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Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » javax.media.jai   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    javax.media.jai.LookupTableJAI       javax.media.jai.ColorCube ColorCube public class ColorCube extends LookupTableJAI (Code) A subclass of LookupTableJAI which represents a lookup table which is a color cube. A color cube provides a fixed, invertible mapping between table indices and sample values. This allows the findNearestEntry method to be implemented more efficiently than in the general case. All constructors are protected. The correct way to create a ColorCube is to use one of the static create methods defined in this class. See Also:   javax.media.jai.LookupTableJAI Field Summary final public static  ColorCube BYTE_496      A ColorCube for dithering RGB byte data into 216 colors. final public static  ColorCube BYTE_855      A ColorCube for dithering YCC byte data into 200 colors. Constructor Summary protected   ColorCube(byte data, int offset)      Returns a multi-banded byte ColorCube with an index offset common to all bands. protected   ColorCube(short data, int offset, boolean isUShort)      Returns a multi-banded short or unsigned short ColorCube with an index offset common to all bands. protected   ColorCube(int data, int offset)      Returns a multi-banded int ColorCube with an index offset common to all bands. protected   ColorCube(float data, int offset)      Returns a multi-banded float ColorCube with an index offset common to all bands. protected   ColorCube(double data, int offset)      Returns a multi-banded double ColorCube with an index offset common to all bands. Method Summary public static  ColorCube createColorCube(int dataType, int offset, int dimension)      Returns a multi-banded ColorCube of a specified data type. public static  ColorCube createColorCube(int dataType, int dimension)      Returns a multi-banded ColorCube of a specified data type with zero offset for all bands. Parameters:   dataType - The data type of the ColorCube. Parameters:   dimension - The signed dimension of each band. throws:   IllegalArgumentException - if dimension is null. public  int findNearestEntry(float[] pixel)      Finds the index of the nearest color in the color map to the pixel value argument. Parameters:   pixel - a float array of all samples of a pixel. public  int getAdjustedOffset()      Returns the adjusted offset into the lookup table, accounting for negative dimensions. public  int[] getDimension()      Returns the array of signed dimensions used to construct the ColorCube. public  int[] getDimsLessOne()      Returns an array containing the signed dimensions, less one. public  int[] getMultipliers()      Returns the multipliers as an array. Field Detail BYTE_496 final public static ColorCube BYTE_496(Code) A ColorCube for dithering RGB byte data into 216 colors. The offset of this ColorCube is 38. BYTE_855 final public static ColorCube BYTE_855(Code) A ColorCube for dithering YCC byte data into 200 colors. The offset of this ColorCube is 54. Constructor Detail ColorCube protected ColorCube(byte data, int offset)(Code) Returns a multi-banded byte ColorCube with an index offset common to all bands. Parameters:   data - The multi-banded byte data in [band][index] format. Parameters:   offset - The common offset for all bands. throws:   IllegalArgumentException - if data is null. ColorCube protected ColorCube(short data, int offset, boolean isUShort)(Code) Returns a multi-banded short or unsigned short ColorCube with an index offset common to all bands. Parameters:   data - The multi-banded short data in [band][index] format. Parameters:   offset - The common offset for all bands. Parameters:   isUShort - True if data type is DataBuffer.TYPE_USHORT;false if data type is DataBuffer.TYPE_SHORT. throws:   IllegalArgumentException - if data is null. ColorCube protected ColorCube(int data, int offset)(Code) Returns a multi-banded int ColorCube with an index offset common to all bands. Parameters:   data - The multi-banded int data in [band][index] format. Parameters:   offset - The common offset for all bands. throws:   IllegalArgumentException - if data is null. ColorCube protected ColorCube(float data, int offset)(Code) Returns a multi-banded float ColorCube with an index offset common to all bands. Parameters:   data - The multi-banded float data in [band][index] format. Parameters:   offset - The common offset for all bands. throws:   IllegalArgumentException - if data is null. ColorCube protected ColorCube(double data, int offset)(Code) Returns a multi-banded double ColorCube with an index offset common to all bands. Parameters:   data - The multi-banded double data in [band][index] format. Parameters:   offset - The common offset for all bands. throws:   IllegalArgumentException - if data is null. Method Detail createColorCube public static ColorCube createColorCube(int dataType, int offset, int dimension)(Code) Returns a multi-banded ColorCube of a specified data type. Parameters:   dataType - The data type of the ColorCube,one of DataBuffer.TYPE_BYTE,TYPE_SHORT,TYPE_USHORT,TYPE_INT,TYPE_FLOAT,or TYPE_DOUBLE. Parameters:   offset - The common offset for all bands. Parameters:   dimension - The signed dimension of each band. throws:   RuntimeExceptions - for unsupported data types An appropriate ColorCube. createColorCube public static ColorCube createColorCube(int dataType, int dimension)(Code) Returns a multi-banded ColorCube of a specified data type with zero offset for all bands. Parameters:   dataType - The data type of the ColorCube. Parameters:   dimension - The signed dimension of each band. throws:   IllegalArgumentException - if dimension is null. An appropriate ColorCube. findNearestEntry public int findNearestEntry(float[] pixel)(Code) Finds the index of the nearest color in the color map to the pixel value argument. Parameters:   pixel - a float array of all samples of a pixel. the index of the nearest color. throws:   RuntimeException - for dataTypes other thanDataBuffer.TYPE_BYTE DataBuffer.TYPE_USHORTDataBuffer.TYPE_SHORT DataBuffer.TYPE_INTDataBuffer.TYPE_FLOAT DataBuffer.TYPE_DOUBLE getAdjustedOffset public int getAdjustedOffset()(Code) Returns the adjusted offset into the lookup table, accounting for negative dimensions. getDimension public int[] getDimension()(Code) Returns the array of signed dimensions used to construct the ColorCube. getDimsLessOne public int[] getDimsLessOne()(Code) Returns an array containing the signed dimensions, less one. getMultipliers public int[] getMultipliers()(Code) Returns the multipliers as an array. Fields inherited from javax.media.jai.LookupTableJAI transient DataBuffer data(Code)(Java Doc) Methods inherited from javax.media.jai.LookupTableJAI public int findNearestEntry(float[] pixel)(Code)(Java Doc) public byte[][] getByteData()(Code)(Java Doc) public byte[] getByteData(int band)(Code)(Java Doc) public DataBuffer getData()(Code)(Java Doc) public int getDataType()(Code)(Java Doc) public int getDestNumBands(int srcNumBands)(Code)(Java Doc) public SampleModel getDestSampleModel(SampleModel srcSampleModel)(Code)(Java Doc) public SampleModel getDestSampleModel(SampleModel srcSampleModel, int width, int height)(Code)(Java Doc) public double[][] getDoubleData()(Code)(Java Doc) public double[] getDoubleData(int band)(Code)(Java Doc) public float[][] getFloatData()(Code)(Java Doc) public float[] getFloatData(int band)(Code)(Java Doc) public int[][] getIntData()(Code)(Java Doc) public int[] getIntData(int band)(Code)(Java Doc) public int getNumBands()(Code)(Java Doc) public int getNumEntries()(Code)(Java Doc) public int getOffset()(Code)(Java Doc) public int getOffset(int band)(Code)(Java Doc) public int[] getOffsets()(Code)(Java Doc) public short[][] getShortData()(Code)(Java Doc) public short[] getShortData(int band)(Code)(Java Doc) public boolean isIntegralDataType(SampleModel sampleModel)(Code)(Java Doc) public boolean isIntegralDataType(int dataType)(Code)(Java Doc) public int lookup(int band, int value)(Code)(Java Doc) public WritableRaster lookup(WritableRaster src)(Code)(Java Doc) public WritableRaster lookup(Raster src, WritableRaster dst, Rectangle rect)(Code)(Java Doc) public double lookupDouble(int band, int value)(Code)(Java Doc) public float lookupFloat(int band, int value)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)