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diff --git a/linden/indra/llimage/llimageworker.h b/linden/indra/llimage/llimageworker.h
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+++ b/linden/indra/llimage/llimageworker.h
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+/** 
+ * @file llimageworker.h
+ * @brief Object for managing images and their textures.
+ *
+ * Copyright (c) 2000-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLIMAGEWORKER_H
+#define LL_LLIMAGEWORKER_H
+
+#include "llimage.h"
+#include "llworkerthread.h"
+
+class LLImageWorker : public LLWorkerClass
+{
+public:
+        static void initClass(LLWorkerThread* workerthread);
+        static void cleanupClass();
+        static LLWorkerThread* getWorkerThread() { return sWorkerThread; }
+
+        // LLWorkerThread
+public:
+        LLImageWorker(LLImageFormatted* image, U32 priority, S32 discard, LLResponder* responder = NULL);
+        ~LLImageWorker();
+
+        // called from WORKER THREAD, returns TRUE if done
+        /*virtual*/ bool doWork(S32 param);
+        
+        BOOL requestDecodedData(LLPointer<LLImageRaw>& raw, S32 discard = -1);
+        BOOL requestDecodedAuxData(LLPointer<LLImageRaw>& raw, S32 channel, S32 discard = -1);
+        void releaseDecodedData();
+        void cancelDecode();
+
+private:
+        // called from MAIN THREAD
+        /*virtual*/ void startWork(S32 param); // called from addWork()
+        /*virtual*/ void endWork(S32 param, bool aborted); // called from doWork()
+
+protected:
+        LLPointer<LLImageFormatted> mFormattedImage;
+        LLPointer<LLImageRaw> mDecodedImage;
+        S32 mDecodedType;
+        S32 mDiscardLevel;
+
+private:
+        U32 mPriority;
+        LLPointer<LLResponder> mResponder;
+        
+protected:
+        static LLWorkerThread* sWorkerThread;
+
+public:
+        static S32 sCount;
+};
+
+#endif