void AXTableCell::columnIndexRange(std::pair<unsigned, unsigned>& columnRange)
{
if (!m_layoutObject || !m_layoutObject->isTableCell())
return;
LayoutTableCell* cell = toLayoutTableCell(m_layoutObject);
columnRange.first = cell->table()->colToEffCol(cell->col());
columnRange.second = cell->table()->colToEffCol(cell->col() + cell->colSpan()) - columnRange.first;
}
void TableSectionPainter::paintCell(const LayoutTableCell& cell, const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
LayoutPoint cellPoint = m_layoutTableSection.flipForWritingModeForChild(&cell, paintOffset);
PaintPhase paintPhase = paintInfo.phase;
const LayoutTableRow* row = toLayoutTableRow(cell.parent());
if ((paintPhase == PaintPhaseBlockBackground || paintPhase == PaintPhaseChildBlockBackground)
&& BlockPainter(cell).intersectsPaintRect(paintInfo, paintOffset)) {
// We need to handle painting a stack of backgrounds. This stack (from bottom to top) consists of
// the column group, column, row group, row, and then the cell.
LayoutTableCol* column = m_layoutTableSection.table()->colElement(cell.col());
LayoutTableCol* columnGroup = column ? column->enclosingColumnGroup() : 0;
TableCellPainter tableCellPainter(cell);
// Column groups and columns first.
// FIXME: Columns and column groups do not currently support opacity, and they are being painted "too late" in
// the stack, since we have already opened a transparency layer (potentially) for the table row group.
// Note that we deliberately ignore whether or not the cell has a layer, since these backgrounds paint "behind" the
// cell.
if (columnGroup && columnGroup->hasBackground())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, columnGroup, DisplayItem::TableCellBackgroundFromColumnGroup);
if (column && column->hasBackground())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, column, DisplayItem::TableCellBackgroundFromColumn);
// Paint the row group next.
if (m_layoutTableSection.hasBackground())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, &m_layoutTableSection, DisplayItem::TableCellBackgroundFromSection);
// Paint the row next, but only if it doesn't have a layer. If a row has a layer, it will be responsible for
// painting the row background for the cell.
if (row->hasBackground() && !row->hasSelfPaintingLayer())
tableCellPainter.paintBackgroundsBehindCell(paintInfo, cellPoint, row, DisplayItem::TableCellBackgroundFromRow);
}
if ((!cell.hasSelfPaintingLayer() && !row->hasSelfPaintingLayer()))
cell.paint(paintInfo, cellPoint);
}