Allow empty sub-paths

src/aarasterizer.rs

@@ -1033,13 +1033,15 @@ fn ValidatePathTypes(typesArray: &[BYTE], mut count: INT) -> bool {
         // Advance to the first point after the 'start' point:
         count -= 1;
         if (count == 0) {
-            TraceTag!((tagMILWarning, "Path ended after start-path"));
-            return (false);
+            //TraceTag!((tagMILWarning, "Path ended after start-path"));
+            //return (false);
+            return (true);
         }
 
         if ((types[1] & PathPointTypePathTypeMask) == PathPointTypeStart) {
-            TraceTag!((tagMILWarning, "Can't have a start followed by a start!"));
-            return (false);
+            //TraceTag!((tagMILWarning, "Can't have a start followed by a start!"));
+            //return (false);
+            return (true);
         }
 
         // Process runs of lines and Bezier curves:

src/lib.rs

@@ -676,4 +676,17 @@ mod tests {
         assert_eq!(result.len(), 279);
         assert_eq!(calculate_hash(&rasterize_to_mask(&result, 70, 40)), 0xbd2eec3cfe9bd30b);
     }
+
+    #[test]
+    fn close_after_move_to() {
+        let mut p = PathBuilder::new();
+        p.move_to(0., 0.);
+        p.line_to(0., 10.);
+        p.line_to(10., 10.);
+        p.move_to(10., 0.);
+        p.close();
+        let result = p.rasterize_to_tri_list(0, 0, 20, 20);
+        assert_eq!(result.len(), 27);
+        assert_eq!(dbg!(calculate_hash(&result)), 0xecfdf5bdfa25a1dd);
+    }
 }