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/**
* @file llimageworker.h
* @brief Object for managing images and their textures.
*
* $LicenseInfo:firstyear=2000&license=viewergpl$
*
* Copyright (c) 2000-2008, Linden Research, Inc.
*
* Second Life Viewer Source Code
* 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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.
* $/LicenseInfo$
*/
#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,
LLPointer<LLResponder> responder);
~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
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