C++ (Cpp) LayoutRect::minXMaxYCorner示例

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;
}

示例#2

显示文件

文件： MultiColumnFragmentainerGroup.cpp 项目： astojilj/chromium-crosswalk

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);
}