//virtual
gm::RectD PSVGPolylineElement::GetScreenBBox()
{
SVGPolylineElement* psvgElement = static_cast<SVGPolylineElement*>(m_pNode);
/*
CComQIPtr<ILSVGTransformable> transformable = m_pNode;
CComPtr<ILSVGMatrix> matrix;
transformable->getScreenCTM(&matrix);
*/
gm::Matrix3d* matrix = GetScreenCTM();
//matrix = matrix * m_
LDraw::RectD bbox;
ASSERT(0);
//bbox = psvgElement->m_points->m_animated->m_animVal->m_value->CalculateBoundingBox(matrix->m_matrix);
return bbox;
}
wxSVGMatrix wxSVGLocatable::GetScreenCTM(const wxSVGElement* element) {
if (element == NULL || element->GetType() != wxSVGXML_ELEMENT_NODE)
return wxSVGMatrix();
wxSVGMatrix matrix;
if (element->GetParent())
matrix = GetScreenCTM((wxSVGElement*) (element->GetParent()));
else if (element->GetOwnerDocument())
matrix = ((wxSVGDocument*) element->GetOwnerDocument())->GetScreenCTM();
if (element->GetDtd() == wxSVG_SVG_ELEMENT) {
((wxSVGSVGElement*) element)->UpdateMatrix(matrix);
} else {
const wxSVGTransformable* transformable =
wxSVGTransformable::GetSVGTransformable(*element);
if (transformable)
transformable->UpdateMatrix(matrix);
}
return matrix;
}
/* nsIDOMSVGMatrix getTransformToElement (in nsIDOMSVGElement element); */
NS_IMETHODIMP nsSVGGraphicElement::GetTransformToElement(nsIDOMSVGElement *element, nsIDOMSVGMatrix **_retval)
{
if (!element)
return NS_ERROR_DOM_SVG_WRONG_TYPE_ERR;
nsresult rv;
*_retval = nsnull;
nsCOMPtr<nsIDOMSVGMatrix> ourScreenCTM;
nsCOMPtr<nsIDOMSVGMatrix> targetScreenCTM;
nsCOMPtr<nsIDOMSVGMatrix> tmp;
nsCOMPtr<nsIDOMSVGLocatable> target = do_QueryInterface(element, &rv);
if (NS_FAILED(rv)) return rv;
// the easiest way to do this (if likely to increase rounding error):
rv = GetScreenCTM(getter_AddRefs(ourScreenCTM));
if (NS_FAILED(rv)) return rv;
rv = target->GetScreenCTM(getter_AddRefs(targetScreenCTM));
if (NS_FAILED(rv)) return rv;
rv = targetScreenCTM->Inverse(getter_AddRefs(tmp));
if (NS_FAILED(rv)) return rv;
return tmp->Multiply(ourScreenCTM, _retval); // addrefs, so we don't
}
already_AddRefed<DOMSVGMatrix>
SVGLocatableElement::GetTransformToElement(nsSVGElement& aElement,
ErrorResult& rv)
{
nsCOMPtr<nsIDOMSVGLocatable> target = do_QueryInterface(&aElement);
if (!target) {
rv.Throw(NS_NOINTERFACE);
return nullptr;
}
// the easiest way to do this (if likely to increase rounding error):
nsCOMPtr<DOMSVGMatrix> ourScreenCTM = GetScreenCTM();
nsCOMPtr<DOMSVGMatrix> targetScreenCTM;
target->GetScreenCTM(getter_AddRefs(targetScreenCTM));
if (!ourScreenCTM || !targetScreenCTM) {
rv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
nsCOMPtr<DOMSVGMatrix> tmp = targetScreenCTM->Inverse(rv);
if (rv.Failed()) return nullptr;
nsCOMPtr<DOMSVGMatrix> mat = tmp->Multiply(*ourScreenCTM).get();
return mat.forget();
}
/* DOMSVGMatrix getScreenCTM (); */
NS_IMETHODIMP
SVGLocatableElement::GetScreenCTM(nsISupports * *aCTM)
{
*aCTM = GetScreenCTM().get();
return NS_OK;
}
