Examples of BandedSampleModel

ae.java.awt.image.BandedSampleModel
This class represents image data which is stored in a band interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer. It subclasses ComponentSampleModel but provides a more efficent implementation for accessing band interleaved image data than is provided by ComponentSampleModel. This class should typically be used when working with images which store sample data for each band in a different bank of the DataBuffer. Accessor methods are provided so that image data can be manipulated directly. Pixel stride is the number of data array elements between two samples for the same band on the same scanline. The pixel stride for a BandedSampleModel is one. Scanline stride is the number of data array elements between a given sample and the corresponding sample in the same column of the next scanline. Band offsets denote the number of data array elements from the first data array element of the bank of the DataBuffer holding each band to the first sample of the band. The bands are numbered from 0 to N-1. Bank indices denote the correspondence between a bank of the data buffer and a band of image data. This class supports {@link DataBuffer#TYPE_BYTE TYPE_BYTE}, {@link DataBuffer#TYPE_USHORT TYPE_USHORT}, {@link DataBuffer#TYPE_SHORT TYPE_SHORT}, {@link DataBuffer#TYPE_INT TYPE_INT}, {@link DataBuffer#TYPE_FLOAT TYPE_FLOAT}, and {@link DataBuffer#TYPE_DOUBLE TYPE_DOUBLE} datatypes
com.google.code.appengine.awt.image.BandedSampleModel
java.awt.image.BandedSampleModel
This class represents image data which is stored in a band interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer. It subclasses ComponentSampleModel but provides a more efficent implementation for accessing band interleaved image data than is provided by ComponentSampleModel. This class should typically be used when working with images which store sample data for each band in a different bank of the DataBuffer. Accessor methods are provided so that image data can be manipulated directly. Pixel stride is the number of data array elements between two samples for the same band on the same scanline. The pixel stride for a BandedSampleModel is one. Scanline stride is the number of data array elements between a given sample and the corresponding sample in the same column of the next scanline. Band offsets denote the number of data array elements from the first data array element of the bank of the DataBuffer holding each band to the first sample of the band. The bands are numbered from 0 to N-1. Bank indices denote the correspondence between a bank of the data buffer and a band of image data. This class supports {@link DataBuffer#TYPE_BYTE TYPE_BYTE}, {@link DataBuffer#TYPE_USHORT TYPE_USHORT}, {@link DataBuffer#TYPE_SHORT TYPE_SHORT}, {@link DataBuffer#TYPE_INT TYPE_INT}, {@link DataBuffer#TYPE_FLOAT TYPE_FLOAT}, and {@link DataBuffer#TYPE_DOUBLE TYPE_DOUBLE} datatypes

Examples of ae.java.awt.image.BandedSampleModel

                                                     hasAlpha,
                                                     isAlphaPremultiplied);


            int w = 1;
            int h = 1;
            this.sampleModel = new BandedSampleModel(dataType,
                                                     w, h,
                                                     w,
                                                     bankIndices,
                                                     bandOffsets);
        }

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Examples of ae.java.awt.image.BandedSampleModel

                "ushort DataBuffers");
        }
        DataBufferUShort dbus = (DataBufferUShort)dataBuffer;


        if (sampleModel instanceof BandedSampleModel) {
            BandedSampleModel bsm = (BandedSampleModel)sampleModel;
            this.scanlineStride = bsm.getScanlineStride();
            int bankIndices[] = bsm.getBankIndices();
            int bandOffsets[] = bsm.getBandOffsets();
            int dOffsets[] = dbus.getOffsets();
            dataOffsets = new int[bankIndices.length];
            data = new short[bankIndices.length][];
            int xOffset = aRegion.x - origin.x;
            int yOffset = aRegion.y - origin.y;

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Examples of ae.java.awt.image.BandedSampleModel

                "byte DataBuffers");
        }
        DataBufferByte dbb = (DataBufferByte)dataBuffer;


        if (sampleModel instanceof BandedSampleModel) {
            BandedSampleModel bsm = (BandedSampleModel)sampleModel;
            this.scanlineStride = bsm.getScanlineStride();
            int bankIndices[] = bsm.getBankIndices();
            int bandOffsets[] = bsm.getBandOffsets();
            int dOffsets[] = dbb.getOffsets();
            dataOffsets = new int[bankIndices.length];
            data = new byte[bankIndices.length][];
            int xOffset = aRegion.x - origin.x;
            int yOffset = aRegion.y - origin.y;

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Examples of com.google.code.appengine.awt.image.BandedSampleModel

                                                        hasAlpha,
                                                        isAlphaPremultiplied,
                                                        transparency,
                                                        dataType);
        
        SampleModel sampleModel = new BandedSampleModel(dataType,
                                                        1,
                                                        1,
                                                        1,
                                                        bankIndices,
                                                        bandOffsets);

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Examples of com.google.code.appengine.awt.image.BandedSampleModel

        super(dataType, w, h, 1, scanlineStride, bankIndices, bandOffsets);
    }


    @Override
    public SampleModel createCompatibleSampleModel(int w, int h) {
        return new BandedSampleModel(dataType, w, h, w, bankIndices,
                bandOffsets);
    }

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Examples of com.google.code.appengine.awt.image.BandedSampleModel

        for (int i = 0; i < bands.length; i++) {
            indices[i] = bankIndices[bands[i]];
            offsets[i] = bandOffsets[bands[i]];
        }


        return new BandedSampleModel(dataType, width, height, scanlineStride,
                indices, offsets);
    }

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Examples of com.google.code.appengine.awt.image.BandedSampleModel

                && dataType != DataBuffer.TYPE_INT) {
            // awt.230=dataType is not one of the supported data types
            throw new IllegalArgumentException(Messages.getString("awt.230")); //$NON-NLS-1$
        }


        BandedSampleModel sampleModel = new BandedSampleModel(dataType, w, h,
                scanlineStride, bankIndices, bandOffsets);


        return new OrdinaryWritableRaster(sampleModel, dataBuffer, location);
    }

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Examples of java.awt.image.BandedSampleModel

                                          int tileWidth,
                                          int tileHeight,
                                          int[] bankIndices,
                                          int[] bandOffsets) {
        SampleModel sm =
            new BandedSampleModel(dataType,
                                  tileWidth, tileHeight,
                                  tileWidth,
                                  bankIndices,
                                  bandOffsets);
        return new TiledImage(minX, minY, width, height,

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Examples of java.awt.image.BandedSampleModel

  
  public void testConstructor1(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, int)");
    
    BandedSampleModel m = new BandedSampleModel(DataBuffer.TYPE_SHORT, 10, 20, 2);
    harness.check(m.getDataType(), DataBuffer.TYPE_SHORT);
    harness.check(m.getWidth(), 10);
    harness.check(m.getHeight(), 20);
    harness.check(m.getNumBands(), 2);
    harness.check(m.getNumDataElements(), 2);
    harness.check(m.getScanlineStride(), 10);
    harness.check(m.getPixelStride(), 1);
    int[] bankIndices = m.getBankIndices();
    harness.check(bankIndices[0], 0);
    harness.check(bankIndices[1], 1);
   
    // check bad type
    boolean pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_UNDEFINED, 10, 20, 2);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);
    
    // check zero width 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 0, 20, 2);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);


    // check zero height 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 10, 0, 2);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);


    // check zero bands 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 10, 20, 0);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }

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Examples of java.awt.image.BandedSampleModel


  public void testConstructor2(TestHarness harness)
  {
    harness.checkPoint("(int, int, int, int, int[], int[])");
    
    BandedSampleModel m = new BandedSampleModel(DataBuffer.TYPE_SHORT, 10, 20, 10, new int[] {3, 2, 1}, new int[] {0, 0, 0});
    harness.check(m.getDataType(), DataBuffer.TYPE_SHORT);
    harness.check(m.getWidth(), 10);
    harness.check(m.getHeight(), 20);
    harness.check(m.getScanlineStride(), 10);
    harness.check(m.getPixelStride(), 1);
    harness.check(m.getNumBands(), 3);
    harness.check(m.getBankIndices()[0], 3);
    harness.check(m.getBankIndices()[1], 2);
    harness.check(m.getBankIndices()[2], 1);
    harness.check(m.getBandOffsets()[0], 0);
    harness.check(m.getBandOffsets()[1], 0);
    harness.check(m.getBandOffsets()[2], 0);
    
    // check bad type
    boolean pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_UNDEFINED, 10, 20, 10, new int[] {3, 2, 1}, new int[] {0, 0, 0});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);


    // check zero width 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 0, 20, 10, new int[] {3, 2, 1}, new int[] {0, 0, 0});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);


    // check zero height 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 10, 0, 10, new int[] {3, 2, 1}, new int[] {0, 0, 0});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);
        
    // check null indices 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 10, 20, 10, null, new int[] {0, 0, 0});
    }
    catch (NullPointerException e)
    {
      pass = true;   
    }
    harness.check(pass);
    
    // check null offsets 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 10, 20, 10, new int[] {3, 2, 1}, null);
    }
    catch (NullPointerException e)
    {
      pass = true;   
    }
    harness.check(pass);
    
    // check number of bands (inferred from array lengths) conflicting 
    pass = false;
    try
    {
      m = new BandedSampleModel(DataBuffer.TYPE_INT, 10, 20, 0, new int[] {2, 1}, new int[] {0, 0, 0});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }

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