Rectangle srcBounds = null;
      PlanarImage dst = op.getRendering();
      if(dst instanceof WarpOpImage && !((OpImage)dst).hasExtender(0)) {
    WarpOpImage warpIm = (WarpOpImage)dst;
    srcBounds =
        new Rectangle(src.getMinX() + warpIm.getLeftPadding(),
          src.getMinY() + warpIm.getTopPadding(),
          src.getWidth() - warpIm.getWidth() + 1,
          src.getHeight() - warpIm.getHeight() + 1);
      } else {
    srcBounds = new Rectangle(src.getMinX(),
            src.getMinY(),
            src.getWidth(),
            src.getHeight());
      }

      // If necessary, clip the ROI to the effective source bounds.
      if(!srcBounds.contains(srcROI.getBounds())) {
    srcROI = srcROI.intersect(new ROIShape(srcBounds));
      }

      // Retrieve the scale factors
      float sx = 1.0F/pb.getIntParameter(1);
      float sy = 1.0F/pb.getIntParameter(2);

      // Create an equivalent transform.
      AffineTransform transform =
    new AffineTransform(sx, 0.0, 0.0, sy, 0, 0);

      // Create the scaled ROI.
      ROI dstROI = srcROI.transform(transform);

      // Retrieve the destination bounds.
      Rectangle dstBounds = op.getBounds();

      // If necessary, clip the warped ROI to the destination bounds.
      if(!dstBounds.contains(dstROI.getBounds())) {
    dstROI = dstROI.intersect(new ROIShape(dstBounds));
      }

      // Return the warped and possibly clipped ROI.
      return dstROI;
  } else {
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                !(property instanceof ROI)) {
                return java.awt.Image.UndefinedProperty;
            }

            // Return undefined also if source ROI is empty.
            ROI srcROI = (ROI)property;
            if (srcROI.getBounds().isEmpty()) {
                return java.awt.Image.UndefinedProperty;
            }

            // Retrieve the Interpolation object.
            Interpolation interp = (Interpolation)pb.getObjectParameter(1);

            // Determine the effective source bounds.
            Rectangle srcBounds = null;
            PlanarImage dst = op.getRendering();
            if (dst instanceof GeometricOpImage &&
                ((GeometricOpImage)dst).getBorderExtender() == null) {
                srcBounds =
                    new Rectangle(src.getMinX() + interp.getLeftPadding(),
                                  src.getMinY() + interp.getTopPadding(),
                                  src.getWidth() - interp.getWidth() + 1,
                                  src.getHeight() - interp.getHeight() + 1);
            } else {
                srcBounds = new Rectangle(src.getMinX(),
            src.getMinY(),
            src.getWidth(),
            src.getHeight());
            }

            // If necessary, clip the ROI to the effective source bounds.
            if(!srcBounds.contains(srcROI.getBounds())) {
                srcROI = srcROI.intersect(new ROIShape(srcBounds));
            }

            // Set the nearest neighbor interpolation object.
            Interpolation interpNN = interp instanceof InterpolationNearest ?
                interp :
                Interpolation.getInstance(Interpolation.INTERP_NEAREST);

            // Retrieve the Warp object.
            Warp warp = (Warp)pb.getObjectParameter(0);

            // Create the warped ROI.
            ROI dstROI = new ROI(JAI.create("warp", srcROI.getAsImage(),
                                            warp, interpNN));

            // Retrieve the destination bounds.
            Rectangle dstBounds = op.getBounds();

            // If necessary, clip the warped ROI to the destination bounds.
            if(!dstBounds.contains(dstROI.getBounds())) {
                dstROI = dstROI.intersect(new ROIShape(dstBounds));
            }

            // Return the warped and possibly clipped ROI.
            return dstROI;
        }
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                                                       il);

                PlanarImage constImage = JAI.create("constant", pb, rh);

                // Compute a complement ROI.
                ROI complementROI =
                    (new ROIShape(ti.getBounds())).subtract(roi);;

                // Fill the background.
                int maxTileY = ti.getMaxTileY();
                int maxTileX = ti.getMaxTileX();
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Related Classes of com.lightcrafts.mediax.jai.ROI

  • com.lightcrafts.media.jai.mlib.MlibExtremaRIF
  • com.lightcrafts.media.jai.mlib.MlibHistogramRIF
  • com.lightcrafts.media.jai.mlib.MlibMeanRIF
  • com.lightcrafts.media.jai.opimage.ColorQuantizerRIF
  • com.lightcrafts.media.jai.opimage.HistogramRIF
  • com.lightcrafts.media.jai.opimage.IIPCRIF
  • com.lightcrafts.media.jai.util.AreaOpPropertyGenerator
  • com.lightcrafts.mediax.jai.operator.AffinePropertyGenerator
  • com.lightcrafts.mediax.jai.operator.FilteredSubsamplePropertyGenerator
  • com.lightcrafts.mediax.jai.operator.RotatePropertyGenerator
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