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java.lang.Objectcom.jogamp.common.nio.Buffers
public class Buffers
Utility methods allowing easy Buffer
manipulations.
Field Summary | |
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static int |
SIZEOF_BYTE
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static int |
SIZEOF_CHAR
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static int |
SIZEOF_DOUBLE
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static int |
SIZEOF_FLOAT
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static int |
SIZEOF_INT
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static int |
SIZEOF_LONG
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static int |
SIZEOF_SHORT
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Constructor Summary | |
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protected |
Buffers()
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Method Summary | ||
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static ByteBuffer |
copyByteBuffer(ByteBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed ByteBuffer into
a newly-allocated direct ByteBuffer. |
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static FloatBuffer |
copyFloatBuffer(FloatBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed FloatBuffer
into a newly-allocated direct FloatBuffer. |
|
static ByteBuffer |
copyFloatBufferAsByteBuffer(FloatBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed FloatBuffer
into a newly-allocated direct ByteBuffer. |
|
static IntBuffer |
copyIntBuffer(IntBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed IntBuffer
into a newly-allocated direct IntBuffer. |
|
static ByteBuffer |
copyIntBufferAsByteBuffer(IntBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed IntBuffer into
a newly-allocated direct ByteBuffer. |
|
static ShortBuffer |
copyShortBuffer(ShortBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed ShortBuffer
into a newly-allocated direct ShortBuffer. |
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static ByteBuffer |
copyShortBufferAsByteBuffer(ShortBuffer orig)
Copies the remaining elements (as defined by limit() - position() ) in the passed ShortBuffer
into a newly-allocated direct ByteBuffer. |
|
static Object |
getArray(Object buf)
Helper routine to return the array backing store reference from a Buffer object. |
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static int |
getDirectBufferByteOffset(Object buf)
Helper routine to get the Buffer byte offset by taking into account the Buffer position and the underlying type. |
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static double[] |
getDoubleArray(float[] source,
int soffset,
double[] dest,
int doffset,
int len)
|
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static DoubleBuffer |
getDoubleBuffer(FloatBuffer source,
DoubleBuffer dest)
No rewind or repositioning is performed. |
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static float[] |
getFloatArray(double[] source,
int soffset,
float[] dest,
int doffset,
int len)
|
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static FloatBuffer |
getFloatBuffer(DoubleBuffer source,
FloatBuffer dest)
No rewind or repositioning is performed. |
|
static int |
getIndirectBufferByteOffset(Object buf)
Helper routine to get the full byte offset from the beginning of the array that is the storage for the indirect Buffer object. |
|
static boolean |
isDirect(Object buf)
Helper routine to tell whether a buffer is direct or not. |
|
static ByteBuffer |
nativeOrder(ByteBuffer buf)
Helper routine to set a ByteBuffer to the native byte order, if that operation is supported by the underlying NIO implementation. |
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static ByteBuffer |
newDirectByteBuffer(byte[] values)
|
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static ByteBuffer |
newDirectByteBuffer(byte[] values,
int offset)
|
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static ByteBuffer |
newDirectByteBuffer(byte[] values,
int offset,
int lenght)
|
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static ByteBuffer |
newDirectByteBuffer(int numElements)
Allocates a new direct ByteBuffer with the specified number of elements. |
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static CharBuffer |
newDirectCharBuffer(char[] values)
|
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static CharBuffer |
newDirectCharBuffer(char[] values,
int offset)
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static CharBuffer |
newDirectCharBuffer(char[] values,
int offset,
int lenght)
|
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static CharBuffer |
newDirectCharBuffer(int numElements)
Allocates a new direct CharBuffer with the specified number of elements. |
|
static DoubleBuffer |
newDirectDoubleBuffer(double[] values)
|
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static DoubleBuffer |
newDirectDoubleBuffer(double[] values,
int offset)
|
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static DoubleBuffer |
newDirectDoubleBuffer(double[] values,
int offset,
int lenght)
|
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static DoubleBuffer |
newDirectDoubleBuffer(int numElements)
Allocates a new direct DoubleBuffer with the specified number of elements. |
|
static FloatBuffer |
newDirectFloatBuffer(float[] values)
|
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static FloatBuffer |
newDirectFloatBuffer(float[] values,
int offset)
|
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static FloatBuffer |
newDirectFloatBuffer(float[] values,
int offset,
int lenght)
|
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static FloatBuffer |
newDirectFloatBuffer(int numElements)
Allocates a new direct FloatBuffer with the specified number of elements. |
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static IntBuffer |
newDirectIntBuffer(int numElements)
Allocates a new direct IntBuffer with the specified number of elements. |
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static IntBuffer |
newDirectIntBuffer(int[] values)
|
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static IntBuffer |
newDirectIntBuffer(int[] values,
int offset)
|
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static IntBuffer |
newDirectIntBuffer(int[] values,
int offset,
int lenght)
|
|
static LongBuffer |
newDirectLongBuffer(int numElements)
Allocates a new direct LongBuffer with the specified number of elements. |
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static LongBuffer |
newDirectLongBuffer(long[] values)
|
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static LongBuffer |
newDirectLongBuffer(long[] values,
int offset)
|
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static LongBuffer |
newDirectLongBuffer(long[] values,
int offset,
int lenght)
|
|
static ShortBuffer |
newDirectShortBuffer(int numElements)
Allocates a new direct ShortBuffer with the specified number of elements. |
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static ShortBuffer |
newDirectShortBuffer(short[] values)
|
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static ShortBuffer |
newDirectShortBuffer(short[] values,
int offset)
|
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static ShortBuffer |
newDirectShortBuffer(short[] values,
int offset,
int lenght)
|
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static
|
put(B dest,
Buffer src)
|
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static
|
putb(B dest,
byte v)
|
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static
|
putd(B dest,
double v)
|
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static
|
putf(B dest,
float v)
|
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static
|
puti(B dest,
int v)
|
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static
|
puts(B dest,
short v)
|
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static void |
rangeCheck(Buffer buffer,
int minElementsRemaining)
|
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static void |
rangeCheck(byte[] array,
int offset,
int minElementsRemaining)
|
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static void |
rangeCheck(char[] array,
int offset,
int minElementsRemaining)
|
|
static void |
rangeCheck(double[] array,
int offset,
int minElementsRemaining)
|
|
static void |
rangeCheck(float[] array,
int offset,
int minElementsRemaining)
|
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static void |
rangeCheck(int[] array,
int offset,
int minElementsRemaining)
|
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static void |
rangeCheck(long[] array,
int offset,
int minElementsRemaining)
|
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static void |
rangeCheck(short[] array,
int offset,
int minElementsRemaining)
|
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static void |
rangeCheckBytes(Object buffer,
int minBytesRemaining)
|
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static int |
sizeOfBufferElem(Buffer buffer)
Returns the size of a single element of this buffer in bytes. |
|
static
|
slice(B buffer)
Calls slice on the specified buffer while maintaining the byteorder. |
|
static
|
slice(B buffer,
int offset,
int size)
Slices the specified buffer with offset as position and offset+size as limit while maintaining the byteorder. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int SIZEOF_BYTE
public static final int SIZEOF_SHORT
public static final int SIZEOF_CHAR
public static final int SIZEOF_INT
public static final int SIZEOF_FLOAT
public static final int SIZEOF_LONG
public static final int SIZEOF_DOUBLE
Constructor Detail |
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protected Buffers()
Method Detail |
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public static ByteBuffer newDirectByteBuffer(int numElements)
public static ByteBuffer newDirectByteBuffer(byte[] values, int offset, int lenght)
public static ByteBuffer newDirectByteBuffer(byte[] values, int offset)
public static ByteBuffer newDirectByteBuffer(byte[] values)
public static DoubleBuffer newDirectDoubleBuffer(int numElements)
public static DoubleBuffer newDirectDoubleBuffer(double[] values, int offset, int lenght)
public static DoubleBuffer newDirectDoubleBuffer(double[] values, int offset)
public static DoubleBuffer newDirectDoubleBuffer(double[] values)
public static FloatBuffer newDirectFloatBuffer(int numElements)
public static FloatBuffer newDirectFloatBuffer(float[] values, int offset, int lenght)
public static FloatBuffer newDirectFloatBuffer(float[] values, int offset)
public static FloatBuffer newDirectFloatBuffer(float[] values)
public static IntBuffer newDirectIntBuffer(int numElements)
public static IntBuffer newDirectIntBuffer(int[] values, int offset, int lenght)
public static IntBuffer newDirectIntBuffer(int[] values, int offset)
public static IntBuffer newDirectIntBuffer(int[] values)
public static LongBuffer newDirectLongBuffer(int numElements)
public static LongBuffer newDirectLongBuffer(long[] values, int offset, int lenght)
public static LongBuffer newDirectLongBuffer(long[] values, int offset)
public static LongBuffer newDirectLongBuffer(long[] values)
public static ShortBuffer newDirectShortBuffer(int numElements)
public static ShortBuffer newDirectShortBuffer(short[] values, int offset, int lenght)
public static ShortBuffer newDirectShortBuffer(short[] values, int offset)
public static ShortBuffer newDirectShortBuffer(short[] values)
public static CharBuffer newDirectCharBuffer(int numElements)
public static CharBuffer newDirectCharBuffer(char[] values, int offset, int lenght)
public static CharBuffer newDirectCharBuffer(char[] values, int offset)
public static CharBuffer newDirectCharBuffer(char[] values)
public static <B extends Buffer> B slice(B buffer)
slice(java.nio.Buffer, int, int)
public static <B extends Buffer> B slice(B buffer, int offset, int size)
public static ByteBuffer nativeOrder(ByteBuffer buf)
public static int sizeOfBufferElem(Buffer buffer)
public static boolean isDirect(Object buf)
public static int getDirectBufferByteOffset(Object buf)
public static Object getArray(Object buf)
public static int getIndirectBufferByteOffset(Object buf)
public static ByteBuffer copyByteBuffer(ByteBuffer orig)
limit() - position()
) in the passed ByteBuffer into
a newly-allocated direct ByteBuffer. The returned buffer will
have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static FloatBuffer copyFloatBuffer(FloatBuffer orig)
limit() - position()
) in the passed FloatBuffer
into a newly-allocated direct FloatBuffer. The returned buffer
will have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static IntBuffer copyIntBuffer(IntBuffer orig)
limit() - position()
) in the passed IntBuffer
into a newly-allocated direct IntBuffer. The returned buffer
will have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static ShortBuffer copyShortBuffer(ShortBuffer orig)
limit() - position()
) in the passed ShortBuffer
into a newly-allocated direct ShortBuffer. The returned buffer
will have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static ByteBuffer copyFloatBufferAsByteBuffer(FloatBuffer orig)
limit() - position()
) in the passed FloatBuffer
into a newly-allocated direct ByteBuffer. The returned buffer
will have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static ByteBuffer copyIntBufferAsByteBuffer(IntBuffer orig)
limit() - position()
) in the passed IntBuffer into
a newly-allocated direct ByteBuffer. The returned buffer will
have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static ByteBuffer copyShortBufferAsByteBuffer(ShortBuffer orig)
limit() - position()
) in the passed ShortBuffer
into a newly-allocated direct ByteBuffer. The returned buffer
will have its byte order set to the host platform's native byte
order. The position of the newly-allocated buffer will be zero,
and the position of the passed buffer is unchanged (though its
mark is changed).
public static float[] getFloatArray(double[] source, int soffset, float[] dest, int doffset, int len)
source
- the source arraysoffset
- the offsetdest
- the target array, if null, a new array is being created with size len.doffset
- the offset in the dest arraylen
- the payload of elements to be copied, if len < 0
then len = source.length - soffset
public static FloatBuffer getFloatBuffer(DoubleBuffer source, FloatBuffer dest)
source
- the source buffer, which elements from it's current position and it's limit are being copieddest
- the target buffer, if null, a new buffer is being created with size source.remaining()
public static double[] getDoubleArray(float[] source, int soffset, double[] dest, int doffset, int len)
source
- the source arraysoffset
- the offsetdest
- the target array, if null, a new array is being created with size len.doffset
- the offset in the dest arraylen
- the payload of elements to be copied, if len < 0
then len = source.length - soffset
public static DoubleBuffer getDoubleBuffer(FloatBuffer source, DoubleBuffer dest)
source
- the source buffer, which elements from it's current position and it's limit are being copieddest
- the target buffer, if null, a new buffer is being created with size source.remaining()
public static <B extends Buffer> B put(B dest, Buffer src)
public static <B extends Buffer> B putb(B dest, byte v)
public static <B extends Buffer> B puts(B dest, short v)
public static <B extends Buffer> B puti(B dest, int v)
public static <B extends Buffer> B putf(B dest, float v)
public static <B extends Buffer> B putd(B dest, double v)
public static void rangeCheck(byte[] array, int offset, int minElementsRemaining)
public static void rangeCheck(char[] array, int offset, int minElementsRemaining)
public static void rangeCheck(short[] array, int offset, int minElementsRemaining)
public static void rangeCheck(int[] array, int offset, int minElementsRemaining)
public static void rangeCheck(long[] array, int offset, int minElementsRemaining)
public static void rangeCheck(float[] array, int offset, int minElementsRemaining)
public static void rangeCheck(double[] array, int offset, int minElementsRemaining)
public static void rangeCheck(Buffer buffer, int minElementsRemaining)
public static void rangeCheckBytes(Object buffer, int minBytesRemaining)
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