Examples of java.awt.image.MultiPixelPackedSampleModel

java.awt.image.MultiPixelPackedSampleModel
The MultiPixelPackedSampleModel class represents one-banded images and can pack multiple one-sample pixels into one data element. Pixels are not allowed to span data elements. The data type can be DataBuffer.TYPE_BYTE, DataBuffer.TYPE_USHORT, or DataBuffer.TYPE_INT. Each pixel must be a power of 2 number of bits and a power of 2 number of pixels must fit exactly in one data element. Pixel bit stride is equal to the number of bits per pixel. Scanline stride is in data elements and the last several data elements might be padded with unused pixels. Data bit offset is the offset in bits from the beginning of the {@link DataBuffer} to the first pixel and must bea multiple of pixel bit stride.
The following code illustrates extracting the bits for pixel x, y from DataBuffer data and storing the pixel data in data elements of type dataType:
```
 int dataElementSize = DataBuffer.getDataTypeSize(dataType); int bitnum = dataBitOffset + x*pixelBitStride; int element = data.getElem(y*scanlineStride + bitnum/dataElementSize); int shift = dataElementSize - (bitnum & (dataElementSize-1)) - pixelBitStride; int pixel = (element >> shift) & ((1 << pixelBitStride) - 1); 
```


        // Ensure an appropriate SampleModel.
        if(colorMap.getNumBands() == 1 &&
           colorMap.getNumEntries() == 2 &&
           !ImageUtil.isBinary(il.getSampleModel(source))) {
            sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE,
                                                 il.getTileWidth(source),
                                                 il.getTileHeight(source),
                                                 1);
            il.setSampleModel(sm);
        }

View Full Code Here

  int dx = destRect.x;
  int dy = destRect.y;
  int dwidth = destRect.width;
  int dheight = destRect.height;


        MultiPixelPackedSampleModel sourceSM = 
            (MultiPixelPackedSampleModel)source.getSampleModel();
        DataBufferByte sourceDB =
            (DataBufferByte)source.getDataBuffer();
        int sourceTransX = source.getSampleModelTranslateX();
        int sourceTransY = source.getSampleModelTranslateY();
        int sourceDataBitOffset = sourceSM.getDataBitOffset();
        int sourceScanlineStride = sourceSM.getScanlineStride();


        MultiPixelPackedSampleModel destSM = 
            (MultiPixelPackedSampleModel)dest.getSampleModel();
        DataBufferByte destDB =
            (DataBufferByte)dest.getDataBuffer();
        int destMinX = dest.getMinX();
        int destMinY = dest.getMinY();
        int destTransX = dest.getSampleModelTranslateX();
        int destTransY = dest.getSampleModelTranslateY();
        int destDataBitOffset = destSM.getDataBitOffset();
        int destScanlineStride = destSM.getScanlineStride();


        byte[] sourceData = sourceDB.getData();
        int sourceDBOffset = sourceDB.getOffset();


        byte[] destData = destDB.getData();

View Full Code Here

  int dx = destRect.x;
  int dy = destRect.y;
  int dwidth = destRect.width;
  int dheight = destRect.height;


        MultiPixelPackedSampleModel sourceSM =
            (MultiPixelPackedSampleModel)source.getSampleModel();
        int sourceTransX = source.getSampleModelTranslateX();
        int sourceTransY = source.getSampleModelTranslateY();
        int sourceDataBitOffset = sourceSM.getDataBitOffset();
        int sourceScanlineStride = sourceSM.getScanlineStride();


        MultiPixelPackedSampleModel destSM = 
            (MultiPixelPackedSampleModel)dest.getSampleModel();
        int destMinX = dest.getMinX();
        int destMinY = dest.getMinY();
        int destTransX = dest.getSampleModelTranslateX();
        int destTransY = dest.getSampleModelTranslateY();
        int destDataBitOffset = destSM.getDataBitOffset();
        int destScanlineStride = destSM.getScanlineStride();


        DataBufferUShort sourceDB = (DataBufferUShort)source.getDataBuffer();
        short[] sourceData = sourceDB.getData();
        int sourceDBOffset = sourceDB.getOffset();

View Full Code Here

  int dx = destRect.x;
  int dy = destRect.y;
  int dwidth = destRect.width;
  int dheight = destRect.height;


        MultiPixelPackedSampleModel sourceSM =
            (MultiPixelPackedSampleModel)source.getSampleModel();
        DataBufferInt sourceDB =
            (DataBufferInt)source.getDataBuffer();
        int sourceTransX = source.getSampleModelTranslateX();
        int sourceTransY = source.getSampleModelTranslateY();
        int sourceDataBitOffset = sourceSM.getDataBitOffset();
        int sourceScanlineStride = sourceSM.getScanlineStride();


        MultiPixelPackedSampleModel destSM = 
            (MultiPixelPackedSampleModel)dest.getSampleModel();
        DataBufferInt destDB =
            (DataBufferInt)dest.getDataBuffer();
        int destMinX = dest.getMinX();
        int destMinY = dest.getMinY();
        int destTransX = dest.getSampleModelTranslateX();
        int destTransY = dest.getSampleModelTranslateY();
        int destDataBitOffset = destSM.getDataBitOffset();
        int destScanlineStride = destSM.getScanlineStride();


        int[] sourceData = sourceDB.getData();
        int sourceDBOffset = sourceDB.getOffset();


        int[] destData = destDB.getData();

View Full Code Here

        ImageLayout layout = (il == null) ?
            new ImageLayout() : (ImageLayout)il.clone();


        SampleModel sm = layout.getSampleModel(source);
        if(!ImageUtil.isBinary(sm)) {
            sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE,
                                                 layout.getTileWidth(source),
                                                 layout.getTileHeight(source),
                                                 1);
            layout.setSampleModel(sm);
        }

View Full Code Here


  private void byteLoop(Raster source, WritableRaster dest,
                        int dx, int dy, int dwidth, int dheight,
                        int[] xvalues, int[] yvalues,
                        int[] xfracvalues, int[] yfracvalues) {
    MultiPixelPackedSampleModel sourceSM = (MultiPixelPackedSampleModel)source.getSampleModel();
    DataBufferByte sourceDB = (DataBufferByte)source.getDataBuffer();
    int sourceTransX = source.getSampleModelTranslateX();
    int sourceTransY = source.getSampleModelTranslateY();
    int sourceDataBitOffset = sourceSM.getDataBitOffset();
    int sourceScanlineStride = sourceSM.getScanlineStride();
    
    MultiPixelPackedSampleModel destSM = (MultiPixelPackedSampleModel)dest.getSampleModel();
    DataBufferByte destDB = (DataBufferByte)dest.getDataBuffer();
    int destMinX = dest.getMinX();
    int destMinY = dest.getMinY();
    int destTransX = dest.getSampleModelTranslateX();
    int destTransY = dest.getSampleModelTranslateY();
    int destDataBitOffset = destSM.getDataBitOffset();
    int destScanlineStride = destSM.getScanlineStride();
    
    byte[] sourceData = sourceDB.getData();
    int sourceDBOffset = sourceDB.getOffset();
    
    byte[] destData = destDB.getData();

View Full Code Here

  private void shortLoop(Raster source, WritableRaster dest,
                        int dx, int dy, int dwidth, int dheight,
                        int[] xvalues, int[] yvalues,
                        int[] xfracvalues, int[] yfracvalues) 
  {
    MultiPixelPackedSampleModel sourceSM =  (MultiPixelPackedSampleModel)source.getSampleModel();
    int sourceTransX = source.getSampleModelTranslateX();
    int sourceTransY = source.getSampleModelTranslateY();
    int sourceDataBitOffset = sourceSM.getDataBitOffset();
    int sourceScanlineStride = sourceSM.getScanlineStride();
    
    MultiPixelPackedSampleModel destSM = (MultiPixelPackedSampleModel) dest.getSampleModel();
    int destMinX = dest.getMinX();
    int destMinY = dest.getMinY();
    int destTransX = dest.getSampleModelTranslateX();
    int destTransY = dest.getSampleModelTranslateY();
    int destDataBitOffset = destSM.getDataBitOffset();
    int destScanlineStride = destSM.getScanlineStride();
    
    DataBufferUShort sourceDB = (DataBufferUShort) source.getDataBuffer();
    short[] sourceData = sourceDB.getData();
    int sourceDBOffset = sourceDB.getOffset();

View Full Code Here

  private void intLoop(Raster source, WritableRaster dest,
                        int dx, int dy, int dwidth, int dheight,
                        int[] xvalues, int[] yvalues,
                        int[] xfracvalues, int[] yfracvalues) 
  {
    MultiPixelPackedSampleModel sourceSM = (MultiPixelPackedSampleModel)source.getSampleModel();
    DataBufferInt sourceDB = (DataBufferInt)source.getDataBuffer();
    int sourceTransX = source.getSampleModelTranslateX();
    int sourceTransY = source.getSampleModelTranslateY();
    int sourceDataBitOffset = sourceSM.getDataBitOffset();
    int sourceScanlineStride = sourceSM.getScanlineStride();
    
    MultiPixelPackedSampleModel destSM =  (MultiPixelPackedSampleModel)dest.getSampleModel();
    DataBufferInt destDB = (DataBufferInt)dest.getDataBuffer();
    int destMinX = dest.getMinX();
    int destMinY = dest.getMinY();
    int destTransX = dest.getSampleModelTranslateX();
    int destTransY = dest.getSampleModelTranslateY();
    int destDataBitOffset = destSM.getDataBitOffset();
    int destScanlineStride = destSM.getScanlineStride();
    
    int[] sourceData = sourceDB.getData();
    int sourceDBOffset = sourceDB.getOffset();
    
    int[] destData = destDB.getData();

View Full Code Here


        // Ensure an appropriate SampleModel.
        if(colormap.getNumBands() == 1 &&
           colormap.getNumEntries() == 2 &&
           !ImageUtil.isBinary(il.getSampleModel(source))) {
            sm = new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE,
                                                 il.getTileWidth(source),
                                                 il.getTileHeight(source),
                                                 1);
            il.setSampleModel(sm);
        }

View Full Code Here

                lineStride = (rect.width + 7)/8;
                offset = bitOffset = 0;


            } else {


                MultiPixelPackedSampleModel sm =
                    (MultiPixelPackedSampleModel)sampleModel;


                DataBuffer db = raster.getDataBuffer();
                int dbOffset = db.getOffset();


                int x = rect.x - raster.getSampleModelTranslateX();
                int y = rect.y - raster.getSampleModelTranslateY();


                int smLineStride = sm.getScanlineStride();
                int minOffset = sm.getOffset(x, y) + dbOffset;
                int maxOffset = sm.getOffset(x + rect.width - 1, y) + dbOffset;
                int numElements = maxOffset - minOffset + 1;  // per line
                int smBitOffset = sm.getBitOffset(x);


                switch (bufferType) {  // DataBuffer type
                case DataBuffer.TYPE_BYTE:  // no need to copy
                    data = ((DataBufferByte)db).getData();
                    lineStride = smLineStride;

View Full Code Here

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