/*

* Copyright (c) 2003 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:  NVG Decoder header file

*

*/

#ifndef NVGFLOATFIX_H_

#define NVGFLOATFIX_H_

#include <e32def.h>

#include <s32mem.h>

const TInt32 KFixPtFrac = 16;

const TInt32 KFixPtFracVal = (1 << KFixPtFrac);

#   define svgFloatBits(f) (*(int*)&f)

inline int svgScalarFromFloat(float f)

    {

    int a;

    int sign;

    int exponent;

    int r;

    a           = svgFloatBits(f);

    sign        = a >> 31;

    exponent    = (127 + 15) - ((a >> 23) & 0xff);

    r = (int)((((int)(a) << 8) | (1U << 31)) >> exponent);

    r &= ((exponent - 32) >> 31);

    r = (r ^ sign) - sign;

    return r;

    }

class TFloatFixPt

    {

    public:

        /**

         * Construct a TFixPt.  The default value is 0.0.

         *

         * @since 1.0

         * @return

         */

        TFloatFixPt();

        /**

         * Construct a TFixPt from the given integer value.

         *

         * @since 1.0

         * @param aVal : integer value

         * @return

         */

        TFloatFixPt(TInt aVal);

        TFloatFixPt(TInt32 aVal);

        TFloatFixPt(TReal32 aVal);

        TFloatFixPt(TInt aVal, TBool aBool);

        TFloatFixPt&   operator=(TReal32 aVal);

        TFloatFixPt           operator+(const TFloatFixPt& aVal) const;

        operator TReal32() const;

        TInt32           Round();

        TInt32           RawData();

        void copyfloatfix(TInt aVal);

    public:

        TInt                    iValue;    // Must be the first data member of this class!

    };

#endif