Fixed NullPointerException in RamerDouglasPeuckerPath (#24)

Joboblock · web-flow · commit 869c6dc2b777 · 2025-09-01T22:30:19.000+01:00
diff --git a/src/main/java/clipper2/Clipper.java b/src/main/java/clipper2/Clipper.java
@@ -1011,7 +1011,7 @@ public static Path64 RamerDouglasPeuckerPath(Path64 path, double epsilon) {
 		if (len < 5) {
 			return path;
 		}
-		List<Boolean> flags = new ArrayList<>(Arrays.asList(new Boolean[len]));
+		List<Boolean> flags = new ArrayList<>(Collections.nCopies(len, false));
 		flags.set(0, true);
 		flags.set(len - 1, true);
 		RDP(path, 0, len - 1, Sqr(epsilon), flags);

Original file line number	Diff line number	Diff line change
`@@ -1011,7 +1011,7 @@ public static Path64 RamerDouglasPeuckerPath(Path64 path, double epsilon) {`
`1011`	`1011`	`if (len < 5) {`
`1012`	`1012`	`return path;`
`1013`	`1013`	`}`
`1014`		`- List<Boolean> flags = new ArrayList<>(Arrays.asList(new Boolean[len]));`
	`1014`	`+ List<Boolean> flags = new ArrayList<>(Collections.nCopies(len, false));`
`1015`	`1015`	`flags.set(0, true);`
`1016`	`1016`	`flags.set(len - 1, true);`
`1017`	`1017`	`RDP(path, 0, len - 1, Sqr(epsilon), flags);`