void RenderMathMLSubSup::stretchToHeight(int height)
{
RenderObject* base = firstChild();
if (!base)
return;
if (base->isRenderMathMLBlock()) {
RenderMathMLBlock* block = toRenderMathMLBlock(base);
block->stretchToHeight(static_cast<int>(gSubSupStretch * height));
}
if (height > 0 && m_kind == SubSup && m_scripts) {
RenderObject* script = m_scripts->firstChild();
if (script) {
// Calculate the script height without the container margins.
RenderObject* top = script;
int topHeight = getBoxModelObjectHeight(top->firstChild());
int topAdjust = topHeight / gTopAdjustDivisor;
top->style()->setMarginTop(Length(-topAdjust, Fixed));
top->style()->setMarginBottom(Length(height - topHeight + topAdjust, Fixed));
if (top->isBoxModelObject()) {
RenderBoxModelObject* topBox = toRenderBoxModelObject(top);
topBox->updateBoxModelInfoFromStyle();
}
m_scripts->setNeedsLayoutAndPrefWidthsRecalc();
m_scripts->markContainingBlocksForLayout();
}
}
updateBoxModelInfoFromStyle();
setNeedsLayoutAndPrefWidthsRecalc();
markContainingBlocksForLayout();
}
