Examples of java.awt.image.ComponentSampleModel.createDataBuffer()

Class java.awt.image.ComponentSampleModel

Examples of java.awt.image.ComponentSampleModel.createDataBuffer()

java.awt.image.ComponentSampleModel.createDataBuffer()
Creates a DataBuffer that corresponds to this ComponentSampleModel. The DataBuffer object's data type, number of banks, and size are be consistent with this ComponentSampleModel. @return a DataBuffer whose data type, number of banksand size are consistent with this ComponentSampleModel.

     * @see java.awt.image.RasterOp#createCompatibleDestRaster(java.awt.image.Raster)
     */
    public WritableRaster createCompatibleDestRaster(Raster src) {
        SampleModel sm = new ComponentSampleModel(DataBuffer.TYPE_BYTE,
            dstWidth, dstHeight, 0, 0, new int[]{0});
        return Raster.createWritableRaster(sm, sm.createDataBuffer(),
            new Point(0, 0));
    }


    /**
     * @see java.awt.image.BufferedImageOp#filter(java.awt.image.BufferedImage,

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{
  public void test(TestHarness harness)
  {
    ComponentSampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 5, 
            10, 3, 16, new int[] {0, 1, 2});
    DataBuffer db = m.createDataBuffer();
    harness.check(db.getNumBanks(), 1);
    db.setElem(0, 16, 0xAA);
    db.setElem(0, 17, 0xBB);
    db.setElem(0, 18, 0xCC);
    harness.check(m.getSample(0, 1, 0, db), 0xAA);

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  public void testMethod1(TestHarness harness)
  {
    harness.checkPoint("(int, int, int[], DataBuffer)");
    SampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 5, 10,
           3, 16, new int[] {0, 2, 1});
    DataBuffer db = m.createDataBuffer();
    int[] pixel = new int[3];
    m.getPixel(1, 2, pixel, db);
    harness.check(Arrays.equals(pixel, new int[] {0, 0, 0}));
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    m.getPixel(1, 2, pixel, db);

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  public void testMethod2(TestHarness harness)
  {
    harness.checkPoint("(int, int, float[], DataBuffer)");
    SampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 5, 10,
           3, 16, new int[] {0, 2, 1});
    DataBuffer db = m.createDataBuffer();
    float[] pixel = new float[3];
    m.getPixel(1, 2, pixel, db);
    harness.check(Arrays.equals(pixel, new float[] {0, 0, 0}));
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    m.getPixel(1, 2, pixel, db);

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  public void testMethod3(TestHarness harness)
  {
    harness.checkPoint("(int, int, float[], DataBuffer)");
    SampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 5, 10,
           3, 16, new int[] {0, 2, 1});
    DataBuffer db = m.createDataBuffer();
    float[] pixel = new float[3];
    m.getPixel(1, 2, pixel, db);
    harness.check(Arrays.equals(pixel, new float[] {0, 0, 0}));
    m.setPixel(1, 2, new int[] {1, 2, 3}, db);
    m.getPixel(1, 2, pixel, db);

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{
  public void test(TestHarness harness)
  {
    ComponentSampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 5, 
            10, 3, 16, new int[] {0, 1, 2});
    DataBuffer db = m.createDataBuffer();
    harness.check(db.getNumBanks(), 1);
    db.setElem(0, 16, 0xAA);
    db.setElem(0, 17, 0xBB);
    db.setElem(0, 18, 0xCC);
    harness.check(m.getSampleFloat(0, 1, 0, db), 0xAA);

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{
  public void test(TestHarness harness)
  {
    ComponentSampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 5, 
            10, 3, 16, new int[] {0, 1, 2});
    DataBuffer db = m.createDataBuffer();
    harness.check(db.getNumBanks(), 1);
    db.setElem(0, 16, 0xAA);
    db.setElem(0, 17, 0xBB);
    db.setElem(0, 18, 0xCC);
    harness.check(m.getSampleDouble(0, 1, 0, db), 0xAA);

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  public void testSingleBand(TestHarness harness)
  {
    ComponentSampleModel m = new ComponentSampleModel(DataBuffer.TYPE_BYTE, 10, 
            20, 1, 30, new int[] {0, 1, 2});
    DataBuffer db = m.createDataBuffer();
    harness.check(db.getDataType(), DataBuffer.TYPE_BYTE);
    harness.check(db.getNumBanks(), 1);
    harness.check(db.getSize(), 582);
    
    m = new ComponentSampleModel(DataBuffer.TYPE_INT, 5, 10, 1, 5,

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    harness.check(db.getNumBanks(), 1);
    harness.check(db.getSize(), 582);
    
    m = new ComponentSampleModel(DataBuffer.TYPE_INT, 5, 10, 1, 5, 
            new int[] {0, 1, 2});
    db = m.createDataBuffer();
    harness.check(db.getDataType(), DataBuffer.TYPE_INT);
    harness.check(db.getNumBanks(), 1);
    harness.check(db.getSize(), 52);


    m = new ComponentSampleModel(DataBuffer.TYPE_INT, 5, 10, 1, 6,

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    harness.check(db.getNumBanks(), 1);
    harness.check(db.getSize(), 52);


    m = new ComponentSampleModel(DataBuffer.TYPE_INT, 5, 10, 1, 6, 
            new int[] {0, 1, 2});
    db = m.createDataBuffer();
    harness.check(db.getDataType(), DataBuffer.TYPE_INT);
    harness.check(db.getNumBanks(), 1);
    harness.check(db.getSize(), 61);  


    m = new ComponentSampleModel(DataBuffer.TYPE_INT, 5, 10, 2, 10,

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