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Java Standard Edition (SE)

DataBufferFloat


java.awt.image

Class DataBufferFloat

    • Constructor Summary

      Constructors 
      Constructor and Description
      DataBufferFloat(float[][] dataArray, int size)
      Constructs a float-based DataBuffer with the specified data arrays.
      DataBufferFloat(float[][] dataArray, int size, int[] offsets)
      Constructs a float-based DataBuffer with the specified data arrays, size, and per-bank offsets.
      DataBufferFloat(float[] dataArray, int size)
      Constructs a float-based DataBuffer with the specified data array.
      DataBufferFloat(float[] dataArray, int size, int offset)
      Constructs a float-based DataBuffer with the specified data array.
      DataBufferFloat(int size)
      Constructs a float-based DataBuffer with a specified size.
      DataBufferFloat(int size, int numBanks)
      Constructs a float-based DataBuffer with a specified number of banks, all of which are of a specified size.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      float[][] getBankData()
      Returns the data array for all banks.
      float[] getData()
      Returns the default (first) float data array.
      float[] 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 as an int.
      int getElem(int bank, int i)
      Returns the requested data array element from the specified bank as an int.
      double getElemDouble(int i)
      Returns the requested data array element from the first (default) bank as a double.
      double getElemDouble(int bank, int i)
      Returns the requested data array element from the specified bank as a double.
      float getElemFloat(int i)
      Returns the requested data array element from the first (default) bank as a float.
      float getElemFloat(int bank, int i)
      Returns the requested data array element from the specified bank as a float.
      void setElem(int i, int val)
      Sets the requested data array element in the first (default) bank to the given int.
      void setElem(int bank, int i, int val)
      Sets the requested data array element in the specified bank to the given int.
      void setElemDouble(int i, double val)
      Sets the requested data array element in the first (default) bank to the given double.
      void setElemDouble(int bank, int i, double val)
      Sets the requested data array element in the specified bank to the given double.
      void setElemFloat(int i, float val)
      Sets the requested data array element in the first (default) bank to the given float.
      void setElemFloat(int bank, int i, float val)
      Sets the requested data array element in the specified bank to the given float.
    • Constructor Detail

      • DataBufferFloat

        public DataBufferFloat(int size)
        Constructs a float-based DataBuffer with a specified size.
        Parameters:
        size - The number of elements in the DataBuffer.
      • DataBufferFloat

        public DataBufferFloat(int size,
                               int numBanks)
        Constructs a float-based DataBuffer with a specified number of banks, all of which are of a specified size.
        Parameters:
        size - The number of elements in each bank of the DataBuffer.
        numBanks - The number of banks in the DataBuffer.
      • DataBufferFloat

        public DataBufferFloat(float[] dataArray,
                               int size)
        Constructs a float-based DataBuffer with the specified data array. Only the first size elements are available for use by this DataBuffer. The array must be large enough to hold size elements.

        Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Parameters:
        dataArray - An array of floats to be used as the first and only bank of this DataBuffer.
        size - The number of elements of the array to be used.
      • DataBufferFloat

        public DataBufferFloat(float[] dataArray,
                               int size,
                               int offset)
        Constructs a float-based DataBuffer with the specified data array. Only the elements between offset and offset + size - 1 are available for use by this DataBuffer. The array must be large enough to hold offset + size elements.

        Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Parameters:
        dataArray - An array of floats to be used as the first and only bank of this DataBuffer.
        size - The number of elements of the array to be used.
        offset - The offset of the first element of the array that will be used.
      • DataBufferFloat

        public DataBufferFloat(float[][] dataArray,
                               int size)
        Constructs a float-based DataBuffer with the specified data arrays. Only the first size elements of each array are available for use by this DataBuffer. The number of banks will be equal to dataArray.length.

        Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Parameters:
        dataArray - An array of arrays of floats to be used as the banks of this DataBuffer.
        size - The number of elements of each array to be used.
      • DataBufferFloat

        public DataBufferFloat(float[][] dataArray,
                               int size,
                               int[] offsets)
        Constructs a float-based DataBuffer with the specified data arrays, size, and per-bank offsets. The number of banks is equal to dataArray.length. Each array must be at least as large as size plus the corresponding offset. There must be an entry in the offsets array for each data array.

        Note that DataBuffer objects created by this constructor may be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Parameters:
        dataArray - An array of arrays of floats to be used as the banks of this DataBuffer.
        size - The number of elements of each array to be used.
        offsets - An array of integer offsets, one for each bank.
    • Method Detail

      • getData

        public float[] getData()
        Returns the default (first) float data array.

        Note that calling this method may cause this DataBuffer object to be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Returns:
        the first float data array.
      • getData

        public float[] getData(int bank)
        Returns the data array for the specified bank.

        Note that calling this method may cause this DataBuffer object to be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Parameters:
        bank - the data array
        Returns:
        the data array specified by bank.
      • getBankData

        public float[][] getBankData()
        Returns the data array for all banks.

        Note that calling this method may cause this DataBuffer object to be incompatible with performance optimizations used by some implementations (such as caching an associated image in video memory).

        Returns:
        all data arrays for this data buffer.
      • getElem

        public int getElem(int i)
        Returns the requested data array element from the first (default) bank as an int.
        Overrides:
        getElem in class DataBuffer
        Parameters:
        i - The desired data array element.
        Returns:
        The data entry as an int.
        See Also:
        setElem(int, int), setElem(int, int, int)
      • getElem

        public int getElem(int bank,
                           int i)
        Returns the requested data array element from the specified bank as an int.
        Specified by:
        getElem in class DataBuffer
        Parameters:
        bank - The bank number.
        i - The desired data array element.
        Returns:
        The data entry as an int.
        See Also:
        setElem(int, int), setElem(int, int, int)
      • setElem

        public void setElem(int i,
                            int val)
        Sets the requested data array element in the first (default) bank to the given int.
        Overrides:
        setElem in class DataBuffer
        Parameters:
        i - The desired data array element.
        val - The value to be set.
        See Also:
        getElem(int), getElem(int, int)
      • setElem

        public void setElem(int bank,
                            int i,
                            int val)
        Sets the requested data array element in the specified bank to the given int.
        Specified by:
        setElem in class DataBuffer
        Parameters:
        bank - The bank number.
        i - The desired data array element.
        val - The value to be set.
        See Also:
        getElem(int), getElem(int, int)
      • setElemFloat

        public void setElemFloat(int i,
                                 float val)
        Sets the requested data array element in the first (default) bank to the given float.
        Overrides:
        setElemFloat in class DataBuffer
        Parameters:
        i - The desired data array element.
        val - The value to be set.
        See Also:
        getElemFloat(int), getElemFloat(int, int)
      • setElemFloat

        public void setElemFloat(int bank,
                                 int i,
                                 float val)
        Sets the requested data array element in the specified bank to the given float.
        Overrides:
        setElemFloat in class DataBuffer
        Parameters:
        bank - The bank number.
        i - The desired data array element.
        val - The value to be set.
        See Also:
        getElemFloat(int), getElemFloat(int, int)
      • setElemDouble

        public void setElemDouble(int i,
                                  double val)
        Sets the requested data array element in the first (default) bank to the given double.
        Overrides:
        setElemDouble in class DataBuffer
        Parameters:
        i - The desired data array element.
        val - The value to be set.
        See Also:
        getElemDouble(int), getElemDouble(int, int)
      • setElemDouble

        public void setElemDouble(int bank,
                                  int i,
                                  double val)
        Sets the requested data array element in the specified bank to the given double.
        Overrides:
        setElemDouble in class DataBuffer
        Parameters:
        bank - The bank number.
        i - The desired data array element.
        val - The value to be set.
        See Also:
        getElemDouble(int), getElemDouble(int, int)


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