klayout/src/db/dbLayerMapping.cc

145 lines
4.1 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2017 Matthias Koefferlein
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "dbLayout.h"
#include "dbLayerMapping.h"
namespace db
{
// -------------------------------------------------------------------------------------
// LayerMapping implementation
LayerMapping::LayerMapping ()
{
// .. nothing yet ..
}
void LayerMapping::clear ()
{
m_b2a_mapping.clear ();
}
void
LayerMapping::create (const db::Layout &layout_a, const db::Layout &layout_b)
{
clear ();
if (&layout_a == &layout_b) {
for (db::Layout::layer_iterator la = layout_a.begin_layers (); la != layout_a.end_layers (); ++la) {
m_b2a_mapping.insert (std::make_pair ((*la).first, (*la).first));
}
} else {
std::map<db::LayerProperties, unsigned int, db::LPLogicalLessFunc> layers;
for (db::Layout::layer_iterator la = layout_a.begin_layers (); la != layout_a.end_layers (); ++la) {
if (! (*la).second->is_null ()) {
layers.insert (std::make_pair (*(*la).second, (*la).first));
}
}
for (db::Layout::layer_iterator lb = layout_b.begin_layers (); lb != layout_b.end_layers (); ++lb) {
if (! (*lb).second->is_null ()) {
std::map<db::LayerProperties, unsigned int, db::LPLogicalLessFunc>::const_iterator l = layers.find (*(*lb).second);
if (l != layers.end ()) {
m_b2a_mapping.insert (std::make_pair ((*lb).first, l->second));
}
}
}
}
}
std::vector<unsigned int>
LayerMapping::create_full (db::Layout &layout_a, const db::Layout &layout_b)
{
clear ();
std::vector<unsigned int> new_layers;
if (&layout_a == &layout_b) {
for (db::Layout::layer_iterator la = layout_a.begin_layers (); la != layout_a.end_layers (); ++la) {
m_b2a_mapping.insert (std::make_pair ((*la).first, (*la).first));
}
} else {
std::map<db::LayerProperties, unsigned int, db::LPLogicalLessFunc> layers;
for (db::Layout::layer_iterator la = layout_a.begin_layers (); la != layout_a.end_layers (); ++la) {
if (! (*la).second->is_null ()) {
layers.insert (std::make_pair (*(*la).second, (*la).first));
}
}
for (db::Layout::layer_iterator lb = layout_b.begin_layers (); lb != layout_b.end_layers (); ++lb) {
if (! (*lb).second->is_null ()) {
std::map<db::LayerProperties, unsigned int, db::LPLogicalLessFunc>::const_iterator l = layers.find (*(*lb).second);
if (l != layers.end ()) {
m_b2a_mapping.insert (std::make_pair ((*lb).first, l->second));
} else {
unsigned int nl = layout_a.insert_layer (*(*lb).second);
new_layers.push_back (nl);
m_b2a_mapping.insert (std::make_pair ((*lb).first, nl));
}
}
}
}
return new_layers;
}
std::pair<bool, unsigned int>
LayerMapping::layer_mapping_pair (unsigned int layer_b) const
{
std::map <unsigned int, unsigned int>::const_iterator m = m_b2a_mapping.find (layer_b);
if (m == m_b2a_mapping.end ()) {
return std::make_pair (false, 0);
} else {
return std::make_pair (true, m->second);
}
}
bool
LayerMapping::has_mapping (unsigned int layer_b) const
{
std::map <unsigned int, unsigned int>::const_iterator m = m_b2a_mapping.find (layer_b);
return (m != m_b2a_mapping.end ());
}
unsigned int
LayerMapping::layer_mapping (unsigned int layer_b) const
{
std::map <unsigned int, unsigned int>::const_iterator m = m_b2a_mapping.find (layer_b);
tl_assert (m != m_b2a_mapping.end ());
return m->second;
}
}