mirror of https://github.com/KLayout/klayout.git
Some refactoring - DEF scanner more modular (4)
This commit is contained in:
Matthias Koefferlein
parent
dea3743d59
commit
4757ad5044
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@ -359,6 +359,110 @@ DEFImporter::read_blockages (db::Layout &layout, db::Cell &design, double scale)
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}
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}
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}
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}
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void
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DEFImporter::produce_routing_geometry (db::Cell &design, const Polygon *style, unsigned int layer, properties_id_type prop_id, const std::vector<db::Point> &pts, const std::vector<std::pair<db::Coord, db::Coord> > &ext, std::pair<db::Coord, db::Coord> w)
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{
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if (! style) {
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// Use the default style (octagon "pen" for non-manhattan segments, paths for
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// horizontal/vertical segments).
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// Manhattan paths are stitched together from two-point paths if they
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std::pair<db::Coord, db::Coord> e = std::max (ext.front (), ext.back ());
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bool is_isotropic = (e.first == e.second && w.first == w.second);
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bool was_path = false;
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std::vector<db::Point>::const_iterator pt = pts.begin ();
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while (pt != pts.end ()) {
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std::vector<db::Point>::const_iterator pt0 = pt;
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do {
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++pt;
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} while (pt != pts.end () && is_isotropic && (pt[-1].x () == pt[0].x () || pt[-1].y () == pt[0].y()));
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if (pt - pt0 > 1 || pt0->x () == pt0[1].x () || pt0->y () == pt0[0].y()) {
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if (pt - pt0 == 1) {
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++pt;
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}
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db::Coord wxy, wxy_perp, exy;
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if (pt0->x () == pt0 [1].x ()) {
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wxy = w.second;
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wxy_perp = w.first;
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exy = e.second;
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} else {
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wxy = w.first;
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wxy_perp = w.second;
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exy = e.first;
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}
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db::Path p (pt0, pt, wxy, pt0 == pts.begin () ? exy : (was_path ? wxy_perp / 2 : 0), pt == pts.end () ? exy : 0, false);
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if (prop_id != 0) {
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design.shapes (layer).insert (db::object_with_properties<db::Path> (p, prop_id));
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} else {
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design.shapes (layer).insert (p);
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}
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if (pt == pts.end ()) {
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break;
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}
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--pt;
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was_path = true;
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} else {
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if (! is_isotropic) {
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warn("Anisotropic wire widths not supported for diagonal wires");
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}
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db::Coord s = (w.first + 1) / 2;
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db::Coord t = db::Coord (ceil (w.first * (M_SQRT2 - 1) / 2));
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db::Point octagon[8] = {
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db::Point (-s, t),
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db::Point (-t, s),
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db::Point (t, s),
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db::Point (s, t),
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db::Point (s, -t),
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db::Point (t, -s),
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db::Point (-t, -s),
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db::Point (-s, -t)
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};
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db::Polygon k;
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k.assign_hull (octagon, octagon + sizeof (octagon) / sizeof (octagon[0]));
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db::Polygon p = db::minkowsky_sum (k, db::Edge (*pt0, *pt));
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if (prop_id != 0) {
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design.shapes (layer).insert (db::object_with_properties<db::Polygon> (p, prop_id));
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} else {
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design.shapes (layer).insert (p);
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}
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was_path = false;
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}
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}
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} else {
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for (size_t i = 0; i < pts.size () - 1; ++i) {
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db::Polygon p = db::minkowsky_sum (*style, db::Edge (pts [i], pts [i + 1]));
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if (prop_id != 0) {
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design.shapes (layer).insert (db::object_with_properties<db::Polygon> (p, prop_id));
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} else {
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design.shapes (layer).insert (p);
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}
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}
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}
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}
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void
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void
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DEFImporter::read_single_net (std::string &nondefaultrule, Layout &layout, db::Cell &design, double scale, db::properties_id_type prop_id, bool specialnets)
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DEFImporter::read_single_net (std::string &nondefaultrule, Layout &layout, db::Cell &design, double scale, db::properties_id_type prop_id, bool specialnets)
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{
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{
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@ -512,112 +616,10 @@ DEFImporter::read_single_net (std::string &nondefaultrule, Layout &layout, db::C
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}
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}
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if (pts.size () > 1) {
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if (pts.size () > 1) {
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std::pair <bool, unsigned int> dl = open_layer (layout, ln, Routing);
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std::pair <bool, unsigned int> dl = open_layer (layout, ln, Routing);
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if (dl.first) {
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if (dl.first) {
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produce_routing_geometry (design, style, dl.second, prop_id, pts, ext, w);
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if (! style) {
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// Use the default style (octagon "pen" for non-manhattan segments, paths for
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// horizontal/vertical segments).
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// Manhattan paths are stitched together from two-point paths if they
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std::pair<db::Coord, db::Coord> e = std::max (ext.front (), ext.back ());
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bool is_isotropic = (e.first == e.second && w.first == w.second);
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bool was_path = false;
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std::vector<db::Point>::const_iterator pt = pts.begin ();
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while (pt != pts.end ()) {
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std::vector<db::Point>::const_iterator pt0 = pt;
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do {
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++pt;
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} while (pt != pts.end () && is_isotropic && (pt[-1].x () == pt[0].x () || pt[-1].y () == pt[0].y()));
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if (pt - pt0 > 1 || pt0->x () == pt0[1].x () || pt0->y () == pt0[0].y()) {
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if (pt - pt0 == 1) {
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++pt;
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}
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db::Coord wxy, wxy_perp, exy;
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if (pt0->x () == pt0 [1].x ()) {
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wxy = w.second;
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wxy_perp = w.first;
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exy = e.second;
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} else {
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wxy = w.first;
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wxy_perp = w.second;
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exy = e.first;
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}
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db::Path p (pt0, pt, wxy, pt0 == pts.begin () ? exy : (was_path ? wxy_perp / 2 : 0), pt == pts.end () ? exy : 0, false);
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if (prop_id != 0) {
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design.shapes (dl.second).insert (db::object_with_properties<db::Path> (p, prop_id));
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} else {
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design.shapes (dl.second).insert (p);
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}
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if (pt == pts.end ()) {
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break;
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}
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--pt;
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was_path = true;
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} else {
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if (! is_isotropic) {
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warn("Anisotropic wire widths not supported for diagonal wires");
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}
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db::Coord s = (w.first + 1) / 2;
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db::Coord t = db::Coord (ceil (w.first * (M_SQRT2 - 1) / 2));
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db::Point octagon[8] = {
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db::Point (-s, t),
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db::Point (-t, s),
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db::Point (t, s),
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db::Point (s, t),
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db::Point (s, -t),
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db::Point (t, -s),
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db::Point (-t, -s),
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db::Point (-s, -t)
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};
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db::Polygon k;
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k.assign_hull (octagon, octagon + sizeof (octagon) / sizeof (octagon[0]));
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db::Polygon p = db::minkowsky_sum (k, db::Edge (*pt0, *pt));
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if (prop_id != 0) {
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design.shapes (dl.second).insert (db::object_with_properties<db::Polygon> (p, prop_id));
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} else {
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design.shapes (dl.second).insert (p);
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}
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was_path = false;
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}
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}
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} else {
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for (size_t i = 0; i < pts.size () - 1; ++i) {
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db::Polygon p = db::minkowsky_sum (*style, db::Edge (pts [i], pts [i + 1]));
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if (prop_id != 0) {
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design.shapes (dl.second).insert (db::object_with_properties<db::Polygon> (p, prop_id));
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} else {
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design.shapes (dl.second).insert (p);
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}
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}
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}
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}
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}
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}
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}
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} else if (! peek ("NEW") && ! peek ("+") && ! peek ("-") && ! peek (";")) {
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} else if (! peek ("NEW") && ! peek ("+") && ! peek ("-") && ! peek (";")) {
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@ -1467,4 +1469,3 @@ DEFImporter::do_read (db::Layout &layout)
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}
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}
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}
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}
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@ -83,6 +83,7 @@ private:
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void read_styles (double scale);
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void read_styles (double scale);
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void read_components (std::list<std::pair<std::string, db::CellInstArray> > &instances, double scale);
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void read_components (std::list<std::pair<std::string, db::CellInstArray> > &instances, double scale);
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void read_single_net (std::string &nondefaultrule, db::Layout &layout, db::Cell &design, double scale, properties_id_type prop_id, bool specialnets);
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void read_single_net (std::string &nondefaultrule, db::Layout &layout, db::Cell &design, double scale, properties_id_type prop_id, bool specialnets);
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void produce_routing_geometry (db::Cell &design, const db::Polygon *style, unsigned int layer, properties_id_type prop_id, const std::vector<db::Point> &pts, const std::vector<std::pair<db::Coord, db::Coord> > &ext, std::pair<db::Coord, db::Coord> w);
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};
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};
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}
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}
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