public override AreaEval Offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx, int relLastColIx)
{
AreaI area = new OffsetArea(FirstRow, FirstColumn,
relFirstRowIx, relLastRowIx, relFirstColIx, relLastColIx);
return(new LazyAreaEval(area, _evaluator));
}
public override AreaEval Offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx,
int relLastColIx)
{
AreaI area = new OffsetArea(Row, Column,
relFirstRowIx, relLastRowIx, relFirstColIx, relLastColIx);
return(new MockAreaEval(area));
}
public override AreaEval Offset(int relFirstRowIx, int relLastRowIx,
int relFirstColIx, int relLastColIx)
{
AreaI area = new OffsetArea(FirstRow, FirstColumn,
relFirstRowIx, relLastRowIx, relFirstColIx, relLastColIx);
int height = area.LastRow - area.FirstRow + 1;
int width = area.LastColumn - area.FirstColumn + 1;
ValueEval[] newVals = new ValueEval[height * width];
int startRow = area.FirstRow - FirstRow;
int startCol = area.FirstColumn - FirstColumn;
for (int j = 0; j < height; j++)
{
for (int i = 0; i < width; i++)
{
ValueEval temp;
/* CacheAreaEval is only temporary value representation, does not equal sheet selection
* so any attempts going beyond the selection results in BlankEval
*/
if (startRow + j > LastRow || startCol + i > LastColumn)
{
temp = BlankEval.instance;
}
else
{
temp = _values[(startRow + j) * Width + (startCol + i)];
}
newVals[j * width + i] = temp;
}
}
return(new CacheAreaEval(area, newVals));
}
