Examples of javax.media.jai.BorderExtender

javax.media.jai.BorderExtender
An abstract superclass for classes that extend or "pad" a WritableRaster with additional pixel data taken from a PlanarImage. Instances of BorderExtender are used by the getExtendedData() and copyExtendedData() methods in PlanarImage.
Each instance of BorderExtender has an extend() method that takes a WritableRaster and a PlanarImage. The portion of the raster that intersects the bounds of the image will already contain a copy of the image data. The remaining area is to be filled in according to the policy of the BorderExtender subclass.
The standard subclasses of BorderExtender are BorderExtenderZero, which fills pixels with zeros; BorderExtenderConstant, which fills pixels with a given constant value; BorderExtenderCopy, which copies the edge pixels of the image; BorderExtenderWrap, which tiles the plane with repeating copies of the image; and BorderExtenderReflect, which is like BorderExtenderWrap except that each copy of the image is suitably reflected.
Instances of BorderExtenderConstant are constructed in the usual way. Instances of the other standard subclasses are obtained by means of the createInstance() method of this class.
BorderExtenderCopy is particularly useful as a way of padding image data prior to performing area or geometric operations such as convolution, scaling, and rotation. @see PlanarImage#getExtendedData @see PlanarImage#copyExtendedData @see BorderExtenderConstant @see BorderExtenderCopy @see BorderExtenderReflect @see BorderExtenderWrap @see BorderExtenderZero

      
      if (interpolation==RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR)
          params.add(Interpolation.getInstance(0));
      else if (interpolation==RenderingHints.VALUE_INTERPOLATION_BILINEAR) {
          params.add(Interpolation.getInstance(1));
          BorderExtender extender = BorderExtender.createInstance(1);
          hints = new RenderingHints(JAI.KEY_BORDER_EXTENDER, extender);
      } 
      else if (interpolation==RenderingHints.VALUE_INTERPOLATION_BICUBIC) {
          params.add(Interpolation.getInstance(2));
          BorderExtender extender = BorderExtender.createInstance(1);
          hints = new RenderingHints(JAI.KEY_BORDER_EXTENDER, extender);
      }
      // TODO
      Color bg = getGraphics().getBackground();
      params.add(new double[]{bg.getRed(),bg.getGreen(),bg.getBlue()});

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      params.add(x);
      params.add(y);
      params.add(angle);
      params.add(interp);
      params.add(new double[] { 0.0 });
      BorderExtender extender= new BorderExtenderConstant(new double[] { 0.0 });
      RenderingHints hints= new RenderingHints(JAI.KEY_BORDER_EXTENDER, extender);
      hints.add(new RenderingHints(JAI.KEY_REPLACE_INDEX_COLOR_MODEL, Boolean.TRUE));
      image(JAI.create("rotate", params, hints).getAsBufferedImage());
      if (alpha != null)image(addAlpha(image(), alpha, 0, 0));
    }

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/*  80 */     if ((!MediaLibAccessor.isMediaLibCompatible(args, layout)) || (!MediaLibAccessor.hasSameNumBands(args, layout)) || (source.getTileWidth() >= 32768) || (source.getTileHeight() >= 32768))
/*     */     {
/*  86 */       return null;
/*     */     }
/*     */ 
/*  90 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(hints);
/*     */ 
/*  96 */     float xScale = 1.0F;
/*  97 */     float yScale = 1.0F;
/*  98 */     if ((interp instanceof InterpolationNearest)) {
/*  99 */       return new MlibScaleNearestOpImage(source, extender, hints, layout, xScale, yScale, xTrans, yTrans, interp);

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/* 56 */     if ((!MediaLibAccessor.isMediaLibCompatible(paramBlock, layout)) || (!MediaLibAccessor.hasSameNumBands(paramBlock, layout)))
/*    */     {
/* 58 */       return null;
/*    */     }
/*    */ 
/* 62 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
/*    */ 
/* 64 */     MinFilterShape maskType = (MinFilterShape)paramBlock.getObjectParameter(0);
/*    */ 
/* 66 */     int maskSize = paramBlock.getIntParameter(1);
/* 67 */     RenderedImage ri = paramBlock.getRenderedSource(0);

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/*     */   {
/*  67 */     ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
/*     */ 
/*  70 */     TileCache cache = RIFUtil.getTileCacheHint(renderHints);
/*     */ 
/*  73 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
/*     */ 
/*  75 */     RenderedImage source = paramBlock.getRenderedSource(0);
/*  76 */     float xScale = paramBlock.getFloatParameter(0);
/*  77 */     float yScale = paramBlock.getFloatParameter(1);
/*  78 */     float xTrans = paramBlock.getFloatParameter(2);

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/*  61 */         return null;
/*     */       }
/*  63 */       isBinary = true;
/*     */     }
/*     */ 
/*  67 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(hints);
/*     */ 
/*  69 */     RenderedImage source = args.getRenderedSource(0);
/*     */ 
/*  71 */     KernelJAI unRotatedKernel = (KernelJAI)args.getObjectParameter(0);
/*  72 */     KernelJAI kJAI = unRotatedKernel.getRotatedKernel();

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/*     */   {
/*  67 */     ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
/*     */ 
/*  70 */     TileCache cache = RIFUtil.getTileCacheHint(renderHints);
/*     */ 
/*  73 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
/*     */ 
/*  75 */     RenderedImage source = paramBlock.getRenderedSource(0);
/*     */ 
/*  77 */     Object arg0 = paramBlock.getObjectParameter(0);
/*  78 */     AffineTransform transform = (AffineTransform)arg0;

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/* 55 */     if ((!MediaLibAccessor.isMediaLibCompatible(paramBlock, layout)) || (!MediaLibAccessor.hasSameNumBands(paramBlock, layout)))
/*    */     {
/* 57 */       return null;
/*    */     }
/*    */ 
/* 61 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
/*    */ 
/* 63 */     MedianFilterShape maskType = (MedianFilterShape)paramBlock.getObjectParameter(0);
/*    */ 
/* 65 */     int maskSize = paramBlock.getIntParameter(1);
/* 66 */     RenderedImage ri = paramBlock.getRenderedSource(0);

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/*    */ {
/*    */   public RenderedImage create(ParameterBlock paramBlock, RenderingHints renderHints)
/*    */   {
/* 60 */     ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
/*    */ 
/* 64 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(renderHints);
/*    */ 
/* 66 */     RenderedImage source = paramBlock.getRenderedSource(0);
/* 67 */     Warp warp = (Warp)paramBlock.getObjectParameter(0);
/* 68 */     Interpolation interp = (Interpolation)paramBlock.getObjectParameter(1);
/*    */

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/*  61 */         return null;
/*     */       }
/*  63 */       isBinary = true;
/*     */     }
/*     */ 
/*  67 */     BorderExtender extender = RIFUtil.getBorderExtenderHint(hints);
/*     */ 
/*  69 */     RenderedImage source = args.getRenderedSource(0);
/*     */ 
/*  71 */     KernelJAI unRotatedKernel = (KernelJAI)args.getObjectParameter(0);
/*  72 */     KernelJAI kJAI = unRotatedKernel.getRotatedKernel();

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Related Classes of javax.media.jai.BorderExtender

com.sun.media.jai.mlib.MlibAffineRIF

com.sun.media.jai.mlib.MlibConvolveRIF

com.sun.media.jai.mlib.MlibDilateRIF

com.sun.media.jai.mlib.MlibErodeRIF

com.sun.media.jai.mlib.MlibFilteredSubsampleRIF

com.sun.media.jai.mlib.MlibGradientRIF

com.sun.media.jai.mlib.MlibMaxFilterRIF

com.sun.media.jai.mlib.MlibMedianFilterRIF

com.sun.media.jai.mlib.MlibMinFilterRIF

com.sun.media.jai.mlib.MlibRotateRIF

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