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);
}
static LayoutPoint cornerPointOfRect(LayoutRect rect, Corner whichCorner) {
switch (whichCorner) {
case Corner::TopLeft:
return rect.minXMinYCorner();
case Corner::TopRight:
return rect.maxXMinYCorner();
}
ASSERT_NOT_REACHED();
return LayoutPoint();
}
LayoutRect RenderSnapshottedPlugIn::tryToFitStartLabel(LabelSize size, const LayoutRect& contentBox) const
{
Image* labelImage = startLabelImage(size);
if (!labelImage)
return LayoutRect();
// Assume that the labelImage has been provided to match our device scale.
float scaleFactor = 1;
if (document()->page())
scaleFactor = document()->page()->deviceScaleFactor();
IntSize labelImageSize = labelImage->size();
labelImageSize.scale(1 / (scaleFactor ? scaleFactor : 1));
LayoutSize labelSize = labelImageSize - LayoutSize(2 * startLabelInset, 2 * startLabelInset);
LayoutRect candidateRect(contentBox.maxXMinYCorner() + LayoutSize(-startLabelPadding, startLabelPadding) + LayoutSize(-labelSize.width(), 0), labelSize);
// The minimum allowed content box size is the label image placed in the center of the box, surrounded by startLabelPadding.
if (candidateRect.x() < startLabelPadding || candidateRect.maxY() > contentBox.height() - startLabelPadding)
return LayoutRect();
return candidateRect;
}