/**
* @param data
* @param copy
*/
public BaseDataBuffer(double[] data, boolean copy) {
allocationMode = AllocUtil.getAllocationModeFromContext();
initTypeAndSize();
pointer = new DoublePointer(data);
indexer = DoubleIndexer.create((DoublePointer) pointer);
wrappedBuffer = pointer.asByteBuffer();
length = data.length;
underlyingLength = data.length;
}
public void pointerIndexerByGlobalType(Type currentType) {
if (currentType == Type.INT) {
pointer = new IntPointer(length());
indexer = IntIndexer.create((IntPointer) pointer);
type = Type.INT;
} else {
if (globalType == Type.DOUBLE) {
pointer = new DoublePointer(length());
indexer = DoubleIndexer.create((DoublePointer) pointer);
} else if (globalType == Type.FLOAT) {
pointer = new FloatPointer(length());
indexer = FloatIndexer.create((FloatPointer) pointer);
}
}
}
/**
* Create a data buffer from the given length
*
* @param buffer
* @param length
*/
public BaseDataBuffer(ByteBuffer buffer, long length) {
if (length < 1) throw new IllegalArgumentException("Length must be >= 1");
initTypeAndSize();
this.length = length;
allocationMode = AllocUtil.getAllocationModeFromContext();
if (dataType() == Type.DOUBLE) {
pointer = new DoublePointer(buffer.asDoubleBuffer());
indexer = DoubleIndexer.create((DoublePointer) pointer);
} else if (dataType() == Type.FLOAT) {
pointer = new FloatPointer(buffer.asFloatBuffer());
indexer = FloatIndexer.create((FloatPointer) pointer);
} else if (dataType() == Type.INT) {
pointer = new IntPointer(buffer.asIntBuffer());
indexer = IntIndexer.create((IntPointer) pointer);
}
}
/**
* @param length
* @param elementSize
*/
public BaseDataBuffer(long length, int elementSize) {
if (length < 1) throw new IllegalArgumentException("Length must be >= 1");
initTypeAndSize();
allocationMode = AllocUtil.getAllocationModeFromContext();
this.length = length;
this.underlyingLength = length;
this.elementSize = elementSize;
if (dataType() == Type.DOUBLE) {
pointer = new DoublePointer(length);
indexer = DoubleIndexer.create((DoublePointer) pointer);
} else if (dataType() == Type.FLOAT) {
pointer = new FloatPointer(length);
indexer = FloatIndexer.create((FloatPointer) pointer);
} else if (dataType() == Type.INT) {
pointer = new IntPointer(length);
indexer = IntIndexer.create((IntPointer) pointer);
}
}
protected BaseDataBuffer(long length, boolean initialize) {
if (length < 1) throw new IllegalArgumentException("Length must be >= 1");
initTypeAndSize();
this.length = length;
this.underlyingLength = length;
allocationMode = AllocUtil.getAllocationModeFromContext();
if (length < 0) throw new IllegalArgumentException("Unable to create a buffer of length <= 0");
if (dataType() == Type.DOUBLE) {
pointer = new DoublePointer(length());
indexer = DoubleIndexer.create((DoublePointer) pointer);
if (initialize) fillPointerWithZero();
} else if (dataType() == Type.FLOAT) {
pointer = new FloatPointer(length());
indexer = FloatIndexer.create((FloatPointer) pointer);
if (initialize) fillPointerWithZero();
} else if (dataType() == Type.INT) {
pointer = new IntPointer(length());
indexer = IntIndexer.create((IntPointer) pointer);
if (initialize) fillPointerWithZero();
}
}
/** Returns an {@link Indexer} for the <i>i</i>th image plane. */
public <I extends Indexer> I createIndexer(boolean direct, int i) {
int[] sizes = {imageHeight, imageWidth, imageChannels};
int[] strides = {imageStride, imageChannels, 1};
Buffer buffer = image[i];
Object array = buffer.hasArray() ? buffer.array() : null;
switch (imageDepth) {
case DEPTH_UBYTE:
return array != null
? (I) UByteIndexer.create((byte[]) array, sizes, strides)
: direct
? (I) UByteIndexer.create((ByteBuffer) buffer, sizes, strides)
: (I)
UByteIndexer.create(
new BytePointer((ByteBuffer) buffer), sizes, strides, false);
case DEPTH_BYTE:
return array != null
? (I) ByteIndexer.create((byte[]) array, sizes, strides)
: direct
? (I) ByteIndexer.create((ByteBuffer) buffer, sizes, strides)
: (I)
ByteIndexer.create(new BytePointer((ByteBuffer) buffer), sizes, strides, false);
case DEPTH_USHORT:
return array != null
? (I) UShortIndexer.create((short[]) array, sizes, strides)
: direct
? (I) UShortIndexer.create((ShortBuffer) buffer, sizes, strides)
: (I)
UShortIndexer.create(
new ShortPointer((ShortBuffer) buffer), sizes, strides, false);
case DEPTH_SHORT:
return array != null
? (I) ShortIndexer.create((short[]) array, sizes, strides)
: direct
? (I) ShortIndexer.create((ShortBuffer) buffer, sizes, strides)
: (I)
ShortIndexer.create(
new ShortPointer((ShortBuffer) buffer), sizes, strides, false);
case DEPTH_INT:
return array != null
? (I) IntIndexer.create((int[]) array, sizes, strides)
: direct
? (I) IntIndexer.create((IntBuffer) buffer, sizes, strides)
: (I) IntIndexer.create(new IntPointer((IntBuffer) buffer), sizes, strides, false);
case DEPTH_LONG:
return array != null
? (I) LongIndexer.create((long[]) array, sizes, strides)
: direct
? (I) LongIndexer.create((LongBuffer) buffer, sizes, strides)
: (I)
LongIndexer.create(new LongPointer((LongBuffer) buffer), sizes, strides, false);
case DEPTH_FLOAT:
return array != null
? (I) FloatIndexer.create((float[]) array, sizes, strides)
: direct
? (I) FloatIndexer.create((FloatBuffer) buffer, sizes, strides)
: (I)
FloatIndexer.create(
new FloatPointer((FloatBuffer) buffer), sizes, strides, false);
case DEPTH_DOUBLE:
return array != null
? (I) DoubleIndexer.create((double[]) array, sizes, strides)
: direct
? (I) DoubleIndexer.create((DoubleBuffer) buffer, sizes, strides)
: (I)
DoubleIndexer.create(
new DoublePointer((DoubleBuffer) buffer), sizes, strides, false);
default:
assert false;
}
return null;
}