Bitmap (HDT Java Core 2.1 API)

All Known Subinterfaces:

ModifiableBitmap

All Known Implementing Classes:

Bitmap375
```
public interface Bitmap
```
Author:

mario.arias

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`boolean`	`access(long pos)` Get the value of the bit at position pos
`long`	`countOnes()` Count the number of total ones in the data structure.
`long`	`countZeros()` Count the number of total zeros in the data structure.
`long`	`getNumBits()` Get number of total bits in the data structure
`long`	`getSizeBytes()` Estimate the size in bytes of the total data structure.
`String`	`getType()` Return the type of the data structure as defined in HDTVocabulary
`void`	`load(InputStream input, ProgressListener listener)` Load Bitmap from an InputStream
`long`	`rank0(long pos)` Count the number of zeros up to position pos (included)
`long`	`rank1(long pos)` Count the number of ones up to position pos (included)
`void`	`save(OutputStream output, ProgressListener listener)` Dump Bitmap into an OutputStream
`long`	`select0(long n)` Find the position where n zeros have appeared up to that position.
`long`	`select1(long n)` Find the position where n ones have appeared up to that position.
`long`	`selectNext1(long start)` Return the position of the previous 1 before position start.
`long`	`selectPrev1(long start)` Return the position of the next 1 after position start.

- Method Detail
  - access
```
boolean access(long pos)
```
    Get the value of the bit at position pos
    
    Parameters:
    
    pos -
    
    Returns:
  - rank1
```
long rank1(long pos)
```
    Count the number of ones up to position pos (included)
    
    Parameters:
    
    pos -
    
    Returns:
  - rank0
```
long rank0(long pos)
```
    Count the number of zeros up to position pos (included)
    
    Parameters:
    
    pos -
    
    Returns:
  - selectPrev1
```
long selectPrev1(long start)
```
    Return the position of the next 1 after position start.
    
    Parameters:
    
    start -
    
    Returns:
  - selectNext1
```
long selectNext1(long start)
```
    Return the position of the previous 1 before position start.
    
    Parameters:
    
    start -
    
    Returns:
  - select0
```
long select0(long n)
```
    Find the position where n zeros have appeared up to that position.
    
    Parameters:
    
    x -
    
    Returns:
  - select1
```
long select1(long n)
```
    Find the position where n ones have appeared up to that position.
    
    Parameters:
    
    n -
    
    Returns:
  - getNumBits
```
long getNumBits()
```
    Get number of total bits in the data structure
    
    Returns:
  - countOnes
```
long countOnes()
```
    Count the number of total ones in the data structure.
    
    Returns:
  - countZeros
```
long countZeros()
```
    Count the number of total zeros in the data structure.
    
    Returns:
  - getSizeBytes
```
long getSizeBytes()
```
    Estimate the size in bytes of the total data structure.
    
    Returns:
  - save
```
void save(OutputStream output,
          ProgressListener listener)
   throws IOException
```
    Dump Bitmap into an OutputStream
    
    Parameters:
    
    output -
    
    listener -
    
    Throws:
    
    IOException
  - load
```
void load(InputStream input,
          ProgressListener listener)
   throws IOException
```
    Load Bitmap from an InputStream
    
    Parameters:
    
    input -
    
    listener -
    
    Throws:
    
    IOException
  - getType
```
String getType()
```
    Return the type of the data structure as defined in HDTVocabulary
    
    Returns:

Interface Bitmap

Method Summary

Method Detail

access

rank1

rank0

selectPrev1

selectNext1

select0

select1

getNumBits

countOnes

countZeros

getSizeBytes

save

load

getType