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);
}
Example #2
0
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();
}
Example #3
0
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;
}