mirror of https://github.com/KLayout/klayout.git
163 lines
10 KiB
C++
163 lines
10 KiB
C++
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/*
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KLayout Layout Viewer
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Copyright (C) 2006-2023 Matthias Koefferlein
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HDR_dbEmptyRegion
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#define HDR_dbEmptyRegion
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#include "dbCommon.h"
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#include "dbRegionDelegate.h"
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#include "dbEmptyEdges.h"
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#include "dbEmptyTexts.h"
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namespace db {
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/**
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* @brief An empty Region
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*/
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class DB_PUBLIC EmptyRegion
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: public RegionDelegate
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{
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public:
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EmptyRegion ();
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virtual ~EmptyRegion ();
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EmptyRegion (const EmptyRegion &other);
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RegionDelegate *clone () const;
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virtual RegionIteratorDelegate *begin () const { return 0; }
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virtual RegionIteratorDelegate *begin_merged () const { return 0; }
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virtual std::pair<db::RecursiveShapeIterator, db::ICplxTrans> begin_iter () const { return std::make_pair (db::RecursiveShapeIterator (), db::ICplxTrans ()); }
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virtual std::pair<db::RecursiveShapeIterator, db::ICplxTrans> begin_merged_iter () const { return std::make_pair (db::RecursiveShapeIterator (), db::ICplxTrans ()); }
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virtual bool empty () const { return true; }
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virtual size_t count () const { return 0; }
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virtual size_t hier_count () const { return 0; }
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virtual std::string to_string (size_t) const { return std::string (); }
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virtual bool is_box () const { return false; }
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virtual bool is_merged () const { return true; }
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virtual area_type area (const db::Box &) const { return 0; }
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virtual perimeter_type perimeter (const db::Box &) const { return 0; }
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virtual Box bbox () const { return Box (); }
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virtual EdgePairsDelegate *cop_to_edge_pairs (db::CompoundRegionOperationNode &node, PropertyConstraint);
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virtual RegionDelegate *cop_to_region (db::CompoundRegionOperationNode &node, PropertyConstraint);
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virtual EdgesDelegate *cop_to_edges (db::CompoundRegionOperationNode &node, PropertyConstraint);
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virtual EdgePairsDelegate *width_check (db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *space_check (db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *isolated_check (db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *notch_check (db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *enclosing_check (const Region &, db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *overlap_check (const Region &, db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *separation_check (const Region &, db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *inside_check (const Region &, db::Coord, const RegionCheckOptions &) const;
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virtual EdgePairsDelegate *grid_check (db::Coord, db::Coord) const;
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virtual EdgePairsDelegate *angle_check (double, double, bool) const;
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virtual RegionDelegate *snapped_in_place (db::Coord, db::Coord) { return this; }
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virtual RegionDelegate *snapped (db::Coord, db::Coord) { return new EmptyRegion (); }
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virtual RegionDelegate *scaled_and_snapped_in_place (db::Coord, db::Coord, db::Coord, db::Coord, db::Coord, db::Coord) { return this; }
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virtual RegionDelegate *scaled_and_snapped (db::Coord, db::Coord, db::Coord, db::Coord, db::Coord, db::Coord) { return new EmptyRegion (); }
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virtual EdgesDelegate *edges (const EdgeFilterBase *) const;
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virtual RegionDelegate *filter_in_place (const PolygonFilterBase &) { return this; }
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virtual RegionDelegate *filtered (const PolygonFilterBase &) const { return new EmptyRegion (); }
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virtual RegionDelegate *process_in_place (const PolygonProcessorBase &) { return this; }
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virtual RegionDelegate *processed (const PolygonProcessorBase &) const { return new EmptyRegion (); }
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virtual EdgesDelegate *processed_to_edges (const PolygonToEdgeProcessorBase &) const;
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virtual EdgePairsDelegate *processed_to_edge_pairs (const PolygonToEdgePairProcessorBase &) const;
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virtual RegionDelegate *merged_in_place () { return this; }
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virtual RegionDelegate *merged_in_place (bool, unsigned int) { return this; }
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virtual RegionDelegate *merged () const { return new EmptyRegion (); }
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virtual RegionDelegate *merged (bool, unsigned int) const { return new EmptyRegion (); }
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virtual RegionDelegate *sized (coord_type, unsigned int) const { return new EmptyRegion (); }
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virtual RegionDelegate *sized (coord_type, coord_type, unsigned int) const { return new EmptyRegion (); }
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virtual RegionDelegate *and_with (const Region &, db::PropertyConstraint) const { return new EmptyRegion (); }
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virtual RegionDelegate *not_with (const Region &, db::PropertyConstraint) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> andnot_with (const Region &, db::PropertyConstraint) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *xor_with (const Region &other, db::PropertyConstraint prop_constraint) const;
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virtual RegionDelegate *or_with (const Region &other, db::PropertyConstraint prop_constraint) const;
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virtual RegionDelegate *add_in_place (const Region &other);
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virtual RegionDelegate *add (const Region &other) const;
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virtual RegionDelegate *selected_outside (const Region &) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_outside (const Region &) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_outside_pair (const Region &) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *selected_inside (const Region &) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_inside (const Region &) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_inside_pair (const Region &) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *selected_enclosing (const Region &, size_t, size_t) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_enclosing (const Region &, size_t, size_t) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_enclosing_pair (const Region &, size_t, size_t) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *selected_interacting (const Region &, size_t, size_t) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_interacting (const Region &, size_t, size_t) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_interacting_pair (const Region &, size_t, size_t) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *selected_interacting (const Edges &, size_t, size_t) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_interacting (const Edges &, size_t, size_t) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_interacting_pair (const Edges &, size_t, size_t) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *selected_interacting (const Texts &, size_t, size_t) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_interacting (const Texts &, size_t, size_t) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_interacting_pair (const Texts &, size_t, size_t) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *selected_overlapping (const Region &, size_t, size_t) const { return new EmptyRegion (); }
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virtual RegionDelegate *selected_not_overlapping (const Region &, size_t, size_t) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> selected_overlapping_pair (const Region &, size_t, size_t) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual RegionDelegate *pull_inside (const Region &) const { return new EmptyRegion (); }
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virtual RegionDelegate *pull_interacting (const Region &) const { return new EmptyRegion (); }
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virtual EdgesDelegate *pull_interacting (const Edges &) const { return new EmptyEdges (); }
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virtual TextsDelegate *pull_interacting (const Texts &) const { return new EmptyTexts (); }
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virtual RegionDelegate *pull_overlapping (const Region &) const { return new EmptyRegion (); }
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virtual RegionDelegate *in (const Region &, bool) const { return new EmptyRegion (); }
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virtual std::pair<RegionDelegate *, RegionDelegate *> in_and_out (const Region &) const { return std::make_pair (new EmptyRegion (), new EmptyRegion ()); }
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virtual bool has_valid_polygons () const { return true; }
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virtual bool has_valid_merged_polygons () const { return true; }
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virtual const db::Polygon *nth (size_t) const { tl_assert (false); }
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virtual db::properties_id_type nth_prop_id (size_t) const { tl_assert (false); }
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virtual const db::RecursiveShapeIterator *iter () const { return 0; }
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virtual void apply_property_translator (const db::PropertiesTranslator &) { }
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virtual db::PropertiesRepository *properties_repository () { return 0; }
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virtual const db::PropertiesRepository *properties_repository () const { return 0; }
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virtual bool equals (const Region &other) const;
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virtual bool less (const Region &other) const;
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virtual void insert_into (Layout *, db::cell_index_type, unsigned int) const { }
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virtual RegionDelegate *nets (LayoutToNetlist *, NetPropertyMode, const tl::Variant &, const std::vector<const db::Net *> *) const { return new EmptyRegion (); }
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private:
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EmptyRegion &operator= (const EmptyRegion &other);
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};
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} // namespace db
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#endif
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