libreoffice/svx/source/customshapes/EnhancedCustomShapeEngine.cxx

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 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: EnhancedCustomShapeEngine.cxx,v $
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include "EnhancedCustomShapeEngine.hxx"
#include "EnhancedCustomShape2d.hxx"
#include "EnhancedCustomShape3d.hxx"
#include "EnhancedCustomShapeFontWork.hxx"
#include "EnhancedCustomShapeHandle.hxx"
#include "EnhancedCustomShapeGeometry.hxx"
#include <svx/unoshape.hxx>
#ifndef _SVX_UNOPAGE_HXX
#include "svx/unopage.hxx"
#endif
#include "unoapi.hxx"
#include <svx/svdobj.hxx>
#include <svx/svdoashp.hxx>
#include <svx/svdogrp.hxx>
#include <svx/svdorect.hxx>
#include <svx/outlobj.hxx>
#include <svx/outliner.hxx>
#include <svx/svdoutl.hxx>
#include <svtools/itemset.hxx>
#include <svx/svdopath.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdmodel.hxx>
#include "svditer.hxx"
#include "unopolyhelper.hxx"
#include <uno/mapping.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>

// ---------------------------
// - EnhancedCustomShapeEngine -
// ---------------------------

rtl::OUString EnhancedCustomShapeEngine_getImplementationName()
    throw( NMSP_UNO::RuntimeException )
{
    return B2UCONST( "com.sun.star.drawing.EnhancedCustomShapeEngine" );
}
sal_Bool SAL_CALL EnhancedCustomShapeEngine_supportsService( const rtl::OUString& ServiceName )
    throw( NMSP_UNO::RuntimeException )
{
    return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM( "com.sun.star.drawing.CustomShapeEngine" ) );
}
SEQ( rtl::OUString ) SAL_CALL EnhancedCustomShapeEngine_getSupportedServiceNames()
    throw( NMSP_UNO::RuntimeException )
{
    SEQ( rtl::OUString ) aRet(1);
    rtl::OUString* pArray = aRet.getArray();
    pArray[0] = B2UCONST( "com.sun.star.drawing.CustomShapeEngine" );
    return aRet;
}

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

EnhancedCustomShapeEngine::EnhancedCustomShapeEngine( const REF( NMSP_LANG::XMultiServiceFactory )& rxMgr ) :
    mxFact                  ( rxMgr ),
    mbForceGroupWithText    ( sal_False )
{
}
EnhancedCustomShapeEngine::~EnhancedCustomShapeEngine()
{
}

// XInterface -----------------------------------------------------------------

void SAL_CALL EnhancedCustomShapeEngine::acquire() throw()
{
    OWeakObject::acquire();
}
void SAL_CALL EnhancedCustomShapeEngine::release() throw()
{
    OWeakObject::release();
}

// XInitialization ------------------------------------------------------------

void SAL_CALL EnhancedCustomShapeEngine::initialize( const SEQ( NMSP_UNO::Any )& aArguments )
    throw ( NMSP_UNO::Exception, NMSP_UNO::RuntimeException )
{
    sal_Int32 i;
    SEQ( NMSP_BEANS::PropertyValue ) aParameter;
    for ( i = 0; i < aArguments.getLength(); i++ )
    {
        if ( aArguments[ i ] >>= aParameter )
            break;
    }
    for ( i = 0; i < aParameter.getLength(); i++ )
    {
        const NMSP_BEANS::PropertyValue& rProp = aParameter[ i ];
        if ( rProp.Name.equalsAscii( "CustomShape" ) )
            rProp.Value >>= mxShape;
        else if ( rProp.Name.equalsAscii( "ForceGroupWithText" ) )
            rProp.Value >>= mbForceGroupWithText;
    }
}

// XServiceInfo ---------------------------------------------------------------

rtl::OUString SAL_CALL EnhancedCustomShapeEngine::getImplementationName()
    throw( NMSP_UNO::RuntimeException )
{
    return EnhancedCustomShapeEngine_getImplementationName();
}
sal_Bool SAL_CALL EnhancedCustomShapeEngine::supportsService( const rtl::OUString& rServiceName )
    throw( NMSP_UNO::RuntimeException )
{
    return EnhancedCustomShapeEngine_supportsService( rServiceName );
}
SEQ( rtl::OUString ) SAL_CALL EnhancedCustomShapeEngine::getSupportedServiceNames()
    throw ( NMSP_UNO::RuntimeException )
{
    return EnhancedCustomShapeEngine_getSupportedServiceNames();
}

// XCustomShapeEngine -----------------------------------------------------------

SdrObject* EnhancedCustomShapeEngine::ImplForceGroupWithText( const SdrObjCustomShape* pCustoObj, SdrObject* pRenderedShape )
{
    bool bHasText = pCustoObj->HasText();
    if ( pRenderedShape || bHasText )
    {
        // applying shadow
        const SdrObject* pShadowGeometry = pCustoObj->GetSdrObjectShadowFromCustomShape();
        if ( pShadowGeometry )
        {
            if ( pRenderedShape )
            {
                if ( !pRenderedShape->ISA( SdrObjGroup ) )
                {
                    SdrObject* pTmp = pRenderedShape;
                    pRenderedShape = new SdrObjGroup();
                    ((SdrObjGroup*)pRenderedShape)->GetSubList()->NbcInsertObject( pTmp );
                }
                ((SdrObjGroup*)pRenderedShape)->GetSubList()->NbcInsertObject( pShadowGeometry->Clone(), 0 );
            }
            else
                pRenderedShape = pShadowGeometry->Clone();
        }

        // apply text
        if ( bHasText )
        {
            // #i37011# also create a text object and add at rPos + 1
            SdrTextObj* pTextObj = (SdrTextObj*)SdrObjFactory::MakeNewObject(
                pCustoObj->GetObjInventor(), OBJ_TEXT, 0L, pCustoObj->GetModel());

            // Copy text content
            OutlinerParaObject* pParaObj = pCustoObj->GetOutlinerParaObject();
            if( pParaObj )
                pTextObj->NbcSetOutlinerParaObject( new OutlinerParaObject(*pParaObj) );

            // copy all attributes
            SfxItemSet aTargetItemSet( pCustoObj->GetMergedItemSet() );

            // clear fill and line style
            aTargetItemSet.Put(XLineStyleItem(XLINE_NONE));
            aTargetItemSet.Put(XFillStyleItem(XFILL_NONE));

            // get the text bounds and set at text object
            Rectangle aTextBounds = pCustoObj->GetSnapRect();
            SdrObject* pSdrObjCustomShape( GetSdrObjectFromXShape( mxShape ) );
            if ( pSdrObjCustomShape )
            {
                EnhancedCustomShape2d aCustomShape2d( pSdrObjCustomShape );
                aTextBounds = aCustomShape2d.GetTextRect();
            }
            pTextObj->SetSnapRect( aTextBounds );

            // if rotated, copy GeoStat, too.
            const GeoStat& rSourceGeo = pCustoObj->GetGeoStat();
            if ( rSourceGeo.nDrehWink )
            {
                pTextObj->NbcRotate(
                    pCustoObj->GetSnapRect().Center(), rSourceGeo.nDrehWink,
                    rSourceGeo.nSin, rSourceGeo.nCos);
            }

            // set modified ItemSet at text object
            pTextObj->SetMergedItemSet(aTargetItemSet);

            if ( pRenderedShape )
            {
                if ( !pRenderedShape->ISA( SdrObjGroup ) )
                {
                    SdrObject* pTmp = pRenderedShape;
                    pRenderedShape = new SdrObjGroup();
                    ((SdrObjGroup*)pRenderedShape)->GetSubList()->NbcInsertObject( pTmp );
                }
                ((SdrObjGroup*)pRenderedShape)->GetSubList()->NbcInsertObject( pTextObj, LIST_APPEND );
            }
            else
                pRenderedShape = pTextObj;
        }

        // force group
        if ( pRenderedShape )
        {
            if ( !pRenderedShape->ISA( SdrObjGroup ) )
            {
                SdrObject* pTmp = pRenderedShape;
                pRenderedShape = new SdrObjGroup();
                ((SdrObjGroup*)pRenderedShape)->GetSubList()->NbcInsertObject( pTmp );
            }
            pRenderedShape->SetPage( pCustoObj->GetPage() );
            pRenderedShape->SetModel( pCustoObj->GetModel() );
        }
    }
    return pRenderedShape;
}

void SetTemporary( ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape >& xShape )
{
    if ( xShape.is() )
    {
        SvxShape* pShape = SvxShape::getImplementation( xShape );
        if ( pShape )
            pShape->TakeSdrObjectOwnership();
/*
        ::com::sun::star::uno::Reference<
            ::com::sun::star::drawing::XShapes > xShapes( xShape, ::com::sun::star::uno::UNO_QUERY );
        if ( xShapes.is() )
        {
            sal_Int32 i;
            for ( i = 0; i < xShapes->getCount(); i++ )
            {
                ::com::sun::star::uno::Any aAny( xShapes->getByIndex( i ) );
                ::com::sun::star::uno::Reference< ::com::sun::star::drawing::XShape > xShape;
                if ( aAny >>= xShape )
                    SetTemporary( xShape );
            }
        }
*/
    }
}

REF( com::sun::star::drawing::XShape ) SAL_CALL EnhancedCustomShapeEngine::render()
    throw ( NMSP_UNO::RuntimeException )
{
    REF( com::sun::star::drawing::XShape ) xShape;
    SdrObject* pSdrObjCustomShape( GetSdrObjectFromXShape( mxShape ) );
    if ( pSdrObjCustomShape )
    {
        // retrieving the TextPath property to check if feature is enabled
        SdrCustomShapeGeometryItem& rGeometryItem = (SdrCustomShapeGeometryItem&)
            pSdrObjCustomShape->GetMergedItem( SDRATTR_CUSTOMSHAPE_GEOMETRY );
        sal_Bool bTextPathOn = sal_False;
        const rtl::OUString sTextPath( RTL_CONSTASCII_USTRINGPARAM ( "TextPath" ) );
        com::sun::star::uno::Any* pAny = rGeometryItem.GetPropertyValueByName( sTextPath, sTextPath );
        if ( pAny )
            *pAny >>= bTextPathOn;

        EnhancedCustomShape2d aCustomShape2d( pSdrObjCustomShape );
        sal_Int32 nRotateAngle = aCustomShape2d.GetRotateAngle();

        sal_Bool bFlipV = aCustomShape2d.IsFlipVert();
        sal_Bool bFlipH = aCustomShape2d.IsFlipHorz();
        sal_Bool bLineGeometryNeededOnly = bTextPathOn;

        SdrObject* pRenderedShape = aCustomShape2d.CreateObject( bLineGeometryNeededOnly );
        if ( pRenderedShape )
        {
            if ( bTextPathOn )
            {
                SdrObject* pRenderedFontWork = EnhancedCustomShapeFontWork::CreateFontWork( pRenderedShape, pSdrObjCustomShape );
                if ( pRenderedFontWork )
                {
                    SdrObject::Free( pRenderedShape );
                    pRenderedShape = pRenderedFontWork;
                }
            }
            SdrObject* pRenderedShape3d = EnhancedCustomShape3d::Create3DObject( pRenderedShape, pSdrObjCustomShape );
            if ( pRenderedShape3d )
            {
                bFlipV = bFlipH = sal_False;
                nRotateAngle = 0;
                SdrObject::Free( pRenderedShape );
                pRenderedShape = pRenderedShape3d;
            }
            Rectangle aRect( pSdrObjCustomShape->GetSnapRect() );

            const GeoStat& rGeoStat = ((SdrObjCustomShape*)pSdrObjCustomShape)->GetGeoStat();
            if ( rGeoStat.nShearWink )
            {
                long nShearWink = rGeoStat.nShearWink;
                double nTan = rGeoStat.nTan;
                if ((bFlipV&&!bFlipH )||(bFlipH&&!bFlipV))
                {
                    nShearWink = -nShearWink;
                    nTan = -nTan;
                }
                pRenderedShape->Shear( pSdrObjCustomShape->GetSnapRect().Center(), nShearWink, nTan, FALSE);
            }
            if( nRotateAngle )
            {
                double a = nRotateAngle * F_PI18000;
                pRenderedShape->NbcRotate( pSdrObjCustomShape->GetSnapRect().Center(), nRotateAngle, sin( a ), cos( a ) );
            }
            if ( bFlipV )
            {
                Point aLeft( aRect.Left(), ( aRect.Top() + aRect.Bottom() ) >> 1 );
                Point aRight( aLeft.X() + 1000, aLeft.Y() );
                pRenderedShape->NbcMirror( aLeft, aRight );
            }
            if ( bFlipH )
            {
                Point aTop( ( aRect.Left() + aRect.Right() ) >> 1, aRect.Top() );
                Point aBottom( aTop.X(), aTop.Y() + 1000 );
                pRenderedShape->NbcMirror( aTop, aBottom );
            }
            pRenderedShape->NbcSetStyleSheet( pSdrObjCustomShape->GetStyleSheet(), sal_True );
            pRenderedShape->RecalcSnapRect();
        }

        if ( mbForceGroupWithText )
            pRenderedShape = ImplForceGroupWithText( (SdrObjCustomShape*)pSdrObjCustomShape, pRenderedShape );

        if ( pRenderedShape )
        {
            aCustomShape2d.ApplyGluePoints( pRenderedShape );
            xShape = SvxDrawPage::CreateShapeByTypeAndInventor( pRenderedShape->GetObjIdentifier(),
                pRenderedShape->GetObjInventor(), pRenderedShape, NULL );
        }
        SetTemporary( xShape );
    }
    return xShape;
}

com::sun::star::awt::Rectangle SAL_CALL EnhancedCustomShapeEngine::getTextBounds()
    throw ( NMSP_UNO::RuntimeException )
{
    com::sun::star::awt::Rectangle aTextRect;
    SdrObject* pSdrObjCustomShape( GetSdrObjectFromXShape( mxShape ) );
    if ( pSdrObjCustomShape && pSdrObjCustomShape->GetModel() && !pSdrObjCustomShape->GetModel()->isLocked() )
    {
        if ( pSdrObjCustomShape )
        {
            EnhancedCustomShape2d aCustomShape2d( pSdrObjCustomShape );
            Rectangle aRect( aCustomShape2d.GetTextRect() );
            aTextRect.X = aRect.Left();
            aTextRect.Y = aRect.Top();
            aTextRect.Width = aRect.GetWidth();
            aTextRect.Height = aRect.GetHeight();
        }
    }
    return aTextRect;
}

com::sun::star::drawing::PolyPolygonBezierCoords SAL_CALL EnhancedCustomShapeEngine::getLineGeometry()
    throw ( NMSP_UNO::RuntimeException )
{
    com::sun::star::drawing::PolyPolygonBezierCoords aPolyPolygonBezierCoords;
    SdrObject* pSdrObjCustomShape( GetSdrObjectFromXShape( mxShape ) );
    if ( pSdrObjCustomShape )
    {
        EnhancedCustomShape2d aCustomShape2d( pSdrObjCustomShape );
        SdrObject* pObj = aCustomShape2d.CreateLineGeometry();
        if ( pObj )
        {
            Rectangle aRect( pSdrObjCustomShape->GetSnapRect() );
            sal_Bool bFlipV = aCustomShape2d.IsFlipVert();
            sal_Bool bFlipH = aCustomShape2d.IsFlipHorz();

            const GeoStat& rGeoStat = ((SdrObjCustomShape*)pSdrObjCustomShape)->GetGeoStat();
            if ( rGeoStat.nShearWink )
            {
                long nShearWink = rGeoStat.nShearWink;
                double nTan = rGeoStat.nTan;
                if ((bFlipV&&!bFlipH )||(bFlipH&&!bFlipV))
                {
                    nShearWink = -nShearWink;
                    nTan = -nTan;
                }
                pObj->Shear( aRect.Center(), nShearWink, nTan, FALSE);
            }
            sal_Int32 nRotateAngle = aCustomShape2d.GetRotateAngle();
            if( nRotateAngle )
            {
                double a = nRotateAngle * F_PI18000;
                pObj->NbcRotate( aRect.Center(), nRotateAngle, sin( a ), cos( a ) );
            }
            if ( bFlipH )
            {
                Point aTop( ( aRect.Left() + aRect.Right() ) >> 1, aRect.Top() );
                Point aBottom( aTop.X(), aTop.Y() + 1000 );
                pObj->NbcMirror( aTop, aBottom );
            }
            if ( bFlipV )
            {
                Point aLeft( aRect.Left(), ( aRect.Top() + aRect.Bottom() ) >> 1 );
                Point aRight( aLeft.X() + 1000, aLeft.Y() );
                pObj->NbcMirror( aLeft, aRight );
            }

            basegfx::B2DPolyPolygon aPolyPolygon;
            SdrObjListIter aIter( *pObj, IM_DEEPWITHGROUPS );

            while ( aIter.IsMore() )
            {
                SdrObject* pNewObj = NULL;
                basegfx::B2DPolyPolygon aPP;
                const SdrObject* pNext = aIter.Next();

                if ( pNext->ISA( SdrPathObj ) )
                {
                    aPP = ((SdrPathObj*)pNext)->GetPathPoly();
                }
                else
                {
                    pNewObj = pNext->ConvertToPolyObj( FALSE, FALSE );
                    SdrPathObj* pPath = PTR_CAST( SdrPathObj, pNewObj );
                    if ( pPath )
                        aPP = pPath->GetPathPoly();
                }

                if ( aPP.count() )
                    aPolyPolygon.append(aPP);

                SdrObject::Free( pNewObj );
            }
            SdrObject::Free( pObj );
            SvxConvertB2DPolyPolygonToPolyPolygonBezier( aPolyPolygon, aPolyPolygonBezierCoords );
        }
    }

    return aPolyPolygonBezierCoords;
}

SEQ( REF( com::sun::star::drawing::XCustomShapeHandle ) ) SAL_CALL EnhancedCustomShapeEngine::getInteraction()
    throw ( NMSP_UNO::RuntimeException )
{
    sal_uInt32 i, nHdlCount = 0;
    SdrObject* pSdrObjCustomShape = GetSdrObjectFromXShape( mxShape );
    if ( pSdrObjCustomShape )
    {
        EnhancedCustomShape2d aCustomShape2d( pSdrObjCustomShape );
        nHdlCount = aCustomShape2d.GetHdlCount();
    }
    SEQ( REF( com::sun::star::drawing::XCustomShapeHandle ) ) aSeq( nHdlCount );
    for ( i = 0; i < nHdlCount; i++ )
        aSeq[ i ] = new EnhancedCustomShapeHandle( mxShape, i );
    return aSeq;
}