placement.h

/*
 * Copyright 2016 Ophidian
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
 */

#ifndef SRC_PLACEMENT_PLACEMENT_H_
#define SRC_PLACEMENT_PLACEMENT_H_

#include "../netlist/netlist.h"
#include "library.h"
#include "cells.h"

namespace ophidian {
namespace placement {

class placement {
    netlist::netlist * m_netlist;
    library * m_library;
    cells m_cells;
public:

    placement(netlist::netlist * netlist, library * lib);
    virtual ~placement();

    geometry::multi_polygon<geometry::polygon<geometry::point<double> > > cell_geometry(
            entity_system::entity cell) const {
        auto position = cell_position(cell);
        auto lib_geometry = m_library->geometry(m_netlist->cell_std_cell(cell));
        geometry::multi_polygon<geometry::polygon<geometry::point<double> > > translated;
        geometry::translate(lib_geometry, position, translated);
        return translated;
    }

    void cell_position(entity_system::entity cell,
            geometry::point<double> position);

    geometry::point<double> cell_position(entity_system::entity cell) const {
        return m_cells.position(cell);
    }
    void cell_fixed(entity_system::entity cell, bool fixed);
    bool cell_fixed(entity_system::entity cell) const {
        return m_cells.fixed(cell);
    }
    geometry::point<double> cell_dimensions(entity_system::entity cell) const {
        auto geometry = cell_geometry(cell);
        geometry::box<geometry::point<double>> cell_box;
        boost::geometry::envelope(geometry, cell_box);
        geometry::point<double> dimensions(cell_box.max_corner().x() - cell_box.min_corner().x(), cell_box.max_corner().y() - cell_box.min_corner().y());
        return dimensions;
    }

    entity_system::entity cell_create(std::string name, std::string type);

    const cells & cell_properties() { return m_cells; };


    geometry::point<double> pin_position(entity_system::entity pin) const {
        entity_system::entity owner = m_netlist->pin_owner(pin);
        entity_system::entity std_cell_pin = m_netlist->pin_std_cell(pin);

        geometry::point<double> position = m_library->pin_offset(std_cell_pin);
        if(!(owner == entity_system::invalid_entity))
        {
            auto owner_position = m_cells.position(owner);
            position.x( position.x() + owner_position.x() );
            position.y( position.y() + owner_position.y() );
        }
        return position;
    }


    void pad_position(entity_system::entity pad, geometry::point<double> position);



    const netlist::netlist& netlist() const
    {
        return *m_netlist;
    }


    const library& lib() const {
        return *m_library;
    }
};

} /* namespace placement */
} /* namespace ophidian */

#endif /* SRC_PLACEMENT_PLACEMENT_H_ */