C# Class ZXing.Common.BitArray

A simple, fast array of bits, represented compactly by an array of ints internally.

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Public Methods

Method	Description
BitArray ( ) : System
BitArray ( int size ) : System
Clone ( ) : object	Erstellt ein neues Objekt, das eine Kopie der aktuellen Instanz darstellt.
Equals ( Object o ) : bool	Determines whether the specified System.Object is equal to this instance.
GetHashCode ( ) : int	Returns a hash code for this instance.
ToString ( ) : String	Returns a System.String that represents this instance.
appendBit ( bool bit ) : void	Appends the bit.
appendBitArray ( BitArray other ) : void
appendBits ( int value, int numBits ) : void	Appends the least-significant bits, from value, in order from most-significant to least-significant. For example, appending 6 bits from 0x000001E will append the bits 0, 1, 1, 1, 1, 0 in that order.
clear ( ) : void	Clears all bits (sets to false).
flip ( int i ) : void	Flips bit i.
getNextSet ( int from ) : int	Gets the next set.
getNextUnset ( int from ) : int	see getNextSet(int)
isRange ( int start, int end, bool value ) : bool	Efficient method to check if a range of bits is set, or not set.
reverse ( ) : void	Reverses all bits in the array.
setBulk ( int i, int newBits ) : void	Sets a block of 32 bits, starting at bit i.
setRange ( int start, int end ) : void	Sets a range of bits.
this ( int i ) : bool
toBytes ( int bitOffset, byte array, int offset, int numBytes ) : void	Toes the bytes.
xor ( BitArray other ) : void

Private Methods

Method	Description
BitArray ( int bits, int size ) : System
ensureCapacity ( int size ) : void
makeArray ( int size ) : int[]
numberOfTrailingZeros ( int num ) : int

Method Details

BitArray() public method

public BitArray ( ) : System
return	System

BitArray() public method

public BitArray ( int size ) : System
size	int
return	System

Clone() public method

Erstellt ein neues Objekt, das eine Kopie der aktuellen Instanz darstellt.

public Clone ( ) : object
return	object

Equals() public method

Determines whether the specified System.Object is equal to this instance.

public Equals ( Object o ) : bool
o	Object	The to compare with this instance.
return	bool

GetHashCode() public method

Returns a hash code for this instance.

public GetHashCode ( ) : int
return	int

ToString() public method

Returns a System.String that represents this instance.

public ToString ( ) : String
return	String

appendBit() public method

Appends the bit.

public appendBit ( bool bit ) : void
bit	bool	The bit.
return	void

appendBitArray() public method

public appendBitArray ( BitArray other ) : void
other	BitArray
return	void

appendBits() public method

Appends the least-significant bits, from value, in order from most-significant to least-significant. For example, appending 6 bits from 0x000001E will append the bits 0, 1, 1, 1, 1, 0 in that order.

public appendBits ( int value, int numBits ) : void
value	int	containing bits to append
numBits	int	bits from value to append
return	void

clear() public method

Clears all bits (sets to false).

public clear ( ) : void
return	void

flip() public method

Flips bit i.

public flip ( int i ) : void
i	int	bit to set ///
return	void

getNextSet() public method

Gets the next set.

public getNextSet ( int from ) : int
from	int	first bit to check
return	int

getNextUnset() public method

see getNextSet(int)

public getNextUnset ( int from ) : int
from	int	index to start looking for unset bit
return	int

isRange() public method

Efficient method to check if a range of bits is set, or not set.

public isRange ( int start, int end, bool value ) : bool
start	int	start of range, inclusive. ///
end	int	end of range, exclusive ///
value	bool	if true, checks that bits in range are set, otherwise checks that they are not set ///
return	bool

reverse() public method

Reverses all bits in the array.

public reverse ( ) : void
return	void

setBulk() public method

Sets a block of 32 bits, starting at bit i.

public setBulk ( int i, int newBits ) : void
i	int	first bit to set ///
newBits	int	the new value of the next 32 bits. Note again that the least-significant bit /// corresponds to bit i, the next-least-significant to i+1, and so on. ///
return	void

setRange() public method

Sets a range of bits.

public setRange ( int start, int end ) : void
start	int	start of range, inclusive.
end	int	end of range, exclusive
return	void

this() public method

public this ( int i ) : bool
i	int
return	bool

toBytes() public method

Toes the bytes.

public toBytes ( int bitOffset, byte array, int offset, int numBytes ) : void
bitOffset	int	first bit to start writing
array	byte	array to write into. Bytes are written most-significant byte first. This is the opposite /// of the internal representation, which is exposed by BitArray
offset	int	position in array to start writing
numBytes	int	how many bytes to write
return	void

xor() public method

public xor ( BitArray other ) : void
other	BitArray
return	void