bool
PathCG::StrokeContainsPoint(const StrokeOptions &aStrokeOptions,
const Point &aPoint,
const Matrix &aTransform) const
{
Matrix inverse = aTransform;
inverse.Invert();
Point transformedPoint = inverse*aPoint;
// We could probably drop the input transform and just transform the point at the caller?
CGPoint point = {transformedPoint.x, transformedPoint.y};
CGContextRef cg = ScratchContext();
CGContextSaveGState(cg);
CGContextBeginPath(cg);
CGContextAddPath(cg, mPath);
SetStrokeOptions(cg, aStrokeOptions);
CGContextReplacePathWithStrokedPath(cg);
CGContextRestoreGState(cg);
CGPathRef sPath = CGContextCopyPath(cg);
bool inStroke = CGPathContainsPoint(sPath, nullptr, point, false);
CGPathRelease(sPath);
return inStroke;
}
bool Path::contains(const FloatPoint &point, WindRule rule) const
{
if (!boundingRect().contains(point))
return false;
// CGPathContainsPoint returns false for non-closed paths, as a work-around, we copy and close the path first. Radar 4758998 asks for a better CG API to use
RetainPtr<CGMutablePathRef> path(AdoptCF, copyCGPathClosingSubpaths(m_path));
bool ret = CGPathContainsPoint(path.get(), 0, point, rule == RULE_EVENODD ? true : false);
return ret;
}
bool
PathCG::ContainsPoint(const Point &aPoint, const Matrix &aTransform) const
{
Matrix inverse = aTransform;
inverse.Invert();
Point transformedPoint = inverse*aPoint;
// We could probably drop the input transform and just transform the point at the caller?
CGPoint point = {transformedPoint.x, transformedPoint.y};
// The transform parameter of CGPathContainsPoint doesn't seem to work properly on OS X 10.5
// so we transform aPoint ourselves.
return CGPathContainsPoint(mPath, nullptr, point, mFillRule == FillRule::FILL_EVEN_ODD);
}
