WIP: some little refactoring.

src/db/db/dbLayout.cc

@@ -35,6 +35,9 @@
 #include "dbEdgePairs.h"
 #include "dbEdges.h"
 #include "dbTexts.h"
+#include "dbCellMapping.h"
+#include "dbLayerMapping.h"
+#include "dbLayoutUtils.h"
 #include "tlTimer.h"
 #include "tlLog.h"
 #include "tlInternational.h"
@@ -1171,6 +1174,60 @@ Layout::topological_sort ()
 
 }
 
+void
+Layout::copy_tree_shapes (const db::Layout &source_layout, const db::CellMapping &cm)
+{
+  if (this == &source_layout) {
+    throw tl::Exception (tl::to_string (tr ("Cannot copy shapes within the same layout")));
+  }
+
+  db::ICplxTrans trans (source_layout.dbu () / dbu ());
+
+  db::LayerMapping lm;
+  lm.create_full (*this, source_layout);
+
+  db::copy_shapes (*this, source_layout, trans, cm.source_cells (), cm.table (), lm.table ());
+}
+
+void
+Layout::copy_tree_shapes (const db::Layout &source_layout, const db::CellMapping &cm, const db::LayerMapping &lm)
+{
+  if (this == &source_layout) {
+    throw tl::Exception (tl::to_string (tr ("Cannot copy shapes within the same layout")));
+  }
+
+  db::ICplxTrans trans (source_layout.dbu () / dbu ());
+
+  db::copy_shapes (*this, source_layout, trans, cm.source_cells (), cm.table (), lm.table ());
+}
+
+void
+Layout::move_tree_shapes (db::Layout &source_layout, const db::CellMapping &cm)
+{
+  if (this == &source_layout) {
+    throw tl::Exception (tl::to_string (tr ("Cannot copy shapes within the same layout")));
+  }
+
+  db::ICplxTrans trans (source_layout.dbu () / dbu ());
+
+  db::LayerMapping lm;
+  lm.create_full (*this, source_layout);
+
+  db::move_shapes (*this, source_layout, trans, cm.source_cells (), cm.table (), lm.table ());
+}
+
+void
+Layout::move_tree_shapes (db::Layout &source_layout, const db::CellMapping &cm, const db::LayerMapping &lm)
+{
+  if (this == &source_layout) {
+    throw tl::Exception (tl::to_string (tr ("Cannot copy shapes within the same layout")));
+  }
+
+  db::ICplxTrans trans (source_layout.dbu () / dbu ());
+
+  db::move_shapes (*this, source_layout, trans, cm.source_cells (), cm.table (), lm.table ());
+}
+
 bool 
 Layout::is_valid_cell_index (cell_index_type ci) const
 {

src/db/db/dbLayout.h

@@ -67,6 +67,8 @@ class Region;
 class Edges;
 class EdgePairs;
 class Texts;
+class CellMapping;
+class LayerMapping;
 
 template <class Coord> class generic_repository;
 typedef generic_repository<db::Coord> GenericRepository;
@@ -1257,6 +1259,34 @@ public:
    */
   void delete_layer (unsigned int n);
 
+  /**
+   *  @brief Copies the shapes of certain cells from the given source layout into this layout
+   *
+   *  The affected cells are derived from the cell mapping object.
+   */
+  void copy_tree_shapes (const db::Layout &source_layout, const db::CellMapping &cm);
+
+  /**
+   *  @brief Copies the shapes of certain cells from the given source layout into this layout using the given layer mapping
+   *
+   *  The affected cells are derived from the cell mapping object.
+   */
+  void copy_tree_shapes (const db::Layout &source_layout, const db::CellMapping &cm, const db::LayerMapping &lm);
+
+  /**
+   *  @brief Moves the shapes of certain cells from the given source layout into this layout
+   *
+   *  The affected cells are derived from the cell mapping object.
+   */
+  void move_tree_shapes (db::Layout &source_layout, const db::CellMapping &cm);
+
+  /**
+   *  @brief Moves the shapes of certain cells from the given source layout into this layout using the given layer mapping
+   *
+   *  The affected cells are derived from the cell mapping object.
+   */
+  void move_tree_shapes (db::Layout &source_layout, const db::CellMapping &cm, const db::LayerMapping &lm);
+
   /**
    *  @brief Return true, if the cell index is a valid one
    */