DataViewNativeEmul (GWT Javadoc)

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## com.google.gwt.typedarrays.client
Class DataViewNativeEmul

    java.lang.Object
      com.google.gwt.typedarrays.client.DataViewNativeEmul

All Implemented Interfaces:
  ArrayBufferView, DataView

    public class DataViewNativeEmul

extends java.lang.Object
implements DataView

JS native implementation of `DataView` for platforms with typed array support but missing DataView (ie, Firefox).

Field Summary
`protected ArrayBuffer` | `buffer`
`protected int` | `bufferByteOffset`
`protected int` | `byteLength`
`protected Uint8ArrayNative` | `tempBuffer` A temporary buffer used for reversing bytes.
`protected Uint8ArrayNative` | `uint8Array` A view of the underlying buffer as bytes.

Constructor Summary
`protected` | `DataViewNativeEmul(ArrayBuffer buffer, int byteOffset, int byteLength)`

Method Summary
`ArrayBuffer` | `buffer()` Get the underlying `ArrayBuffer`.
`int` | `byteLength()` Get the length of this view in bytes.
`int` | `byteOffset()` Get the offset from the beginning of the underlying `ArrayBuffer`.
`static DataView` | `create(ArrayBuffer buffer, int byteOffset, int byteLength)`
`float` | `getFloat32(int byteOffset)`
`float` | `getFloat32(int byteOffset, boolean littleEndian)`
`double` | `getFloat64(int byteOffset)`
`double` | `getFloat64(int byteOffset, boolean littleEndian)`
`short` | `getInt16(int byteOffset)`
`short` | `getInt16(int byteOffset, boolean littleEndian)`
`int` | `getInt32(int byteOffset)`
`int` | `getInt32(int byteOffset, boolean littleEndian)`
`byte` | `getInt8(int byteOffset)`
`int` | `getUint16(int byteOffset)`
`int` | `getUint16(int byteOffset, boolean littleEndian)`
`long` | `getUint32(int byteOffset)`
`long` | `getUint32(int byteOffset, boolean littleEndian)`
`double` | `getUint32AsDouble(int byteOffset)`
`double` | `getUint32AsDouble(int byteOffset, boolean littleEndian)`
`short` | `getUint8(int byteOffset)`
`protected void` | `reverseBytes(Uint8ArrayNative src, int srcOfs, int len, Uint8ArrayNative dest, int destOfs)` Copy bytes from the underlying buffer to a temporary buffer, reversing them in the process.
`void` | `setFloat32(int byteOffset, float value)`
`void` | `setFloat32(int byteOffset, float value, boolean littleEndian)`
`void` | `setFloat64(int byteOffset, double value)`
`void` | `setFloat64(int byteOffset, double value, boolean littleEndian)`
`void` | `setInt16(int byteOffset, int value)`
`void` | `setInt16(int byteOffset, int value, boolean littleEndian)`
`void` | `setInt32(int byteOffset, int value)`
`void` | `setInt32(int byteOffset, int value, boolean littleEndian)`
`void` | `setInt8(int byteOffset, int value)`
`void` | `setUint16(int byteOffset, int value)`
`void` | `setUint16(int byteOffset, int value, boolean littleEndian)`
`void` | `setUint32(int byteOffset, long value)`
`void` | `setUint32(int byteOffset, long value, boolean littleEndian)`
`void` | `setUint32FromDouble(int byteOffset, double value)`
`void` | `setUint32FromDouble(int byteOffset, double value, boolean littleEndian)`
`void` | `setUint8(int byteOffset, int value)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### buffer

    protected final ArrayBuffer buffer

### bufferByteOffset

    protected final int bufferByteOffset

### byteLength

    protected final int byteLength

### tempBuffer

    protected final Uint8ArrayNative tempBuffer

  A temporary buffer used for reversing bytes.

### uint8Array

    protected final Uint8ArrayNative uint8Array

  A view of the underlying buffer as bytes.

Constructor Detail

### DataViewNativeEmul

    protected DataViewNativeEmul(ArrayBuffer buffer,
                                 int byteOffset,
                                 int byteLength)

Method Detail

### create

    public static DataView create(ArrayBuffer buffer,
                                  int byteOffset,
                                  int byteLength)

  Parameters:
    `buffer` -
    `byteOffset` -
    `byteLength` -
  Returns:
    a `DataView` instance

### buffer

    public ArrayBuffer buffer()

  Description copied from interface: `ArrayBufferView`
  Get the underlying `ArrayBuffer`.

  Specified by:
    `buffer` in interface `ArrayBufferView`
  Returns:
    the `ArrayBuffer` instance backing this view

### byteLength

    public int byteLength()

  Description copied from interface: `ArrayBufferView`
  Get the length of this view in bytes.

  Specified by:
    `byteLength` in interface `ArrayBufferView`
  Returns:
    number of bytes in this view

### byteOffset

    public int byteOffset()

  Description copied from interface: `ArrayBufferView`
  Get the offset from the beginning of the underlying `ArrayBuffer`.

  Specified by:
    `byteOffset` in interface `ArrayBufferView`
  Returns:
    0-based offset from the beginning of `ArrayBufferView.buffer()`

### getFloat32

    public float getFloat32(int byteOffset)

  Specified by:
    `getFloat32` in interface `DataView`

### getFloat32

    public float getFloat32(int byteOffset,
                            boolean littleEndian)

  Specified by:
    `getFloat32` in interface `DataView`

### getFloat64

    public double getFloat64(int byteOffset)

  Specified by:
    `getFloat64` in interface `DataView`

### getFloat64

    public double getFloat64(int byteOffset,
                             boolean littleEndian)

  Specified by:
    `getFloat64` in interface `DataView`

### getInt16

    public short getInt16(int byteOffset)

  Specified by:
    `getInt16` in interface `DataView`

### getInt16

    public short getInt16(int byteOffset,
                          boolean littleEndian)

  Specified by:
    `getInt16` in interface `DataView`

### getInt32

    public int getInt32(int byteOffset)

  Specified by:
    `getInt32` in interface `DataView`

### getInt32

    public int getInt32(int byteOffset,
                        boolean littleEndian)

  Specified by:
    `getInt32` in interface `DataView`

### getInt8

    public byte getInt8(int byteOffset)

  Specified by:
    `getInt8` in interface `DataView`

### getUint16

    public int getUint16(int byteOffset)

  Specified by:
    `getUint16` in interface `DataView`

### getUint16

    public int getUint16(int byteOffset,
                         boolean littleEndian)

  Specified by:
    `getUint16` in interface `DataView`

### getUint32

    public long getUint32(int byteOffset)

  Specified by:
    `getUint32` in interface `DataView`

### getUint32

    public long getUint32(int byteOffset,
                          boolean littleEndian)

  Specified by:
    `getUint32` in interface `DataView`

### getUint32AsDouble

    public double getUint32AsDouble(int byteOffset)

  Specified by:
    `getUint32AsDouble` in interface `DataView`
  Returns:
    unsigned 32-bit int as a double

### getUint32AsDouble

    public double getUint32AsDouble(int byteOffset,
                                    boolean littleEndian)

  Specified by:
    `getUint32AsDouble` in interface `DataView`
  Returns:
    unsigned 32-bit int as a double

### getUint8

    public short getUint8(int byteOffset)

  Specified by:
    `getUint8` in interface `DataView`

### setFloat32

    public void setFloat32(int byteOffset,
                           float value)

  Specified by:
    `setFloat32` in interface `DataView`

### setFloat32

    public void setFloat32(int byteOffset,
                           float value,
                           boolean littleEndian)

  Specified by:
    `setFloat32` in interface `DataView`

### setFloat64

    public void setFloat64(int byteOffset,
                           double value)

  Specified by:
    `setFloat64` in interface `DataView`

### setFloat64

    public void setFloat64(int byteOffset,
                           double value,
                           boolean littleEndian)

  Specified by:
    `setFloat64` in interface `DataView`

### setInt16

    public void setInt16(int byteOffset,
                         int value)

  Specified by:
    `setInt16` in interface `DataView`

### setInt16

    public void setInt16(int byteOffset,
                         int value,
                         boolean littleEndian)

  Specified by:
    `setInt16` in interface `DataView`

### setInt32

    public void setInt32(int byteOffset,
                         int value)

  Specified by:
    `setInt32` in interface `DataView`

### setInt32

    public void setInt32(int byteOffset,
                         int value,
                         boolean littleEndian)

  Specified by:
    `setInt32` in interface `DataView`

### setInt8

    public void setInt8(int byteOffset,
                        int value)

  Specified by:
    `setInt8` in interface `DataView`

### setUint16

    public void setUint16(int byteOffset,
                          int value)

  Specified by:
    `setUint16` in interface `DataView`

### setUint16

    public void setUint16(int byteOffset,
                          int value,
                          boolean littleEndian)

  Specified by:
    `setUint16` in interface `DataView`

### setUint32

    public void setUint32(int byteOffset,
                          long value)

  Specified by:
    `setUint32` in interface `DataView`

### setUint32

    public void setUint32(int byteOffset,
                          long value,
                          boolean littleEndian)

  Specified by:
    `setUint32` in interface `DataView`

### setUint32FromDouble

    public void setUint32FromDouble(int byteOffset,
                                    double value)

  Specified by:
    `setUint32FromDouble` in interface `DataView`

### setUint32FromDouble

    public void setUint32FromDouble(int byteOffset,
                                    double value,
                                    boolean littleEndian)

  Specified by:
    `setUint32FromDouble` in interface `DataView`

### setUint8

    public void setUint8(int byteOffset,
                         int value)

  Specified by:
    `setUint8` in interface `DataView`

### reverseBytes

    protected final void reverseBytes(Uint8ArrayNative src,
                                      int srcOfs,
                                      int len,
                                      Uint8ArrayNative dest,
                                      int destOfs)

  Copy bytes from the underlying buffer to a temporary buffer, reversing them in the process.

  Parameters:
    `src` -
    `srcOfs` - offset into `buffer`
    `len` - number of bytes to copy
    `dest` -
    `destOfs` -

Overview | Package | Class | Use | Deprecated | Help
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