void RasterShapeIntervals::uniteMarginInterval(int y, const IntShapeInterval& interval)
{
ASSERT(m_intervalLists[y].size() <= 1); // Each m_intervalLists entry has 0 or one interval.
if (m_intervalLists[y].isEmpty())
m_intervalLists[y].append(interval);
else {
IntShapeInterval& resultInterval = m_intervalLists[y][0];
resultInterval.set(std::min(resultInterval.x1(), interval.x1()), std::max(resultInterval.x2(), interval.x2()));
}
m_bounds.unite(IntRect(interval.x1(), y, interval.width(), 1));
}
void RasterShapeIntervals::buildBoundsPath(Path& path) const
{
int maxY = bounds().maxY();
for (int y = bounds().y(); y < maxY; y++) {
if (intervalAt(y).isEmpty())
continue;
IntShapeInterval extent = intervalAt(y);
int endY = y + 1;
for (; endY < maxY; endY++) {
if (intervalAt(endY).isEmpty() || intervalAt(endY) != extent)
break;
}
path.addRect(FloatRect(extent.x1(), y, extent.width(), endY - y));
y = endY - 1;
}
}