-PortMatrixNode::State
-PortMatrixGrid::bundle_to_bundle_state (boost::shared_ptr<ARDOUR::Bundle> a, boost::shared_ptr<ARDOUR::Bundle> b) const
-{
- bool have_unknown = false;
- bool have_off_diagonal_association = false;
- bool have_diagonal_association = false;
- bool have_diagonal_not_association = false;
-
- for (uint32_t i = 0; i < a->nchannels (); ++i) {
-
- for (uint32_t j = 0; j < b->nchannels (); ++j) {
-
- ARDOUR::BundleChannel c[2];
- c[_matrix->column_index()] = ARDOUR::BundleChannel (a, i);
- c[_matrix->row_index()] = ARDOUR::BundleChannel (b, j);
-
- PortMatrixNode::State const s = _matrix->get_state (c);
-
- switch (s) {
- case PortMatrixNode::ASSOCIATED:
- if (i == j) {
- have_diagonal_association = true;
- } else {
- have_off_diagonal_association = true;
- }
- break;
-
- case PortMatrixNode::UNKNOWN:
- have_unknown = true;
- break;
-
- case PortMatrixNode::NOT_ASSOCIATED:
- if (i == j) {
- have_diagonal_not_association = true;
- }
- break;
-
- default:
- break;
- }
- }
- }
-
- if (have_unknown) {
- return PortMatrixNode::UNKNOWN;
- } else if (have_diagonal_association && !have_off_diagonal_association && !have_diagonal_not_association) {
- return PortMatrixNode::ASSOCIATED;
- } else if (!have_diagonal_association && !have_off_diagonal_association) {
- return PortMatrixNode::NOT_ASSOCIATED;
- }
-
- return PortMatrixNode::PARTIAL;
-}
-