klayout/src/db/dbLibraryProxy.cc

259 lines
6.8 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 "dbLibraryProxy.h"
#include "dbLibraryManager.h"
#include "dbLibrary.h"
#include "dbLayout.h"
#include "dbLayoutUtils.h"
namespace db
{
LibraryProxy::LibraryProxy (db::cell_index_type ci, db::Layout &layout, lib_id_type lib_id, cell_index_type lib_cell_index)
: Cell (ci, layout), m_lib_id (lib_id), m_library_cell_index (lib_cell_index)
{
db::Library *lib = db::LibraryManager::instance ().lib (lib_id);
if (lib) {
lib->register_proxy (this, &layout);
}
layout.register_lib_proxy (this);
}
LibraryProxy::~LibraryProxy ()
{
if (layout ()) {
layout ()->unregister_lib_proxy (this);
}
if (db::LibraryManager::initialized ()) {
db::Library *lib = db::LibraryManager::instance ().lib (m_lib_id);
if (lib) {
lib->unregister_proxy (this, layout ());
}
}
}
void
LibraryProxy::unregister ()
{
if (layout ()) {
layout ()->unregister_lib_proxy (this);
}
}
void
LibraryProxy::reregister ()
{
if (layout ()) {
layout ()->register_lib_proxy (this);
}
}
void
LibraryProxy::remap (lib_id_type lib_id, cell_index_type lib_cell_index)
{
if (lib_id == m_lib_id && m_library_cell_index == lib_cell_index) {
return;
}
if (layout ()) {
layout ()->unregister_lib_proxy (this);
}
db::Library *old_lib = db::LibraryManager::instance ().lib (m_lib_id);
if (old_lib) {
old_lib->unregister_proxy (this, layout ());
}
m_lib_id = lib_id;
m_library_cell_index = lib_cell_index;
// It's important to register at the new library, but the old library is about to the deleted, so we don't unregister.
// That does not disturb the old library iterating over the layouts.
db::Library *lib = db::LibraryManager::instance ().lib (m_lib_id);
if (lib) {
lib->register_proxy (this, layout ());
}
if (layout ()) {
layout ()->register_lib_proxy (this);
}
update ();
}
Cell *
LibraryProxy::clone (Layout &layout) const
{
Cell *cell = new LibraryProxy (db::Cell::cell_index (), layout, lib_id (), library_cell_index ());
// copy the cell content
*cell = *this;
return cell;
}
std::vector<int>
LibraryProxy::get_layer_indices (db::Layout &layout, db::ImportLayerMapping *layer_mapping)
{
std::vector<int> m_layer_indices; // TODO: should be somewhere "global" ..
Library *lib = LibraryManager::instance ().lib (lib_id ());
tl_assert (lib != 0);
const db::Cell &cell = lib->layout ().cell (library_cell_index ());
bool reuse_layer_list = (m_layer_indices.size () == lib->layout ().layers ());
for (unsigned int i = 0; i < m_layer_indices.size () && reuse_layer_list; ++i) {
reuse_layer_list = layout.is_valid_layer (m_layer_indices[i])
&& lib->layout ().is_valid_layer (i)
&& layout.get_properties (m_layer_indices[i]).log_equal (lib->layout ().get_properties (i));
}
if (! reuse_layer_list) {
db::DirectLayerMapping direct_layer_mapping (&layout);
if (! layer_mapping) {
layer_mapping = &direct_layer_mapping;
}
m_layer_indices.clear ();
m_layer_indices.reserve (lib->layout ().layers ());
for (unsigned int i = 0; i < lib->layout ().layers (); ++i) {
if (i == lib->layout ().guiding_shape_layer ()) {
// map guiding shape layer
m_layer_indices.push_back ((int) layout.guiding_shape_layer ());
} else if (! lib->layout ().is_valid_layer (i) || cell.bbox (i).empty ()) {
m_layer_indices.push_back (-1);
} else {
std::pair<bool, unsigned int> lm = layer_mapping->map_layer (lib->layout ().get_properties (i));
if (lm.first) {
m_layer_indices.push_back (lm.second);
} else {
m_layer_indices.push_back (layout.waste_layer ());
}
}
}
}
return m_layer_indices;
}
class LibraryCellIndexMapper
{
public:
LibraryCellIndexMapper (Layout &layout, Library *lib)
: mp_lib (lib), mp_layout (&layout)
{
// .. nothing yet ..
}
cell_index_type operator() (cell_index_type cell_index_in_lib)
{
return mp_layout->get_lib_proxy (mp_lib, cell_index_in_lib);
}
private:
Library *mp_lib;
Layout *mp_layout;
};
void
LibraryProxy::update (db::ImportLayerMapping *layer_mapping)
{
tl_assert (layout () != 0);
std::vector<int> layer_indices (get_layer_indices (*layout (), layer_mapping));
Library *lib = LibraryManager::instance ().lib (lib_id ());
const db::Cell &source_cell = lib->layout ().cell (library_cell_index ());
db::ICplxTrans tr;
bool need_transform = false;
if (fabs (layout ()->dbu () - lib->layout ().dbu ()) > 1e-6) {
need_transform = true;
tr = db::ICplxTrans (lib->layout ().dbu () / layout ()->dbu ());
}
clear_shapes ();
clear_insts ();
PropertyMapper prop_id_map (*layout (), lib->layout ());
for (unsigned int l = 0; l < lib->layout ().layers (); ++l) {
if (layer_indices [l] >= 0) {
shapes ((unsigned int) layer_indices [l]).assign_transformed (source_cell.shapes (l), tr, prop_id_map);
}
}
LibraryCellIndexMapper cell_index_mapper (*layout (), lib);
for (Cell::const_iterator inst = source_cell.begin (); !inst.at_end (); ++inst) {
db::Instance new_inst = insert (*inst, cell_index_mapper, prop_id_map);
if (need_transform) {
replace (new_inst, new_inst.cell_inst ().transformed_into (tr));
}
}
}
std::string
LibraryProxy::get_basic_name () const
{
Library *lib = LibraryManager::instance ().lib (lib_id ());
if (lib) {
return lib->layout ().cell (library_cell_index ()).get_basic_name ();
} else {
return Cell::get_basic_name ();
}
}
std::string
LibraryProxy::get_display_name () const
{
Library *lib = LibraryManager::instance ().lib (lib_id ());
if (lib) {
return lib->get_name () + "." + lib->layout ().cell (library_cell_index ()).get_display_name ();
} else {
return Cell::get_display_name ();
}
}
std::string
LibraryProxy::get_qualified_name () const
{
Library *lib = LibraryManager::instance ().lib (lib_id ());
if (lib) {
return lib->get_name () + "." + lib->layout ().cell (library_cell_index ()).get_qualified_name ();
} else {
return Cell::get_qualified_name ();
}
}
}