/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  Graphics Extension Library source file

*

*/

#include "GfxRenderingHints.h"

const TUint32 KCurveQualityMask = 0x00000007;  // bit 0-2

const TUint32 KVisibilityMask = 0x00000008;    // bit 3

const TUint32 KFontEngineMask = 0x00000010;    // bit 4

// --------------------------------------------------------------------------

//  TGfxRenderingHints::TGfxRenderingHints()

// ---------------------------------------------------------------------------

 TGfxRenderingHints::TGfxRenderingHints()

    {

    iHintBits = KVisibilityMask;    // Default visibility = visible

    iHintBits |= ( KCurveQualityMask & 2 ); // Default Flattening level = 2

    // Notes:

    //   KFontEngineMask bitp is 0 -> use scalable font as default

    }

// ==========================================================================

// Visibility

// ==========================================================================

// --------------------------------------------------------------------------

//  void TGfxRenderingHints::SetVisibility( TBool aVisibility )

// ---------------------------------------------------------------------------

 void TGfxRenderingHints::SetVisibility( TBool aVisibility )

    {

    if ( aVisibility )

        {

        iHintBits |= KVisibilityMask;

        }

    else

        {

        iHintBits &= ~KVisibilityMask;

        }

    }

// --------------------------------------------------------------------------

//  TBool TGfxRenderingHints::Visibility()

// ---------------------------------------------------------------------------

 TBool TGfxRenderingHints::Visibility()

    {

    return ( ( iHintBits & KVisibilityMask ) != 0 );

    }

// ==========================================================================

// Curve quality

// ==========================================================================

// --------------------------------------------------------------------------

//  void TGfxRenderingHints::SetCurveQuality( TInt aCurveQuality )

// ---------------------------------------------------------------------------

 void TGfxRenderingHints::SetCurveQuality( TInt aCurveQuality )

    {

    iHintBits &= ~KCurveQualityMask;                    // clear

    iHintBits |= ( KCurveQualityMask & aCurveQuality ); // set

    }

// --------------------------------------------------------------------------

//  TInt TGfxRenderingHints::CurveQuality()

// ---------------------------------------------------------------------------

 TInt TGfxRenderingHints::CurveQuality()

    {

    return ( iHintBits & KCurveQualityMask );

    }

// ==========================================================================

// switch rendering engine (Open Font system/bitmap font)

// ==========================================================================

// --------------------------------------------------------------------------

//  void TGfxRenderingHints::SetFastFontRendering( TBool aFastFontRendering )

// ---------------------------------------------------------------------------

 void TGfxRenderingHints::SetFastFontRendering( TBool aFastFontRendering )

    {

    if ( aFastFontRendering )

        {

        iHintBits |= KFontEngineMask;

        }

    else

        {

        iHintBits &= ~KFontEngineMask;

        }

    }

// --------------------------------------------------------------------------

//  TBool TGfxRenderingHints::FastFontRendering()

// ---------------------------------------------------------------------------

 TBool TGfxRenderingHints::FastFontRendering()

    {

    return ( ( iHintBits & KFontEngineMask ) != 0 );

    }

// --------------------------------------------------------------------------

//  void TGfxRenderingHints::SetShapeAntiAliasing( TBool /* aShapeAntiAliasing */ )

// ---------------------------------------------------------------------------

 void TGfxRenderingHints::SetShapeAntiAliasing( TBool /* aShapeAntiAliasing */ )

    {

    }

// --------------------------------------------------------------------------

//  TBool TGfxRenderingHints::ShapeAntiAliasing()

// ---------------------------------------------------------------------------

 TBool TGfxRenderingHints::ShapeAntiAliasing()

    {

    return EFalse;

    }

// --------------------------------------------------------------------------

//  TGfxImageInterpolation TGfxRenderingHints::ImageInterpolation()

// ---------------------------------------------------------------------------

 TGfxImageInterpolation TGfxRenderingHints::ImageInterpolation()

    {

    return EGfxInterpolationNearestNeighbor;

    }