void FillLayer::computeClipMax() const
{
if (m_next) {
m_next->computeClipMax();
m_clipMax = clipMax(clip(), m_next->clip());
} else
m_clipMax = m_clip;
}
void FillLayer::computeClipMax() const
{
Vector<const FillLayer*, 4> layers;
for (auto* layer = this; layer; layer = layer->m_next.get())
layers.append(layer);
EFillBox computedClipMax = TextFillBox;
for (unsigned i = layers.size(); i; --i) {
auto& layer = *layers[i - 1];
computedClipMax = clipMax(computedClipMax, layer.clip());
layer.m_clipMax = computedClipMax;
}
}
void FillLayer::computeCachedPropertiesIfNeeded() const
{
if (m_cachedPropertiesComputed)
return;
m_thisOrNextLayersClipMax = clip();
m_thisOrNextLayersUseContentBox = clip() == ContentFillBox || origin() == ContentFillBox;
m_thisOrNextLayersHaveLocalAttachment = attachment() == LocalBackgroundAttachment;
m_cachedPropertiesComputed = true;
if (m_next) {
m_next->computeCachedPropertiesIfNeeded();
m_thisOrNextLayersClipMax = clipMax(thisOrNextLayersClipMax(), m_next->thisOrNextLayersClipMax());
m_thisOrNextLayersUseContentBox |= m_next->m_thisOrNextLayersUseContentBox;
m_thisOrNextLayersHaveLocalAttachment |= m_next->m_thisOrNextLayersHaveLocalAttachment;
}
}
