public override Object getDataElements(int x, int y, Object obj, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
switch (getTransferType())
{
case DataBuffer.TYPE_BYTE:
byte[] bdata;
if (obj == null)
{
bdata = new byte[1];
}
else
{
bdata = (byte[])obj;
}
bdata[0] = (byte)data.getElem(y * scanlineStride + x);
obj = bdata;
break;
case DataBuffer.TYPE_USHORT:
short[] sdata;
if (obj == null)
{
sdata = new short[1];
}
else
{
sdata = (short[])obj;
}
sdata[0] = (short)data.getElem(y * scanlineStride + x);
obj = sdata;
break;
case DataBuffer.TYPE_INT:
int[] idata;
if (obj == null)
{
idata = new int[1];
}
else
{
idata = (int[])obj;
}
idata[0] = data.getElem(y * scanlineStride + x);
obj = idata;
break;
}
return(obj);
}
public override int getSample(int x, int y, int b, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
return(data.getElem(bankIndices[b], y * scanlineStride +
x * pixelStride + bandOffsets[b]));
}
public override int getSample(int x, int y, int b, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int sample = data.getElem(y * scanlineStride + x);
return(java.dotnet.lang.Operator.shiftRightUnsignet((sample & this.bitMasks[b]), this.bitOffsets[b]));
}
public override void setSample(int x, int y, int b, int s, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int tmp = data.getElem(y * scanlineStride + x);
tmp &= ~this.bitMasks[b];
tmp |= (s << this.bitOffsets[b]) & this.bitMasks[b];
data.setElem(y * scanlineStride + x, tmp);
}
public override int getSample(int x, int y, int b, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height || b != 0)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int bitnum = dataBitOffset + x * pixelBitStride;
int elem = data.getElem(y * scanlineStride + bitnum / dataElementSize);
int shift = dataElementSize - (bitnum & (dataElementSize - 1)) -
pixelBitStride;
return((elem >> shift) & bitMask);
}
/**
* This method is used by other methods of this class. The behaviour of
* this method depends on the method which has been invoke this one. The
* argument methodId is used to choose valid behaviour in a particular case.
* If methodId is equal to 1 it means that this method has been invoked by
* the setDataElements() method, 2 - means setPixel(), and setSample() in
* any other cases.
*/
private void setSample(int x, int y, Object obj,
DataBuffer data, int methodId, int s)
{
if ((x < 0) || (y < 0) || (x >= this.width) || (y >= this.height))
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int bitnum = dataBitOffset + x * pixelBitStride;
int idx = y * scanlineStride + bitnum / dataElementSize;
int shift = dataElementSize - (bitnum & (dataElementSize - 1))
- pixelBitStride;
int mask = ~(bitMask << shift);
int elem = data.getElem(idx);
switch (methodId)
{
case 1:
{ // Invoked from setDataElements()
switch (getTransferType())
{
case DataBuffer.TYPE_BYTE:
s = ((byte[])obj)[0] & 0xff;
break;
case DataBuffer.TYPE_USHORT:
s = ((short[])obj)[0] & 0xffff;
break;
case DataBuffer.TYPE_INT:
s = ((int[])obj)[0];
break;
}
break;
}
case 2:
{ // Invoked from setPixel()
s = ((int[])obj)[0];
break;
}
}
elem &= mask;
elem |= (s & bitMask) << shift;
data.setElem(idx, elem);
}
public override int getSample(int x, int y, int b, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
return data.getElem(bankIndices[b], y * scanlineStride + x +
bandOffsets[b]);
}
public override void setSample(int x, int y, int b, int s, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int tmp = data.getElem(y * scanlineStride + x);
tmp &= ~this.bitMasks[b];
tmp |= (s << this.bitOffsets[b]) & this.bitMasks[b];
data.setElem(y * scanlineStride + x, tmp);
}
public override int getSample(int x, int y, int b, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int sample = data.getElem(y * scanlineStride + x);
return java.dotnet.lang.Operator.shiftRightUnsignet((sample & this.bitMasks[b]), this.bitOffsets[b]);
}
public override Object getDataElements(int x, int y, Object obj, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
switch (getTransferType())
{
case DataBuffer.TYPE_BYTE:
byte[] bdata;
if (obj == null)
{
bdata = new byte[1];
}
else
{
bdata = (byte[])obj;
}
bdata[0] = (byte)data.getElem(y * scanlineStride + x);
obj = bdata;
break;
case DataBuffer.TYPE_USHORT:
short[] sdata;
if (obj == null)
{
sdata = new short[1];
}
else
{
sdata = (short[])obj;
}
sdata[0] = (short)data.getElem(y * scanlineStride + x);
obj = sdata;
break;
case DataBuffer.TYPE_INT:
int[] idata;
if (obj == null)
{
idata = new int[1];
}
else
{
idata = (int[])obj;
}
idata[0] = data.getElem(y * scanlineStride + x);
obj = idata;
break;
}
return obj;
}
/**
* This method is used by other methods of this class. The behaviour of
* this method depends on the method which has been invoke this one. The
* argument methodId is used to choose valid behaviour in a particular case.
* If methodId is equal to 1 it means that this method has been invoked by
* the setDataElements() method, 2 - means setPixel(), and setSample() in
* any other cases.
*/
private void setSample(int x, int y, Object obj,
DataBuffer data, int methodId, int s)
{
if ((x < 0) || (y < 0) || (x >= this.width) || (y >= this.height))
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int bitnum = dataBitOffset + x * pixelBitStride;
int idx = y * scanlineStride + bitnum / dataElementSize;
int shift = dataElementSize - (bitnum & (dataElementSize - 1))
- pixelBitStride;
int mask = ~(bitMask << shift);
int elem = data.getElem(idx);
switch (methodId)
{
case 1:
{ // Invoked from setDataElements()
switch (getTransferType())
{
case DataBuffer.TYPE_BYTE:
s = ((byte[])obj)[0] & 0xff;
break;
case DataBuffer.TYPE_USHORT:
s = ((short[])obj)[0] & 0xffff;
break;
case DataBuffer.TYPE_INT:
s = ((int[])obj)[0];
break;
}
break;
}
case 2:
{ // Invoked from setPixel()
s = ((int[])obj)[0];
break;
}
}
elem &= mask;
elem |= (s & bitMask) << shift;
data.setElem(idx, elem);
}
public override int getSample(int x, int y, int b, DataBuffer data)
{
if (x < 0 || y < 0 || x >= this.width || y >= this.height || b != 0)
{
// awt.63=Coordinates are not in bounds
throw new java.lang.ArrayIndexOutOfBoundsException("Coordinates are not in bounds"); //$NON-NLS-1$
}
int bitnum = dataBitOffset + x * pixelBitStride;
int elem = data.getElem(y * scanlineStride + bitnum / dataElementSize);
int shift = dataElementSize - (bitnum & (dataElementSize - 1)) -
pixelBitStride;
return (elem >> shift) & bitMask;
}