本文整理汇总了C++中SegmentList::first方法的典型用法代码示例。如果您正苦于以下问题：C++ SegmentList::first方法的具体用法？C++ SegmentList::first怎么用？C++ SegmentList::first使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SegmentList的用法示例。
在下文中一共展示了SegmentList::first方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: updateDeltasForContainingBlockLine
void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow& containingBlock, const FloatingObject& floatingObject, LayoutUnit lineTop, LayoutUnit lineHeight)
{
LayoutUnit borderBoxTop = containingBlock.logicalTopForFloat(&floatingObject) + containingBlock.marginBeforeForChild(&m_renderer);
LayoutUnit borderBoxLineTop = lineTop - borderBoxTop;
if (isShapeDirty() || m_borderBoxLineTop != borderBoxLineTop || m_lineHeight != lineHeight) {
m_borderBoxLineTop = borderBoxLineTop;
m_referenceBoxLineTop = borderBoxLineTop - logicalTopOffset();
m_lineHeight = lineHeight;
LayoutUnit floatMarginBoxWidth = containingBlock.logicalWidthForFloat(&floatingObject);
if (lineOverlapsShapeBounds()) {
SegmentList segments = computeSegmentsForLine(borderBoxLineTop, lineHeight);
if (segments.size()) {
LayoutUnit logicalLeftMargin = containingBlock.style()->isLeftToRightDirection() ? containingBlock.marginStartForChild(&m_renderer) : containingBlock.marginEndForChild(&m_renderer);
LayoutUnit rawLeftMarginBoxDelta = segments.first().logicalLeft + logicalLeftMargin;
m_leftMarginBoxDelta = clampToLayoutUnit(rawLeftMarginBoxDelta, LayoutUnit(), floatMarginBoxWidth);
LayoutUnit logicalRightMargin = containingBlock.style()->isLeftToRightDirection() ? containingBlock.marginEndForChild(&m_renderer) : containingBlock.marginStartForChild(&m_renderer);
LayoutUnit rawRightMarginBoxDelta = segments.last().logicalRight - containingBlock.logicalWidthForChild(&m_renderer) - logicalRightMargin;
m_rightMarginBoxDelta = clampToLayoutUnit(rawRightMarginBoxDelta, -floatMarginBoxWidth, LayoutUnit());
m_lineOverlapsShape = true;
return;
}
}
// Lines that do not overlap the shape should act as if the float
// wasn't there for layout purposes. So we set the deltas to remove the
// entire width of the float.
m_leftMarginBoxDelta = floatMarginBoxWidth;
m_rightMarginBoxDelta = -floatMarginBoxWidth;
m_lineOverlapsShape = false;
}
}