Package javax.media.jai

Examples of javax.media.jai.RasterAccessor

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                               WritableRaster dest,
                               Rectangle destRect) {
        // Retrieve format tags.
        RasterFormatTag[] formatTags = getFormatTags();

        RasterAccessor d = new RasterAccessor(dest, destRect,
                               formatTags[1], getColorModel());

        switch (d.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            computeRectByte(sources[0], d);
            break;
        case DataBuffer.TYPE_USHORT:
            computeRectUShort(sources[0], d);
            break;
        case DataBuffer.TYPE_SHORT:
            computeRectShort(sources[0], d);
            break;
        case DataBuffer.TYPE_INT:
            computeRectInt(sources[0], d);
            break;
        case DataBuffer.TYPE_FLOAT:
            computeRectFloat(sources[0], d);
            break;
        case DataBuffer.TYPE_DOUBLE:
            computeRectDouble(sources[0], d);
            break;
        }

        if (d.isDataCopy()) {
            d.clampDataArrays();
            d.copyDataToRaster();
        }
    }
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                               Rectangle destRect) {
        // Get RasterAccessor tags (initialized in OpImage superclass).
        RasterFormatTag[] formatTags = getFormatTags();

        // Get destination accessor.
        RasterAccessor dst = new RasterAccessor(dest, destRect, 
                                                formatTags[1],
                                                getColorModel());

        // Backward map destination rectangle to source and clip to the
        // source image bounds (mapDestRect() does not clip automatically).
        Rectangle srcRect =
            mapDestRect(destRect, 0).intersection(sources[0].getBounds());

        // Get source accessor.
        RasterAccessor src =
            new RasterAccessor(sources[0],
                               srcRect,
                               formatTags[0],
                               getSourceImage(0).getColorModel());

        switch(dst.getDataType()) {
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        Raster source = sources[0];
        Rectangle srcRect = mapDestRect(destRect, 0);
        RasterAccessor srcAccessor =
            new RasterAccessor(source, srcRect,
                               formatTags[0],
                               getSourceImage(0).getColorModel());
        RasterAccessor dstAccessor =
            new RasterAccessor(dest, destRect, 
                               formatTags[1], getColorModel());
        switch (dstAccessor.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            byteLoop(srcAccessor, dstAccessor, maskSize);
            break;
        case DataBuffer.TYPE_SHORT:
            shortLoop(srcAccessor, dstAccessor, maskSize);
            break;
        case DataBuffer.TYPE_USHORT:
            ushortLoop(srcAccessor, dstAccessor, maskSize);
            break;
        case DataBuffer.TYPE_INT:
            intLoop(srcAccessor, dstAccessor, maskSize);
            break;
        case DataBuffer.TYPE_FLOAT:
            floatLoop(srcAccessor, dstAccessor, maskSize);
            break;
        case DataBuffer.TYPE_DOUBLE:
            doubleLoop(srcAccessor, dstAccessor, maskSize);
            break;
        }
        // If the RasterAccessor object set up a temporary buffer for the
        // op to write to, tell the RasterAccessor to write that data
        // to the raster no that we're done with it.
        if (dstAccessor.isDataCopy()) {
            dstAccessor.clampDataArrays();
            dstAccessor.copyDataToRaster();
        }
    }
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        RasterFormatTag[] formatTags = getFormatTags();

        Raster source = sources[0];
        Rectangle srcRect = mapDestRect(destRect, 0);
        RasterAccessor srcAccessor =
            new RasterAccessor(source,
                               srcRect,
                               formatTags[0], getSourceImage(0).getColorModel());
        RasterAccessor dstAccessor =
            new RasterAccessor(dest,
                               destRect,
                               formatTags[1], getColorModel());
        switch (dstAccessor.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            byteLoop(srcAccessor, dstAccessor);
            break;
        case DataBuffer.TYPE_INT:
            intLoop(srcAccessor, dstAccessor);
            break;
        case DataBuffer.TYPE_SHORT:
            shortLoop(srcAccessor, dstAccessor);
            break;
        case DataBuffer.TYPE_USHORT:
            ushortLoop(srcAccessor, dstAccessor);
            break;
        case DataBuffer.TYPE_FLOAT:
            floatLoop(srcAccessor, dstAccessor);
            break;
        case DataBuffer.TYPE_DOUBLE:
            doubleLoop(srcAccessor, dstAccessor);
            break;

        default:
        }
        // If the RasterAccessor object set up a temporary buffer for the
        // op to write to, tell the RasterAccessor to write that data
        // to the raster no that we're done with it.
        if (dstAccessor.isDataCopy()) {
            dstAccessor.clampDataArrays();
            dstAccessor.copyDataToRaster();
        }
    }
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        Raster source = sources[0];
  // Get the source rectangle
        Rectangle srcRect = source.getBounds();

        RasterAccessor srcAccessor =
            new RasterAccessor(source, srcRect, 
                               formatTags[0], getSource(0).getColorModel());

        RasterAccessor dstAccessor =
            new RasterAccessor(dest, destRect, formatTags[1], getColorModel());

  int dwidth = destRect.width;
  int dheight = destRect.height;
        int srcPixelStride = srcAccessor.getPixelStride();
  int srcScanlineStride = srcAccessor.getScanlineStride();

  int[] ypos = new int[dheight];
  int[] xpos = new int[dwidth];

  int   xfracvalues[] = null, yfracvalues[] = null;
  float xfracvaluesFloat[] = null, yfracvaluesFloat[] = null;

        switch (dstAccessor.getDataType()) {
        case DataBuffer.TYPE_BYTE:
        case DataBuffer.TYPE_SHORT:
        case DataBuffer.TYPE_USHORT:
        case DataBuffer.TYPE_INT:
       yfracvalues = new int[dheight];
       xfracvalues = new int[dwidth];
       preComputePositionsInt(destRect, srcRect.x, srcRect.y,
      srcPixelStride, srcScanlineStride,
      xpos, ypos, xfracvalues, yfracvalues);
       break;

  case DataBuffer.TYPE_FLOAT:
  case DataBuffer.TYPE_DOUBLE:
       yfracvaluesFloat = new float[dheight];
       xfracvaluesFloat = new float[dwidth];
       preComputePositionsFloat(destRect, srcRect.x, srcRect.y,
      srcPixelStride, srcScanlineStride,
      xpos, ypos, xfracvaluesFloat, yfracvaluesFloat);
             break;

        default:
            throw
    new RuntimeException(JaiI18N.getString("OrderedDitherOpImage0"));
        }

        switch (dstAccessor.getDataType()) {

        case DataBuffer.TYPE_BYTE:
            byteLoop(srcAccessor, destRect, dstAccessor,
      xpos, ypos, xfracvalues, yfracvalues);
            break;

        case DataBuffer.TYPE_SHORT:
      shortLoop(srcAccessor, destRect, dstAccessor,
      xpos, ypos, xfracvalues, yfracvalues);
            break;

        case DataBuffer.TYPE_USHORT:
      ushortLoop(srcAccessor, destRect, dstAccessor,
      xpos, ypos, xfracvalues, yfracvalues);
            break;

        case DataBuffer.TYPE_INT:
      intLoop(srcAccessor, destRect, dstAccessor,
      xpos, ypos, xfracvalues, yfracvalues);
            break;

  case DataBuffer.TYPE_FLOAT:
      floatLoop(srcAccessor, destRect, dstAccessor,
      xpos, ypos, xfracvaluesFloat, yfracvaluesFloat);
      break;

  case DataBuffer.TYPE_DOUBLE:
      doubleLoop(srcAccessor, destRect, dstAccessor,
      xpos, ypos, xfracvaluesFloat, yfracvaluesFloat);
      break;

        default:
      throw
    new RuntimeException(JaiI18N.getString("OrderedDitherOpImage0"));
        }

        // If the RasterAccessor object set up a temporary buffer for the
        // op to write to, tell the RasterAccessor to write that data
        // to the raster now that we're done with it.
        if (dstAccessor.isDataCopy()) {
            dstAccessor.clampDataArrays();
            dstAccessor.copyDataToRaster();
        }
    }
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                               Rectangle destRect) {
        // Retrieve format tags.
        RasterFormatTag[] formatTags = getFormatTags();

        /* For ColormapOpImage, srcRect = destRect. */
        RasterAccessor src = new RasterAccessor(sources[0], destRect, 
                                                formatTags[0],
                                                getSource(0).getColorModel());
        RasterAccessor dst = new RasterAccessor(dest, destRect, 
                                               formatTags[1], getColorModel());

        if(dst.isBinary()) {
            byte[] srcBits = src.getBinaryDataArray();
            byte[] dstBits = dst.getBinaryDataArray();

            int length = dstBits.length;
            for(int i = 0; i < length; i++) {
                dstBits[i] = (byte)(~(srcBits[i]));
            }

            dst.copyBinaryDataToRaster();

      return;
        }

        int srcLineStride = src.getScanlineStride();
        int srcPixelStride = src.getPixelStride();
        int[] srcBandOffsets = src.getBandOffsets();

        int dstNumBands = dst.getNumBands();
        int dstWidth = dst.getWidth();
        int dstHeight = dst.getHeight();
        int dstLineStride = dst.getScanlineStride();
        int dstPixelStride = dst.getPixelStride();
        int[] dstBandOffsets = dst.getBandOffsets();

        switch (dst.getDataType()) {
     
        case DataBuffer.TYPE_BYTE:
            byteLoop(dstNumBands, dstWidth, dstHeight,
                     srcLineStride, srcPixelStride,
                     srcBandOffsets, src.getByteDataArrays(),
                     dstLineStride, dstPixelStride,
                     dstBandOffsets, dst.getByteDataArrays());
            break;
     
        case DataBuffer.TYPE_USHORT:
        case DataBuffer.TYPE_SHORT:
            shortLoop(dstNumBands, dstWidth, dstHeight,
          srcLineStride, srcPixelStride,
          srcBandOffsets, src.getShortDataArrays(),
          dstLineStride, dstPixelStride,
          dstBandOffsets, dst.getShortDataArrays());
            break;
     
        case DataBuffer.TYPE_INT:
            intLoop(dstNumBands, dstWidth, dstHeight,
                    srcLineStride, srcPixelStride,
                    srcBandOffsets, src.getIntDataArrays(),
                    dstLineStride, dstPixelStride,
                    dstBandOffsets, dst.getIntDataArrays());
            break;
        }
 
        dst.copyDataToRaster();
    }
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        // Retrieve format tags.
        RasterFormatTag[] formatTags = getFormatTags();

        Rectangle srcRect = mapDestRect(destRect, 0);

        RasterAccessor dst = new RasterAccessor(dest, destRect, 
                                                formatTags[1], getColorModel());
        RasterAccessor src = new RasterAccessor(sources[0], srcRect, 
                                                formatTags[0],
                                                getSourceImage(0).getColorModel());
        switch (dst.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            computeRectByte(src, dst);
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                               Rectangle destRect) {
        // Retrieve format tags.
        RasterFormatTag[] formatTags = getFormatTags();

        /* For PointOpImage, srcRect = destRect. */
        RasterAccessor s1 = new RasterAccessor(sources[0], destRect, 
                                               formatTags[0],
                                               getSource(0).getColorModel());
        RasterAccessor s2 = new RasterAccessor(sources[1], destRect,
                                               formatTags[1],
                                               getSource(1).getColorModel());
        RasterAccessor d = new RasterAccessor(dest, destRect, 
                                              formatTags[2], getColorModel());

        switch (d.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            computeRectByte(s1, s2, d);
            break;
        case DataBuffer.TYPE_USHORT:
            computeRectUShort(s1, s2, d);
            break;
        case DataBuffer.TYPE_SHORT:
            computeRectShort(s1, s2, d);
            break;
        case DataBuffer.TYPE_INT:
            computeRectInt(s1, s2, d);
            break;
        case DataBuffer.TYPE_FLOAT:
            computeRectFloat(s1, s2, d);
            break;
        case DataBuffer.TYPE_DOUBLE:
            computeRectDouble(s1, s2, d);
            break;
        }

        if (d.isDataCopy()) {
            d.clampDataArrays();
            d.copyDataToRaster();
        }
    }
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        RasterFormatTag[] formatTags = getFormatTags();

        Raster source = sources[0];
        Rectangle srcRect = mapDestRect(destRect, 0);

        RasterAccessor srcAccessor =
            new RasterAccessor(source,srcRect,
                               formatTags[0],
                               getSourceImage(0).getColorModel());

        RasterAccessor dstAccessor =
            new RasterAccessor(dest,destRect,
                               formatTags[1], getColorModel());

        if(dstAccessor.isBinary()) {
            byte[] srcBits = srcAccessor.getBinaryDataArray();
            byte[] dstBits = dstAccessor.getBinaryDataArray();

            System.arraycopy(srcBits, 0, dstBits, 0, dstBits.length);

            dstAccessor.copyBinaryDataToRaster();
        } else {
            switch (dstAccessor.getDataType()) {
            case DataBuffer.TYPE_BYTE:
                byteLoop(srcAccessor,dstAccessor);
                break;
            case DataBuffer.TYPE_SHORT:
            case DataBuffer.TYPE_USHORT:
                shortLoop(srcAccessor,dstAccessor);
                break;
            case DataBuffer.TYPE_INT:
                intLoop(srcAccessor,dstAccessor);
                break;
            case DataBuffer.TYPE_FLOAT:
                floatLoop(srcAccessor,dstAccessor);
                break;
            case DataBuffer.TYPE_DOUBLE:
                doubleLoop(srcAccessor,dstAccessor);
                break;
            default:
                String className = this.getClass().getName();
                throw new RuntimeException(JaiI18N.getString("Convolve3x3OpImage1"));
            }

            // If the RasterAccessor object set up a temporary buffer for the
            // op to write to, tell the RasterAccessor to write that data
            // to the raster no that we're done with it.
            if (dstAccessor.isDataCopy()) {
                dstAccessor.clampDataArrays();
                dstAccessor.copyDataToRaster();
            }
        }
    }
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                               WritableRaster dest,
                               Rectangle destRect) {
        // Retrieve format tags.
        RasterFormatTag[] formatTags = getFormatTags();

        RasterAccessor s1 = new RasterAccessor(sources[0], destRect, 
                                               formatTags[0],
                                               getSource(0).getColorModel());
        RasterAccessor s2 = new RasterAccessor(sources[1], destRect, 
                                               formatTags[1],
                                               getSource(1).getColorModel());
        RasterAccessor d = new RasterAccessor(dest, destRect, 
                                              formatTags[2], getColorModel());
        if(d.isBinary()) {
            byte[] src1Bits = s1.getBinaryDataArray();
            byte[] src2Bits = s2.getBinaryDataArray();
            byte[] dstBits = d.getBinaryDataArray();

            int length = dstBits.length;
            for(int i = 0; i < length; i++) {
                // "Subtract" is equivalent to the following
                // when -1 is clamped to 0.
                dstBits[i] = (byte)(src1Bits[i] & (byte)(~(src2Bits[i])));
            }

            d.copyBinaryDataToRaster();

      return;
        }

        switch (d.getDataType()) {
        case DataBuffer.TYPE_BYTE:
            computeRectByte(s1, s2, d);
            break;
        case DataBuffer.TYPE_USHORT:
            computeRectUShort(s1, s2, d);
            break;
        case DataBuffer.TYPE_SHORT:
            computeRectShort(s1, s2, d);
            break;
        case DataBuffer.TYPE_INT:
            computeRectInt(s1, s2, d);
            break;
        case DataBuffer.TYPE_FLOAT:
            computeRectFloat(s1, s2, d);
            break;
        case DataBuffer.TYPE_DOUBLE:
            computeRectDouble(s1, s2, d);
            break;
        }

        if (d.needsClamping()) {
            d.clampDataArrays();
        }

        d.copyDataToRaster();
    }
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Related Classes of javax.media.jai.RasterAccessor

  • com.alibaba.simpleimage.jai.scale.LanczosOpImage
  • com.alibaba.simpleimage.jai.scale.LanczosScaleOp
  • com.sun.media.jai.opimage.AbsoluteOpImage
  • com.sun.media.jai.opimage.AddCollectionOpImage
  • com.sun.media.jai.opimage.AddConstOpImage
  • com.sun.media.jai.opimage.AddOpImage
  • com.sun.media.jai.opimage.AffineBicubic2OpImage
  • com.sun.media.jai.opimage.AffineBicubicOpImage
  • com.sun.media.jai.opimage.AffineBilinearOpImage
  • com.sun.media.jai.opimage.AffineGeneralOpImage
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