1 files changed, 28 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkMultiple.java b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkMultiple.java
new file mode 100644
index 000000000..057f6c25e
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkMultiple.java
@@ -0,0 +1,28 @@
+package jogamp.opengl.util.pngj.chunks;
+
+import jogamp.opengl.util.pngj.ImageInfo;
+
+/**
+ * PNG chunk type (abstract) that allows multiple instances in same image.
+ */
+public abstract class PngChunkMultiple extends PngChunk {
+
+	protected PngChunkMultiple(String id, ImageInfo imgInfo) {
+		super(id, imgInfo);
+	}
+
+	@Override
+	public final boolean allowsMultiple() {
+		return true;
+	}
+
+	/**
+	 * NOTE: this chunk uses the default Object's equals() hashCode()
+	 * implementation.
+	 *
+	 * This is the right thing to do, normally.
+	 *
+	 * This is important, eg see ChunkList.removeFromList()
+	 */
+
+}