/* nsIDOMSVGTransform createSVGTransformFromMatrix (in nsIDOMSVGMatrix matrix); */
NS_IMETHODIMP
nsSVGTransformList::CreateSVGTransformFromMatrix(nsIDOMSVGMatrix *matrix,
nsIDOMSVGTransform **_retval)
{
NS_ENSURE_NATIVE_MATRIX(matrix, _retval);
nsresult rv = NS_NewSVGTransform(_retval);
if (NS_FAILED(rv))
return rv;
(*_retval)->SetMatrix(matrix);
return NS_OK;
}
/* nsIDOMSVGTransform createSVGTransformFromMatrix (in nsIDOMSVGMatrix matrix); */
NS_IMETHODIMP
nsSVGTransformList::CreateSVGTransformFromMatrix(nsIDOMSVGMatrix *matrix,
nsIDOMSVGTransform **_retval)
{
if (!matrix)
return NS_ERROR_DOM_SVG_WRONG_TYPE_ERR;
nsresult rv = NS_NewSVGTransform(_retval);
if (NS_FAILED(rv))
return rv;
(*_retval)->SetMatrix(matrix);
return NS_OK;
}
nsresult
nsSVGTransformSMILAttr::UpdateFromSMILValue(
nsIDOMSVGTransformList* aTransformList, const nsSMILValue& aValue)
{
PRUint32 svgLength = -1;
aTransformList->GetNumberOfItems(&svgLength);
nsSVGTransformSMILType* type = &nsSVGTransformSMILType::sSingleton;
PRUint32 smilLength = type->GetNumTransforms(aValue);
nsresult rv = NS_OK;
for (PRUint32 i = 0; i < smilLength; i++) {
nsCOMPtr<nsIDOMSVGTransform> transform;
if (i < svgLength) {
// Get the transform to update
rv = aTransformList->GetItem(i, getter_AddRefs(transform));
NS_ENSURE_SUCCESS(rv,rv);
} else {
// Append another transform to the list
nsresult rv = NS_NewSVGTransform(getter_AddRefs(transform));
NS_ENSURE_SUCCESS(rv,rv);
nsCOMPtr<nsIDOMSVGTransform> result;
rv = aTransformList->AppendItem(transform, getter_AddRefs(result));
NS_ENSURE_SUCCESS(rv,rv);
}
// Set the value
const nsSVGSMILTransform* smilTransform = type->GetTransformAt(i, aValue);
rv = GetSVGTransformFromSMILValue(*smilTransform, transform);
NS_ENSURE_SUCCESS(rv,rv);
}
// Trim excess elements
while (svgLength > smilLength) {
nsCOMPtr<nsIDOMSVGTransform> removed;
rv = aTransformList->RemoveItem(--svgLength, getter_AddRefs(removed));
NS_ENSURE_SUCCESS(rv,rv);
}
return NS_OK;
}