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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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@file
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@internalComponent
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*/
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#ifndef MMFSUBTITLEGRAPHICMESSAGE_H
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#define MMFSUBTITLEGRAPHICMESSAGE_H
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#include <e32std.h>
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#include <s32strm.h>
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/*
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Defines the message classes for communication between the MMF CRP
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subtitle rendering client and the WSERV CRP graphic plug-in
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*/
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enum TSubtitleGraphicMessage
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{
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ESubtitleCrpMessageInit = 10,
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ESubtitleCrpMessageInitSimple = 20,
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ESubtitleCrpMessageClear = 30,
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ESubtitleCrpMessageDrawFrame = 40,
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ESubtitleCrpMessageSwapFrame = 50
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};
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/**
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Base class for all CRP messages
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*/
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class TSubtitleGraphicMessageBase
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{
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public:
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TSubtitleGraphicMessageBase(TSubtitleGraphicMessage aMsgType);
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protected:
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TInt8 iMsgType;
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};
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/**
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Initialise the CRP
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Passes two bitmap handles to the CRP
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@see CMMFSubtitleGraphic::Initialize(TInt aBuffer1, TInt aBuffer2);
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*/
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class TSubtitleCrpMsgInit : public TSubtitleGraphicMessageBase
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{
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public:
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TSubtitleCrpMsgInit();
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TSubtitleCrpMsgInit(TInt aBitmapHandle1, TInt aBitmapHandle2);
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public:
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TInt iBitmapHandle1;
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TInt iBitmapHandle2;
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};
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/**
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Initialise the CRP
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@see CMMFSubtitleGraphic::Initialize()
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*/
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class TSubtitleCrpMsgInitSimple : public TSubtitleGraphicMessageBase
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{
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public:
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TSubtitleCrpMsgInitSimple();
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};
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/**
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Request that the CRP clears all content from the window
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@see CMMFSubtitleGraphic::Clear()
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*/
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class TSubtitleCrpMsgClear : public TSubtitleGraphicMessageBase
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{
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public:
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TSubtitleCrpMsgClear();
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};
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/**
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Requests that the CRP draws a frame indicated by the CFBSBitmap handle provided
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@see CMMFSubtitleGraphic::DrawFrame(TInt aFrameHandle, TRect& aDirtyRegion,
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TTimeIntervalMicroSeconds& aDisplayDuration)
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*/
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class TSubtitleCrpMsgDrawFrame : public TSubtitleGraphicMessageBase
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{
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public:
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TSubtitleCrpMsgDrawFrame();
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TSubtitleCrpMsgDrawFrame(TInt aBitmapHandle, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);
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public:
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TInt iBitmapHandle;
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TRect iDirtyRegion;
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TTimeIntervalMicroSeconds iDisplayDuration;
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};
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/**
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Request that the CRP draw the content in the current back buffer. Assumes that the CRP
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has been intialized with TSubtitleCrpMsgInit
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@see CMMFSubtitleGraphic::SwapFrame(TInt aExpectedBuffer,
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TTimeIntervalMicroSeconds& aDisplayDuration, const TRect& aDirtyRegion)
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*/
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class TSubtitleCrpMsgRenderSwapFrame : public TSubtitleGraphicMessageBase
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{
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public:
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TSubtitleCrpMsgRenderSwapFrame();
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TSubtitleCrpMsgRenderSwapFrame(TInt aExpectedFrame, const TRect& aDirtyRegion, const TTimeIntervalMicroSeconds& aDisplayDuration);
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public:
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TInt iExpectedFrame;
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TTimeIntervalMicroSeconds iDisplayDuration;
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TRect iDirtyRegion;
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};
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#endif
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