bool RoundedRect::intersectsQuad(const FloatQuad& quad) const {
FloatRect rect(m_rect);
if (!quad.intersectsRect(rect))
return false;
const IntSize& topLeft = m_radii.topLeft();
if (!topLeft.isEmpty()) {
FloatRect rect(m_rect.x(), m_rect.y(), topLeft.width(), topLeft.height());
if (quad.intersectsRect(rect)) {
FloatPoint center(m_rect.x() + topLeft.width(),
m_rect.y() + topLeft.height());
FloatSize size(topLeft.width(), topLeft.height());
if (!quad.intersectsEllipse(center, size))
return false;
}
}
const IntSize& topRight = m_radii.topRight();
if (!topRight.isEmpty()) {
FloatRect rect(m_rect.maxX() - topRight.width(), m_rect.y(),
topRight.width(), topRight.height());
if (quad.intersectsRect(rect)) {
FloatPoint center(m_rect.maxX() - topRight.width(),
m_rect.y() + topRight.height());
FloatSize size(topRight.width(), topRight.height());
if (!quad.intersectsEllipse(center, size))
return false;
}
}
const IntSize& bottomLeft = m_radii.bottomLeft();
if (!bottomLeft.isEmpty()) {
FloatRect rect(m_rect.x(), m_rect.maxY() - bottomLeft.height(),
bottomLeft.width(), bottomLeft.height());
if (quad.intersectsRect(rect)) {
FloatPoint center(m_rect.x() + bottomLeft.width(),
m_rect.maxY() - bottomLeft.height());
FloatSize size(bottomLeft.width(), bottomLeft.height());
if (!quad.intersectsEllipse(center, size))
return false;
}
}
const IntSize& bottomRight = m_radii.bottomRight();
if (!bottomRight.isEmpty()) {
FloatRect rect(m_rect.maxX() - bottomRight.width(),
m_rect.maxY() - bottomRight.height(), bottomRight.width(),
bottomRight.height());
if (quad.intersectsRect(rect)) {
FloatPoint center(m_rect.maxX() - bottomRight.width(),
m_rect.maxY() - bottomRight.height());
FloatSize size(bottomRight.width(), bottomRight.height());
if (!quad.intersectsEllipse(center, size))
return false;
}
}
return true;
}
