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// Copyright (c) 2007-2009 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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#ifndef SURFACECONFIGURATION_H
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#define SURFACECONFIGURATION_H
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#include <e32base.h>
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#include <graphics/surface.h>
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#include <bitstd.h>
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/**
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The base class for the surface configuration containing the size of the surface configuration.
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Provides a Size function to help identify which attributes are available.
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@publishedPartner
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@prototype
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*/
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class TSurfaceConfigurationSize
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{
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public:
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inline TInt Size() const;
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protected:
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inline TSurfaceConfigurationSize(TInt aSize);
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template <class Member> TBool MemberAccessible (const Member& aMember) const
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{
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return iSize>=sizeof(Member)+TInt(&aMember)-TInt(this);
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}
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inline TBool operator == (const TSurfaceConfigurationSize& aRhs)const;
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private:
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inline TSurfaceConfigurationSize();
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inline TSurfaceConfigurationSize(const TSurfaceConfigurationSize& /*aSurfaceConfigurationSize*/);
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inline TSurfaceConfigurationSize operator = (const TSurfaceConfigurationSize& /*aRhs*/)const;
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protected:
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TInt iSize;
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};
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/**
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The first set of surface configuration attributes containing the surface id, viewport, extent
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and orientation of the surface, along with a SupportsAllMembers function to help identify which
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attributes are available.
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@publishedPartner
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@prototype
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*/
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class TSurfaceConfiguration1: public TSurfaceConfigurationSize
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{
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public:
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inline TSurfaceConfiguration1();
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inline TInt SetSurfaceId (const TSurfaceId& aSurfaceId);
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inline void GetSurfaceId (TSurfaceId& aSurfaceId) const;
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inline TInt SetViewport (const TRect& aViewport);
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inline void GetViewport (TRect& aViewport) const;
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inline TInt SetOrientation (CFbsBitGc::TGraphicsOrientation aOrientation);
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inline CFbsBitGc::TGraphicsOrientation Orientation() const;
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inline TInt SetExtent(const TRect& aExtent);
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inline void GetExtent(TRect& aExtent) const;
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inline TBool SupportsAllMembers();
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protected:
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inline TSurfaceConfiguration1(TInt aSize);
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inline TBool operator == (const TSurfaceConfiguration1& aRhs)const;
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private:
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inline TSurfaceConfiguration1(const TSurfaceConfiguration1& /*aSurfaceConfiguration1*/);
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inline TSurfaceConfiguration1 operator = (const TSurfaceConfiguration1& /*aRhs*/)const;
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private:
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TSurfaceId iSurfaceId;
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CFbsBitGc::TGraphicsOrientation iOrientation;
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TRect iExtent;
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TRect iViewport;
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};
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/**
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The second set of surface configuration attributes containing the flip attribute of the surface, along with a SupportsAllMembers function to help identify which
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attributes are available.
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@publishedPartner
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@prototype
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*/
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class TSurfaceConfiguration2: public TSurfaceConfiguration1
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{
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public:
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inline TSurfaceConfiguration2();
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inline TInt SetFlip(TBool aFlip);
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inline TBool Flip()const;
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inline TBool SupportsAllMembers();
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protected:
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inline TSurfaceConfiguration2(TInt aSize);
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inline TBool operator == (const TSurfaceConfiguration2& aRhs)const;
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private:
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inline TSurfaceConfiguration2(const TSurfaceConfiguration2& /*aSurfaceConfiguration2*/);
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inline TSurfaceConfiguration2 operator = (const TSurfaceConfiguration2& /*aRhs*/)const;
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//iFlip is a x-axis flip
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TBool iFlip;
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};
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/**
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TSurfaceConfiguration is provided as a chain of derived classes representing the growing
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history of the class.
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@publishedPartner
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@prototype
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*/
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class TSurfaceConfiguration: public TSurfaceConfiguration2
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{
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typedef TSurfaceConfiguration2 TBiggestConfiguration;
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public:
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inline TSurfaceConfiguration();
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inline TSurfaceConfiguration(const TSurfaceConfiguration& aSurfaceConfiguration);
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inline TSurfaceConfiguration(TInt aPreferredMaxSize);
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inline TBool operator == (const TSurfaceConfiguration& aRhs)const
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{
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return TSurfaceConfiguration2::operator==(aRhs);
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}
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private:
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inline TSurfaceConfiguration operator = (const TSurfaceConfiguration& /*aRhs*/);
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};
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#include <graphics/surfaceconfiguration.inl>
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#endif // SURFACECONFIGURATION_H
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