bool RenderSVGShape::strokeContains(const FloatPoint& point, bool requiresStroke)
{
if (!strokeBoundingBox().contains(point))
return false;
Color fallbackColor;
if (requiresStroke && !RenderSVGResource::strokePaintingResource(this, style(), fallbackColor))
return false;
const SVGRenderStyle* svgStyle = style()->svgStyle();
for (size_t i = 0; i < m_zeroLengthLinecapLocations.size(); ++i) {
ASSERT(style()->svgStyle()->hasStroke());
float strokeWidth = this->strokeWidth();
if (style()->svgStyle()->capStyle() == SquareCap) {
if (zeroLengthSubpathRect(m_zeroLengthLinecapLocations[i], strokeWidth).contains(point))
return true;
} else {
ASSERT(style()->svgStyle()->capStyle() == RoundCap);
FloatPoint radiusVector(point.x() - m_zeroLengthLinecapLocations[i].x(), point.y() - m_zeroLengthLinecapLocations[i].y());
if (radiusVector.lengthSquared() < strokeWidth * strokeWidth * .25f)
return true;
}
}
if (!svgStyle->strokeDashArray().isEmpty() || svgStyle->strokeMiterLimit() != svgStyle->initialStrokeMiterLimit()
|| svgStyle->joinStyle() != svgStyle->initialJoinStyle() || svgStyle->capStyle() != svgStyle->initialCapStyle()) {
if (!m_path)
RenderSVGShape::createShape();
return RenderSVGShape::shapeDependentStrokeContains(point);
}
return shapeDependentStrokeContains(point);
}
FloatRect RenderSVGPath::calculateUpdatedStrokeBoundingBox() const
{
FloatRect strokeBoundingBox = m_strokeBoundingBox;
if (style().svgStyle().hasStroke()) {
// FIXME: zero-length subpaths do not respect vector-effect = non-scaling-stroke.
float strokeWidth = this->strokeWidth();
for (size_t i = 0; i < m_zeroLengthLinecapLocations.size(); ++i)
strokeBoundingBox.unite(zeroLengthSubpathRect(m_zeroLengthLinecapLocations[i], strokeWidth));
}
return strokeBoundingBox;
}
bool RenderSVGPath::shapeDependentStrokeContains(const FloatPoint& point)
{
if (RenderSVGShape::shapeDependentStrokeContains(point))
return true;
const SVGRenderStyle& svgStyle = style().svgStyle();
for (size_t i = 0; i < m_zeroLengthLinecapLocations.size(); ++i) {
ASSERT(svgStyle.hasStroke());
float strokeWidth = this->strokeWidth();
if (svgStyle.capStyle() == SquareCap) {
if (zeroLengthSubpathRect(m_zeroLengthLinecapLocations[i], strokeWidth).contains(point))
return true;
} else {
ASSERT(svgStyle.capStyle() == RoundCap);
FloatPoint radiusVector(point.x() - m_zeroLengthLinecapLocations[i].x(), point.y() - m_zeroLengthLinecapLocations[i].y());
if (radiusVector.lengthSquared() < strokeWidth * strokeWidth * .25f)
return true;
}
}
return false;
}
