merge

Merge remote branch 'upstream/visitor' into visitortests

Conflicts:
	src/export.cc
	src/openscad.cc
	src/polyset.cc
	src/transform.cc
	tests/CMakeLists.txt
	tests/FindGLEW.cmake
	tests/csgtermtest.cc

1 files changed, 31 insertions, 0 deletions

diff --git a/testdata/scad/features/minkowski2-tests.scad b/testdata/scad/features/minkowski2-tests.scad
new file mode 100644
index 0000000..08f3d98
--- /dev/null
+++ b/testdata/scad/features/minkowski2-tests.scad
@@ -0,0 +1,31 @@
+module roundedBox2dSimple() {
+    minkowski() {
+        square([10,10]);
+        circle(r=5);
+    }
+}
+
+module roundedBox2dCut() {
+    minkowski() {
+        difference() {
+            square([10,10]);
+            square([5,5]);
+        }
+        circle(r=5);
+    }
+}
+
+// Not quite correct, result does not contain a hole, since the impl currently returns the outer boundary of the polygon_with_holes.
+module roundedBox2dHole() {
+    minkowski() {
+        difference() {
+            square([10,10], center=true);
+            square([8,8], center=true);
+        }
+        circle(r=2);
+    }
+}
+
+translate([-20,5,0]) roundedBox2dHole();
+translate([0,0,0]) roundedBox2dCut();
+translate([25,0,0]) roundedBox2dSimple();