39 import static sun.java2d.StateTrackable.State.*;

    39 import static sun.java2d.StateTrackable.State.*;

    40 import sun.java2d.StateTrackableDelegate;

    40 import sun.java2d.StateTrackableDelegate;

    41 

    41 

    42 import sun.awt.image.SunWritableRaster;

    42 import sun.awt.image.SunWritableRaster;

    43 

    43 

    44 /**

    46 /**

    45  * This class exists to wrap one or more data arrays.  Each data array in

    47  * This class exists to wrap one or more data arrays.  Each data array in

    46  * the DataBuffer is referred to as a bank.  Accessor methods for getting

    48  * the DataBuffer is referred to as a bank.  Accessor methods for getting

    47  * and setting elements of the DataBuffer's banks exist with and without

    49  * and setting elements of the DataBuffer's banks exist with and without

    48  * a bank specifier.  The methods without a bank specifier use the default 0th

    50  * a bank specifier.  The methods without a bank specifier use the default 0th

    63  * image classes use TYPE_BYTE, TYPE_USHORT, TYPE_INT, TYPE_SHORT,

    65  * image classes use TYPE_BYTE, TYPE_USHORT, TYPE_INT, TYPE_SHORT,

    64  * TYPE_FLOAT, and TYPE_DOUBLE DataBuffers to store image data.

    66  * TYPE_FLOAT, and TYPE_DOUBLE DataBuffers to store image data.

    65  * @see java.awt.image.Raster

    67  * @see java.awt.image.Raster

    66  * @see java.awt.image.SampleModel

    68  * @see java.awt.image.SampleModel

    67  */

    69  */

    68 public abstract class DataBuffer {

    72 public abstract class DataBuffer {

    69 

    73 

    70     /** Tag for unsigned byte data. */

    74     /** Tag for unsigned byte data. */

    71     public static final int TYPE_BYTE  = 0;

    75     public static final int TYPE_BYTE  = 0;

    72 

    76