java.awt.image

Class DataBufferByte


public final class DataBufferByte
extends DataBuffer

This class extends DataBuffer and stores data internally as bytes. Values stored in the byte array(s) of this DataBuffer are treated as unsigned values.

Field Summary

Fields inherited from class java.awt.image.DataBuffer

TYPE_BYTE, TYPE_DOUBLE, TYPE_FLOAT, TYPE_INT, TYPE_SHORT, TYPE_UNDEFINED, TYPE_USHORT, banks, dataType, offset, offsets, size

Constructor Summary

DataBufferByte(dataArray[] , int size)
Constructs a byte-based DataBuffer with a single bank using the specified array.
DataBufferByte(dataArray[] , int size, int offset)
Constructs a byte-based DataBuffer with a single bank using the specified array, size, and offset.
DataBufferByte(dataArray[][] , int size)
Constructs a byte-based DataBuffer with the specified arrays.
DataBufferByte(dataArray[][] , int size, offsets[] )
Constructs a byte-based DataBuffer with the specified arrays, size, and offsets.
DataBufferByte(int size)
Constructs a byte-based DataBuffer with a single bank and the specified size.
DataBufferByte(int size, int numBanks)
Constructs a byte based DataBuffer with the specified number of banks all of which are the specified size.

Method Summary

byte[][]
getBankData()
Returns the data arrays for all banks.
byte[]
getData()
Returns the default (first) byte data array.
byte[]
getData(int bank)
Returns the data array for the specified bank.
int
getElem(int i)
Returns the requested data array element from the first (default) bank.
int
getElem(int bank, int i)
Returns the requested data array element from the specified bank.
void
setElem(int i, int val)
Sets the requested data array element in the first (default) bank to the specified value.
void
setElem(int bank, int i, int val)
Sets the requested data array element in the specified bank from the given integer.

Methods inherited from class java.awt.image.DataBuffer

getDataType, getDataTypeSize, getElem, getElem, getElemDouble, getElemDouble, getElemFloat, getElemFloat, getNumBanks, getOffset, getOffsets, getSize, setElem, setElem, setElemDouble, setElemDouble, setElemFloat, setElemFloat

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DataBufferByte

public DataBufferByte(dataArray[] ,
                      int size)
Constructs a byte-based DataBuffer with a single bank using the specified array. Only the first size elements should be used by accessors of this DataBuffer. dataArray must be large enough to hold size elements.
Parameters:
size - The size of the DataBuffer bank.
Usages and Demos :

View More Examples of DataBufferByte(dataArray[] ,int size)
   1:     data = new byte[length];
   2:     DataBuffer db = new DataBufferByte(data, length);
   3:     WritableRaster wr = Raster.createPackedRaster(db, w, h, 1, null);
   4:     ColorModel cm = new IndexColorModel(1, 2,
   5:         new byte[] { (byte)0, (byte)255 },

View Full Code Here
   1: 
   2:         final DataBuffer db = new DataBufferByte(pixels, pixels.length);
   3: 
   4:         final int[] offsets = new int[3];

View Full Code Here
   1:                             red, green, blue, 0);
   2:                 DataBufferByte dbb = new DataBufferByte(data, data.length);
   3:                 int bandOffsets[] = {0};
   4:                 WritableRaster wr = Raster.createInterleavedRaster(dbb,
   5:                     R*2,R*2,R*2,1, bandOffsets,null);

View Full Code Here
   1:                                       rgbBanks[2], imgBanks[3]};
   2:                 DataBufferByte argbData = new DataBufferByte(argbBanks, imgBanks[0].length);
   3:                 srcWR = Raster.createBandedRaster
   4:                     (argbData, argbWR.getWidth(), argbWR.getHeight(),
   5:                      argbWR.getWidth(), new int[]{0, 1, 2, 3},

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   1:                     }
   2:                     db = new DataBufferByte(bankData, (int) size);
   3:                 }
   4:                     break;
   5:                 case DataBuffer.TYPE_USHORT: {

View Full Code Here

DataBufferByte

public DataBufferByte(dataArray[] ,
                      int size,
                      int offset)
Constructs a byte-based DataBuffer with a single bank using the specified array, size, and offset. dataArray must have at least offset + size elements. Only elements offset through offset + size - 1 should be used by accessors of this DataBuffer.
Parameters:
size - The size of the DataBuffer bank.
offset - The offset into the dataArray. dataArray must have at least offset + size elements.
Usages and Demos :

View More Examples of DataBufferByte(dataArray[] ,int size,int offset)
   1:                               new int[] {0xFF});
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

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   1: 
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

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   1: 
   2:     DataBuffer db = new DataBufferByte(data, size, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here
   1:                               new int[] {0xFF});
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here
   1: 
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here

DataBufferByte

public DataBufferByte(dataArray[][] ,
                      int size)
Constructs a byte-based DataBuffer with the specified arrays. The number of banks is equal to dataArray.length. Only the first size elements of each array should be used by accessors of this DataBuffer.
Parameters:
size - The size of the banks in the DataBuffer.
Usages and Demos :

View More Examples of DataBufferByte(dataArray[][] ,int size)
   1:     data = new byte[length];
   2:     DataBuffer db = new DataBufferByte(data, length);
   3:     WritableRaster wr = Raster.createPackedRaster(db, w, h, 1, null);
   4:     ColorModel cm = new IndexColorModel(1, 2,
   5:         new byte[] { (byte)0, (byte)255 },

View Full Code Here
   1: 
   2:         final DataBuffer db = new DataBufferByte(pixels, pixels.length);
   3: 
   4:         final int[] offsets = new int[3];

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   1:                             red, green, blue, 0);
   2:                 DataBufferByte dbb = new DataBufferByte(data, data.length);
   3:                 int bandOffsets[] = {0};
   4:                 WritableRaster wr = Raster.createInterleavedRaster(dbb,
   5:                     R*2,R*2,R*2,1, bandOffsets,null);

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   1:                                       rgbBanks[2], imgBanks[3]};
   2:                 DataBufferByte argbData = new DataBufferByte(argbBanks, imgBanks[0].length);
   3:                 srcWR = Raster.createBandedRaster
   4:                     (argbData, argbWR.getWidth(), argbWR.getHeight(),
   5:                      argbWR.getWidth(), new int[]{0, 1, 2, 3},

View Full Code Here
   1:                     }
   2:                     db = new DataBufferByte(bankData, (int) size);
   3:                 }
   4:                     break;
   5:                 case DataBuffer.TYPE_USHORT: {

View Full Code Here

DataBufferByte

public DataBufferByte(dataArray[][] ,
                      int size,
                      offsets[] )
Constructs a byte-based DataBuffer with the specified arrays, size, and offsets. The number of banks is equal to dataArray.length. Each array must be at least as large as size + the corresponding offset. There must be an entry in the offset array for each dataArray entry. For each bank, only elements offset through offset + size - 1 should be used by accessors of this DataBuffer.
Parameters:
size - The size of the banks in the DataBuffer.
Usages and Demos :

View More Examples of DataBufferByte(dataArray[][] ,int size,offsets[] )
   1:                               new int[] {0xFF});
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here
   1: 
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here
   1: 
   2:     DataBuffer db = new DataBufferByte(data, size, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here
   1:                               new int[] {0xFF});
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here
   1: 
   2:     DataBuffer db = new DataBufferByte(data, w*h, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(palette, raster, false, null);

View Full Code Here

DataBufferByte

public DataBufferByte(int size)
Constructs a byte-based DataBuffer with a single bank and the specified size.
Parameters:
size - The size of the DataBuffer.
Usages and Demos :

View More Examples of DataBufferByte(int size)
   1:       }
   2:     DataBuffer db = new DataBufferByte(f.getRawImage(), width * height, 0);
   3:     WritableRaster raster = Raster.createWritableRaster(sm, db, null);
   4:     
   5:     return new BufferedImage(getPalette( imageIndex ), raster, false, null);

View Full Code Here
   1:             case DataBuffer.TYPE_BYTE:
   2:                 return new DataBufferByte((byte[])data, size);
   3:             case DataBuffer.TYPE_SHORT:
   4:                 return new DataBufferShort((short[])data, size);
   5:             case DataBuffer.TYPE_USHORT:

View Full Code Here

DataBufferByte

public DataBufferByte(int size,
                      int numBanks)
Constructs a byte based DataBuffer with the specified number of banks all of which are the specified size.
Parameters:
size - The size of the banks in the DataBuffer.
numBanks - The number of banks in the aDataBuffer.
Usages and Demos :

View More Examples of DataBufferByte(int size,int numBanks)
   1:     data = new byte[length];
   2:     DataBuffer db = new DataBufferByte(data, length);
   3:     WritableRaster wr = Raster.createPackedRaster(db, w, h, 1, null);
   4:     ColorModel cm = new IndexColorModel(1, 2,
   5:         new byte[] { (byte)0, (byte)255 },

View Full Code Here
   1: 
   2:         final DataBuffer db = new DataBufferByte(pixels, pixels.length);
   3: 
   4:         final int[] offsets = new int[3];

View Full Code Here
   1:                             red, green, blue, 0);
   2:                 DataBufferByte dbb = new DataBufferByte(data, data.length);
   3:                 int bandOffsets[] = {0};
   4:                 WritableRaster wr = Raster.createInterleavedRaster(dbb,
   5:                     R*2,R*2,R*2,1, bandOffsets,null);

View Full Code Here
   1:                                       rgbBanks[2], imgBanks[3]};
   2:                 DataBufferByte argbData = new DataBufferByte(argbBanks, imgBanks[0].length);
   3:                 srcWR = Raster.createBandedRaster
   4:                     (argbData, argbWR.getWidth(), argbWR.getHeight(),
   5:                      argbWR.getWidth(), new int[]{0, 1, 2, 3},

View Full Code Here
   1:                     }
   2:                     db = new DataBufferByte(bankData, (int) size);
   3:                 }
   4:                     break;
   5:                 case DataBuffer.TYPE_USHORT: {

View Full Code Here

Method Details

getBankData

public byte[][] getBankData()
Returns the data arrays for all banks.
Returns:
All of the data arrays.

getData

public byte[] getData()
Returns the default (first) byte data array.
Returns:
The first byte data array.

getData

public byte[] getData(int bank)
Returns the data array for the specified bank.
Parameters:
bank - The bank whose data array you want to get.
Returns:
The data array for the specified bank.

getElem

public int getElem(int i)
Returns the requested data array element from the first (default) bank.
Overrides:
getElem in interface DataBuffer
Parameters:
i - The data array element you want to get.
Returns:
The requested data array element as an integer.

getElem

public int getElem(int bank,
                   int i)
Returns the requested data array element from the specified bank.
Overrides:
getElem in interface DataBuffer
Parameters:
bank - The bank from which you want to get a data array element.
i - The data array element you want to get.
Returns:
The requested data array element as an integer.

setElem

public void setElem(int i,
                    int val)
Sets the requested data array element in the first (default) bank to the specified value.
Overrides:
setElem in interface DataBuffer
Parameters:
i - The data array element you want to set.
val - The integer value to which you want to set the data array element.

setElem

public void setElem(int bank,
                    int i,
                    int val)
Sets the requested data array element in the specified bank from the given integer.
Overrides:
setElem in interface DataBuffer
Parameters:
bank - The bank in which you want to set the data array element.
i - The data array element you want to set.
val - The integer value to which you want to set the specified data array element.