1 files changed, 15 insertions, 15 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkGAMA.java b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkGAMA.java
index 184ee9ffa..74640746e 100644
--- a/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkGAMA.java
+++ b/src/jogl/classes/jogamp/opengl/util/pngj/chunks/PngChunkGAMA.java
@@ -1,42 +1,42 @@
 package jogamp.opengl.util.pngj.chunks;
 
 import jogamp.opengl.util.pngj.ImageInfo;
-import jogamp.opengl.util.pngj.PngHelper;
+import jogamp.opengl.util.pngj.PngHelperInternal;
 import jogamp.opengl.util.pngj.PngjException;
 
-/*
+/**
+ * gAMA chunk.
+ * <p>
+ * see http://www.w3.org/TR/PNG/#11gAMA
  */
-public class PngChunkGAMA extends PngChunk {
+public class PngChunkGAMA extends PngChunkSingle {
+	public final static String ID = ChunkHelper.gAMA;
+
 	// http://www.w3.org/TR/PNG/#11gAMA
 	private double gamma;
 
 	public PngChunkGAMA(ImageInfo info) {
-		super(ChunkHelper.gAMA, info);
-	}
-
-	@Override
-	public boolean mustGoBeforeIDAT() {
-		return true;
+		super(ID, info);
 	}
 
 	@Override
-	public boolean mustGoBeforePLTE() {
-		return true;
+	public ChunkOrderingConstraint getOrderingConstraint() {
+		return ChunkOrderingConstraint.BEFORE_PLTE_AND_IDAT;
 	}
 
 	@Override
-	public ChunkRaw createChunk() {
+	public ChunkRaw createRawChunk() {
 		ChunkRaw c = createEmptyChunk(4, true);
 		int g = (int) (gamma * 100000 + 0.5);
-		PngHelper.writeInt4tobytes(g, c.data, 0);
+		PngHelperInternal.writeInt4tobytes(g, c.data, 0);
 		return c;
 	}
 
 	@Override
-	public void parseFromChunk(ChunkRaw chunk) {
+	public void parseFromRaw(ChunkRaw chunk) {
 		if (chunk.len != 4)
 			throw new PngjException("bad chunk " + chunk);
-		int g = PngHelper.readInt4fromBytes(chunk.data, 0);
+		int g = PngHelperInternal.readInt4fromBytes(chunk.data, 0);
 		gamma = ((double) g) / 100000.0;
 	}