void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat) { LayoutUnit height = m_block.logicalHeight(); if (height < m_block.logicalTopForFloat(newFloat) || height >= m_block.logicalBottomForFloat(newFloat)) return; #if ENABLE(CSS_SHAPES) // When floats with shape outside are stacked, the floats are positioned based on the margin box of the float, // not the shape's contour. Since we computed the width based on the shape contour when we added the float, // when we add a subsequent float on the same line, we need to undo the shape delta in order to position // based on the margin box. In order to do this, we need to walk back through the floating object list to find // the first previous float that is on the same side as our newFloat. ShapeOutsideInfo* previousShapeOutsideInfo = 0; const FloatingObjectSet& floatingObjectSet = m_block.m_floatingObjects->set(); auto it = floatingObjectSet.end(); auto begin = floatingObjectSet.begin(); LayoutUnit lineHeight = m_block.lineHeight(m_isFirstLine, m_block.isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes); for (--it; it != begin; --it) { FloatingObject* previousFloat = it->get(); if (previousFloat != newFloat && previousFloat->type() == newFloat->type()) { previousShapeOutsideInfo = previousFloat->renderer().shapeOutsideInfo(); if (previousShapeOutsideInfo) previousShapeOutsideInfo->updateDeltasForContainingBlockLine(&m_block, previousFloat, m_block.logicalHeight(), lineHeight); break; } } ShapeOutsideInfo* shapeOutsideInfo = newFloat->renderer().shapeOutsideInfo(); if (shapeOutsideInfo) shapeOutsideInfo->updateDeltasForContainingBlockLine(&m_block, newFloat, m_block.logicalHeight(), lineHeight); #endif if (newFloat->type() == FloatingObject::FloatLeft) { float newLeft = m_block.logicalRightForFloat(newFloat); #if ENABLE(CSS_SHAPES) if (previousShapeOutsideInfo) newLeft -= previousShapeOutsideInfo->rightMarginBoxDelta(); if (shapeOutsideInfo) newLeft += shapeOutsideInfo->rightMarginBoxDelta(); #endif if (shouldIndentText() && m_block.style()->isLeftToRightDirection()) newLeft += floorToInt(m_block.textIndentOffset()); m_left = std::max<float>(m_left, newLeft); } else { float newRight = m_block.logicalLeftForFloat(newFloat); #if ENABLE(CSS_SHAPES) if (previousShapeOutsideInfo) newRight -= previousShapeOutsideInfo->leftMarginBoxDelta(); if (shapeOutsideInfo) newRight += shapeOutsideInfo->leftMarginBoxDelta(); #endif if (shouldIndentText() && !m_block.style()->isLeftToRightDirection()) newRight -= floorToInt(m_block.textIndentOffset()); m_right = std::min<float>(m_right, newRight); } computeAvailableWidthFromLeftAndRight(); }
void LineWidth::shrinkAvailableWidthForNewFloatIfNeeded(FloatingObject* newFloat) { LayoutUnit height = m_block.logicalHeight(); if (height < m_block.logicalTopForFloat(newFloat) || height >= m_block.logicalBottomForFloat(newFloat)) return; ShapeOutsideInfo* shapeOutsideInfo = newFloat->renderer()->shapeOutsideInfo(); if (shapeOutsideInfo) { LayoutUnit lineHeight = m_block.lineHeight(m_isFirstLine, m_block.isHorizontalWritingMode() ? HorizontalLine : VerticalLine, PositionOfInteriorLineBoxes); shapeOutsideInfo->updateDeltasForContainingBlockLine(m_block, *newFloat, m_block.logicalHeight(), lineHeight); } if (newFloat->type() == FloatingObject::FloatLeft) { float newLeft = m_block.logicalRightForFloat(newFloat).toFloat(); if (shapeOutsideInfo) { if (shapeOutsideInfo->lineOverlapsShape()) newLeft += shapeOutsideInfo->rightMarginBoxDelta(); else // Per the CSS Shapes spec, If the line doesn't overlap the shape, then ignore this shape for this line. newLeft = m_left; } if (shouldIndentText() && m_block.style()->isLeftToRightDirection()) newLeft += floorToInt(m_block.textIndentOffset()); m_left = std::max<float>(m_left, newLeft); } else { float newRight = m_block.logicalLeftForFloat(newFloat).toFloat(); if (shapeOutsideInfo) { if (shapeOutsideInfo->lineOverlapsShape()) newRight += shapeOutsideInfo->leftMarginBoxDelta(); else // Per the CSS Shapes spec, If the line doesn't overlap the shape, then ignore this shape for this line. newRight = m_right; } if (shouldIndentText() && !m_block.style()->isLeftToRightDirection()) newRight -= floorToInt(m_block.textIndentOffset()); m_right = std::min<float>(m_right, newRight); } computeAvailableWidthFromLeftAndRight(); }