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;
}
}
void ShapeOutsideInfo::updateDeltasForContainingBlockLine(const RenderBlockFlow* containingBlock, const FloatingObject* floatingObject, LayoutUnit lineTop, LayoutUnit lineHeight)
{
LayoutUnit shapeTop = containingBlock->logicalTopForFloat(floatingObject) + std::max(LayoutUnit(), containingBlock->marginBeforeForChild(*m_renderer));
LayoutUnit lineTopInShapeCoordinates = lineTop - shapeTop + logicalTopOffset();
if (shapeSizeDirty() || m_lineTop != lineTopInShapeCoordinates || m_lineHeight != lineHeight) {
m_lineTop = lineTopInShapeCoordinates;
m_shapeLineTop = lineTopInShapeCoordinates - logicalTopOffset();
m_lineHeight = lineHeight;
LayoutUnit floatMarginBoxWidth = containingBlock->logicalWidthForFloat(floatingObject);
if (lineOverlapsShapeBounds()) {
SegmentList segments = computeSegmentsForLine(lineTopInShapeCoordinates, lineHeight);
if (segments.size()) {
LayoutUnit rawLeftMarginBoxDelta = segments.first().logicalLeft + containingBlock->marginStartForChild(*m_renderer);
m_leftMarginBoxDelta = clampTo<LayoutUnit>(rawLeftMarginBoxDelta, LayoutUnit(), floatMarginBoxWidth);
LayoutUnit rawRightMarginBoxDelta = segments.last().logicalRight - containingBlock->logicalWidthForChild(*m_renderer) - containingBlock->marginEndForChild(*m_renderer);
m_rightMarginBoxDelta = clampTo<LayoutUnit>(rawRightMarginBoxDelta, -floatMarginBoxWidth, LayoutUnit());
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.
// FIXME: The latest CSS Shapes spec says that in this case, the
// content should interact with previously stacked floats on the line
// as if this outermost float did not exist. Perhaps obviously, this
// solution cannot do that, and will be revisted with bug 122576.
m_leftMarginBoxDelta = floatMarginBoxWidth;
m_rightMarginBoxDelta = -floatMarginBoxWidth;
}
}