LayoutRect enclosingLayoutRect(const FloatRect& rect)
{
LayoutPoint location = flooredLayoutPoint(rect.minXMinYCorner());
LayoutPoint maxPoint = ceiledLayoutPoint(rect.maxXMaxYCorner());
return LayoutRect(location, maxPoint - location);
}
HitTestLocation::HitTestLocation(const FloatPoint& point, const FloatQuad& quad)
: m_transformedPoint(point)
, m_transformedRect(quad)
, m_isRectBased(true)
{
m_point = flooredLayoutPoint(point);
m_boundingBox = enclosingIntRect(quad.boundingBox());
m_isRectilinear = quad.isRectilinear();
}
HitTestLocation::HitTestLocation(const FloatPoint& point)
: m_point(flooredLayoutPoint(point))
, m_boundingBox(rectForPoint(m_point, 0, 0, 0, 0))
, m_transformedPoint(point)
, m_transformedRect(m_boundingBox)
, m_isRectBased(false)
, m_isRectilinear(true)
{
}
LayoutRect enclosingLayoutRect(const FloatRect& rect)
{
#if ENABLE(SUBPIXEL_LAYOUT)
LayoutPoint location = flooredLayoutPoint(rect.minXMinYCorner());
LayoutPoint maxPoint = ceiledLayoutPoint(rect.maxXMaxYCorner());
return LayoutRect(location, maxPoint - location);
#else
return enclosingIntRect(rect);
#endif
}
static bool hasNonEmptyBox(RenderBoxModelObject* renderer)
{
if (!renderer)
return false;
// Before calling absoluteRects, check for the common case where borderBoundingBox
// is non-empty, since this is a faster check and almost always returns true.
// FIXME: Why do we need to call absoluteRects at all?
if (!renderer->borderBoundingBox().isEmpty())
return true;
// FIXME: Since all we are checking is whether the rects are empty, could we just
// pass in 0,0 for the layout point instead of calling localToAbsolute?
Vector<IntRect> rects;
renderer->absoluteRects(rects, flooredLayoutPoint(renderer->localToAbsolute()));
size_t size = rects.size();
for (size_t i = 0; i < size; ++i) {
if (!rects[i].isEmpty())
return true;
}
return false;
}
