Package java.awt.image

Examples of java.awt.image.DataBufferUShort

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  public void test(TestHarness h)
  {
    DataBuffer buf;
    short[] data = new short[] { -11, -22, -33, -44 };
   
    buf = new DataBufferUShort(new short[][] { data, data }, 2,
                               new int[] { 2, 0 });

    h.check(buf.getElem(0), 0x10000 - 33);    // Check #1.
    h.check(buf.getElem(1), 0x10000 - 44);    // Check #2.
    h.check(buf.getElem(0, 0), 0x10000 - 33); // Check #3.
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  {
    harness.checkPoint("getElem(int)"); 
     
    // test where supplied array is bigger than 'size'
    short[] source = new short[] {1, 2, 3};
    DataBufferUShort b = new DataBufferUShort(source, 2);
    harness.check(b.getElem(0) == 1);
    harness.check(b.getElem(1) == 2);
    harness.check(b.getElem(2) == 3);
   
    boolean pass = false;
    try
    {
      b.getElem(-1);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
   
    pass = false;
    try
    {
      b.getElem(3);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
   
    // test where offsets are specified
    source = new short[] {1, 2, 3, 4};
    b = new DataBufferUShort(source, 2, 1);
    harness.check(b.getElem(-1) == 1);
    harness.check(b.getElem(0) == 2);
    harness.check(b.getElem(1) == 3);
    harness.check(b.getElem(2) == 4);

    pass = false;
    try
    {
      b.getElem(3);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);

    pass = false;
    try
    {
      b.getElem(-2);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
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  private void testGetElem2(TestHarness harness) {
    harness.checkPoint("getElem(int, int)"); 
   
    short[][] source = new short[][] {{1, 2}, {3, 4}};
    DataBufferUShort b = new DataBufferUShort(source, 2);
    harness.check(b.getElem(1, 0) == 3);
    harness.check(b.getElem(1, 1) == 4);
   
    // test where supplied array is bigger than 'size'
    source = new short[][] {{1, 2, 3}, {4, 5, 6}};
    b = new DataBufferUShort(source, 2);
    harness.check(b.getElem(1, 2) == 6);
     
    // test where offsets are specified
    source = new short[][] {{1, 2, 3, 4}, {5, 6, 7, 8}};
    b = new DataBufferUShort(source, 2, new int[] {1, 2});
    harness.check(b.getElem(1, -2) == 5);
    harness.check(b.getElem(1, -1) == 6);
    harness.check(b.getElem(1, 0) == 7);
    harness.check(b.getElem(1, 1) == 8);
      
    // does a change to the source affect the DataBuffer? Yes
    source[1][2] = 99;
    harness.check(source[1][2] == 99);
    harness.check(b.getElem(1, 0) == 99);
       
    // test when the bank index is out of bounds
    boolean pass = true;
    try
    {
      b.getElem(-1, 0);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
       
    pass = false;
    try
    {
      b.getElem(2, 0);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
   
    // test when the item index is out of bounds
    pass = true;
    try
    {
      b.getElem(0, -2);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
       
    pass = false;
    try
    {
      b.getElem(1, 5);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
   
    // the array of arrays should reflect the single dimension array
    DataBufferUShort b2 = new DataBufferUShort(new short[] {1, 2, 3}, 3);
    harness.check(b2.getElem(0, 1) == 2);
  }
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  private void testGetData1(TestHarness harness) {
    harness.checkPoint("getData()"); 

    // check simple case
    short[] source = new short[] {1, 2};
    DataBufferUShort b = new DataBufferUShort(source, 2);
    short[] data = b.getData();
    harness.check(data.length == 2);
    harness.check(data[0] == 1);
    harness.check(data[1] == 2);

    // test where supplied array is bigger than 'size'
    source = new short[] {1, 2, 3};
    b = new DataBufferUShort(source, 2);
    data = b.getData();
    harness.check(data.length == 3);
    harness.check(data[0] == 1);
    harness.check(data[1] == 2);
    harness.check(data[2] == 3);

    // test where offsets are specified
    source = new short[] {1, 2, 3, 4};
    b = new DataBufferUShort(source, 2, 1);
    data = b.getData();
    harness.check(data.length == 4);
    harness.check(data[0] == 1);
    harness.check(data[1] == 2);
    harness.check(data[2] == 3);
    harness.check(data[3] == 4);
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  private void testGetData2(TestHarness harness) {
    harness.checkPoint("getData(int)"); 
 
    short[][] source = new short[][] {{1, 2}, {3, 4}};
    DataBufferUShort b = new DataBufferUShort(source, 2);
    short[] data = b.getData(1);
    harness.check(data.length == 2);
    harness.check(data[0] == 3);
    harness.check(data[1] == 4);
 
    // test where supplied array is bigger than 'size'
    source = new short[][] {{1, 2, 3}, {4, 5, 6}};
    b = new DataBufferUShort(source, 2);
    data = b.getData(1);
    harness.check(data.length == 3);
    harness.check(data[0] == 4);
    harness.check(data[1] == 5);
    harness.check(data[2] == 6);

    // test where offsets are specified
    source = new short[][] {{1, 2, 3, 4}, {5, 6, 7, 8}};
    b = new DataBufferUShort(source, 2, new int[] {1, 2});
    data = b.getData(1);
    harness.check(data.length == 4);
    harness.check(data[0] == 5);
    harness.check(data[1] == 6);
    harness.check(data[2] == 7);
    harness.check(data[3] == 8);
 
    // does a change to the source affect the DataBuffer? Yes
    source[1][2] = 99;
    harness.check(data[2] == 99);
 
    // check bounds exceptions
    boolean pass = true;
    try
    {
      b.getData(-1);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
 
    pass = false;
    try
    {
      b.getData(2);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
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  implements Testlet
{
  public void test(TestHarness h)
  {
    // Check #1.
    h.check(new DataBufferUShort(5).getDataType(), DataBuffer.TYPE_USHORT);
  }
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    harness.checkPoint("(int, int, Object, DataBuffer(UShort))");
    SinglePixelPackedSampleModel m1 = new SinglePixelPackedSampleModel(
      DataBuffer.TYPE_USHORT, 2, 2, new int[] { 224, 28, 3 }
    );
    short[] s = new short[] { (short) 11, (short) 22, (short) 33, (short) 44 };
    DataBuffer db = new DataBufferUShort(s, 4); 
   
    short[] de = (short[]) m1.getDataElements(1, 1, null, db);
    harness.check(de.length, 1);
    harness.check(de[0], (byte) 44);
   
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  private void testSetElem1(TestHarness harness) {
    harness.checkPoint("setElem(int, int)");  

    short[] source = new short[] {1, 2};
    DataBufferUShort b = new DataBufferUShort(source, 2);
    b.setElem(1, 99);
    harness.check(b.getElem(1) == 99);

    // does the source array get updated? Yes
    harness.check(source[1] == 99);

    // test with offsets
    source = new short[] {1, 2, 3, 4, 5};
    b = new DataBufferUShort(source, 4, 1);
    harness.check(b.getElem(1) == 3);
    b.setElem(1, 99);
    harness.check(b.getElem(1) == 99);
    harness.check(source[2] == 99);

    boolean pass = false;
    try
    {
      b.setElem(-2, 99);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);

    pass = false;
    try
    {
      b.setElem(4, 99);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
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  private void testSetElem2(TestHarness harness) {
    harness.checkPoint("setElem(int, int, int)"); 

    short[][] source = new short[][] {{1, 2}, {3, 4}};
    DataBufferUShort b = new DataBufferUShort(source, 2);
    b.setElem(1, 1, 99);
    harness.check(b.getElem(1, 1) == 99);
    // does the source array get updated?
    harness.check(source[1][1] == 99);

    boolean pass = false;
    try
    {
      b.setElem(-1, 1, 99);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
    harness.check(pass);
 
    pass = false;
    try
    {
      b.setElem(2, 1, 99);
    }
    catch (ArrayIndexOutOfBoundsException e)
    {
      pass = true;
    }
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   */
  public void test(TestHarness harness)      
  {
    // check that array updates pass through
    short[][] data = new short[][] {{1, 2}};
    DataBufferUShort b = new DataBufferUShort(data, 2);
    short[][] banks = b.getBankData();
    harness.check(Arrays.equals(b.getBankData(), data));
    data[0][0] = 3;
    harness.check(banks[0][0] == 3);

    // test where supplied array is bigger than 'size'
    data = new short[][] {{1, 2, 3}};
    b = new DataBufferUShort(data, 2);
    banks = b.getBankData();
    harness.check(Arrays.equals(b.getBankData(), data));

    // test where offsets are specified
    data = new short[][] {{1, 2, 3}, {4, 5, 6, 7}};
    b = new DataBufferUShort(data, 2, new int[] {0, 1});
    banks = b.getBankData();
    harness.check(Arrays.equals(b.getBankData(), data));

    // check that a single bank buffer returns a valid array
    DataBufferUShort b2 = new DataBufferUShort(new short[] {1, 2}, 2);
    banks = b2.getBankData();
    harness.check(banks.length == 1);
    harness.check(banks[0][0] == 1);
    harness.check(banks[0][1] == 2);

    // check that a multi bank buffer returns a valid array
    DataBufferUShort b3 = new DataBufferUShort(new short[][] {{1}, {2}}, 1);
    banks = b3.getBankData();
    harness.check(banks.length == 2);
    harness.check(banks[0][0] == 1);
    harness.check(banks[1][0] == 2);
  }
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