void CXTPFlowGraphPaintManager::RecalcConnectionLayout(CXTPFlowGraphDrawContext* /*pDC*/, CXTPFlowGraphConnection* pConnection) { CXTPFlowGraphConnectionPoint* pFrom = pConnection->GetOutputPoint(); CXTPFlowGraphConnectionPoint* pTo = pConnection->GetInputPoint(); if (pFrom == NULL) return; CPoint ptFrom, ptTo; ptFrom = pFrom->GetNode()->GetLocation(); ptFrom.x += pFrom->GetNode()->GetSize().cx; ptFrom.y += pFrom->m_rcPoint.CenterPoint().y; if (pTo != NULL) { ptTo = pTo->GetNode()->GetLocation(); ptTo.y += pTo->m_rcPoint.CenterPoint().y; if (pTo->GetType() == xtpFlowGraphPointInputAndOutput) { if (ptFrom.x > ptTo.x) ptTo.x += pTo->GetNode()->GetSize().cx; } pConnection->m_ptInputPoint = ptTo; } else { ptTo = pConnection->m_ptInputPoint; } if (pFrom->GetType() == xtpFlowGraphPointInputAndOutput) { if (ptTo.x < ptFrom.x - pFrom->GetNode()->GetSize().cx / 2) ptFrom.x -= pFrom->GetNode()->GetSize().cx; } pConnection->m_ptOutputPoint = ptFrom; GraphicsPath* path = new GraphicsPath(); XTPFlowGraphConnectorType type = pConnection->GetStyle() == -1 ? m_nConnectorType : (XTPFlowGraphConnectorType)pConnection->GetStyle(); CPoint ptControlPoint = pConnection->GetControlPoint(); if (type == xtpFlowGraphConnectorStraight) { if (ptControlPoint != CPoint(-1, -1)) { Point pts[] = {Point(ptFrom.x, ptFrom.y), Point(ptControlPoint.x, ptControlPoint.y), Point(ptTo.x, ptTo.y) }; path->AddLines(pts, 3); } else { path->AddLine(ptFrom.x, ptFrom.y, ptTo.x, ptTo.y); } } else { if (ptControlPoint != CPoint(-1, -1)) { /*PointF pt[3] = {PointF((REAL)ptFrom.x, (REAL)ptFrom.y), PointF((REAL)pConnection->GetControlPoint().x, (REAL)pConnection->GetControlPoint().y), PointF((REAL)ptTo.x, (REAL)ptTo.y) }; path->AddCurve(pt, 3);*/ PointF pt2[4] = {PointF((REAL)ptFrom.x, (REAL)ptFrom.y), PointF((REAL)ptControlPoint.x, (REAL)ptFrom.y), PointF((REAL)ptControlPoint.x, (REAL)ptTo.y), PointF((REAL)ptTo.x, (REAL)ptTo.y) }; path->AddBeziers(pt2, 4); } else { PointF pt[4] = {PointF((REAL)ptFrom.x, (REAL)ptFrom.y), PointF((REAL)(ptFrom.x + ptTo.x) / 2, (REAL)ptFrom.y), PointF(REAL(ptFrom.x + ptTo.x) / 2, (REAL)ptTo.y), PointF((REAL)ptTo.x, (REAL)ptTo.y) }; path->AddBeziers(pt, 4); } } SAFE_DELETE(pConnection->m_pPath); pConnection->m_pPath = path; }