API: implement serialization for ZONE

common/api/api_utils.cpp

@@ -20,6 +20,7 @@
 
 #include <magic_enum.hpp>
 #include <api/api_utils.h>
+#include <geometry/shape_poly_set.h>
 
 namespace kiapi::common
 {
@@ -146,4 +147,48 @@ SHAPE_LINE_CHAIN UnpackPolyLine( const kiapi::common::types::PolyLine& aInput )
     return slc;
 }
 
+
+void PackPolySet( types::PolySet& aOutput, const SHAPE_POLY_SET& aInput )
+{
+    for( int idx = 0; idx < aInput.OutlineCount(); ++idx )
+    {
+        const SHAPE_POLY_SET::POLYGON& poly = aInput.Polygon( idx );
+
+        if( poly.empty() )
+            continue;
+
+        types::PolygonWithHoles* polyMsg = aOutput.mutable_polygons()->Add();
+        PackPolyLine( *polyMsg->mutable_outline(), poly.front() );
+
+        if( poly.size() > 1 )
+        {
+            for( size_t hole = 1; hole < poly.size(); ++hole )
+            {
+                types::PolyLine* pl = polyMsg->mutable_holes()->Add();
+                PackPolyLine( *pl, poly[hole] );
+            }
+        }
+    }
+}
+
+
+SHAPE_POLY_SET UnpackPolySet( const types::PolySet& aInput )
+{
+    SHAPE_POLY_SET sps;
+
+    for( const types::PolygonWithHoles& polygonWithHoles : aInput.polygons() )
+    {
+        SHAPE_POLY_SET::POLYGON polygon;
+
+        polygon.emplace_back( UnpackPolyLine( polygonWithHoles.outline() ) );
+
+        for( const types::PolyLine& holeMsg : polygonWithHoles.holes() )
+            polygon.emplace_back( UnpackPolyLine( holeMsg ) );
+
+        sps.AddPolygon( polygon );
+    }
+
+    return sps;
+}
+
 } // namespace kiapi::common