/// <summary>Creates a new attribute stream for storing vertex indices.</summary>
/// <param name="size">The number of elements in the stream.</param>
/// <param name="defaultValue">The default value to fill the stream with.</param>
public static com.epl.geometry.AttributeStreamBase CreateIndexStream(int size, int defaultValue)
{
int persistence = com.epl.geometry.VertexDescription.Persistence.enumInt32;
// VertexDescription.getPersistenceFromInt(NumberUtils::SizeOf((int)0));
com.epl.geometry.AttributeStreamBase newStream;
switch (persistence)
{
case (com.epl.geometry.VertexDescription.Persistence.enumInt32):
{
newStream = new com.epl.geometry.AttributeStreamOfInt32(size, (int)defaultValue);
break;
}
case (com.epl.geometry.VertexDescription.Persistence.enumInt64):
{
newStream = new com.epl.geometry.AttributeStreamOfInt64(size, (long)defaultValue);
break;
}
default:
{
throw new com.epl.geometry.GeometryException("Internal Error");
}
}
return(newStream);
}
public override bool Equals(com.epl.geometry.AttributeStreamBase other, int start, int end)
{
if (other == null)
{
return(false);
}
if (!(other is com.epl.geometry.AttributeStreamOfInt64))
{
return(false);
}
com.epl.geometry.AttributeStreamOfInt64 _other = (com.epl.geometry.AttributeStreamOfInt64)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);
}
/// <summary>Creates a new attribute stream of given persistence type and size.</summary>
/// <param name="persistence">The persistence type of the stream (see VertexDescription).</param>
/// <param name="size">
/// The number of elements (floats, doubles, or 32 bit integers)
/// of the given type in the stream.
/// </param>
/// <param name="defaultValue">The default value to fill the stream with.</param>
public static com.epl.geometry.AttributeStreamBase CreateAttributeStreamWithPersistence(int persistence, int size, double defaultValue)
{
com.epl.geometry.AttributeStreamBase newStream;
switch (persistence)
{
case (com.epl.geometry.VertexDescription.Persistence.enumFloat):
{
newStream = new com.epl.geometry.AttributeStreamOfFloat(size, (float)defaultValue);
break;
}
case (com.epl.geometry.VertexDescription.Persistence.enumDouble):
{
newStream = new com.epl.geometry.AttributeStreamOfDbl(size, (double)defaultValue);
break;
}
case (com.epl.geometry.VertexDescription.Persistence.enumInt32):
{
newStream = new com.epl.geometry.AttributeStreamOfInt32(size, (int)defaultValue);
break;
}
case (com.epl.geometry.VertexDescription.Persistence.enumInt64):
{
newStream = new com.epl.geometry.AttributeStreamOfInt64(size, (long)defaultValue);
break;
}
case (com.epl.geometry.VertexDescription.Persistence.enumInt8):
{
newStream = new com.epl.geometry.AttributeStreamOfInt8(size, unchecked ((byte)defaultValue));
break;
}
case (com.epl.geometry.VertexDescription.Persistence.enumInt16):
{
newStream = new com.epl.geometry.AttributeStreamOfInt16(size, (short)defaultValue);
break;
}
default:
{
throw new com.epl.geometry.GeometryException("Internal Error");
}
}
return(newStream);
}
public AttributeStreamOfInt64(com.epl.geometry.AttributeStreamOfInt64 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 long[sz];
System.Array.Copy(other.m_buffer, 0, m_buffer, 0, m_size);
}
public AttributeStreamOfInt64(com.epl.geometry.AttributeStreamOfInt64 other)
{
m_buffer = (long[])other.m_buffer.Clone();
m_size = other.m_size;
}
public override void WriteRange(int startElement, int count, com.epl.geometry.AttributeStreamBase _src, int srcStart, bool bForward, int stride)
{
if (startElement < 0 || count < 0 || srcStart < 0)
{
throw new System.ArgumentException();
}
if (!bForward && (stride <= 0 || (count % stride != 0)))
{
throw new System.ArgumentException();
}
com.epl.geometry.AttributeStreamOfInt64 src = (com.epl.geometry.AttributeStreamOfInt64)_src;
// the input
// type must
// match
if (src.Size() < (int)(srcStart + count))
{
throw new System.ArgumentException();
}
if (count == 0)
{
return;
}
if (Size() < count + startElement)
{
Resize(count + startElement);
}
if (_src == (com.epl.geometry.AttributeStreamBase) this)
{
_selfWriteRangeImpl(startElement, count, srcStart, bForward, stride);
return;
}
if (bForward)
{
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;
}
}
}
}
