unsigned SVGPathSegList::getPathSegAtLength(float)
{
// FIXME : to be useful this will need to support non-normalized SVGPathSegLists
ExceptionCode ec = 0;
int len = numberOfItems();
// FIXME: Eventually this will likely move to a "path applier"-like model, until then PathTraversalState is less useful as we could just use locals
PathTraversalState traversalState(PathTraversalState::TraversalSegmentAtLength);
for (int i = 0; i < len; ++i) {
SVGPathSeg* segment = getItem(i, ec).get();
float segmentLength = 0;
switch (segment->pathSegType()) {
case SVGPathSeg::PATHSEG_MOVETO_ABS:
{
SVGPathSegMovetoAbs* moveTo = static_cast<SVGPathSegMovetoAbs*>(segment);
segmentLength = traversalState.moveTo(FloatPoint(moveTo->x(), moveTo->y()));
break;
}
case SVGPathSeg::PATHSEG_LINETO_ABS:
{
SVGPathSegLinetoAbs* lineTo = static_cast<SVGPathSegLinetoAbs*>(segment);
segmentLength = traversalState.lineTo(FloatPoint(lineTo->x(), lineTo->y()));
break;
}
case SVGPathSeg::PATHSEG_CURVETO_CUBIC_ABS:
{
SVGPathSegCurvetoCubicAbs* curveTo = static_cast<SVGPathSegCurvetoCubicAbs*>(segment);
segmentLength = traversalState.cubicBezierTo(FloatPoint(curveTo->x1(), curveTo->y1()),
FloatPoint(curveTo->x2(), curveTo->y2()),
FloatPoint(curveTo->x(), curveTo->y()));
break;
}
case SVGPathSeg::PATHSEG_CLOSEPATH:
segmentLength = traversalState.closeSubpath();
break;
default:
ASSERT(false); // FIXME: This only works with normalized/processed path data.
break;
}
traversalState.m_totalLength += segmentLength;
if ((traversalState.m_action == PathTraversalState::TraversalSegmentAtLength)
&& (traversalState.m_totalLength > traversalState.m_desiredLength)) {
return traversalState.m_segmentIndex;
}
traversalState.m_segmentIndex++;
}
return 0; // The SVG spec is unclear as to what to return when the distance is not on the path
}
Path SVGPathSegList::toPathData()
{
// FIXME : This should also support non-normalized PathSegLists
Path pathData;
ExceptionCode ec = 0;
int len = numberOfItems();
for (int i = 0; i < len; ++i) {
SVGPathSeg* segment = getItem(i, ec).get();;
switch (segment->pathSegType())
{
case SVGPathSeg::PATHSEG_MOVETO_ABS:
{
SVGPathSegMovetoAbs* moveTo = static_cast<SVGPathSegMovetoAbs*>(segment);
pathData.moveTo(FloatPoint(moveTo->x(), moveTo->y()));
break;
}
case SVGPathSeg::PATHSEG_LINETO_ABS:
{
SVGPathSegLinetoAbs* lineTo = static_cast<SVGPathSegLinetoAbs*>(segment);
pathData.addLineTo(FloatPoint(lineTo->x(), lineTo->y()));
break;
}
case SVGPathSeg::PATHSEG_CURVETO_CUBIC_ABS:
{
SVGPathSegCurvetoCubicAbs* curveTo = static_cast<SVGPathSegCurvetoCubicAbs*>(segment);
pathData.addBezierCurveTo(FloatPoint(curveTo->x1(), curveTo->y1()),
FloatPoint(curveTo->x2(), curveTo->y2()),
FloatPoint(curveTo->x(), curveTo->y()));
break;
}
case SVGPathSeg::PATHSEG_CLOSEPATH:
pathData.closeSubpath();
break;
default:
ASSERT(false); // FIXME: This only works with normalized/processed path data.
break;
}
}
return pathData;
}
JSValue* JSSVGPathSegCurvetoCubicAbs::getValueProperty(ExecState* exec, int token) const
{
switch (token) {
case XAttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
return jsNumber(imp->x());
}
case YAttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
return jsNumber(imp->y());
}
case X1AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
return jsNumber(imp->x1());
}
case Y1AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
return jsNumber(imp->y1());
}
case X2AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
return jsNumber(imp->x2());
}
case Y2AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
return jsNumber(imp->y2());
}
}
return 0;
}
void JSSVGPathSegCurvetoCubicAbs::putValueProperty(ExecState* exec, int token, JSValue* value, int /*attr*/)
{
switch (token) {
case XAttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
imp->setX(value->toFloat(exec));
break;
}
case YAttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
imp->setY(value->toFloat(exec));
break;
}
case X1AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
imp->setX1(value->toFloat(exec));
break;
}
case Y1AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
imp->setY1(value->toFloat(exec));
break;
}
case X2AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
imp->setX2(value->toFloat(exec));
break;
}
case Y2AttrNum: {
SVGPathSegCurvetoCubicAbs* imp = static_cast<SVGPathSegCurvetoCubicAbs*>(impl());
imp->setY2(value->toFloat(exec));
break;
}
}
if (context())
context()->notifyAttributeChange();
}
