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Diffstat (limited to 'src/libavoid/junction.cpp')
| -rw-r--r-- | src/libavoid/junction.cpp | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/src/libavoid/junction.cpp b/src/libavoid/junction.cpp deleted file mode 100644 index a1918b4a3..000000000 --- a/src/libavoid/junction.cpp +++ /dev/null @@ -1,232 +0,0 @@ -/* - * vim: ts=4 sw=4 et tw=0 wm=0 - * - * libavoid - Fast, Incremental, Object-avoiding Line Router - * - * Copyright (C) 2010-2011 Monash University - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * See the file LICENSE.LGPL distributed with the library. - * - * Licensees holding a valid commercial license may use this file in - * accordance with the commercial license agreement provided with the - * library. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Author(s): Michael Wybrow -*/ - -#include <cstdlib> - -#include "libavoid/junction.h" -#include "libavoid/router.h" -#include "libavoid/connectionpin.h" -#include "libavoid/debug.h" - - -namespace Avoid { - - -JunctionRef::JunctionRef(Router *router, Point position, const unsigned int id) - : Obstacle(router, makeRectangle(router, position), id), - m_position(position), - m_recommended_position(position), - m_position_fixed(false) -{ - // For Junctions we use a single non-exclusive pin. - ShapeConnectionPin *pin = new Avoid::ShapeConnectionPin(this, - Avoid::CONNECTIONPIN_CENTRE, ConnDirAll); - pin->setExclusive(false); - m_connection_pins.insert(pin); - - m_router->addJunction(this); -} - -JunctionRef::~JunctionRef() -{ - if (m_router->m_currently_calling_destructors == false) - { - err_printf("ERROR: JunctionRef::~JunctionRef() shouldn't be called directly.\n"); - err_printf(" It is owned by the router. Call Router::deleteJunction() instead.\n"); - abort(); - } -} - - -Rectangle JunctionRef::makeRectangle(Router *router, const Point& position) -{ - COLA_ASSERT(router); - - // A suitably small value. - double nudgeDist = router->routingParameter(idealNudgingDistance); - nudgeDist = std::min(1.0, nudgeDist); - - Point low = position; - low.x -= nudgeDist; - low.y -= nudgeDist; - - Point high = position; - high.x += nudgeDist; - high.y += nudgeDist; - - return Rectangle(low, high); -} - - -void JunctionRef::setPositionFixed(bool fixed) -{ - m_position_fixed = fixed; - m_router->registerSettingsChange(); -} - - -bool JunctionRef::positionFixed(void) const -{ - return m_position_fixed; -} - - -void JunctionRef::preferOrthogonalDimension(const size_t dim) -{ - const double smallPenalty = 1.0; - for (ShapeConnectionPinSet::iterator curr = - m_connection_pins.begin(); curr != m_connection_pins.end(); ++curr) - { - ShapeConnectionPin *pin = *curr; - if (dim == YDIM) - { - if (pin->directions() & (ConnDirLeft | ConnDirRight)) - { - pin->setConnectionCost(smallPenalty); - } - } - else if (dim == XDIM) - { - if (pin->directions() & (ConnDirUp | ConnDirDown)) - { - pin->setConnectionCost(smallPenalty); - } - } - } -} - - -Point JunctionRef::position(void) const -{ - return m_position; -} - - -void JunctionRef::setPosition(const Point& position) -{ - m_position = position; - m_recommended_position = position; - m_polygon = makeRectangle(m_router, m_position); - setNewPoly(m_polygon); -} - - -Point JunctionRef::recommendedPosition(void) const -{ - return m_recommended_position; -} - - -void JunctionRef::setRecommendedPosition(const Point& position) -{ - m_recommended_position = position; -} - - -void JunctionRef::outputCode(FILE *fp) const -{ - fprintf(fp, " JunctionRef *junctionRef%u = new JunctionRef(router, " - "Point(%g, %g), %u);\n", id(), position().x, position().y, id()); - if (m_position_fixed) - { - fprintf(fp, " junctionRef%u->setPositionFixed(true);\n", id()); - } - - fprintf(fp, " /*\n"); - fprintf(fp, " // This may be useful if junction pins are modified.\n"); - for (ShapeConnectionPinSet::const_iterator curr = - m_connection_pins.begin(); - curr != m_connection_pins.end(); ++curr) - { - (*curr)->outputCode(fp); - } - fprintf(fp, " */\n"); - fprintf(fp, "\n"); -} - - -void JunctionRef::moveAttachedConns(const Point& newPosition) -{ - // Update positions of attached connector ends. - for (std::set<ConnEnd *>::iterator curr = m_following_conns.begin(); - curr != m_following_conns.end(); ++curr) - { - ConnEnd *connEnd = *curr; - COLA_ASSERT(connEnd->m_conn_ref != NULL); - m_router->modifyConnector(connEnd->m_conn_ref, connEnd->endpointType(), - *connEnd); - } - for (ShapeConnectionPinSet::iterator curr = - m_connection_pins.begin(); curr != m_connection_pins.end(); ++curr) - { - ShapeConnectionPin *pin = *curr; - pin->updatePosition(newPosition); - } -} - - -ConnRef *JunctionRef::removeJunctionAndMergeConnectors(void) -{ - if (m_following_conns.size() != 2) - { - return NULL; - } - - std::set<ConnEnd *>::iterator curr = m_following_conns.begin(); - ConnEnd *connEnd1 = *curr; - ++curr; - ConnEnd *connEnd2 = *curr; - COLA_ASSERT(connEnd2->m_conn_ref != NULL); - COLA_ASSERT(connEnd1->m_conn_ref != NULL); - - // The second conn will be the one we will delete. - ConnRef *conn2 = connEnd2->m_conn_ref; - // Determine its endpoint that is not attached to the junction. - ConnEnd *connEnd2Other = (conn2->m_src_connend == connEnd2) ? - conn2->m_dst_connend : conn2->m_src_connend; - if (connEnd2Other == NULL) - { - // If it doesn't have a valid other endpoint, then ignore. - return NULL; - } - // Modify the first connector's junction endpoint to connect to the - // other end of the second connector. - m_router->modifyConnector(connEnd1->m_conn_ref, - connEnd1->endpointType(), *connEnd2Other); - - // Delete the second connector. - m_router->deleteConnector(conn2); - - // Remove the junction from the router scene. It should get deleted later. - m_router->deleteJunction(this); - - // Return the first (i.e. merged) connector. - return connEnd1->m_conn_ref; -} - - -//============================================================================ -} - - |