<commit_before>/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: class4.cxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: hr $ $Date: 2006-06-19 21:45:21 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#include <math.h>
#include <main.hxx>
#include <chart.hxx>
#include <outact.hxx>

using namespace ::com::sun::star;

double CGM::ImplGetOrientation( FloatPoint& rCenter, FloatPoint& rPoint )
{
    double fOrientation;

    double nX = rPoint.X - rCenter.X;
    double nY = rPoint.Y - rCenter.Y;

    fOrientation = acos( nX / sqrt( nX * nX + nY * nY ) ) * 57.29577951308;
    if ( nY > 0 )
        fOrientation = 360 - fOrientation;

    return fOrientation;
}

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

void CGM::ImplSwitchStartEndAngle( double& rStartAngle, double& rEndAngle )
{
    double nTemp;
    nTemp = rStartAngle;
    rStartAngle = rEndAngle;
    rEndAngle = nTemp;
}

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

void CGM::ImplGetVector( double* pVector )
{
    if ( pElement->eVDCType == VDC_REAL )
    {
        for ( sal_uInt32 i = 0; i < 4; i++ )
        {
            pVector[ i ] = (double)ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
        }
    }
    else
    {
        for ( sal_uInt32 i = 0; i < 4; i++ )
        {
            pVector[ i ] = (double)ImplGetI( pElement->nVDCIntegerPrecision );
        }
    }
    pVector[ 0 ] *= mnVDCXmul;
    pVector[ 2 ] *= mnVDCXmul;
    pVector[ 1 ] *= mnVDCYmul;
    pVector[ 3 ] *= mnVDCYmul;
}

// ---------------------------------------------------------------
sal_Bool CGM::ImplGetEllipse( FloatPoint& rCenter, FloatPoint& rRadius, double& rAngle )
{
    FloatPoint  aPoint1, aPoint2;
    double      fRot1, fRot2;
    ImplGetPoint( rCenter, sal_True );
    ImplGetPoint( aPoint1, sal_True );
    ImplGetPoint( aPoint2, sal_True );
    fRot1 = ImplGetOrientation( rCenter, aPoint1 );
    fRot2 = ImplGetOrientation( rCenter, aPoint2 );
    rAngle = ImplGetOrientation( rCenter, aPoint1 );
    aPoint1.X -= rCenter.X;
    aPoint1.Y -= rCenter.Y;
    rRadius.X = sqrt( aPoint1.X * aPoint1.X + aPoint1.Y * aPoint1.Y );
    aPoint2.X -= rCenter.X;
    aPoint2.Y -= rCenter.Y;
    rRadius.Y = sqrt( aPoint2.X * aPoint2.X + aPoint2.Y * aPoint2.Y );

    if ( fRot1 > fRot2 )
    {
        if ( ( fRot1 - fRot2 ) < 180 )
            return sal_False;
    }
    else
    {
        if ( ( fRot2 - fRot1 ) > 180 )
            return sal_False;
    }
    return sal_True;
}

void CGM::ImplDoClass4()
{
    if ( mbFirstOutPut )
        mpOutAct->FirstOutPut();

    if ( mpBitmapInUse && ( mnElementID != 9 ) )    // vorhandene grafik verarbeiten,
    {                                               // da jetzt nicht bitmap actions anstehen
        CGMBitmapDescriptor* pBmpDesc = mpBitmapInUse->GetBitmap();
        // irgendetwas mit der Bitmap anfangen
        mpOutAct->DrawBitmap( pBmpDesc );
        delete mpBitmapInUse;
        mpBitmapInUse = NULL;
    }

    if ( ( mpChart == NULL ) || mpChart->IsAnnotation() )
    {
        switch ( mnElementID )
        {
            case 0x01 : ComOut( CGM_LEVEL1, "PolyLine" )
            {
                sal_uInt32 nPoints = mnElementSize / ImplGetPointSize();
                Polygon aPolygon( (sal_uInt16)nPoints );
                for ( sal_uInt16 i = 0; i < nPoints; i++)
                {
                    FloatPoint  aFloatPoint;
                    ImplGetPoint( aFloatPoint, sal_True );
                    aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), i );
                }
                if ( mbFigure )
                    mpOutAct->RegPolyLine( aPolygon );
                else
                    mpOutAct->DrawPolyLine( aPolygon );
            }
            break;

            case 0x02 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Disjoint PolyLine" )
            {
                sal_uInt32 nPoints = mnElementSize / ImplGetPointSize();
                if ( ! ( nPoints & 1 ) )
                {
                    nPoints >>= 1;
                    FloatPoint  aFloatPoint;
                    if ( mbFigure )
                    {
                        Polygon aPolygon( nPoints );
                        for ( sal_uInt16 i = 0; i < nPoints; i++ )
                        {
                            ImplGetPoint( aFloatPoint, sal_True );
                            aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), 0 );
                        }
                        mpOutAct->RegPolyLine( aPolygon );
                    }
                    else
                    {
                        mpOutAct->BeginGroup();
                        Polygon aPolygon( (sal_uInt16)2 );
                        for ( sal_uInt16 i = 0; i < nPoints; i++ )
                        {
                            ImplGetPoint( aFloatPoint, sal_True );
                            aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), 0 );
                            ImplGetPoint( aFloatPoint, sal_True );
                            aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), 1);
                            mpOutAct->DrawPolyLine( aPolygon );
                        }
                        mpOutAct->EndGroup();
                    }
                }
            }
            break;

            case 0x03 : ComOut( CGM_LEVEL1, "PolyMarker" ) break;
            case 0x04 : ComOut( CGM_LEVEL1, "Text" )
            {
                FloatPoint  aFloatPoint;
                sal_uInt32      nType, nSize;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetPoint ( aFloatPoint, sal_True );
                nType = ImplGetUI16( 4 );
                nSize = ImplGetUI( 1 );
                mpSource[ mnParaSize + nSize ] = 0;

                ComOut( CGM_DESCRIPTION, (char*)mpSource + mnParaSize );

                awt::Size aSize;
                awt::Point aPoint( (long)aFloatPoint.X, (long)aFloatPoint.Y );
                mpOutAct->DrawText( aPoint, aSize,
                                (char*)mpSource + mnParaSize, nSize, (FinalFlag)nType );
//              mnParaSize += nSize;
                mnParaSize = mnElementSize;
            }
            break;

            case 0x05 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Restricted Text" )
            {
                double      dx, dy;
                FloatPoint  aFloatPoint;
                sal_uInt32      nType, nSize;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                if ( pElement->eVDCType == VDC_REAL )
                {
                    dx = ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                    dy = ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                }
                else
                {
                    dx = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                    dy = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                }
                ImplMapDouble( dx );
                ImplMapDouble( dy );

                ImplGetPoint ( aFloatPoint, sal_True );
                nType = ImplGetUI16( 4 );
                nSize = ImplGetUI( 1 );

                mpSource[ mnParaSize + nSize ] = 0;

                ComOut( CGM_DESCRIPTION, (char*)mpSource + mnParaSize );

                awt::Point aPoint( (long)aFloatPoint.X, (long)aFloatPoint.Y );
                awt::Size aSize((long)dx, (long)dy);
                mpOutAct->DrawText( aPoint, aSize ,
                                (char*)mpSource + mnParaSize, nSize, (FinalFlag)nType );
//              mnParaSize += nSize;
                mnParaSize = mnElementSize;
            }
            break;

            case 0x06 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Append Text" )
            {
                sal_uInt32 nSize;
                sal_uInt32 nType = ImplGetUI16( 4 );

                nSize = ImplGetUI( 1 );
                mpSource[ mnParaSize + nSize ] = 0;

                ComOut( CGM_DESCRIPTION, (char*)mpSource + mnParaSize );

                mpOutAct->AppendText( (char*)mpSource + mnParaSize, nSize, (FinalFlag)nType );
//              mnParaSize += nSize;
                mnParaSize = mnElementSize;
            }
            break;

            case 0x07 : ComOut( CGM_LEVEL1, "Polygon" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_uInt32 nPoints = mnElementSize / ImplGetPointSize();
                Polygon aPolygon( nPoints );
                for ( sal_uInt32 i = 0; i < nPoints; i++)
                {
                    FloatPoint  aFloatPoint;
                    ImplGetPoint( aFloatPoint, sal_True );
                    aPolygon.SetPoint( Point ( (long)( aFloatPoint.X ), (long)( aFloatPoint.Y ) ), i );
                }
                mpOutAct->DrawPolygon( aPolygon );
            }
            break;

            case 0x08 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Polygon Set" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_uInt32      nPoints = 0;
                Point*      pPoints = new Point[ 0x4000 ];

                PolyPolygon aPolyPolygon;
                FloatPoint  aFloatPoint;
                sal_uInt32      nEdgeFlag;
                while ( mnParaSize < mnElementSize )
                {
                    ImplGetPoint( aFloatPoint, sal_True );
                    nEdgeFlag = ImplGetUI16();
                    pPoints[ nPoints++ ] = Point( (long)aFloatPoint.X, (long)aFloatPoint.Y );
                    if ( ( nEdgeFlag & 2 ) || ( mnParaSize == mnElementSize ) )
                    {
                        Polygon aPolygon( nPoints );
                        for ( sal_uInt32 i = 0; i < nPoints; i++ )
                        {
                            aPolygon.SetPoint( pPoints[ i ], i );
                        }
                        aPolyPolygon.Insert( aPolygon, POLYPOLY_APPEND );
                        nPoints = 0;
                    }
                }
                delete[] pPoints;
                mpOutAct->DrawPolyPolygon( aPolyPolygon );
            }
            break;

            case 0x09 : ComOut( CGM_LEVEL1, "Cell Array" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                if ( mpBitmapInUse )
                {
                    CGMBitmap* pBmpDesc = mpBitmapInUse->GetNext();
                    if ( pBmpDesc ) // eventuell bekommen wir eine bitmap zurck, die nicht
                    {               // zur vorherigen pat -> diese mssen wir dann auch lschen
                        mpOutAct->DrawBitmap( pBmpDesc->GetBitmap() );
                        delete pBmpDesc;
                    }
                }
                else
                {
                    mpBitmapInUse = new CGMBitmap( *this );
                }
            }
            break;

            case 0x0a : ComOut( CGM_LEVEL1, "Generalized Drawing Primitive" )
            {
                ImplGetI( pElement->nIntegerPrecision );  //-Wall is this needed
                ImplGetUI( pElement->nIntegerPrecision ); //-Wall is this needed
                mnParaSize = mnElementSize;
            }
            break;

            case 0x0b : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Rectangle" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                FloatRect   aFloatRect;
                ImplGetRectangle( aFloatRect, sal_True );
                mpOutAct->DrawRectangle( aFloatRect );
            }
            break;

            case 0x0c : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circle" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                double fRotation = 0;
                FloatPoint aCenter, aRadius;
                ImplGetPoint( aCenter, sal_True );
                if ( pElement->eVDCType == VDC_REAL )
                    aRadius.X = ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                else
                    aRadius.X = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                ImplMapDouble( aRadius.X );
                aRadius.Y = aRadius.X;
                mpOutAct->DrawEllipse( aCenter, aRadius, fRotation );
            }
            break;

            case 0x0d : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc 3 Point" )
            {
                int     nSwitch = 0;

                FloatPoint aStartingPoint, aIntermediatePoint, aEndingPoint, aCenterPoint;
                ImplGetPoint( aStartingPoint, sal_True );
                ImplGetPoint( aIntermediatePoint, sal_True );
                ImplGetPoint( aEndingPoint, sal_True );

                double fA = aIntermediatePoint.X - aStartingPoint.X;
                double fB = aIntermediatePoint.Y - aStartingPoint.Y;
                double fC = aEndingPoint.X - aStartingPoint.X;
                double fD = aEndingPoint.Y - aStartingPoint.Y;

                double fE = fA * ( aStartingPoint.X + aIntermediatePoint.X ) + fB * ( aStartingPoint.Y + aIntermediatePoint.Y );
                double fF = fC * ( aStartingPoint.X + aEndingPoint.X ) + fD * ( aStartingPoint.Y + aEndingPoint.Y );

                double fG = 2.0 * ( fA * ( aEndingPoint.Y - aIntermediatePoint.Y ) - fB * ( aEndingPoint.X - aIntermediatePoint.X ) );

                aCenterPoint.X = ( fD * fE - fB * fF ) / fG;
                aCenterPoint.Y = ( fA * fF - fC * fE ) / fG;

                if ( fG != 0 )
                {
                    double fStartAngle = ImplGetOrientation( aCenterPoint, aStartingPoint );
                    double fInterAngle = ImplGetOrientation( aCenterPoint, aIntermediatePoint );
                    double fEndAngle = ImplGetOrientation( aCenterPoint, aEndingPoint );

                    if ( fStartAngle > fEndAngle )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    if ( ! ( fInterAngle > fStartAngle )  && ( fInterAngle < fEndAngle ) )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    double fRadius = sqrt( pow( ( aStartingPoint.X - aCenterPoint.X ), 2 ) + pow( ( aStartingPoint.Y - aCenterPoint.Y ), 2 ) ) ;

                    if ( mbFigure )
                    {
                        Rectangle aBoundingBox( Point( (long)( aCenterPoint.X - fRadius ), long( aCenterPoint.Y - fRadius ) ),
                            Size( ( static_cast< long >( 2 * fRadius ) ), (long)( 2 * fRadius) ) );
                        Polygon aPolygon( aBoundingBox, Point( (long)aStartingPoint.X, (long)aStartingPoint.Y ) ,Point( (long)aEndingPoint.X, (long)aEndingPoint.Y ), POLY_ARC );
                        if ( nSwitch )
                            mpOutAct->RegPolyLine( aPolygon, sal_True );
                        else
                            mpOutAct->RegPolyLine( aPolygon );
                    }
                    else
                    {
                        fG = 0;
                        FloatPoint aRadius;
                        aRadius.X = aRadius.Y = fRadius;
                        mpOutAct->DrawEllipticalArc( aCenterPoint, aRadius, fG, 2, fStartAngle, fEndAngle );
                    }
                }
            }
            break;

            case 0x0e : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc 3 Point Close" )
            {
                int nSwitch = 0;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                FloatPoint aStartingPoint, aIntermediatePoint, aEndingPoint, aCenterPoint;
                ImplGetPoint( aStartingPoint );
                ImplGetPoint( aIntermediatePoint );
                ImplGetPoint( aEndingPoint );

                double fA = aIntermediatePoint.X - aStartingPoint.X;
                double fB = aIntermediatePoint.Y - aStartingPoint.Y;
                double fC = aEndingPoint.X - aStartingPoint.X;
                double fD = aEndingPoint.Y - aStartingPoint.Y;

                double fE = fA * ( aStartingPoint.X + aIntermediatePoint.X ) + fB * ( aStartingPoint.Y + aIntermediatePoint.Y );
                double fF = fC * ( aStartingPoint.X + aEndingPoint.X ) + fD * ( aStartingPoint.Y + aEndingPoint.Y );

                double fG = 2.0 * ( fA * ( aEndingPoint.Y - aIntermediatePoint.Y ) - fB * ( aEndingPoint.X - aIntermediatePoint.X ) );

                aCenterPoint.X = ( fD * fE - fB * fF ) / fG;
                aCenterPoint.Y = ( fA * fF - fC * fE ) / fG;

                if ( fG != 0 )
                {
                    double fStartAngle = ImplGetOrientation( aCenterPoint, aStartingPoint );
                    double fInterAngle = ImplGetOrientation( aCenterPoint, aIntermediatePoint );
                    double fEndAngle = ImplGetOrientation( aCenterPoint, aEndingPoint );

                    if ( fStartAngle > fEndAngle )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    if ( ! ( fInterAngle > fStartAngle )  && ( fInterAngle < fEndAngle ) )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    FloatPoint fRadius;
                    fRadius.Y = fRadius.X = sqrt( pow( ( aStartingPoint.X - aCenterPoint.X ), 2 ) + pow( ( aStartingPoint.Y - aCenterPoint.Y ), 2 ) ) ;

                    sal_uInt32 nType = ImplGetUI16();
                    if ( nType == 0 )
                        nType = 0;          // is PIE
                    else
                        nType = 1;          // is CHORD

                    double fOrientation = 0;
                    mpOutAct->DrawEllipticalArc( aCenterPoint, fRadius, fOrientation, nType, fStartAngle, fEndAngle );
                }
            }
            break;

            case 0x0f : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc Centre" )
            {
                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetPoint( aCenter, sal_True );
                ImplGetVector( &vector[ 0 ] );

                if ( pElement->eVDCType == VDC_REAL )
                {
                    aRadius.X = (double)ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                }
                else
                {
                    aRadius.X = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                }

                ImplMapDouble( aRadius.X );
                aRadius.Y = aRadius.X;

                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                if ( mbAngReverse )
                    ImplSwitchStartEndAngle( fStartAngle, fEndAngle );

                if ( mbFigure )
                {
                    Rectangle aBoundingBox(
                        Point( (long)( aCenter.X - aRadius.X ), long( aCenter.Y - aRadius.X ) ),
                        Size( static_cast< long >( 2 * aRadius.X ), (long)( 2 * aRadius.X ) ) );
                    Polygon aPolygon( aBoundingBox,
                        Point( (long)vector[ 0 ], (long)vector[ 1 ] ),
                        Point( (long)vector[ 2 ], (long)vector[ 3 ] ), POLY_ARC );
                    mpOutAct->RegPolyLine( aPolygon );
                }
                else
                {
                    fOrientation = 0;
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation, 2, fStartAngle, fEndAngle );
                }
                mnParaSize = mnElementSize;

            }
            break;

            case 0x10 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc Centre Close" )
            {
                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetPoint( aCenter, sal_True );
                ImplGetVector( &vector[ 0 ] );
                if ( pElement->eVDCType == VDC_REAL )
                {
                    aRadius.X = (double)ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                }
                else
                {
                    aRadius.X = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                }
                ImplMapDouble( aRadius.X );
                aRadius.Y = aRadius.X;
                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                if ( mbAngReverse )
                    ImplSwitchStartEndAngle( fStartAngle, fEndAngle );


                sal_uInt32 nType = ImplGetUI16();
                if ( nType == 0 )
                    nType = 0;          // is PIE
                else
                    nType = 1;          // is CHORD
                fOrientation = 0;

                mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                            nType, fStartAngle, fEndAngle );
                mnParaSize = mnElementSize;
            }
            break;

            case 0x11 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Ellipse" )
            {
                double fOrientation;
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetEllipse( aCenter, aRadius, fOrientation ) ;
                mpOutAct->DrawEllipse( aCenter, aRadius, fOrientation ) ;
            }
            break;

            case 0x12 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Elliptical Arc" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_Bool bDirection = ImplGetEllipse( aCenter, aRadius, fOrientation );
                ImplGetVector( &vector[ 0 ] );

                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                if ( bDirection )
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                2, fStartAngle, fEndAngle );
                else
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                2, fEndAngle, fStartAngle);
            }
            break;

            case 0x13 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Elliptical Arc Close" )
            {
                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_Bool bDirection = ImplGetEllipse( aCenter, aRadius, fOrientation );
                ImplGetVector( &vector[ 0 ] );

                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                sal_uInt32 nType = ImplGetUI16();
                if ( nType == 0 )
                    nType = 0;          // is PIE
                else
                    nType = 1;          // is CHORD

                if ( bDirection )
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                nType, fStartAngle, fEndAngle );
                else
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                nType, fEndAngle, fStartAngle);
            }
            break;
            case 0x14 : ComOut( CGM_LEVEL2, "Circular Arc Centre Reversed" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x15 : ComOut( CGM_LEVEL2, "Connection Edge" )                         // NS
            {
//              if ( mbFigure )
//                  mpOutAct->CloseRegion();
            }
            break;
            case 0x16 : ComOut( CGM_LEVEL3, "Hyperbolic Arc" )                          // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x17 : ComOut( CGM_LEVEL3, "Parabolic Arc" )                           // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x18 : ComOut( CGM_LEVEL3, "Non Uniform B-Spline" )                    // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x19 : ComOut( CGM_LEVEL3, "Non Uniform Rational B-Spline" )           // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1a : ComOut( CGM_LEVEL3, "Polybezier" )
            {
                sal_uInt32 i, nOrder, nNumberOfPoints;

                nOrder = ImplGetI( pElement->nIntegerPrecision );

                nNumberOfPoints = ( mnElementSize - pElement->nIntegerPrecision ) / ImplGetPointSize();

                Polygon aPolygon( nNumberOfPoints );

                for ( i = 0; i < nNumberOfPoints; i++)
                {
                    FloatPoint  aFloatPoint;
                    ImplGetPoint( aFloatPoint, sal_True );
                    aPolygon.SetPoint( Point ( (long)( aFloatPoint.X ), (long)( aFloatPoint.Y ) ), i );
                }
                if ( nOrder & 4 )
                {
                    for ( i = 0; i < nNumberOfPoints; i++ )
                    {
                        if ( ( i % 3 ) == 0 )
                            aPolygon.SetFlags( i, POLY_NORMAL );
                        else
                            aPolygon.SetFlags( i, POLY_CONTROL );
                    }
                }
                else
                {
                    for ( i = 0; i < nNumberOfPoints; i++ )
                    {
                        switch ( i & 3 )
                        {
                            case 0 :
                            case 3 : aPolygon.SetFlags( i, POLY_NORMAL ); break;
                            default : aPolygon.SetFlags( i, POLY_CONTROL ); break;
                        }
                    }
                }
                if ( mbFigure )
                    mpOutAct->RegPolyLine( aPolygon );
                else
                    mpOutAct->DrawPolybezier( aPolygon );
                mnParaSize = mnElementSize;
            }
            break;

            case 0x1b : ComOut( CGM_LEVEL3, "Polysymbol" )                              // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1c : ComOut( CGM_LEVEL3, "Bitonal Tile" )                            // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1d : ComOut( CGM_LEVEL3, "Tile" )                                    // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1e : ComOut( CGM_UNKNOWN_LEVEL, "Insert Object" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xff : ComOut( CGM_GDSF_ONLY, "Polybezier" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfe : ComOut( CGM_GDSF_ONLY, "Sharp Polybezier" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfd : ComOut( CGM_GDSF_ONLY, "Polyspline" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfc : ComOut( CGM_GDSF_ONLY, "Reounded Rectangle" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfb : ComOut( CGM_GDSF_ONLY, "Begin Cell Array" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfa : ComOut( CGM_GDSF_ONLY, "End Cell Array" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf9 : ComOut( CGM_GDSF_ONLY, "Insert File" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf8 : ComOut( CGM_GDSF_ONLY, "Block Text" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf7 : ComOut( CGM_GDSF_ONLY, "Variable Width Polyline" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf6 : ComOut( CGM_GDSF_ONLY, "Elliptical Arc 3 Point" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf1 : ComOut( CGM_GDSF_ONLY, "Hyperlink Definition" ) break;
            default: ComOut( CGM_UNKNOWN_COMMAND, "" ) break;
        }
    }
    else
        mnParaSize = mnElementSize;
};


<commit_msg>INTEGRATION: CWS pchfix02 (1.5.28); FILE MERGED 2006/09/01 17:30:08 kaib 1.5.28.1: #i68856# Added header markers and pch files<commit_after>/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: class4.cxx,v $
 *
 *  $Revision: 1.6 $
 *
 *  last change: $Author: obo $ $Date: 2006-09-17 15:47:43 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_goodies.hxx"

#include <math.h>
#include <main.hxx>
#include <chart.hxx>
#include <outact.hxx>

using namespace ::com::sun::star;

double CGM::ImplGetOrientation( FloatPoint& rCenter, FloatPoint& rPoint )
{
    double fOrientation;

    double nX = rPoint.X - rCenter.X;
    double nY = rPoint.Y - rCenter.Y;

    fOrientation = acos( nX / sqrt( nX * nX + nY * nY ) ) * 57.29577951308;
    if ( nY > 0 )
        fOrientation = 360 - fOrientation;

    return fOrientation;
}

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

void CGM::ImplSwitchStartEndAngle( double& rStartAngle, double& rEndAngle )
{
    double nTemp;
    nTemp = rStartAngle;
    rStartAngle = rEndAngle;
    rEndAngle = nTemp;
}

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

void CGM::ImplGetVector( double* pVector )
{
    if ( pElement->eVDCType == VDC_REAL )
    {
        for ( sal_uInt32 i = 0; i < 4; i++ )
        {
            pVector[ i ] = (double)ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
        }
    }
    else
    {
        for ( sal_uInt32 i = 0; i < 4; i++ )
        {
            pVector[ i ] = (double)ImplGetI( pElement->nVDCIntegerPrecision );
        }
    }
    pVector[ 0 ] *= mnVDCXmul;
    pVector[ 2 ] *= mnVDCXmul;
    pVector[ 1 ] *= mnVDCYmul;
    pVector[ 3 ] *= mnVDCYmul;
}

// ---------------------------------------------------------------
sal_Bool CGM::ImplGetEllipse( FloatPoint& rCenter, FloatPoint& rRadius, double& rAngle )
{
    FloatPoint  aPoint1, aPoint2;
    double      fRot1, fRot2;
    ImplGetPoint( rCenter, sal_True );
    ImplGetPoint( aPoint1, sal_True );
    ImplGetPoint( aPoint2, sal_True );
    fRot1 = ImplGetOrientation( rCenter, aPoint1 );
    fRot2 = ImplGetOrientation( rCenter, aPoint2 );
    rAngle = ImplGetOrientation( rCenter, aPoint1 );
    aPoint1.X -= rCenter.X;
    aPoint1.Y -= rCenter.Y;
    rRadius.X = sqrt( aPoint1.X * aPoint1.X + aPoint1.Y * aPoint1.Y );
    aPoint2.X -= rCenter.X;
    aPoint2.Y -= rCenter.Y;
    rRadius.Y = sqrt( aPoint2.X * aPoint2.X + aPoint2.Y * aPoint2.Y );

    if ( fRot1 > fRot2 )
    {
        if ( ( fRot1 - fRot2 ) < 180 )
            return sal_False;
    }
    else
    {
        if ( ( fRot2 - fRot1 ) > 180 )
            return sal_False;
    }
    return sal_True;
}

void CGM::ImplDoClass4()
{
    if ( mbFirstOutPut )
        mpOutAct->FirstOutPut();

    if ( mpBitmapInUse && ( mnElementID != 9 ) )    // vorhandene grafik verarbeiten,
    {                                               // da jetzt nicht bitmap actions anstehen
        CGMBitmapDescriptor* pBmpDesc = mpBitmapInUse->GetBitmap();
        // irgendetwas mit der Bitmap anfangen
        mpOutAct->DrawBitmap( pBmpDesc );
        delete mpBitmapInUse;
        mpBitmapInUse = NULL;
    }

    if ( ( mpChart == NULL ) || mpChart->IsAnnotation() )
    {
        switch ( mnElementID )
        {
            case 0x01 : ComOut( CGM_LEVEL1, "PolyLine" )
            {
                sal_uInt32 nPoints = mnElementSize / ImplGetPointSize();
                Polygon aPolygon( (sal_uInt16)nPoints );
                for ( sal_uInt16 i = 0; i < nPoints; i++)
                {
                    FloatPoint  aFloatPoint;
                    ImplGetPoint( aFloatPoint, sal_True );
                    aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), i );
                }
                if ( mbFigure )
                    mpOutAct->RegPolyLine( aPolygon );
                else
                    mpOutAct->DrawPolyLine( aPolygon );
            }
            break;

            case 0x02 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Disjoint PolyLine" )
            {
                sal_uInt32 nPoints = mnElementSize / ImplGetPointSize();
                if ( ! ( nPoints & 1 ) )
                {
                    nPoints >>= 1;
                    FloatPoint  aFloatPoint;
                    if ( mbFigure )
                    {
                        Polygon aPolygon( nPoints );
                        for ( sal_uInt16 i = 0; i < nPoints; i++ )
                        {
                            ImplGetPoint( aFloatPoint, sal_True );
                            aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), 0 );
                        }
                        mpOutAct->RegPolyLine( aPolygon );
                    }
                    else
                    {
                        mpOutAct->BeginGroup();
                        Polygon aPolygon( (sal_uInt16)2 );
                        for ( sal_uInt16 i = 0; i < nPoints; i++ )
                        {
                            ImplGetPoint( aFloatPoint, sal_True );
                            aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), 0 );
                            ImplGetPoint( aFloatPoint, sal_True );
                            aPolygon.SetPoint( Point( (long)aFloatPoint.X, (long)aFloatPoint.Y ), 1);
                            mpOutAct->DrawPolyLine( aPolygon );
                        }
                        mpOutAct->EndGroup();
                    }
                }
            }
            break;

            case 0x03 : ComOut( CGM_LEVEL1, "PolyMarker" ) break;
            case 0x04 : ComOut( CGM_LEVEL1, "Text" )
            {
                FloatPoint  aFloatPoint;
                sal_uInt32      nType, nSize;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetPoint ( aFloatPoint, sal_True );
                nType = ImplGetUI16( 4 );
                nSize = ImplGetUI( 1 );
                mpSource[ mnParaSize + nSize ] = 0;

                ComOut( CGM_DESCRIPTION, (char*)mpSource + mnParaSize );

                awt::Size aSize;
                awt::Point aPoint( (long)aFloatPoint.X, (long)aFloatPoint.Y );
                mpOutAct->DrawText( aPoint, aSize,
                                (char*)mpSource + mnParaSize, nSize, (FinalFlag)nType );
//              mnParaSize += nSize;
                mnParaSize = mnElementSize;
            }
            break;

            case 0x05 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Restricted Text" )
            {
                double      dx, dy;
                FloatPoint  aFloatPoint;
                sal_uInt32      nType, nSize;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                if ( pElement->eVDCType == VDC_REAL )
                {
                    dx = ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                    dy = ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                }
                else
                {
                    dx = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                    dy = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                }
                ImplMapDouble( dx );
                ImplMapDouble( dy );

                ImplGetPoint ( aFloatPoint, sal_True );
                nType = ImplGetUI16( 4 );
                nSize = ImplGetUI( 1 );

                mpSource[ mnParaSize + nSize ] = 0;

                ComOut( CGM_DESCRIPTION, (char*)mpSource + mnParaSize );

                awt::Point aPoint( (long)aFloatPoint.X, (long)aFloatPoint.Y );
                awt::Size aSize((long)dx, (long)dy);
                mpOutAct->DrawText( aPoint, aSize ,
                                (char*)mpSource + mnParaSize, nSize, (FinalFlag)nType );
//              mnParaSize += nSize;
                mnParaSize = mnElementSize;
            }
            break;

            case 0x06 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Append Text" )
            {
                sal_uInt32 nSize;
                sal_uInt32 nType = ImplGetUI16( 4 );

                nSize = ImplGetUI( 1 );
                mpSource[ mnParaSize + nSize ] = 0;

                ComOut( CGM_DESCRIPTION, (char*)mpSource + mnParaSize );

                mpOutAct->AppendText( (char*)mpSource + mnParaSize, nSize, (FinalFlag)nType );
//              mnParaSize += nSize;
                mnParaSize = mnElementSize;
            }
            break;

            case 0x07 : ComOut( CGM_LEVEL1, "Polygon" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_uInt32 nPoints = mnElementSize / ImplGetPointSize();
                Polygon aPolygon( nPoints );
                for ( sal_uInt32 i = 0; i < nPoints; i++)
                {
                    FloatPoint  aFloatPoint;
                    ImplGetPoint( aFloatPoint, sal_True );
                    aPolygon.SetPoint( Point ( (long)( aFloatPoint.X ), (long)( aFloatPoint.Y ) ), i );
                }
                mpOutAct->DrawPolygon( aPolygon );
            }
            break;

            case 0x08 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Polygon Set" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_uInt32      nPoints = 0;
                Point*      pPoints = new Point[ 0x4000 ];

                PolyPolygon aPolyPolygon;
                FloatPoint  aFloatPoint;
                sal_uInt32      nEdgeFlag;
                while ( mnParaSize < mnElementSize )
                {
                    ImplGetPoint( aFloatPoint, sal_True );
                    nEdgeFlag = ImplGetUI16();
                    pPoints[ nPoints++ ] = Point( (long)aFloatPoint.X, (long)aFloatPoint.Y );
                    if ( ( nEdgeFlag & 2 ) || ( mnParaSize == mnElementSize ) )
                    {
                        Polygon aPolygon( nPoints );
                        for ( sal_uInt32 i = 0; i < nPoints; i++ )
                        {
                            aPolygon.SetPoint( pPoints[ i ], i );
                        }
                        aPolyPolygon.Insert( aPolygon, POLYPOLY_APPEND );
                        nPoints = 0;
                    }
                }
                delete[] pPoints;
                mpOutAct->DrawPolyPolygon( aPolyPolygon );
            }
            break;

            case 0x09 : ComOut( CGM_LEVEL1, "Cell Array" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                if ( mpBitmapInUse )
                {
                    CGMBitmap* pBmpDesc = mpBitmapInUse->GetNext();
                    if ( pBmpDesc ) // eventuell bekommen wir eine bitmap zurck, die nicht
                    {               // zur vorherigen pat -> diese mssen wir dann auch lschen
                        mpOutAct->DrawBitmap( pBmpDesc->GetBitmap() );
                        delete pBmpDesc;
                    }
                }
                else
                {
                    mpBitmapInUse = new CGMBitmap( *this );
                }
            }
            break;

            case 0x0a : ComOut( CGM_LEVEL1, "Generalized Drawing Primitive" )
            {
                ImplGetI( pElement->nIntegerPrecision );  //-Wall is this needed
                ImplGetUI( pElement->nIntegerPrecision ); //-Wall is this needed
                mnParaSize = mnElementSize;
            }
            break;

            case 0x0b : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Rectangle" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                FloatRect   aFloatRect;
                ImplGetRectangle( aFloatRect, sal_True );
                mpOutAct->DrawRectangle( aFloatRect );
            }
            break;

            case 0x0c : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circle" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                double fRotation = 0;
                FloatPoint aCenter, aRadius;
                ImplGetPoint( aCenter, sal_True );
                if ( pElement->eVDCType == VDC_REAL )
                    aRadius.X = ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                else
                    aRadius.X = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                ImplMapDouble( aRadius.X );
                aRadius.Y = aRadius.X;
                mpOutAct->DrawEllipse( aCenter, aRadius, fRotation );
            }
            break;

            case 0x0d : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc 3 Point" )
            {
                int     nSwitch = 0;

                FloatPoint aStartingPoint, aIntermediatePoint, aEndingPoint, aCenterPoint;
                ImplGetPoint( aStartingPoint, sal_True );
                ImplGetPoint( aIntermediatePoint, sal_True );
                ImplGetPoint( aEndingPoint, sal_True );

                double fA = aIntermediatePoint.X - aStartingPoint.X;
                double fB = aIntermediatePoint.Y - aStartingPoint.Y;
                double fC = aEndingPoint.X - aStartingPoint.X;
                double fD = aEndingPoint.Y - aStartingPoint.Y;

                double fE = fA * ( aStartingPoint.X + aIntermediatePoint.X ) + fB * ( aStartingPoint.Y + aIntermediatePoint.Y );
                double fF = fC * ( aStartingPoint.X + aEndingPoint.X ) + fD * ( aStartingPoint.Y + aEndingPoint.Y );

                double fG = 2.0 * ( fA * ( aEndingPoint.Y - aIntermediatePoint.Y ) - fB * ( aEndingPoint.X - aIntermediatePoint.X ) );

                aCenterPoint.X = ( fD * fE - fB * fF ) / fG;
                aCenterPoint.Y = ( fA * fF - fC * fE ) / fG;

                if ( fG != 0 )
                {
                    double fStartAngle = ImplGetOrientation( aCenterPoint, aStartingPoint );
                    double fInterAngle = ImplGetOrientation( aCenterPoint, aIntermediatePoint );
                    double fEndAngle = ImplGetOrientation( aCenterPoint, aEndingPoint );

                    if ( fStartAngle > fEndAngle )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    if ( ! ( fInterAngle > fStartAngle )  && ( fInterAngle < fEndAngle ) )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    double fRadius = sqrt( pow( ( aStartingPoint.X - aCenterPoint.X ), 2 ) + pow( ( aStartingPoint.Y - aCenterPoint.Y ), 2 ) ) ;

                    if ( mbFigure )
                    {
                        Rectangle aBoundingBox( Point( (long)( aCenterPoint.X - fRadius ), long( aCenterPoint.Y - fRadius ) ),
                            Size( ( static_cast< long >( 2 * fRadius ) ), (long)( 2 * fRadius) ) );
                        Polygon aPolygon( aBoundingBox, Point( (long)aStartingPoint.X, (long)aStartingPoint.Y ) ,Point( (long)aEndingPoint.X, (long)aEndingPoint.Y ), POLY_ARC );
                        if ( nSwitch )
                            mpOutAct->RegPolyLine( aPolygon, sal_True );
                        else
                            mpOutAct->RegPolyLine( aPolygon );
                    }
                    else
                    {
                        fG = 0;
                        FloatPoint aRadius;
                        aRadius.X = aRadius.Y = fRadius;
                        mpOutAct->DrawEllipticalArc( aCenterPoint, aRadius, fG, 2, fStartAngle, fEndAngle );
                    }
                }
            }
            break;

            case 0x0e : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc 3 Point Close" )
            {
                int nSwitch = 0;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                FloatPoint aStartingPoint, aIntermediatePoint, aEndingPoint, aCenterPoint;
                ImplGetPoint( aStartingPoint );
                ImplGetPoint( aIntermediatePoint );
                ImplGetPoint( aEndingPoint );

                double fA = aIntermediatePoint.X - aStartingPoint.X;
                double fB = aIntermediatePoint.Y - aStartingPoint.Y;
                double fC = aEndingPoint.X - aStartingPoint.X;
                double fD = aEndingPoint.Y - aStartingPoint.Y;

                double fE = fA * ( aStartingPoint.X + aIntermediatePoint.X ) + fB * ( aStartingPoint.Y + aIntermediatePoint.Y );
                double fF = fC * ( aStartingPoint.X + aEndingPoint.X ) + fD * ( aStartingPoint.Y + aEndingPoint.Y );

                double fG = 2.0 * ( fA * ( aEndingPoint.Y - aIntermediatePoint.Y ) - fB * ( aEndingPoint.X - aIntermediatePoint.X ) );

                aCenterPoint.X = ( fD * fE - fB * fF ) / fG;
                aCenterPoint.Y = ( fA * fF - fC * fE ) / fG;

                if ( fG != 0 )
                {
                    double fStartAngle = ImplGetOrientation( aCenterPoint, aStartingPoint );
                    double fInterAngle = ImplGetOrientation( aCenterPoint, aIntermediatePoint );
                    double fEndAngle = ImplGetOrientation( aCenterPoint, aEndingPoint );

                    if ( fStartAngle > fEndAngle )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    if ( ! ( fInterAngle > fStartAngle )  && ( fInterAngle < fEndAngle ) )
                    {
                        nSwitch ^=1;
                        aIntermediatePoint = aEndingPoint;
                        aEndingPoint = aStartingPoint;
                        aStartingPoint = aIntermediatePoint;
                        fG = fStartAngle;
                        fStartAngle = fEndAngle;
                        fEndAngle = fG;
                    }
                    FloatPoint fRadius;
                    fRadius.Y = fRadius.X = sqrt( pow( ( aStartingPoint.X - aCenterPoint.X ), 2 ) + pow( ( aStartingPoint.Y - aCenterPoint.Y ), 2 ) ) ;

                    sal_uInt32 nType = ImplGetUI16();
                    if ( nType == 0 )
                        nType = 0;          // is PIE
                    else
                        nType = 1;          // is CHORD

                    double fOrientation = 0;
                    mpOutAct->DrawEllipticalArc( aCenterPoint, fRadius, fOrientation, nType, fStartAngle, fEndAngle );
                }
            }
            break;

            case 0x0f : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc Centre" )
            {
                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetPoint( aCenter, sal_True );
                ImplGetVector( &vector[ 0 ] );

                if ( pElement->eVDCType == VDC_REAL )
                {
                    aRadius.X = (double)ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                }
                else
                {
                    aRadius.X = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                }

                ImplMapDouble( aRadius.X );
                aRadius.Y = aRadius.X;

                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                if ( mbAngReverse )
                    ImplSwitchStartEndAngle( fStartAngle, fEndAngle );

                if ( mbFigure )
                {
                    Rectangle aBoundingBox(
                        Point( (long)( aCenter.X - aRadius.X ), long( aCenter.Y - aRadius.X ) ),
                        Size( static_cast< long >( 2 * aRadius.X ), (long)( 2 * aRadius.X ) ) );
                    Polygon aPolygon( aBoundingBox,
                        Point( (long)vector[ 0 ], (long)vector[ 1 ] ),
                        Point( (long)vector[ 2 ], (long)vector[ 3 ] ), POLY_ARC );
                    mpOutAct->RegPolyLine( aPolygon );
                }
                else
                {
                    fOrientation = 0;
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation, 2, fStartAngle, fEndAngle );
                }
                mnParaSize = mnElementSize;

            }
            break;

            case 0x10 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Circular Arc Centre Close" )
            {
                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetPoint( aCenter, sal_True );
                ImplGetVector( &vector[ 0 ] );
                if ( pElement->eVDCType == VDC_REAL )
                {
                    aRadius.X = (double)ImplGetFloat( pElement->eVDCRealPrecision, pElement->nVDCRealSize );
                }
                else
                {
                    aRadius.X = (double)ImplGetI( pElement->nVDCIntegerPrecision );
                }
                ImplMapDouble( aRadius.X );
                aRadius.Y = aRadius.X;
                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                if ( mbAngReverse )
                    ImplSwitchStartEndAngle( fStartAngle, fEndAngle );


                sal_uInt32 nType = ImplGetUI16();
                if ( nType == 0 )
                    nType = 0;          // is PIE
                else
                    nType = 1;          // is CHORD
                fOrientation = 0;

                mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                            nType, fStartAngle, fEndAngle );
                mnParaSize = mnElementSize;
            }
            break;

            case 0x11 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Ellipse" )
            {
                double fOrientation;
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                ImplGetEllipse( aCenter, aRadius, fOrientation ) ;
                mpOutAct->DrawEllipse( aCenter, aRadius, fOrientation ) ;
            }
            break;

            case 0x12 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Elliptical Arc" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();

                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_Bool bDirection = ImplGetEllipse( aCenter, aRadius, fOrientation );
                ImplGetVector( &vector[ 0 ] );

                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                if ( bDirection )
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                2, fStartAngle, fEndAngle );
                else
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                2, fEndAngle, fStartAngle);
            }
            break;

            case 0x13 : ComOut( CGM_LEVEL1 | CGM_EXTENDED_PRIMITIVES_SET, "Elliptical Arc Close" )
            {
                double fOrientation, fStartAngle, fEndAngle, vector[ 4 ];
                FloatPoint aCenter, aRadius;

                if ( mbFigure )
                    mpOutAct->CloseRegion();

                sal_Bool bDirection = ImplGetEllipse( aCenter, aRadius, fOrientation );
                ImplGetVector( &vector[ 0 ] );

                fStartAngle = acos( vector[ 0 ] / sqrt( vector[ 0 ] * vector[ 0 ] + vector[ 1 ] * vector[ 1 ] ) ) * 57.29577951308;
                fEndAngle = acos( vector[ 2 ] / sqrt( vector[ 2 ] * vector[ 2 ] + vector[ 3 ] * vector[ 3 ] ) ) * 57.29577951308;

                if ( vector[ 1 ] > 0 )
                    fStartAngle = 360 - fStartAngle;
                if ( vector[ 3 ] > 0 )
                    fEndAngle = 360 - fEndAngle;

                sal_uInt32 nType = ImplGetUI16();
                if ( nType == 0 )
                    nType = 0;          // is PIE
                else
                    nType = 1;          // is CHORD

                if ( bDirection )
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                nType, fStartAngle, fEndAngle );
                else
                    mpOutAct->DrawEllipticalArc( aCenter, aRadius, fOrientation,
                                nType, fEndAngle, fStartAngle);
            }
            break;
            case 0x14 : ComOut( CGM_LEVEL2, "Circular Arc Centre Reversed" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x15 : ComOut( CGM_LEVEL2, "Connection Edge" )                         // NS
            {
//              if ( mbFigure )
//                  mpOutAct->CloseRegion();
            }
            break;
            case 0x16 : ComOut( CGM_LEVEL3, "Hyperbolic Arc" )                          // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x17 : ComOut( CGM_LEVEL3, "Parabolic Arc" )                           // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x18 : ComOut( CGM_LEVEL3, "Non Uniform B-Spline" )                    // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x19 : ComOut( CGM_LEVEL3, "Non Uniform Rational B-Spline" )           // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1a : ComOut( CGM_LEVEL3, "Polybezier" )
            {
                sal_uInt32 i, nOrder, nNumberOfPoints;

                nOrder = ImplGetI( pElement->nIntegerPrecision );

                nNumberOfPoints = ( mnElementSize - pElement->nIntegerPrecision ) / ImplGetPointSize();

                Polygon aPolygon( nNumberOfPoints );

                for ( i = 0; i < nNumberOfPoints; i++)
                {
                    FloatPoint  aFloatPoint;
                    ImplGetPoint( aFloatPoint, sal_True );
                    aPolygon.SetPoint( Point ( (long)( aFloatPoint.X ), (long)( aFloatPoint.Y ) ), i );
                }
                if ( nOrder & 4 )
                {
                    for ( i = 0; i < nNumberOfPoints; i++ )
                    {
                        if ( ( i % 3 ) == 0 )
                            aPolygon.SetFlags( i, POLY_NORMAL );
                        else
                            aPolygon.SetFlags( i, POLY_CONTROL );
                    }
                }
                else
                {
                    for ( i = 0; i < nNumberOfPoints; i++ )
                    {
                        switch ( i & 3 )
                        {
                            case 0 :
                            case 3 : aPolygon.SetFlags( i, POLY_NORMAL ); break;
                            default : aPolygon.SetFlags( i, POLY_CONTROL ); break;
                        }
                    }
                }
                if ( mbFigure )
                    mpOutAct->RegPolyLine( aPolygon );
                else
                    mpOutAct->DrawPolybezier( aPolygon );
                mnParaSize = mnElementSize;
            }
            break;

            case 0x1b : ComOut( CGM_LEVEL3, "Polysymbol" )                              // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1c : ComOut( CGM_LEVEL3, "Bitonal Tile" )                            // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1d : ComOut( CGM_LEVEL3, "Tile" )                                    // NS
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0x1e : ComOut( CGM_UNKNOWN_LEVEL, "Insert Object" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xff : ComOut( CGM_GDSF_ONLY, "Polybezier" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfe : ComOut( CGM_GDSF_ONLY, "Sharp Polybezier" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfd : ComOut( CGM_GDSF_ONLY, "Polyspline" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfc : ComOut( CGM_GDSF_ONLY, "Reounded Rectangle" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfb : ComOut( CGM_GDSF_ONLY, "Begin Cell Array" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xfa : ComOut( CGM_GDSF_ONLY, "End Cell Array" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf9 : ComOut( CGM_GDSF_ONLY, "Insert File" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf8 : ComOut( CGM_GDSF_ONLY, "Block Text" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf7 : ComOut( CGM_GDSF_ONLY, "Variable Width Polyline" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf6 : ComOut( CGM_GDSF_ONLY, "Elliptical Arc 3 Point" )
            {
                if ( mbFigure )
                    mpOutAct->CloseRegion();
            }
            break;
            case 0xf1 : ComOut( CGM_GDSF_ONLY, "Hyperlink Definition" ) break;
            default: ComOut( CGM_UNKNOWN_COMMAND, "" ) break;
        }
    }
    else
        mnParaSize = mnElementSize;
};



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