runelite-api: expose sprite pixels

runelite-api/src/main/java/net/runelite/api/SpritePixels.java

@@ -33,4 +33,6 @@ public interface SpritePixels
 	int getWidth();
 
 	int getHeight();
+
+	int[] getPixels();
 }

runescape-api/src/main/java/net/runelite/rs/api/RSSpritePixels.java

@@ -40,4 +40,8 @@ public interface RSSpritePixels extends SpritePixels
 	@Import("width")
 	@Override
 	int getWidth();
+
+	@Import("pixels")
+	@Override
+	int[] getPixels();
 }