public AttributeStreamOfInt32(AttributeStreamOfInt32 other, int maxSize) {
m_size = other.size();
if (m_size > maxSize) m_size = maxSize;
int sz = m_size;
if (sz < 2) sz = 2;
m_buffer = new int[sz];
System.arraycopy(other.m_buffer, 0, m_buffer, 0, m_size);
}
@Override
public void writeRange(
int startElement,
int count,
AttributeStreamBase _src,
int srcStart,
boolean bForward,
int stride) {
if (startElement < 0 || count < 0 || srcStart < 0) throw new IllegalArgumentException();
if (!bForward && (stride <= 0 || (count % stride != 0))) throw new IllegalArgumentException();
AttributeStreamOfInt32 src = (AttributeStreamOfInt32) _src; // the input
// type must
// match
if (src.size() < (int) (srcStart + count)) throw new IllegalArgumentException();
if (count == 0) return;
if (size() < count + startElement) resize(count + startElement);
if (_src == (AttributeStreamBase) this) {
_selfWriteRangeImpl(startElement, count, srcStart, bForward, stride);
return;
}
if (bForward) {
System.arraycopy(src.m_buffer, srcStart, m_buffer, startElement, count);
// int j = startElement;
// int offset = srcStart;
// for (int i = 0; i < count; i++)
// {
// m_buffer[j] = src.m_buffer[offset];
// j++;
// offset++;
// }
} else {
int j = startElement;
int offset = srcStart + count - stride;
if (stride == 1) {
for (int i = 0; i < count; i++) {
m_buffer[j] = src.m_buffer[offset];
j++;
offset--;
}
} else {
for (int i = 0, n = count / stride; i < n; i++) {
for (int k = 0; k < stride; k++) m_buffer[j + k] = src.m_buffer[offset + k];
j += stride;
offset -= stride;
}
}
}
}
@Override
public boolean equals(AttributeStreamBase other, int start, int end) {
if (other == null) return false;
if (!(other instanceof AttributeStreamOfInt32)) return false;
AttributeStreamOfInt32 _other = (AttributeStreamOfInt32) other;
int size = size();
int sizeOther = _other.size();
if (end > size || end > sizeOther && (size != sizeOther)) return false;
if (end > size) end = size;
for (int i = start; i < end; i++) if (read(i) != _other.read(i)) return false;
return true;
}