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Convenience constructor for Layout from a cell (hierarchical copy)

This commit is contained in:
Matthias Koefferlein 2026-07-11 21:56:02 +02:00
parent 6d6596aedd
commit b2afb55fe3
2 changed files with 74 additions and 11 deletions
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51
src/db/db/gsiDeclDbLayout.cc
View File

@ -892,14 +892,38 @@ static db::Layout *layout_default_ctor()
return new db::Layout (true);
}
static db::Layout *editable_layout_ctor_with_manager(bool editable, db::Manager &manager)
static db::Layout *editable_layout_ctor_with_manager(bool editable, db::Manager *manager)
{
return new db::Layout (editable, &manager);
return new db::Layout (editable, manager);
}
static db::Layout *editable_layout_default_ctor(bool editable)
static db::Layout *layout_ctor_from_cell(const db::Cell &source_cell, tl::Variant editable, db::Manager *manager)
{
return new db::Layout (editable);
const db::Layout *source_layout = source_cell.layout ();
if (! source_layout) {
throw tl::Exception (tl::to_string (tr ("Source cell does not reside in a layout")));
}
bool editable_flag = source_layout->is_editable ();
if (! editable.is_nil ()) {
editable_flag = editable.to_bool ();
}
std::unique_ptr<db::Layout> target_layout (new db::Layout (editable_flag, manager));
db::cell_index_type target_cell_index = target_layout->add_cell (source_layout->cell_name (source_cell.cell_index ()));
target_layout->dbu (source_layout->dbu ());
db::CellMapping cm;
cm.create_single_mapping_full (*target_layout, target_cell_index, *source_layout, source_cell.cell_index ());
db::LayerMapping lm;
lm.create_full (*target_layout, *source_cell.layout ());
std::vector <db::cell_index_type> source_cells;
source_cells.push_back (source_cell.cell_index ());
db::copy_shapes (*target_layout, *source_layout, db::ICplxTrans (), source_cells, cm.table (), lm.table ());
return target_layout.release ();
}
static db::cell_index_type add_lib_pcell_variant (db::Layout *layout, db::Library *lib, db::pcell_id_type pcell_id, const std::vector<tl::Variant> &parameters)
@ -1286,7 +1310,7 @@ Class<db::Layout> decl_Layout ("db", "Layout",
"always editable. Before that version, they inherited the editable flag from "
"the application."
) +
gsi::constructor ("new", &editable_layout_ctor_with_manager, gsi::arg ("editable"), gsi::arg ("manager"),
gsi::constructor ("new", &editable_layout_ctor_with_manager, gsi::arg ("editable"), gsi::arg ("manager", (db::Manager *) 0, "nil"),
"@brief Creates a layout object attached to a manager\n"
"\n"
"This constructor specifies a manager object which is used to "
@ -1294,16 +1318,21 @@ Class<db::Layout> decl_Layout ("db", "Layout",
"the layout is editable. In editable mode, some optimizations are disabled "
"and the layout can be manipulated through a variety of methods.\n"
"\n"
"The manager object can be nil - in that case, undo/redo is not supported.\n"
"\n"
"This method was introduced in version 0.22.\n"
) +
gsi::constructor ("new", &editable_layout_default_ctor, gsi::arg ("editable"),
"@brief Creates a layout object\n"
gsi::constructor ("new", &layout_ctor_from_cell, gsi::arg ("source_cell"), gsi::arg ("editable", tl::Variant (), "nil"), gsi::arg ("manager", (db::Manager *) 0, "nil"),
"@brief Creates a layout object as a copy of another cell\n"
"\n"
"This constructor specifies whether "
"the layout is editable. In editable mode, some optimizations are disabled "
"and the layout can be manipulated through a variety of methods.\n"
"This convenience constructor creates a new layout object as a hierarchical copy of the source cell including all "
"child cells and shapes.\n"
"\n"
"This method was introduced in version 0.22.\n"
"If 'editable' is a boolean value, the new layout object will be made editable depending on that value. "
"If 'nil' is used for 'editable', the editable attribute is copied from the layout the source cell lives in.\n"
"'manager' can be a \\Manager object to which the new layout will be attached.\n"
"\n"
"This method was introduced in version 0.30.10.\n"
) +
gsi::method ("library", &db::Layout::library,
"@brief Gets the library this layout lives in or nil if the layout is not part of a library\n"

34
testdata/ruby/dbLayoutTests1.rb vendored
View File

@ -2518,6 +2518,40 @@ class DBLayoutTests1_TestClass < TestBase
end
# Create layout from a cell
def test_newLayoutFromCell
[ true, false ].each do |editable|
ly = RBA::Layout::new(editable)
top = ly.create_cell("TOP")
a = ly.create_cell("A")
b = ly.create_cell("B")
l1 = ly.layer(1, 0)
a.shapes(l1).insert(RBA::Box::new(0, 0, 1000, 2000))
b.shapes(l1).insert(RBA::Box::new(0, 0, 100, 200))
top.insert(RBA::CellInstArray::new(a, RBA::Trans::new))
a.insert(RBA::CellInstArray::new(b, RBA::Trans::new(1, 2)))
ly2 = RBA::Layout::new(a)
assert_equal(ly2.is_editable?, ly.is_editable?)
assert_equal(ly2.top_cell.name, "A")
assert_equal(collect(ly2.top_cell.begin_shapes_rec(ly2.layer(1, 0)), ly2), "[A](0,0;1000,2000)/[B](1,2;101,202)")
ly2 = RBA::Layout::new(a, false)
assert_equal(ly2.is_editable?, false)
assert_equal(ly2.top_cell.name, "A")
assert_equal(collect(ly2.top_cell.begin_shapes_rec(ly2.layer(1, 0)), ly2), "[A](0,0;1000,2000)/[B](1,2;101,202)")
ly2 = RBA::Layout::new(a, true)
assert_equal(ly2.is_editable?, true)
assert_equal(ly2.top_cell.name, "A")
assert_equal(collect(ly2.top_cell.begin_shapes_rec(ly2.layer(1, 0)), ly2), "[A](0,0;1000,2000)/[B](1,2;101,202)")
end
end
end
load("test_epilogue.rb")