void RenderedPosition::positionInGraphicsLayerBacking(CompositedSelectionBound& bound) const
{
bound.layer = nullptr;
bound.edgeTopInLayer = bound.edgeBottomInLayer = FloatPoint();
if (isNull())
return;
LayoutRect rect = m_layoutObject->localCaretRect(m_inlineBox, m_offset);
DeprecatedPaintLayer* layer = nullptr;
bound.edgeTopInLayer = m_layoutObject->localToInvalidationBackingPoint(rect.minXMinYCorner(), &layer);
bound.edgeBottomInLayer = m_layoutObject->localToInvalidationBackingPoint(rect.minXMaxYCorner(), nullptr);
bound.layer = layer ? layer->graphicsLayerBacking() : nullptr;
}
void MultiColumnFragmentainerGroup::columnIntervalForVisualRect(const LayoutRect& rect, unsigned& firstColumn, unsigned& lastColumn) const
{
bool isColumnProgressionInline = m_columnSet.multiColumnFlowThread()->progressionIsInline();
bool isFlippedColumnProgression = !m_columnSet.style()->isLeftToRightDirection() && isColumnProgressionInline;
if (m_columnSet.isHorizontalWritingMode() == isColumnProgressionInline) {
if (isFlippedColumnProgression) {
firstColumn = columnIndexAtVisualPoint(rect.maxXMinYCorner());
lastColumn = columnIndexAtVisualPoint(rect.minXMinYCorner());
} else {
firstColumn = columnIndexAtVisualPoint(rect.minXMinYCorner());
lastColumn = columnIndexAtVisualPoint(rect.maxXMinYCorner());
}
} else {
if (isFlippedColumnProgression) {
firstColumn = columnIndexAtVisualPoint(rect.minXMaxYCorner());
lastColumn = columnIndexAtVisualPoint(rect.minXMinYCorner());
} else {
firstColumn = columnIndexAtVisualPoint(rect.minXMinYCorner());
lastColumn = columnIndexAtVisualPoint(rect.minXMaxYCorner());
}
}
ASSERT(firstColumn <= lastColumn);
}