| public getCompData ( CSJ2K.j2k.image.DataBlk blk, int c ) : CSJ2K.j2k.image.DataBlk | ||
| blk | CSJ2K.j2k.image.DataBlk | Its coordinates and dimensions specify the area to /// return. If it contains a non-null data array, then it must be large /// enough. If it contains a null data array a new one is created. The /// fields in this object are modified to return the data. /// /// |
| c | int | The index of the component from which to get the data. /// /// |
| Результат | CSJ2K.j2k.image.DataBlk | |
public override DataBlk getCompData(DataBlk blk, int c)
{
//int j;
System.Object dst_data; // src_data removed
int[] dst_data_int; // src_data_int removed
float[] dst_data_float; // src_data_float removed
// To keep compiler happy
dst_data = null;
// Ensure output buffer
switch (blk.DataType)
{
case DataBlk.TYPE_INT:
dst_data_int = (int[]) blk.Data;
if (dst_data_int == null || dst_data_int.Length < blk.w * blk.h)
{
dst_data_int = new int[blk.w * blk.h];
}
dst_data = dst_data_int;
break;
case DataBlk.TYPE_FLOAT:
dst_data_float = (float[]) blk.Data;
if (dst_data_float == null || dst_data_float.Length < blk.w * blk.h)
{
dst_data_float = new float[blk.w * blk.h];
}
dst_data = dst_data_float;
break;
}
// Use getInternCompData() to get the data, since getInternCompData()
// returns reference to internal buffer, we must copy it.
blk = getInternCompData(blk, c);
// Copy the data
blk.Data = dst_data;
blk.offset = 0;
blk.scanw = blk.w;
return blk;
}