private void AddToColGaps(List<TextRecord> txtRow)
{
// this keeps a record of gaps between texts
if (txtRow.Count == 0)
return;
TextRecordSorter trs = new TextRecordSorter();
txtRow.Sort(trs);
// colgaps are the spaces between the texts - we accumulate these
// then we will know where the vertical lines will go
int iLeft = 0;
int iNextLeft = 0;
int iRight = 0;
for (int i = 0; i <= txtRow.Count; i++)
{
if (iLeft == m_iMaxX)
continue;
if (i == txtRow.Count)
iRight = m_iMaxX;
else
{
TextRecord tr = txtRow[i];
Rectangle rc = tr.ActualRectangle();
iRight = rc.Left;
if (iRight <= iLeft + 1)
{
iLeft = rc.Right;
continue; // same cell
}
iNextLeft = rc.Right;
}
bool bAdded = AddGap(iLeft, iRight);
// not found -> add it on
if (!bAdded)
{
m_ColGaps.Add(new Point(iLeft, iRight));
}
iLeft = iNextLeft;
}
}
private void UnMergeCellsForTextsInShadedAreas(List<TextRecord> texts, List<FilledArea> areas)
{
if (MergedCells.Count == 0 || texts.Count == 0 || areas.Count == 0)
return;
// ok. sort the texts on Y. sort the areas on Y
TextRecordSorter trs = new TextRecordSorter();
texts.Sort(trs);
FilledAreaSorter fas = new FilledAreaSorter();
areas.Sort(fas);
// trundle through each area, look for texts in it. the sorting makes it quicker
foreach (FilledArea fa in areas)
{
// if filled area is not > 1 cell continue;
Rectangle rcFilledArea = DetermineCellRange(fa.Bounds);
if (fa.Bounds.Height < 2 && fa.Bounds.Width < 2)
continue;
Rectangle rcFaCells = DetermineCellRange(fa.Bounds);
List<Rectangle> rcThisLine = new List<Rectangle>();
foreach (TextRecord tr in texts)
{
if (tr.Text.Bounds.Bottom < fa.Bounds.Top)
continue; // text before area
if (!fa.Bounds.Contains(tr.Text.Bounds.Location))
{ // deal with current lineTexts
SplitCells(rcFaCells, rcThisLine);
rcThisLine.Clear();
if (fa.Bounds.Bottom < tr.Text.Bounds.Top)
break;
continue; // same line
}
Rectangle rcTextCell = DetermineCellRange(tr.Text.Bounds);
if (rcThisLine.Count == 0)
{
rcThisLine.Add(rcTextCell);
}
else if (Math.Abs(rcTextCell.Top - rcThisLine[rcThisLine.Count - 1].Top) == 0)
{
rcThisLine.Add(rcTextCell);
}
else // start of next line in filled area
{
SplitCells(rcFaCells, rcThisLine);
rcThisLine.Clear();
rcThisLine.Add(rcTextCell);
}
}
SplitCells(rcFaCells, rcThisLine);
}
}
private void PutTextInCells(List<TextRecord> list)
{
TextRecordSorter trs = new TextRecordSorter();
list.Sort(trs);
foreach (TextRecord tr in list)
{
Rectangle r = DetermineCellRange(tr.ActualRectangle());
if (r.Top >= m_cells.GetLength(0) || r.Left >= m_cells.GetLength(1))
continue;
if (tr.Text.Bounds.Height < 5) // too squished
continue;
if (m_cells[r.Top, r.Left] == null)
m_cells[r.Top, r.Left] = new Cell();
for (int i = 0; i < r.Width; i++)
{
for (int j = 0; j < r.Height; j++)
{
if (i == 0 & j == 0)
continue;
if (m_cells[r.Top + j, r.Left + i] != null)
{
// throw new InvalidOperationException();
continue;
}
m_cells[r.Top + j, r.Left + i] = new DummyCell();
}
}
m_cells[r.Top, r.Left].Accept(tr, r);
}
}