Examples of ByteLookupTable

ae.java.awt.image.ByteLookupTable
This class defines a lookup table object. The output of a lookup operation using an object of this class is interpreted as an unsigned byte quantity. The lookup table contains byte data arrays for one or more bands (or components) of an image, and it contains an offset which will be subtracted from the input values before indexing the arrays. This allows an array smaller than the native data size to be provided for a constrained input. If there is only one array in the lookup table, it will be applied to all bands. @see ShortLookupTable @see LookupOp
java.awt.image.ByteLookupTable
This class defines a lookup table object. The output of a lookup operation using an object of this class is interpreted as an unsigned byte quantity. The lookup table contains byte data arrays for one or more bands (or components) of an image, and it contains an offset which will be subtracted from the input values before indexing the arrays. This allows an array smaller than the native data size to be provided for a constrained input. If there is only one array in the lookup table, it will be applied to all bands. @see ShortLookupTable @see LookupOp @version 10 Feb 1997

Examples of java.awt.image.ByteLookupTable

public class createCompatibleDestRaster implements Testlet
{
  public void test(TestHarness harness)
  {
    byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
    ByteLookupTable t = new ByteLookupTable(0, bytes);
    LookupOp op = new LookupOp(t, null);
    Raster raster = Raster.createWritableRaster(
        new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 20, 8), null);
    Raster dest = op.createCompatibleDestRaster(raster);
    harness.check(dest.getWidth(), 10);

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Examples of java.awt.image.ByteLookupTable

  {
    harness.checkPoint("(BufferedImage)");
    BufferedImage image = new BufferedImage(10, 20, 
            BufferedImage.TYPE_INT_ARGB);
    byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
    ByteLookupTable t = new ByteLookupTable(0, bytes);
    LookupOp op = new LookupOp(t, null);
    Rectangle2D bounds = op.getBounds2D(image);
    harness.check(bounds.getWidth(), 10);
    harness.check(bounds.getHeight(), 20);

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Examples of java.awt.image.ByteLookupTable

  
  public void testMethod2(TestHarness harness)
  {
    harness.checkPoint("(Raster)");    
    byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
    ByteLookupTable t = new ByteLookupTable(0, bytes);
    LookupOp op = new LookupOp(t, null);
    Raster raster = Raster.createWritableRaster(
            new MultiPixelPackedSampleModel(DataBuffer.TYPE_BYTE, 10, 20, 8), 
            null);
    Rectangle2D bounds = op.getBounds2D(raster);

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Examples of java.awt.image.ByteLookupTable

    
    // Create an image to work on
    BufferedImage img = new BufferedImage(20, 20, BufferedImage.TYPE_USHORT_GRAY);
    
    byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
    ByteLookupTable t = new ByteLookupTable(0, bytes);
    LookupOp op = new LookupOp(t, null);
    
    // Simple tests
    BufferedImage dst = op.filter(img, null);
    harness.check(dst.getType(), op.createCompatibleDestImage(img, null).getType());

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Examples of java.awt.image.ByteLookupTable

    else
      img = new BufferedImage(5, 5, BufferedImage.TYPE_INT_ARGB);
    createImage(img);
    
    byte[] bytes = new byte[] {12, 23, 14, 35, 48, 2};
    ByteLookupTable t = new ByteLookupTable(0, bytes);
    LookupOp op = new LookupOp(t, null);
    
    BufferedImage dst = new BufferedImage(5, 5, BufferedImage.TYPE_INT_ARGB);
    dst = op.filter(img, dst);
    WritableRaster dest = dst.getRaster();

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Examples of java.awt.image.ByteLookupTable

    }


    // But a ByteLookupTable will give us undetermined results
    // (is a native array overflowing in sun's implementation?)
    byte[] bytes = new byte[] {0, 1, 2, 3, 4, 5, 6, 7, 8};
    ByteLookupTable t2 = new ByteLookupTable(0, bytes);
    op = new LookupOp(t2, null);
    
    try
    {
      op.filter(img, null);

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Examples of java.awt.image.ByteLookupTable

public class getPoint2D implements Testlet
{
  public void test(TestHarness harness)
  {
    byte[] bytes = new byte[] {(byte) 0xAA, (byte) 0xBB};
    ByteLookupTable t = new ByteLookupTable(0, bytes);
    LookupOp op = new LookupOp(t, null);
    Point2D p = new Point2D.Double(1.0, 2.0);
    Point2D pp = new Point2D.Double();
    Point2D p1 = op.getPoint2D(p, pp);
    harness.check(p1, p);

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Examples of java.awt.image.ByteLookupTable

        // For what ever reason this makes the Op work correctly.
        // If you remove this, it seems to get the color channels messed
        // up.  The downside is that I suspect that this means we are
        // falling into a more general, and hence slower case, but
        // at least it works....
        operation  =  new LookupOp(new ByteLookupTable(0, tableData), hints) 
            { };
    }

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Examples of java.awt.image.ByteLookupTable

        for ( int counter = 0; counter < 256; counter++ )
           invertArray[ counter ] = ( byte )( 255 - counter );   
        
        // create filter to invert colors
        BufferedImageOp invertFilter = new LookupOp(
           new ByteLookupTable( 0, invertArray ), null );
        
        // apply filter to displayImage
        return invertFilter.filter( buff, null );


    }

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Examples of java.awt.image.ByteLookupTable

        for ( int counter = 0; counter < 256; counter++ )
           invertArray[ counter ] = ( byte )( 255 - counter );   
        
        // create filter to invert colors
        BufferedImageOp invertFilter = new LookupOp(
           new ByteLookupTable( 0, invertArray ), null );
        
        // apply filter to displayImage
        return invertFilter.filter( buff, null );


    }

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