xref: /aoo41x/main/drawinglayer/source/processor2d/vclmetafileprocessor2d.cxx (revision 78137d97)

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 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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 * with the License.  You may obtain a copy of the License at
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/processor2d/vclmetafileprocessor2d.hxx>
#include <tools/gen.hxx>
#include <vcl/virdev.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/gradient.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygonclipper.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
#include <drawinglayer/processor2d/vclpixelprocessor2d.hxx>
#include <tools/stream.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
#include <vcl/graphictools.hxx>
#include <vcl/metaact.hxx>
#include <drawinglayer/primitive2d/texthierarchyprimitive2d.hxx>
#include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
#include <comphelper/processfactory.hxx>
#include <rtl/ustring.hxx>
#include <com/sun/star/i18n/CharacterIteratorMode.hdl>
#include <com/sun/star/i18n/WordType.hpp>
#include <drawinglayer/primitive2d/controlprimitive2d.hxx>
#include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/pagepreviewprimitive2d.hxx>
#include <drawinglayer/primitive2d/epsprimitive2d.hxx>
#include <basegfx/polygon/b2dlinegeometry.hxx>

//////////////////////////////////////////////////////////////////////////////
// for PDFExtOutDevData Graphic support

#include <vcl/graph.hxx>
#include <vcl/svapp.hxx>
#include <toolkit/helper/formpdfexport.hxx>

//////////////////////////////////////////////////////////////////////////////
// for Control printing

#include <com/sun/star/beans/XPropertySet.hpp>

//////////////////////////////////////////////////////////////////////////////
// for StructureTagPrimitive support in sd's unomodel.cxx

#include <drawinglayer/primitive2d/structuretagprimitive2d.hxx>

//////////////////////////////////////////////////////////////////////////////

using namespace com::sun::star;

//////////////////////////////////////////////////////////////////////////////
// #112245# definition for maximum allowed point count due to Metafile target.
// To be on the safe side with the old tools polygon, use slightly less then
// the theoretical maximum (bad experiences with tools polygon)

#define MAX_POLYGON_POINT_COUNT_METAFILE    (0x0000fff0)

//////////////////////////////////////////////////////////////////////////////

namespace
{
    // #112245# helper to split line polygon in half
    void splitLinePolygon(
        const basegfx::B2DPolygon& rBasePolygon,
        basegfx::B2DPolygon& o_aLeft,
        basegfx::B2DPolygon& o_aRight)
    {
        const sal_uInt32 nCount(rBasePolygon.count());

        if(nCount)
        {
            const sal_uInt32 nHalfCount((nCount - 1) >> 1);

            o_aLeft = basegfx::B2DPolygon(rBasePolygon, 0, nHalfCount + 1);
            o_aLeft.setClosed(false);

            o_aRight = basegfx::B2DPolygon(rBasePolygon, nHalfCount, nCount - nHalfCount);
            o_aRight.setClosed(false);

            if(rBasePolygon.isClosed())
            {
                o_aRight.append(rBasePolygon.getB2DPoint(0));

                if(rBasePolygon.areControlPointsUsed())
                {
                    o_aRight.setControlPoints(
                        o_aRight.count() - 1,
                        rBasePolygon.getPrevControlPoint(0),
                        rBasePolygon.getNextControlPoint(0));
                }
            }
        }
        else
        {
            o_aLeft.clear();
            o_aRight.clear();
        }
    }

    // #112245# helper to evtl. split filled polygons to maximum metafile point count
    bool fillPolyPolygonNeededToBeSplit(basegfx::B2DPolyPolygon& rPolyPolygon)
    {
        bool bRetval(false);
        const sal_uInt32 nPolyCount(rPolyPolygon.count());

        if(nPolyCount)
        {
            basegfx::B2DPolyPolygon aSplitted;

            for(sal_uInt32 a(0); a < nPolyCount; a++)
            {
                const basegfx::B2DPolygon aCandidate(rPolyPolygon.getB2DPolygon(a));
                const sal_uInt32 nPointCount(aCandidate.count());
                bool bNeedToSplit(false);

                if(aCandidate.areControlPointsUsed())
                {
                    // compare with the maximum for bezier curved polygons
            		bNeedToSplit = nPointCount > ((MAX_POLYGON_POINT_COUNT_METAFILE / 3L) - 1L);
                }
                else
                {
                    // compare with the maximum for simple point polygons
                    bNeedToSplit = nPointCount > (MAX_POLYGON_POINT_COUNT_METAFILE - 1);
                }

                if(bNeedToSplit)
                {
                    // need to split the partial polygon
                    const basegfx::B2DRange aRange(aCandidate.getB2DRange());
            		const basegfx::B2DPoint aCenter(aRange.getCenter());

                    if(aRange.getWidth() > aRange.getHeight())
                    {
                        // clip in left and right
                        const basegfx::B2DPolyPolygon aLeft(
                            basegfx::tools::clipPolygonOnParallelAxis(
                                aCandidate,
                                false,
                                true,
                                aCenter.getX(),
                                false));
                        const basegfx::B2DPolyPolygon aRight(
                            basegfx::tools::clipPolygonOnParallelAxis(
                                aCandidate,
                                false,
                                false,
                                aCenter.getX(),
                                false));

                        aSplitted.append(aLeft);
                        aSplitted.append(aRight);
                    }
                    else
                    {
                        // clip in top and bottom
                        const basegfx::B2DPolyPolygon aTop(
                            basegfx::tools::clipPolygonOnParallelAxis(
                                aCandidate,
                                true,
                                true,
                                aCenter.getY(),
                                false));
                        const basegfx::B2DPolyPolygon aBottom(
                            basegfx::tools::clipPolygonOnParallelAxis(
                                aCandidate,
                                true,
                                false,
                                aCenter.getY(),
                                false));

                        aSplitted.append(aTop);
                        aSplitted.append(aBottom);
                    }
                }
                else
                {
                    aSplitted.append(aCandidate);
                }
            }

            if(aSplitted.count() != nPolyCount)
            {
                rPolyPolygon = aSplitted;
            }
        }

        return bRetval;
    }
} // end of anonymous namespace

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
	namespace processor2d
	{
        Rectangle VclMetafileProcessor2D::impDumpToMetaFile(
			const primitive2d::Primitive2DSequence& rContent,
			GDIMetaFile& o_rContentMetafile)
        {
            // Prepare VDev, MetaFile and connections
			OutputDevice* pLastOutputDevice = mpOutputDevice;
            GDIMetaFile* pLastMetafile = mpMetaFile;
			basegfx::B2DRange aPrimitiveRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rContent, getViewInformation2D()));

			// transform primitive range with current transformation (e.g shadow offset)
			aPrimitiveRange.transform(maCurrentTransformation);

			const Rectangle aPrimitiveRectangle(
				basegfx::fround(aPrimitiveRange.getMinX()), basegfx::fround(aPrimitiveRange.getMinY()),
				basegfx::fround(aPrimitiveRange.getMaxX()), basegfx::fround(aPrimitiveRange.getMaxY()));
			VirtualDevice aContentVDev;
			MapMode aNewMapMode(pLastOutputDevice->GetMapMode());

			mpOutputDevice = &aContentVDev;
            mpMetaFile = &o_rContentMetafile;
			aContentVDev.EnableOutput(false);
			aContentVDev.SetMapMode(pLastOutputDevice->GetMapMode());
			o_rContentMetafile.Record(&aContentVDev);
			aContentVDev.SetLineColor(pLastOutputDevice->GetLineColor());
			aContentVDev.SetFillColor(pLastOutputDevice->GetFillColor());
			aContentVDev.SetFont(pLastOutputDevice->GetFont());
			aContentVDev.SetDrawMode(pLastOutputDevice->GetDrawMode());
			aContentVDev.SetSettings(pLastOutputDevice->GetSettings());
			aContentVDev.SetRefPoint(pLastOutputDevice->GetRefPoint());

            // dump to MetaFile
			process(rContent);

            // cleanups
			o_rContentMetafile.Stop();
			o_rContentMetafile.WindStart();
			aNewMapMode.SetOrigin(aPrimitiveRectangle.TopLeft());
			o_rContentMetafile.SetPrefMapMode(aNewMapMode);
			o_rContentMetafile.SetPrefSize(aPrimitiveRectangle.GetSize());
			mpOutputDevice = pLastOutputDevice;
            mpMetaFile = pLastMetafile;

            return aPrimitiveRectangle;
        }

		void VclMetafileProcessor2D::impConvertFillGradientAttributeToVCLGradient(
			Gradient& o_rVCLGradient,
			const attribute::FillGradientAttribute& rFiGrAtt,
			bool bIsTransparenceGradient)
        {
			if(bIsTransparenceGradient)
			{
				// it's about transparence channel intensities (black/white), do not use color modifier
			    o_rVCLGradient.SetStartColor(Color(rFiGrAtt.getStartColor()));
			    o_rVCLGradient.SetEndColor(Color(rFiGrAtt.getEndColor()));
			}
			else
			{
				// use color modifier to influence start/end color of gradient
			    o_rVCLGradient.SetStartColor(Color(maBColorModifierStack.getModifiedColor(rFiGrAtt.getStartColor())));
			    o_rVCLGradient.SetEndColor(Color(maBColorModifierStack.getModifiedColor(rFiGrAtt.getEndColor())));
			}

            o_rVCLGradient.SetAngle(static_cast< sal_uInt16 >(rFiGrAtt.getAngle() * (1.0 / F_PI1800)));
            o_rVCLGradient.SetBorder(static_cast< sal_uInt16 >(rFiGrAtt.getBorder() * 100.0));
		    o_rVCLGradient.SetOfsX(static_cast< sal_uInt16 >(rFiGrAtt.getOffsetX() * 100.0));
		    o_rVCLGradient.SetOfsY(static_cast< sal_uInt16 >(rFiGrAtt.getOffsetY() * 100.0));
		    o_rVCLGradient.SetSteps(rFiGrAtt.getSteps());

            // defaults for intensity; those were computed into the start/end colors already
		    o_rVCLGradient.SetStartIntensity(100);
		    o_rVCLGradient.SetEndIntensity(100);

            switch(rFiGrAtt.getStyle())
            {
                default : // attribute::GRADIENTSTYLE_LINEAR :
                {
                    o_rVCLGradient.SetStyle(GRADIENT_LINEAR);
                    break;
                }
                case attribute::GRADIENTSTYLE_AXIAL :
                {
                    o_rVCLGradient.SetStyle(GRADIENT_AXIAL);
                    break;
                }
                case attribute::GRADIENTSTYLE_RADIAL :
                {
                    o_rVCLGradient.SetStyle(GRADIENT_RADIAL);
                    break;
                }
                case attribute::GRADIENTSTYLE_ELLIPTICAL :
                {
                    o_rVCLGradient.SetStyle(GRADIENT_ELLIPTICAL);
                    break;
                }
                case attribute::GRADIENTSTYLE_SQUARE :
                {
                    o_rVCLGradient.SetStyle(GRADIENT_SQUARE);
                    break;
                }
                case attribute::GRADIENTSTYLE_RECT :
                {
                    o_rVCLGradient.SetStyle(GRADIENT_RECT);
                    break;
                }
            }
        }

		void VclMetafileProcessor2D::impStartSvtGraphicFill(SvtGraphicFill* pSvtGraphicFill)
		{
			if(pSvtGraphicFill && !mnSvtGraphicFillCount)
			{
				SvMemoryStream aMemStm;

				aMemStm << *pSvtGraphicFill;
				mpMetaFile->AddAction(new MetaCommentAction("XPATHFILL_SEQ_BEGIN", 0, static_cast< const sal_uInt8* >(aMemStm.GetData()), aMemStm.Seek(STREAM_SEEK_TO_END)));
				mnSvtGraphicFillCount++;
			}
		}

		void VclMetafileProcessor2D::impEndSvtGraphicFill(SvtGraphicFill* pSvtGraphicFill)
		{
			if(pSvtGraphicFill && mnSvtGraphicFillCount)
			{
				mnSvtGraphicFillCount--;
				mpMetaFile->AddAction(new MetaCommentAction("XPATHFILL_SEQ_END"));
				delete pSvtGraphicFill;
			}
		}

		SvtGraphicStroke* VclMetafileProcessor2D::impTryToCreateSvtGraphicStroke(
			const basegfx::B2DPolygon& rB2DPolygon,
			const basegfx::BColor* pColor,
			const attribute::LineAttribute* pLineAttribute,
			const attribute::StrokeAttribute* pStrokeAttribute,
			const attribute::LineStartEndAttribute* pStart,
			const attribute::LineStartEndAttribute* pEnd)
		{
			SvtGraphicStroke* pRetval = 0;

			if(rB2DPolygon.count() && !mnSvtGraphicStrokeCount)
			{
				basegfx::BColor aStrokeColor;
				basegfx::B2DPolyPolygon aStartArrow;
				basegfx::B2DPolyPolygon aEndArrow;

				if(pColor)
				{
					aStrokeColor = *pColor;
				}
				else if(pLineAttribute)
				{
					aStrokeColor = maBColorModifierStack.getModifiedColor(pLineAttribute->getColor());
				}

				// It IS needed to record the stroke color at all in the metafile,
				// SvtGraphicStroke has NO entry for stroke color(!)
				mpOutputDevice->SetLineColor(Color(aStrokeColor));

				if(!rB2DPolygon.isClosed())
				{
					double fPolyLength(0.0);

					if(pStart && pStart->isActive())
					{
						fPolyLength = basegfx::tools::getLength(rB2DPolygon);

						aStartArrow = basegfx::tools::createAreaGeometryForLineStartEnd(
							rB2DPolygon, pStart->getB2DPolyPolygon(), true, pStart->getWidth(),
							fPolyLength, pStart->isCentered() ? 0.5 : 0.0, 0);
					}

					if(pEnd && pEnd->isActive())
					{
						if(basegfx::fTools::equalZero(fPolyLength))
						{
							fPolyLength = basegfx::tools::getLength(rB2DPolygon);
						}

						aEndArrow = basegfx::tools::createAreaGeometryForLineStartEnd(
							rB2DPolygon, pEnd->getB2DPolyPolygon(), false, pEnd->getWidth(),
							fPolyLength, pEnd->isCentered() ? 0.5 : 0.0, 0);
					}
				}

                SvtGraphicStroke::JoinType eJoin(SvtGraphicStroke::joinNone);
                SvtGraphicStroke::CapType eCap(SvtGraphicStroke::capButt);
				double fLineWidth(0.0);
				double fMiterLength(0.0);
				SvtGraphicStroke::DashArray aDashArray;

				if(pLineAttribute)
				{
					// pre-fill fLineWidth #119198# Need to apply maCurrentTransformation, too (!)
					const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(pLineAttribute->getWidth(), 0.0));
					fLineWidth = aDiscreteUnit.getLength();

					// pre-fill fMiterLength
					fMiterLength = fLineWidth;

					// get Join
					switch(pLineAttribute->getLineJoin())
					{
						default : // basegfx::B2DLINEJOIN_NONE :
						{
							eJoin = SvtGraphicStroke::joinNone;
							break;
						}
						case basegfx::B2DLINEJOIN_BEVEL :
						{
							eJoin = SvtGraphicStroke::joinBevel;
							break;
						}
						case basegfx::B2DLINEJOIN_MIDDLE :
						case basegfx::B2DLINEJOIN_MITER :
						{
							eJoin = SvtGraphicStroke::joinMiter;
							// ATM 15 degrees is assumed
							fMiterLength /= rtl::math::sin(M_PI * (15.0 / 360.0));
							break;
						}
						case basegfx::B2DLINEJOIN_ROUND :
						{
							eJoin = SvtGraphicStroke::joinRound;
							break;
						}
					}

                    // get stroke
                    switch(pLineAttribute->getLineCap())
                    {
                        default: /* com::sun::star::drawing::LineCap_BUTT */
                        {
                            eCap = SvtGraphicStroke::capButt;
                            break;
                        }
                        case com::sun::star::drawing::LineCap_ROUND:
                        {
                            eCap = SvtGraphicStroke::capRound;
                            break;
                        }
                        case com::sun::star::drawing::LineCap_SQUARE:
                        {
                            eCap = SvtGraphicStroke::capSquare;
                            break;
                        }
                    }
                }

				if(pStrokeAttribute)
				{
					// copy dash array
					aDashArray = pStrokeAttribute->getDotDashArray();
				}

				// #i101734# apply current object transformation to created geometry.
				// This is a partial fix. When a object transformation is used which
				// e.g. contains a scaleX != scaleY, an unproportional scaling would
				// have to be applied to the evtl. existing fat line. The current
				// concept of PDF export and SvtGraphicStroke usage does simply not
				// allow handling such definitions. The only clean way would be to
				// add the transformation to SvtGraphicStroke and to handle it there
				basegfx::B2DPolygon aB2DPolygon(rB2DPolygon);

				aB2DPolygon.transform(maCurrentTransformation);
				aStartArrow.transform(maCurrentTransformation);
				aEndArrow.transform(maCurrentTransformation);

				pRetval = new SvtGraphicStroke(
					Polygon(aB2DPolygon),
					PolyPolygon(aStartArrow),
					PolyPolygon(aEndArrow),
					mfCurrentUnifiedTransparence,
					fLineWidth,
					eCap,
					eJoin,
					fMiterLength,
					aDashArray);
			}

			return pRetval;
		}

		void VclMetafileProcessor2D::impStartSvtGraphicStroke(SvtGraphicStroke* pSvtGraphicStroke)
		{
			if(pSvtGraphicStroke && !mnSvtGraphicStrokeCount)
			{
				SvMemoryStream aMemStm;

				aMemStm << *pSvtGraphicStroke;
				mpMetaFile->AddAction(new MetaCommentAction("XPATHSTROKE_SEQ_BEGIN", 0, static_cast< const sal_uInt8* >(aMemStm.GetData()), aMemStm.Seek(STREAM_SEEK_TO_END)));
				mnSvtGraphicStrokeCount++;
			}
		}

		void VclMetafileProcessor2D::impEndSvtGraphicStroke(SvtGraphicStroke* pSvtGraphicStroke)
		{
			if(pSvtGraphicStroke && mnSvtGraphicStrokeCount)
			{
				mnSvtGraphicStrokeCount--;
				mpMetaFile->AddAction(new MetaCommentAction("XPATHSTROKE_SEQ_END"));
				delete pSvtGraphicStroke;
			}
		}

        // init static break iterator
        uno::Reference< ::com::sun::star::i18n::XBreakIterator > VclMetafileProcessor2D::mxBreakIterator;

		VclMetafileProcessor2D::VclMetafileProcessor2D(const geometry::ViewInformation2D& rViewInformation, OutputDevice& rOutDev)
		:	VclProcessor2D(rViewInformation, rOutDev),
			mpMetaFile(rOutDev.GetConnectMetaFile()),
			mnSvtGraphicFillCount(0),
			mnSvtGraphicStrokeCount(0),
			mfCurrentUnifiedTransparence(0.0),
			mpPDFExtOutDevData(dynamic_cast< vcl::PDFExtOutDevData* >(rOutDev.GetExtOutDevData()))
		{
			OSL_ENSURE(rOutDev.GetConnectMetaFile(), "VclMetafileProcessor2D: Used on OutDev which has no MetaFile Target (!)");
			// draw to logic coordinates, do not initialize maCurrentTransformation to viewTransformation
            // but only to ObjectTransformation. Do not change MapMode of destination.
			maCurrentTransformation = rViewInformation.getObjectTransformation();
		}

		VclMetafileProcessor2D::~VclMetafileProcessor2D()
		{
			// MapMode was not changed, no restore necessary
		}

        /***********************************************************************************************

            Support of MetaCommentActions in the VclMetafileProcessor2D
            Found MetaCommentActions and how they are supported:

            XGRAD_SEQ_BEGIN, XGRAD_SEQ_END:

			Used inside OutputDevice::DrawGradient to mark the start and end of a MetaGradientEx action.
            It is used in various exporters/importers to have direct access to the gradient before it
            is rendered by VCL (and thus fragmented to polygon color actions and others). On that base, e.g.
            the Metafile to SdrObject import creates it's gradient objects.
            Best (and safest) way to support it here is to use PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D,
            map it back to the corresponding tools PolyPolygon and the Gradient and just call
            OutputDevice::DrawGradient which creates the necessary compatible actions.

            XPATHFILL_SEQ_BEGIN, XPATHFILL_SEQ_END:

			Two producers, one is vcl/source/gdi/gdimtf.cxx, line 1273. There, it is transformed
            inside GDIMetaFile::Rotate, nothing to take care of here.
            The second producer is in graphics/svx/source/svdraw/impgrfll.cxx, line 374. This is used
            with each incarnation of Imp_GraphicFill when a metafile is recorded, fillstyle is not
            XFILL_NONE and not completely transparent. It creates a SvtGraphicFill and streams it
            to the comment action. A closing end token is created in the destructor.
			Usages of Imp_GraphicFill are in Do_Paint_Object-methods of SdrCircObj, SdrPathObj and
			SdrRectObj.
            The token users pick various actions from SvtGraphicFill, so it may need to be added for all kind
            of filled objects, even simple colored polygons. It is added as extra information; the
            Metafile actions between the two tokens are interpreted as output generated from those
            fills. Thus, users have the choice to use the SvtGraphicFill info or the created output
            actions.
            Even for XFillTransparenceItem it is used, thus it may need to be supported in
            UnifiedTransparencePrimitive2D, too, when interpreted as normally filled PolyPolygon.
			Implemented for:
				PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D,
				PRIMITIVE2D_ID_POLYPOLYGONHATCHPRIMITIVE2D,
				PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D,
				PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D,
				and for PRIMITIVE2D_ID_UNIFIEDTRANSPARENCEPRIMITIVE2D when detected unified transparence

            XPATHSTROKE_SEQ_BEGIN, XPATHSTROKE_SEQ_END:

			Similar to pathfill, but using SvtGraphicStroke instead. It also has two producers where one
			is also the GDIMetaFile::Rotate. Another user is MetaCommentAction::Move which modifies the
			contained path accordingly.
			The other one is SdrObject::Imp_DrawLineGeometry. It's done when MetaFile is set at OutDev and
			only when geometry is a single polygon (!). I see no reason for that; in the PS exporter this
			would hinder to make use of PolyPolygon strokes. I will need to add support at:
				PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D
				PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D
				PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D
			This can be done hierarchical, too.
			Okay, base implementation done based on those three primitives.

            FIELD_SEQ_BEGIN, FIELD_SEQ_END

            Used from slideshow for URLs, created from diverse SvxField implementations inside
            createBeginComment()/createEndComment(). createBeginComment() is used from editeng\impedit3.cxx
            inside ImpEditEngine::Paint.
            Created TextHierarchyFieldPrimitive2D and added needed infos there; it is an group primitive and wraps
            text primitives (but is not limited to that). It contains the field type if special actions for the
			support of FIELD_SEQ_BEGIN/END are needed; this is the case for Page and URL fields. If more is
			needed, it may be supported there.
            FIELD_SEQ_BEGIN;PageField
            FIELD_SEQ_END
            Okay, these are now completely supported by TextHierarchyFieldPrimitive2D. URL works, too.

            XTEXT

            XTEXT_EOC(i) end of character
            XTEXT_EOW(i) end of word
            XTEXT_EOS(i) end of sentence

            this three are with index and are created with the help of a i18n::XBreakIterator in
            ImplDrawWithComments. Simplifying, moving out text painting, reworking to create some
            data structure for holding those TEXT infos.
            Supported directly by TextSimplePortionPrimitive2D with adding a Locale to the basic text
            primitive. In the MetaFileRenderer, the creation is now done (see below). This has the advantage
            that this creations do not need to be done for all paints all the time. This would be
            expensive since the BreakIterator and it's usage is expensive and for each paint also the
            whole character stops would need to be created.
            Created only for TextDecoratedPortionPrimitive2D due to XTEXT_EOL and XTEXT_EOP (see below)

            XTEXT_EOL() end of line
            XTEXT_EOP() end of paragraph

            First try with boolean marks at TextDecoratedPortionPrimitive2D did not work too well,
			i decided to solve it with structure. I added the TextHierarchyPrimitives for this,
			namely:
			- TextHierarchyLinePrimitive2D: Encapsulates single line
			- TextHierarchyParagraphPrimitive2D: Encapsulates single paragraph
			- TextHierarchyBlockPrimitive2D: encapsulates object texts (only one ATM)
			Those are now supported in hierarchy. This means the MetaFile renderer will support them
			by using them, reculrively using their content and adding MetaFile comments as needed.
			This also means that when another text layouter will be used it will be necessary to
			create/support the same HierarchyPrimitives to support users.
			To transport the information using this hierarchy is best suited to all future needs;
			the slideshow will be able to profit from it directly when using primitives; all other
			renderers not interested in the text structure will just ignore the encapsulations.

            XTEXT_PAINTSHAPE_BEGIN, XTEXT_PAINTSHAPE_END
			Supported now by the TextHierarchyBlockPrimitive2D.

            EPSReplacementGraphic:
			Only used in goodies\source\filter.vcl\ieps\ieps.cxx and svx\source\xml\xmlgrhlp.cxx to
			hold the original EPS which was imported in the same MetaFile as first 2 entries. Only
			used to export the original again (if exists).
			Not necessary to support with MetaFuleRenderer.

            XTEXT_SCROLLRECT, XTEXT_PAINTRECT
			Currently used to get extra MetaFile infos using GraphicExporter which again uses
			SdrTextObj::GetTextScrollMetaFileAndRectangle(). ATM works with primitives since
			the rectangle data is added directly by the GraphicsExporter as comment. Does not need
			to be adapted at once.
			When adapting later, the only user - the diashow - should directly use the provided
			Anination infos in the appropriate primitives (e.g. AnimatedSwitchPrimitive2D)

            PRNSPOOL_TRANSPARENTBITMAP_BEGIN, PRNSPOOL_TRANSPARENTBITMAP_END
			VCL usage when printing PL -> THB. Okay, THB confirms that it is only used as
			a fix (hack) while VCL printing. It is needed to not downscale a bitmap which
			was explicitely created for the printer already again to some default maximum
			bitmap sizes.
			Nothing to do here for the primitive renderer.

			Support for vcl::PDFExtOutDevData:
			PL knows that SJ did that stuff, it's used to hold a pointer to PDFExtOutDevData at
			the OutDev. When set, some extra data is written there. Trying simple PDF export and
			watching if i get those infos.
			Well, a PDF export does not use e.g. ImpEditEngine::Paint since the PdfFilter uses
			the SdXImpressDocument::render and thus uses the VclMetafileProcessor2D. I will check
			if i get a PDFExtOutDevData at the target output device.
			Indeed, i get one. Checking what all may be done when that extra-device-info is there.

		    All in all i have to talk to SJ. I will need to emulate some of those actions, but
			i need to discuss which ones.
			In the future, all those infos would be taken from the primitive sequence anyways,
			thus these extensions would potentially be temporary, too.
            Discussed with SJ, added the necessary support and tested it. Details follow.

			- In ImpEditEngine::Paint, paragraph infos and URL stuff is added.
			  Added in primitive MetaFile renderer.
			  Checking URL: Indeed, current version exports it, but it is missing in primitive
			  CWS version. Adding support.
			  Okay, URLs work. Checked, Done.

            - UnoControlPDFExportContact is only created when PDFExtOutDevData is used at the
			  target and uno control data is created in UnoControlPDFExportContact::do_PaintObject.
			  This may be added in primitive MetaFile renderer.
			  Adding support...
			  OOps, the necessary helper stuff is in svx/source/form/formpdxexport.cxx in namespace
			  svxform. Have to talk to FS if this has to be like that. Especially since
			  ::vcl::PDFWriter::AnyWidget is filled out, which is already part of vcl.
			  Wrote an eMail to FS, he is on vacation currently. I see no reason why not to move
			  that stuff to somewhere else, maybe tools or svtools ?!? We will see...
              Moved to toolkit, so i have to link against it. I tried VCL first, but it did
              not work since VCLUnoHelper::CreateFont is unresolved in VCL (!). Other then the name
              may imply, it is defined in toolkit (!). Since toolkit is linked against VCL itself,
              the lowest move,ment plave is toolkit.
              Checked form control export, it works well. Done.

		    - In goodies, in GraphicObject::Draw, when the used Graphic is linked, infos are
			  generated. I will need to check what happens here with primitives.
			  To support, use of GraphicPrimitive2D (PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D) may be needed.
			  Added support, but feature is broken in main version, so i cannot test at all.
			  Writing a bug to CL (or SJ) and seeing what happens (#i80380#).
              SJ took a look and we got it working. Tested VCL MetaFile Renderer based export,
              as intended, the original file is exported. Works, Done.




            To be done:

            - Maybe there are more places to take care of for vcl::PDFExtOutDevData!



        ****************************************************************************************************/

		void VclMetafileProcessor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
		{
            switch(rCandidate.getPrimitive2DID())
			{
                case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
                {
					// directdraw of wrong spell primitive
                    // Ignore for VclMetafileProcessor2D, this is for printing and MetaFile recording only
                    break;
                }
				case PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D :
				{
                    const primitive2d::GraphicPrimitive2D& rGraphicPrimitive = static_cast< const primitive2d::GraphicPrimitive2D& >(rCandidate);
					bool bUsingPDFExtOutDevData(false);
					basegfx::B2DVector aTranslate, aScale;
					static bool bSuppressPDFExtOutDevDataSupport(false);

					if(mpPDFExtOutDevData && !bSuppressPDFExtOutDevDataSupport)
					{
						// emulate data handling from UnoControlPDFExportContact, original see
						// svtools/source/graphic/grfmgr.cxx
						const Graphic& rGraphic = rGraphicPrimitive.getGraphicObject().GetGraphic();

						if(rGraphic.IsLink())
						{
							const GraphicAttr& rAttr = rGraphicPrimitive.getGraphicAttr();

							if(!rAttr.IsSpecialDrawMode() && !rAttr.IsAdjusted())
							{
								const basegfx::B2DHomMatrix& rTransform = rGraphicPrimitive.getTransform();
								double fRotate, fShearX;
								rTransform.decompose(aScale, aTranslate, fRotate, fShearX);

								if( basegfx::fTools::equalZero( fRotate ) && ( aScale.getX() > 0.0 ) && ( aScale.getY() > 0.0 ) )
								{
									bUsingPDFExtOutDevData = true;
									mpPDFExtOutDevData->BeginGroup();
								}
							}
						}
					}

					// process recursively and add MetaFile comment
					process(rGraphicPrimitive.get2DDecomposition(getViewInformation2D()));

					if(bUsingPDFExtOutDevData)
					{
						// emulate data handling from UnoControlPDFExportContact, original see
						// svtools/source/graphic/grfmgr.cxx
						const basegfx::B2DRange aCurrentRange(
							aTranslate.getX(), aTranslate.getY(),
							aTranslate.getX() + aScale.getX(), aTranslate.getY() + aScale.getY());
						const Rectangle aCurrentRect(
							sal_Int32(floor(aCurrentRange.getMinX())), sal_Int32(floor(aCurrentRange.getMinY())),
							sal_Int32(ceil(aCurrentRange.getMaxX())), sal_Int32(ceil(aCurrentRange.getMaxY())));
						const GraphicAttr& rAttr = rGraphicPrimitive.getGraphicAttr();
						Rectangle aCropRect;

						if(rAttr.IsCropped())
						{
							// calculate scalings between real image size and logic object size. This
							// is necessary since the crop values are relative to original bitmap size
							double fFactorX(1.0);
							double fFactorY(1.0);

							{
								const MapMode aMapMode100thmm(MAP_100TH_MM);
								const Size aBitmapSize(Application::GetDefaultDevice()->LogicToLogic(
									rGraphicPrimitive.getGraphicObject().GetPrefSize(),
									rGraphicPrimitive.getGraphicObject().GetPrefMapMode(), aMapMode100thmm));
								const double fDivX(aBitmapSize.Width() - rAttr.GetLeftCrop() - rAttr.GetRightCrop());
								const double fDivY(aBitmapSize.Height() - rAttr.GetTopCrop() - rAttr.GetBottomCrop());

								if(!basegfx::fTools::equalZero(fDivX))
								{
									fFactorX = aScale.getX() / fDivX;
								}

								if(!basegfx::fTools::equalZero(fDivY))
								{
									fFactorY = aScale.getY() / fDivY;
								}
							}

							// calculate crop range and rect
							basegfx::B2DRange aCropRange;
							aCropRange.expand(aCurrentRange.getMinimum() - basegfx::B2DPoint(rAttr.GetLeftCrop() * fFactorX, rAttr.GetTopCrop() * fFactorY));
							aCropRange.expand(aCurrentRange.getMaximum() + basegfx::B2DPoint(rAttr.GetRightCrop() * fFactorX, rAttr.GetBottomCrop() * fFactorY));

							aCropRect = Rectangle(
								sal_Int32(floor(aCropRange.getMinX())), sal_Int32(floor(aCropRange.getMinY())),
								sal_Int32(ceil(aCropRange.getMaxX())), sal_Int32(ceil(aCropRange.getMaxY())));
						}

						mpPDFExtOutDevData->EndGroup(rGraphicPrimitive.getGraphicObject().GetGraphic(),
							rAttr.GetTransparency(),
							aCurrentRect,
							aCropRect);
					}

					break;
				}
				case PRIMITIVE2D_ID_CONTROLPRIMITIVE2D :
				{
                    const primitive2d::ControlPrimitive2D& rControlPrimitive = static_cast< const primitive2d::ControlPrimitive2D& >(rCandidate);
        			const uno::Reference< awt::XControl >& rXControl(rControlPrimitive.getXControl());
					bool bIsPrintableControl(false);

                    // find out if control is printable
					if(rXControl.is())
					{
						try
						{
							uno::Reference< beans::XPropertySet > xModelProperties(rXControl->getModel(), uno::UNO_QUERY);
							uno::Reference< beans::XPropertySetInfo > xPropertyInfo(xModelProperties.is()
								? xModelProperties->getPropertySetInfo()
								: uno::Reference< beans::XPropertySetInfo >());
							const ::rtl::OUString sPrintablePropertyName(RTL_CONSTASCII_USTRINGPARAM("Printable"));

							if(xPropertyInfo.is() && xPropertyInfo->hasPropertyByName(sPrintablePropertyName))
							{
								OSL_VERIFY(xModelProperties->getPropertyValue(sPrintablePropertyName) >>= bIsPrintableControl);
							}
						}
						catch(const uno::Exception&)
						{
				            OSL_ENSURE(false, "VclMetafileProcessor2D: No access to printable flag of Control, caught an exception!");
						}
					}

                    // PDF export and printing only for printable controls
                    if(bIsPrintableControl)
                    {
                        const bool bPDFExport(mpPDFExtOutDevData && mpPDFExtOutDevData->GetIsExportFormFields());
                        bool bDoProcessRecursively(true);

                        if(bPDFExport)
					    {
						    // PDF export. Emulate data handling from UnoControlPDFExportContact
                            // I have now moved describePDFControl to toolkit, thus i can implement the PDF
                            // form control support now as follows
                            ::std::auto_ptr< ::vcl::PDFWriter::AnyWidget > pPDFControl;
                            ::toolkitform::describePDFControl( rXControl, pPDFControl, *mpPDFExtOutDevData );

                            if(pPDFControl.get())
                            {
                                // still need to fill in the location (is a class Rectangle)
			                    const basegfx::B2DRange aRangeLogic(rControlPrimitive.getB2DRange(getViewInformation2D()));
	                            const Rectangle aRectLogic(
		                            (sal_Int32)floor(aRangeLogic.getMinX()), (sal_Int32)floor(aRangeLogic.getMinY()),
		                            (sal_Int32)ceil(aRangeLogic.getMaxX()), (sal_Int32)ceil(aRangeLogic.getMaxY()));
                                pPDFControl->Location = aRectLogic;

                                Size aFontSize(pPDFControl->TextFont.GetSize());
                                aFontSize = mpOutputDevice->LogicToLogic(aFontSize, MapMode(MAP_POINT), mpOutputDevice->GetMapMode());
                                pPDFControl->TextFont.SetSize(aFontSize);

                                mpPDFExtOutDevData->BeginStructureElement(vcl::PDFWriter::Form);
                                mpPDFExtOutDevData->CreateControl(*pPDFControl.get());
                                mpPDFExtOutDevData->EndStructureElement();

                                // no normal paint needed (see original UnoControlPDFExportContact::do_PaintObject);
                                // do not process recursively
                                bDoProcessRecursively = false;
                            }
                            else
                            {
                                // PDF export did not work, try simple output.
                                // Fallback to printer output by not setting bDoProcessRecursively
                                // to false.
                            }
					    }

                        // #i93169# used flag the wrong way; true means that nothing was done yet
                        if(bDoProcessRecursively)
					    {
    					    // printer output
					        try
					        {
                                // remember old graphics and create new
					            uno::Reference< awt::XView > xControlView(rXControl, uno::UNO_QUERY_THROW);
                                const uno::Reference< awt::XGraphics > xOriginalGraphics(xControlView->getGraphics());
					            const uno::Reference< awt::XGraphics > xNewGraphics(mpOutputDevice->CreateUnoGraphics());

                                if(xNewGraphics.is())
                                {
				                    // link graphics and view
				                    xControlView->setGraphics(xNewGraphics);

                                    // get position
                                    const basegfx::B2DHomMatrix aObjectToDiscrete(getViewInformation2D().getObjectToViewTransformation() * rControlPrimitive.getTransform());
                                    const basegfx::B2DPoint aTopLeftDiscrete(aObjectToDiscrete * basegfx::B2DPoint(0.0, 0.0));

                                    // draw it
                                    xControlView->draw(basegfx::fround(aTopLeftDiscrete.getX()), basegfx::fround(aTopLeftDiscrete.getY()));
                                    bDoProcessRecursively = false;

                                    // restore original graphics
				                    xControlView->setGraphics(xOriginalGraphics);
                                }
					        }
					        catch( const uno::Exception& )
					        {
			                    OSL_ENSURE(false, "VclMetafileProcessor2D: Printing of Control failed, caught an exception!");
					        }
					    }

					    // process recursively if not done yet to export as decomposition (bitmap)
                        if(bDoProcessRecursively)
                        {
    					    process(rControlPrimitive.get2DDecomposition(getViewInformation2D()));
                        }
                    }

					break;
				}
                case PRIMITIVE2D_ID_TEXTHIERARCHYFIELDPRIMITIVE2D :
                {
                    // support for FIELD_SEQ_BEGIN, FIELD_SEQ_END and URL. It wraps text primitives (but is not limited to)
                    // thus do the MetafileAction embedding stuff but just handle recursively.
					const primitive2d::TextHierarchyFieldPrimitive2D& rFieldPrimitive = static_cast< const primitive2d::TextHierarchyFieldPrimitive2D& >(rCandidate);
                    static const ByteString aCommentStringCommon("FIELD_SEQ_BEGIN");
					static const ByteString aCommentStringPage("FIELD_SEQ_BEGIN;PageField");
					static const ByteString aCommentStringEnd("FIELD_SEQ_END");

					switch(rFieldPrimitive.getType())
					{
						default : // case drawinglayer::primitive2d::FIELD_TYPE_COMMON :
						{
		                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringCommon));
							break;
						}
						case drawinglayer::primitive2d::FIELD_TYPE_PAGE :
						{
		                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringPage));
							break;
						}
						case drawinglayer::primitive2d::FIELD_TYPE_URL :
						{
							const rtl::OUString& rURL = rFieldPrimitive.getString();
                            const String aOldString(rURL);
		                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringCommon, 0, reinterpret_cast< const sal_uInt8* >(aOldString.GetBuffer()), 2 * aOldString.Len()));
							break;
						}
					}

					// process recursively
					const primitive2d::Primitive2DSequence rContent = rFieldPrimitive.get2DDecomposition(getViewInformation2D());
					process(rContent);

					// for the end comment the type is not relevant yet, they are all the same. Just add.
                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringEnd));

					if(mpPDFExtOutDevData && drawinglayer::primitive2d::FIELD_TYPE_URL == rFieldPrimitive.getType())
					{
						// emulate data handling from ImpEditEngine::Paint
			            const basegfx::B2DRange aViewRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rContent, getViewInformation2D()));
	                    const Rectangle aRectLogic(
		                    (sal_Int32)floor(aViewRange.getMinX()), (sal_Int32)floor(aViewRange.getMinY()),
		                    (sal_Int32)ceil(aViewRange.getMaxX()), (sal_Int32)ceil(aViewRange.getMaxY()));
						vcl::PDFExtOutDevBookmarkEntry aBookmark;
						aBookmark.nLinkId = mpPDFExtOutDevData->CreateLink(aRectLogic);
						aBookmark.aBookmark = rFieldPrimitive.getString();
						std::vector< vcl::PDFExtOutDevBookmarkEntry >& rBookmarks = mpPDFExtOutDevData->GetBookmarks();
						rBookmarks.push_back( aBookmark );
					}

                    break;
                }
                case PRIMITIVE2D_ID_TEXTHIERARCHYLINEPRIMITIVE2D :
                {
                    const primitive2d::TextHierarchyLinePrimitive2D& rLinePrimitive = static_cast< const primitive2d::TextHierarchyLinePrimitive2D& >(rCandidate);
                    static const ByteString aCommentString("XTEXT_EOL");

                    // process recursively and add MetaFile comment
					process(rLinePrimitive.get2DDecomposition(getViewInformation2D()));
                    mpMetaFile->AddAction(new MetaCommentAction(aCommentString));

                    break;
                }
                case PRIMITIVE2D_ID_TEXTHIERARCHYBULLETPRIMITIVE2D :
                {
                    // in Outliner::PaintBullet(), a MetafileComment for bullets is added, too. The
                    // "XTEXT_EOC" is used, use here, too.
					const primitive2d::TextHierarchyBulletPrimitive2D& rBulletPrimitive = static_cast< const primitive2d::TextHierarchyBulletPrimitive2D& >(rCandidate);
                    static const ByteString aCommentString("XTEXT_EOC");

                    // process recursively and add MetaFile comment
					process(rBulletPrimitive.get2DDecomposition(getViewInformation2D()));
                    mpMetaFile->AddAction(new MetaCommentAction(aCommentString));

                    break;
                }
                case PRIMITIVE2D_ID_TEXTHIERARCHYPARAGRAPHPRIMITIVE2D :
                {
                    const primitive2d::TextHierarchyParagraphPrimitive2D& rParagraphPrimitive = static_cast< const primitive2d::TextHierarchyParagraphPrimitive2D& >(rCandidate);
                    static const ByteString aCommentString("XTEXT_EOP");

					if(mpPDFExtOutDevData)
					{
						// emulate data handling from ImpEditEngine::Paint
						mpPDFExtOutDevData->BeginStructureElement( vcl::PDFWriter::Paragraph );
					}

                    // process recursively and add MetaFile comment
					process(rParagraphPrimitive.get2DDecomposition(getViewInformation2D()));
                    mpMetaFile->AddAction(new MetaCommentAction(aCommentString));

					if(mpPDFExtOutDevData)
					{
						// emulate data handling from ImpEditEngine::Paint
						mpPDFExtOutDevData->EndStructureElement();
					}

					break;
                }
                case PRIMITIVE2D_ID_TEXTHIERARCHYBLOCKPRIMITIVE2D :
                {
                    const primitive2d::TextHierarchyBlockPrimitive2D& rBlockPrimitive = static_cast< const primitive2d::TextHierarchyBlockPrimitive2D& >(rCandidate);
                    static const ByteString aCommentStringA("XTEXT_PAINTSHAPE_BEGIN");
                    static const ByteString aCommentStringB("XTEXT_PAINTSHAPE_END");

                    // add MetaFile comment, process recursively and add MetaFile comment
                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringA));
					process(rBlockPrimitive.get2DDecomposition(getViewInformation2D()));
                    mpMetaFile->AddAction(new MetaCommentAction(aCommentStringB));

                    break;
                }
				case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
				case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
				{
                    // for supporting TEXT_ MetaFile actions there is more to do here; get the candidate
					const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate = static_cast< const primitive2d::TextSimplePortionPrimitive2D& >(rCandidate);
					// const primitive2d::TextDecoratedPortionPrimitive2D* pTextDecoratedCandidate = dynamic_cast< const primitive2d::TextDecoratedPortionPrimitive2D* >(&rCandidate);

					// Adapt evtl. used special DrawMode
					const sal_uInt32 nOriginalDrawMode(mpOutputDevice->GetDrawMode());
					adaptTextToFillDrawMode();

					// directdraw of text simple portion; use default processing
					RenderTextSimpleOrDecoratedPortionPrimitive2D(rTextCandidate);

					// restore DrawMode
					mpOutputDevice->SetDrawMode(nOriginalDrawMode);

					// #i101169# if(pTextDecoratedCandidate)
                    {
                        // support for TEXT_ MetaFile actions only for decorated texts
                        if(!mxBreakIterator.is())
                        {
                            uno::Reference< ::com::sun::star::lang::XMultiServiceFactory > xMSF(::comphelper::getProcessServiceFactory());
                            mxBreakIterator.set(xMSF->createInstance(rtl::OUString::createFromAscii("com.sun.star.i18n.BreakIterator")), uno::UNO_QUERY);
                        }

                        if(mxBreakIterator.is())
                        {
                            const rtl::OUString& rTxt = rTextCandidate.getText();
                            const sal_Int32 nTextLength(rTextCandidate.getTextLength()); // rTxt.getLength());

                            if(nTextLength)
                            {
                                const ::com::sun::star::lang::Locale& rLocale = rTextCandidate.getLocale();
                                const sal_Int32 nTextPosition(rTextCandidate.getTextPosition());

                                sal_Int32 nDone;
                                sal_Int32 nNextCellBreak(mxBreakIterator->nextCharacters(rTxt, nTextPosition, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, 0, nDone));
                                ::com::sun::star::i18n::Boundary nNextWordBoundary(mxBreakIterator->getWordBoundary(rTxt, nTextPosition, rLocale, ::com::sun::star::i18n::WordType::ANY_WORD, sal_True));
                                sal_Int32 nNextSentenceBreak(mxBreakIterator->endOfSentence(rTxt, nTextPosition, rLocale));
                                static const ByteString aCommentStringA("XTEXT_EOC");
                                static const ByteString aCommentStringB("XTEXT_EOW");
                                static const ByteString aCommentStringC("XTEXT_EOS");

                                for(sal_Int32 i(nTextPosition); i < nTextPosition + nTextLength; i++)
                                {
                                    // create the entries for the respective break positions
                                    if(i == nNextCellBreak)
                                    {
                                        mpMetaFile->AddAction(new MetaCommentAction(aCommentStringA, i - nTextPosition));
                                        nNextCellBreak = mxBreakIterator->nextCharacters(rTxt, i, rLocale, ::com::sun::star::i18n::CharacterIteratorMode::SKIPCELL, 1, nDone);
                                    }
                                    if(i == nNextWordBoundary.endPos)
                                    {
                                        mpMetaFile->AddAction(new MetaCommentAction(aCommentStringB, i - nTextPosition));
                                        nNextWordBoundary = mxBreakIterator->getWordBoundary(rTxt, i + 1, rLocale, ::com::sun::star::i18n::WordType::ANY_WORD, sal_True);
                                    }
                                    if(i == nNextSentenceBreak)
                                    {
                                        mpMetaFile->AddAction(new MetaCommentAction(aCommentStringC, i - nTextPosition));
                                        nNextSentenceBreak = mxBreakIterator->endOfSentence(rTxt, i + 1, rLocale);
                                    }
                                }
                            }
                        }
                    }

                    break;
				}
				case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
				{
					const primitive2d::PolygonHairlinePrimitive2D& rHairlinePrimitive = static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate);
        			const basegfx::B2DPolygon& rBasePolygon = rHairlinePrimitive.getB2DPolygon();

                    if(rBasePolygon.count() > (MAX_POLYGON_POINT_COUNT_METAFILE - 1))
                    {
                        // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                        // per polygon. If there are more, split the polygon in half and call recursively
                        basegfx::B2DPolygon aLeft, aRight;
                        splitLinePolygon(rBasePolygon, aLeft, aRight);
                        const primitive2d::PolygonHairlinePrimitive2D aPLeft(aLeft, rHairlinePrimitive.getBColor());
                        const primitive2d::PolygonHairlinePrimitive2D aPRight(aRight, rHairlinePrimitive.getBColor());

                        processBasePrimitive2D(aPLeft);
                        processBasePrimitive2D(aPRight);
                    }
                    else
                    {
    					// direct draw of hairline; use default processing
    					// support SvtGraphicStroke MetaCommentAction
					    const basegfx::BColor aLineColor(maBColorModifierStack.getModifiedColor(rHairlinePrimitive.getBColor()));
					    SvtGraphicStroke* pSvtGraphicStroke = impTryToCreateSvtGraphicStroke(
                            rHairlinePrimitive.getB2DPolygon(),
                            &aLineColor,
                            0, 0, 0, 0);

					    impStartSvtGraphicStroke(pSvtGraphicStroke);
					    RenderPolygonHairlinePrimitive2D(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate), false);
					    impEndSvtGraphicStroke(pSvtGraphicStroke);
                    }
					break;
				}
				case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D :
				{
					const primitive2d::PolygonStrokePrimitive2D& rStrokePrimitive = static_cast< const primitive2d::PolygonStrokePrimitive2D& >(rCandidate);
        			const basegfx::B2DPolygon& rBasePolygon = rStrokePrimitive.getB2DPolygon();

                    if(rBasePolygon.count() > (MAX_POLYGON_POINT_COUNT_METAFILE - 1))
                    {
                        // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                        // per polygon. If there are more, split the polygon in half and call recursively
                        basegfx::B2DPolygon aLeft, aRight;
                        splitLinePolygon(rBasePolygon, aLeft, aRight);
                        const primitive2d::PolygonStrokePrimitive2D aPLeft(
                            aLeft, rStrokePrimitive.getLineAttribute(), rStrokePrimitive.getStrokeAttribute());
                        const primitive2d::PolygonStrokePrimitive2D aPRight(
                            aRight, rStrokePrimitive.getLineAttribute(), rStrokePrimitive.getStrokeAttribute());

                        processBasePrimitive2D(aPLeft);
                        processBasePrimitive2D(aPRight);
                    }
                    else
                    {
    					// support SvtGraphicStroke MetaCommentAction
					    SvtGraphicStroke* pSvtGraphicStroke = impTryToCreateSvtGraphicStroke(
                            rBasePolygon, 0,
                            &rStrokePrimitive.getLineAttribute(),
                            &rStrokePrimitive.getStrokeAttribute(),
                            0, 0);

					    impStartSvtGraphicStroke(pSvtGraphicStroke);
					    const attribute::LineAttribute& rLine = rStrokePrimitive.getLineAttribute();

					    // create MetaPolyLineActions, but without LINE_DASH
					    if(basegfx::fTools::more(rLine.getWidth(), 0.0))
					    {
						    const attribute::StrokeAttribute& rStroke = rStrokePrimitive.getStrokeAttribute();
						    basegfx::B2DPolyPolygon aHairLinePolyPolygon;

						    if(0.0 == rStroke.getFullDotDashLen())
						    {
							    aHairLinePolyPolygon.append(rBasePolygon);
						    }
						    else
						    {
							    basegfx::tools::applyLineDashing(
								    rBasePolygon, rStroke.getDotDashArray(),
								    &aHairLinePolyPolygon, 0, rStroke.getFullDotDashLen());
						    }

						    const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rLine.getColor()));
						    mpOutputDevice->SetLineColor(Color(aHairlineColor));
						    mpOutputDevice->SetFillColor();
						    aHairLinePolyPolygon.transform(maCurrentTransformation);

							// #i113922# LineWidth needs to be transformed, too
							const basegfx::B2DVector aDiscreteUnit(maCurrentTransformation * basegfx::B2DVector(rLine.getWidth(), 0.0));
							const double fDiscreteLineWidth(aDiscreteUnit.getLength());

							LineInfo aLineInfo(LINE_SOLID, basegfx::fround(fDiscreteLineWidth));
						    aLineInfo.SetLineJoin(rLine.getLineJoin());
                            aLineInfo.SetLineCap(rLine.getLineCap());

						    for(sal_uInt32 a(0); a < aHairLinePolyPolygon.count(); a++)
						    {
							    const basegfx::B2DPolygon aCandidate(aHairLinePolyPolygon.getB2DPolygon(a));

							    if(aCandidate.count() > 1)
							    {
								    const Polygon aToolsPolygon(aCandidate);

                				    mpMetaFile->AddAction(new MetaPolyLineAction(aToolsPolygon, aLineInfo));
							    }
						    }
					    }
					    else
					    {
						    process(rCandidate.get2DDecomposition(getViewInformation2D()));
					    }

					    impEndSvtGraphicStroke(pSvtGraphicStroke);
                    }

					break;
				}
				case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D :
				{
					const primitive2d::PolygonStrokeArrowPrimitive2D& rStrokeArrowPrimitive = static_cast< const primitive2d::PolygonStrokeArrowPrimitive2D& >(rCandidate);
        			const basegfx::B2DPolygon& rBasePolygon = rStrokeArrowPrimitive.getB2DPolygon();

                    if(rBasePolygon.count() > (MAX_POLYGON_POINT_COUNT_METAFILE - 1))
                    {
                        // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                        // per polygon. If there are more, split the polygon in half and call recursively
                        basegfx::B2DPolygon aLeft, aRight;
                        splitLinePolygon(rBasePolygon, aLeft, aRight);
                        const attribute::LineStartEndAttribute aEmpty;
                        const primitive2d::PolygonStrokeArrowPrimitive2D aPLeft(
                            aLeft,
                            rStrokeArrowPrimitive.getLineAttribute(),
                            rStrokeArrowPrimitive.getStrokeAttribute(),
                            rStrokeArrowPrimitive.getStart(),
                            aEmpty);
                        const primitive2d::PolygonStrokeArrowPrimitive2D aPRight(
                            aRight,
                            rStrokeArrowPrimitive.getLineAttribute(),
                            rStrokeArrowPrimitive.getStrokeAttribute(),
                            aEmpty,
                            rStrokeArrowPrimitive.getEnd());

                        processBasePrimitive2D(aPLeft);
                        processBasePrimitive2D(aPRight);
                    }
                    else
                    {
    					// support SvtGraphicStroke MetaCommentAction
	    				SvtGraphicStroke* pSvtGraphicStroke = impTryToCreateSvtGraphicStroke(
                            rBasePolygon, 0,
                            &rStrokeArrowPrimitive.getLineAttribute(),
                            &rStrokeArrowPrimitive.getStrokeAttribute(),
                            &rStrokeArrowPrimitive.getStart(),
                            &rStrokeArrowPrimitive.getEnd());

                        // write LineGeometry start marker
			    		impStartSvtGraphicStroke(pSvtGraphicStroke);

                        // #116162# When B&W is set as DrawMode, DRAWMODE_WHITEFILL is used
                        // to let all fills be just white; for lines DRAWMODE_BLACKLINE is used
                        // so all line geometry is supposed to get black. Since in the in-between
                        // stages of line geometry drawing filled polygons are used (e.g. line
                        // start/ends) it is necessary to change these drawmodes to preserve
                        // that lines shall be black; thus change DRAWMODE_WHITEFILL to
                        // DRAWMODE_BLACKFILL during line geometry processing to have line geometry
                        // parts filled black.
                        const sal_uLong nOldDrawMode(mpOutputDevice->GetDrawMode());
                        const bool bDrawmodeChange(nOldDrawMode & DRAWMODE_WHITEFILL && mnSvtGraphicStrokeCount);

                        if(bDrawmodeChange)
                        {
                            mpOutputDevice->SetDrawMode((nOldDrawMode & ~DRAWMODE_WHITEFILL) | DRAWMODE_BLACKFILL);
                        }

                        // process sub-line geometry (evtl. filled PolyPolygons)
                        process(rCandidate.get2DDecomposition(getViewInformation2D()));

                        if(bDrawmodeChange)
                        {
                            mpOutputDevice->SetDrawMode(nOldDrawMode);
                        }

                        // write LineGeometry end marker
                        impEndSvtGraphicStroke(pSvtGraphicStroke);
                    }

                    break;
				}
				case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
				{
                    // direct draw of transformed BitmapEx primitive; use default processing
					RenderBitmapPrimitive2D(static_cast< const primitive2d::BitmapPrimitive2D& >(rCandidate));
					break;
				}
				case PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D :
				{
					// need to handle PolyPolygonGraphicPrimitive2D here to support XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END
					const primitive2d::PolyPolygonGraphicPrimitive2D& rBitmapCandidate = static_cast< const primitive2d::PolyPolygonGraphicPrimitive2D& >(rCandidate);
					basegfx::B2DPolyPolygon aLocalPolyPolygon(rBitmapCandidate.getB2DPolyPolygon());

                    if(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
                    {
                        // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                        // per polygon. If there are more use the splitted polygon and call recursively
                        const primitive2d::PolyPolygonGraphicPrimitive2D aSplitted(
                            aLocalPolyPolygon,
                            rBitmapCandidate.getFillGraphic());

                        processBasePrimitive2D(aSplitted);
                    }
                    else
                    {
                        SvtGraphicFill* pSvtGraphicFill = 0;

					    if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
					    {
                            // #121194# Changed implementation and checked usages fo convert to metafile,
                            // presentation start (uses SvtGraphicFill) and printing.

                            // calculate transformation. Get real object size, all values in FillGraphicAttribute
						    // are relative to the unified object
						    aLocalPolyPolygon.transform(maCurrentTransformation);
                            const basegfx::B2DVector aOutlineSize(aLocalPolyPolygon.getB2DRange().getRange());

						    // the scaling needs scale from pixel to logic coordinate system
						    const attribute::FillGraphicAttribute& rFillGraphicAttribute = rBitmapCandidate.getFillGraphic();
						    const Size aBmpSizePixel(rFillGraphicAttribute.getGraphic().GetSizePixel());

						    // setup transformation like in impgrfll. Multiply with aOutlineSize
                            // to get from unit coordinates in rFillGraphicAttribute.getGraphicRange()
                            // to object coordinates with object's top left being at (0,0). Divide
                            // by pixel size so that scale from pixel to logic will work in SvtGraphicFill.
                            const basegfx::B2DVector aTransformScale(
                                rFillGraphicAttribute.getGraphicRange().getRange() /
                                basegfx::B2DVector(
                                    std::max(1.0, double(aBmpSizePixel.Width())),
                                    std::max(1.0, double(aBmpSizePixel.Height()))) *
                                aOutlineSize);
                            const basegfx::B2DPoint aTransformPosition(
                                rFillGraphicAttribute.getGraphicRange().getMinimum() * aOutlineSize);

						    // setup transformation like in impgrfll
						    SvtGraphicFill::Transform aTransform;

						    // scale values are divided by bitmap pixel sizes
						    aTransform.matrix[0] = aTransformScale.getX();
						    aTransform.matrix[4] = aTransformScale.getY();

                            // translates are absolute
                            aTransform.matrix[2] = aTransformPosition.getX();
						    aTransform.matrix[5] = aTransformPosition.getY();

                            pSvtGraphicFill = new SvtGraphicFill(
							    PolyPolygon(aLocalPolyPolygon),
							    Color(),
							    0.0,
							    SvtGraphicFill::fillEvenOdd,
							    SvtGraphicFill::fillTexture,
							    aTransform,
							    rFillGraphicAttribute.getTiling(),
							    SvtGraphicFill::hatchSingle,
							    Color(),
							    SvtGraphicFill::gradientLinear,
							    Color(),
							    Color(),
							    0,
							    rFillGraphicAttribute.getGraphic());
					    }

					    // Do use decomposition; encapsulate with SvtGraphicFill
					    impStartSvtGraphicFill(pSvtGraphicFill);
					    process(rCandidate.get2DDecomposition(getViewInformation2D()));
					    impEndSvtGraphicFill(pSvtGraphicFill);
                    }

					break;
				}
				case PRIMITIVE2D_ID_POLYPOLYGONHATCHPRIMITIVE2D :
				{
					// need to handle PolyPolygonHatchPrimitive2D here to support XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END
					const primitive2d::PolyPolygonHatchPrimitive2D& rHatchCandidate = static_cast< const primitive2d::PolyPolygonHatchPrimitive2D& >(rCandidate);
				    const attribute::FillHatchAttribute& rFillHatchAttribute = rHatchCandidate.getFillHatch();
					basegfx::B2DPolyPolygon aLocalPolyPolygon(rHatchCandidate.getB2DPolyPolygon());

                    // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                    // per polygon. Split polygon until there are less than that
                    while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
                        ;

					if(rFillHatchAttribute.isFillBackground())
					{
						// with fixing #i111954# (see below) the possible background
						// fill of a hatched object was lost.Generate a background fill
						// primitive and render it
					    const primitive2d::Primitive2DReference xBackground(
							new primitive2d::PolyPolygonColorPrimitive2D(
								aLocalPolyPolygon,
								rHatchCandidate.getBackgroundColor()));

						process(primitive2d::Primitive2DSequence(&xBackground, 1));
					}

                    SvtGraphicFill* pSvtGraphicFill = 0;
				    aLocalPolyPolygon.transform(maCurrentTransformation);

				    if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
				    {
					    // re-create a VCL hatch as base data
					    SvtGraphicFill::HatchType eHatch(SvtGraphicFill::hatchSingle);

					    switch(rFillHatchAttribute.getStyle())
					    {
						    default: // attribute::HATCHSTYLE_SINGLE :
						    {
							    eHatch = SvtGraphicFill::hatchSingle;
							    break;
						    }
						    case attribute::HATCHSTYLE_DOUBLE :
						    {
							    eHatch = SvtGraphicFill::hatchDouble;
							    break;
						    }
						    case attribute::HATCHSTYLE_TRIPLE :
						    {
							    eHatch = SvtGraphicFill::hatchTriple;
							    break;
						    }
					    }

					    SvtGraphicFill::Transform aTransform;

					    // scale
					    aTransform.matrix[0] *= rFillHatchAttribute.getDistance();
					    aTransform.matrix[4] *= rFillHatchAttribute.getDistance();

					    // rotate (was never correct in impgrfll anyways, use correct angle now)
					    aTransform.matrix[0] *= cos(rFillHatchAttribute.getAngle());
					    aTransform.matrix[1] *= -sin(rFillHatchAttribute.getAngle());
					    aTransform.matrix[3] *= sin(rFillHatchAttribute.getAngle());
					    aTransform.matrix[4] *= cos(rFillHatchAttribute.getAngle());

					    pSvtGraphicFill = new SvtGraphicFill(
						    PolyPolygon(aLocalPolyPolygon),
						    Color(),
						    0.0,
						    SvtGraphicFill::fillEvenOdd,
						    SvtGraphicFill::fillHatch,
						    aTransform,
						    false,
						    eHatch,
						    Color(rFillHatchAttribute.getColor()),
						    SvtGraphicFill::gradientLinear,
						    Color(),
						    Color(),
						    0,
						    Graphic());
				    }

				    // Do use decomposition; encapsulate with SvtGraphicFill
				    impStartSvtGraphicFill(pSvtGraphicFill);

                    // #i111954# do NOT use decomposition, but use direct VCL-command
			        // process(rCandidate.get2DDecomposition(getViewInformation2D()));
			        const PolyPolygon aToolsPolyPolygon(aLocalPolyPolygon);
                    const HatchStyle aHatchStyle(
                        attribute::HATCHSTYLE_SINGLE == rFillHatchAttribute.getStyle() ? HATCH_SINGLE :
                        attribute::HATCHSTYLE_DOUBLE == rFillHatchAttribute.getStyle() ? HATCH_DOUBLE :
                        HATCH_TRIPLE);

                    mpOutputDevice->DrawHatch(aToolsPolyPolygon,
                        Hatch(aHatchStyle,
                            Color(rFillHatchAttribute.getColor()),
                            basegfx::fround(rFillHatchAttribute.getDistance()),
                            basegfx::fround(rFillHatchAttribute.getAngle() / F_PI1800)));

                    impEndSvtGraphicFill(pSvtGraphicFill);

					break;
				}
				case PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D :
                {
					const primitive2d::PolyPolygonGradientPrimitive2D& rGradientCandidate = static_cast< const primitive2d::PolyPolygonGradientPrimitive2D& >(rCandidate);
			        basegfx::B2DPolyPolygon aLocalPolyPolygon(rGradientCandidate.getB2DPolyPolygon());

                    // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                    // per polygon. Split polygon until there are less than that
                    while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
                        ;

                    // for support of MetaCommentActions of the form XGRAD_SEQ_BEGIN, XGRAD_SEQ_END
                    // it is safest to use the VCL OutputDevice::DrawGradient method which creates those.
                    // re-create a VCL-gradient from FillGradientPrimitive2D and the needed tools PolyPolygon
				    Gradient aVCLGradient;
                    impConvertFillGradientAttributeToVCLGradient(aVCLGradient, rGradientCandidate.getFillGradient(), false);
		            aLocalPolyPolygon.transform(maCurrentTransformation);

				    // #i82145# ATM VCL printing of gradients using curved shapes does not work,
				    // i submitted the bug with the given ID to THB. When that task is fixed it is
				    // necessary to again remove this subdivision since it decreases possible
				    // printing quality (not even resolution-dependent for now). THB will tell
				    // me when that task is fixed in the master
				    const PolyPolygon aToolsPolyPolygon(basegfx::tools::adaptiveSubdivideByAngle(aLocalPolyPolygon));

				    // XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END support
				    SvtGraphicFill* pSvtGraphicFill = 0;

				    if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
				    {
					    // setup gradient stuff like in like in impgrfll
					    SvtGraphicFill::GradientType eGrad(SvtGraphicFill::gradientLinear);

					    switch(aVCLGradient.GetStyle())
					    {
						    default : // GRADIENT_LINEAR:
						    case GRADIENT_AXIAL:
							    eGrad = SvtGraphicFill::gradientLinear;
							    break;
						    case GRADIENT_RADIAL:
						    case GRADIENT_ELLIPTICAL:
							    eGrad = SvtGraphicFill::gradientRadial;
							    break;
						    case GRADIENT_SQUARE:
						    case GRADIENT_RECT:
							    eGrad = SvtGraphicFill::gradientRectangular;
							    break;
					    }

					    pSvtGraphicFill = new SvtGraphicFill(
						    aToolsPolyPolygon,
						    Color(),
						    0.0,
						    SvtGraphicFill::fillEvenOdd,
						    SvtGraphicFill::fillGradient,
						    SvtGraphicFill::Transform(),
						    false,
						    SvtGraphicFill::hatchSingle,
						    Color(),
						    eGrad,
						    aVCLGradient.GetStartColor(),
						    aVCLGradient.GetEndColor(),
						    aVCLGradient.GetSteps(),
						    Graphic());
				    }

				    // call VCL directly; encapsulate with SvtGraphicFill
				    impStartSvtGraphicFill(pSvtGraphicFill);
		            mpOutputDevice->DrawGradient(aToolsPolyPolygon, aVCLGradient);
				    impEndSvtGraphicFill(pSvtGraphicFill);

				    // NO usage of common own gradient randerer, not used ATM for VCL MetaFile, see text above
				    // RenderPolyPolygonGradientPrimitive2D(static_cast< const primitive2d::PolyPolygonGradientPrimitive2D& >(rCandidate));

                    break;
                }
				case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
				{
					const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
					basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());

                    // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                    // per polygon. Split polygon until there are less than that
                    while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
                        ;

				    const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rPolygonCandidate.getBColor()));
				    aLocalPolyPolygon.transform(maCurrentTransformation);

				    // XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END support
				    SvtGraphicFill* pSvtGraphicFill = 0;

				    if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
				    {
					    // setup simple color fill stuff like in impgrfll
					    pSvtGraphicFill = new SvtGraphicFill(
						    PolyPolygon(aLocalPolyPolygon),
						    Color(aPolygonColor),
						    0.0,
						    SvtGraphicFill::fillEvenOdd,
						    SvtGraphicFill::fillSolid,
						    SvtGraphicFill::Transform(),
						    false,
						    SvtGraphicFill::hatchSingle,
						    Color(),
						    SvtGraphicFill::gradientLinear,
						    Color(),
						    Color(),
						    0,
						    Graphic());
				    }

                    // set line and fill color
				    mpOutputDevice->SetFillColor(Color(aPolygonColor));
				    mpOutputDevice->SetLineColor();

				    // call VCL directly; encapsulate with SvtGraphicFill
                    impStartSvtGraphicFill(pSvtGraphicFill);
				    mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
				    impEndSvtGraphicFill(pSvtGraphicFill);

					break;
				}
				case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
				{
                    static bool bUseMetaFilePrimitiveDecomposition(true);

                    if(bUseMetaFilePrimitiveDecomposition)
                    {
                        // use new Metafile decomposition
    					process(rCandidate.get2DDecomposition(getViewInformation2D()));
                    }
                    else
                    {
                        // direct draw of MetaFile, use default pocessing
					    RenderMetafilePrimitive2D(static_cast< const primitive2d::MetafilePrimitive2D& >(rCandidate));
                    }

                    break;
				}
				case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
				{
                    // mask group. Special handling for MetaFiles.
					const primitive2d::MaskPrimitive2D& rMaskCandidate = static_cast< const primitive2d::MaskPrimitive2D& >(rCandidate);

                    if(rMaskCandidate.getChildren().hasElements())
			        {
				        basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());

				        if(aMask.count())
				        {
							// prepare new mask polygon and rescue current one
					        aMask.transform(maCurrentTransformation);
                            const basegfx::B2DPolyPolygon aLastClipPolyPolygon(maClipPolyPolygon);

                            if(maClipPolyPolygon.count())
                            {
								// there is already a clip polygon set; build clipped union of
								// current mask polygon and new one
								maClipPolyPolygon = basegfx::tools::clipPolyPolygonOnPolyPolygon(
                                    aMask,
                                    maClipPolyPolygon,
                                    true, // #i106516# we want the inside of aMask, not the outside
                                    false);
                            }
                            else
                            {
                                // use mask directly
                                maClipPolyPolygon = aMask;
                            }

                            if(maClipPolyPolygon.count())
                            {
                                // set VCL clip region; subdivide before conversion to tools polygon. Subdivision necessary (!)
                                // Removed subdivision and fixed in Region::ImplPolyPolyRegionToBandRegionFunc() in VCL where
                                // the ClipRegion is built from the Polygon. A AdaptiveSubdivide on the source polygon was missing there
                                mpOutputDevice->Push(PUSH_CLIPREGION);
								//mpOutputDevice->SetClipRegion(Region(PolyPolygon(basegfx::tools::adaptiveSubdivideByAngle(maClipPolyPolygon))));
								//mpOutputDevice->SetClipRegion(Region(PolyPolygon(maClipPolyPolygon)));
								mpOutputDevice->SetClipRegion(Region(maClipPolyPolygon));
                            }

					        // recursively paint content
					        process(rMaskCandidate.getChildren());

                            if(maClipPolyPolygon.count())
                            {
                                // restore VCL clip region
                                mpOutputDevice->Pop();
                            }

                            // restore to rescued clip polygon
                            maClipPolyPolygon = aLastClipPolyPolygon;
				        }
                        else
                        {
                            // no mask, no clipping. recursively paint content
					        process(rMaskCandidate.getChildren());
                        }
			        }

                    break;
				}
				case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
				{
					// modified color group. Force output to unified color. Use default pocessing.
					RenderModifiedColorPrimitive2D(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
					break;
				}
                case PRIMITIVE2D_ID_HIDDENGEOMETRYPRIMITIVE2D :
				{
                    // HiddenGeometryPrimitive2D; to rebuilt the old MetaFile creation, it is necessary to
                    // not ignore them (as it was thought), but to add a MetaFile entry for them.
        		    basegfx::B2DRange aInvisibleRange(rCandidate.getB2DRange(getViewInformation2D()));

                    if(!aInvisibleRange.isEmpty())
                    {
		                aInvisibleRange.transform(maCurrentTransformation);
                        const Rectangle aRectLogic(
	                        (sal_Int32)floor(aInvisibleRange.getMinX()), (sal_Int32)floor(aInvisibleRange.getMinY()),
	                        (sal_Int32)ceil(aInvisibleRange.getMaxX()), (sal_Int32)ceil(aInvisibleRange.getMaxY()));

                        mpOutputDevice->SetFillColor();
		                mpOutputDevice->SetLineColor();
		                mpOutputDevice->DrawRect(aRectLogic);
                    }

					break;
				}
				case PRIMITIVE2D_ID_UNIFIEDTRANSPARENCEPRIMITIVE2D :
				{
					// for metafile: Need to examine what the pure vcl version is doing here actually
					// - uses DrawTransparent with metafile for content and a gradient
					// - uses DrawTransparent for single PolyPoylgons directly. Can be detected by
					//   checking the content for single PolyPolygonColorPrimitive2D
					const primitive2d::UnifiedTransparencePrimitive2D& rUniTransparenceCandidate = static_cast< const primitive2d::UnifiedTransparencePrimitive2D& >(rCandidate);
					const primitive2d::Primitive2DSequence rContent = rUniTransparenceCandidate.getChildren();

					if(rContent.hasElements())
					{
                        if(0.0 == rUniTransparenceCandidate.getTransparence())
                        {
                            // not transparent at all, use content
	                        process(rUniTransparenceCandidate.getChildren());
                        }
			            else if(rUniTransparenceCandidate.getTransparence() > 0.0 && rUniTransparenceCandidate.getTransparence() < 1.0)
			            {
						    // try to identify a single PolyPolygonColorPrimitive2D in the
						    // content part of the transparence primitive
						    const primitive2d::PolyPolygonColorPrimitive2D* pPoPoColor = 0;
						    static bool bForceToMetafile(false);

						    if(!bForceToMetafile && 1 == rContent.getLength())
						    {
							    const primitive2d::Primitive2DReference xReference(rContent[0]);
							    pPoPoColor = dynamic_cast< const primitive2d::PolyPolygonColorPrimitive2D* >(xReference.get());
						    }

						    // PolyPolygonGradientPrimitive2D, PolyPolygonHatchPrimitive2D and
						    // PolyPolygonGraphicPrimitive2D are derived from PolyPolygonColorPrimitive2D.
						    // Check also for correct ID to exclude derived implementations
						    if(pPoPoColor && PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D == pPoPoColor->getPrimitive2DID())
						    {
							    // single transparent PolyPolygon identified, use directly
							    const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(pPoPoColor->getBColor()));
							    basegfx::B2DPolyPolygon aLocalPolyPolygon(pPoPoColor->getB2DPolyPolygon());

                                // #i112245# Metafiles use tools Polygon and are not able to have more than 65535 points
                                // per polygon. Split polygon until there are less than that
                                while(fillPolyPolygonNeededToBeSplit(aLocalPolyPolygon))
                                    ;

                                // now transform
                                aLocalPolyPolygon.transform(maCurrentTransformation);

							    // XPATHFILL_SEQ_BEGIN/XPATHFILL_SEQ_END support
							    SvtGraphicFill* pSvtGraphicFill = 0;

							    if(!mnSvtGraphicFillCount && aLocalPolyPolygon.count())
							    {
								    // setup simple color with transparence fill stuff like in impgrfll
								    pSvtGraphicFill = new SvtGraphicFill(
									    PolyPolygon(aLocalPolyPolygon),
									    Color(aPolygonColor),
									    rUniTransparenceCandidate.getTransparence(),
									    SvtGraphicFill::fillEvenOdd,
									    SvtGraphicFill::fillSolid,
									    SvtGraphicFill::Transform(),
									    false,
									    SvtGraphicFill::hatchSingle,
									    Color(),
									    SvtGraphicFill::gradientLinear,
									    Color(),
									    Color(),
									    0,
									    Graphic());
							    }

                                // set line and fill color
							    const sal_uInt16 nTransPercentVcl((sal_uInt16)basegfx::fround(rUniTransparenceCandidate.getTransparence() * 100.0));
							    mpOutputDevice->SetFillColor(Color(aPolygonColor));
							    mpOutputDevice->SetLineColor();

							    // call VCL directly; encapsulate with SvtGraphicFill
                                impStartSvtGraphicFill(pSvtGraphicFill);
							    mpOutputDevice->DrawTransparent(
								    PolyPolygon(aLocalPolyPolygon),
								    nTransPercentVcl);
							    impEndSvtGraphicFill(pSvtGraphicFill);
						    }
						    else
						    {
							    // svae old mfCurrentUnifiedTransparence and set new one
							    // so that contained SvtGraphicStroke may use the current one
							    const double fLastCurrentUnifiedTransparence(mfCurrentUnifiedTransparence);
                                // #i105377# paint the content metafile opaque as the transparency gets
                                // split of into the gradient below
							    // mfCurrentUnifiedTransparence = rUniTransparenceCandidate.getTransparence();
							    mfCurrentUnifiedTransparence = 0;

							    // various content, create content-metafile
							    GDIMetaFile aContentMetafile;
                                const Rectangle aPrimitiveRectangle(impDumpToMetaFile(rContent, aContentMetafile));

							    // restore mfCurrentUnifiedTransparence; it may have been used
							    // while processing the sub-content in impDumpToMetaFile
							    mfCurrentUnifiedTransparence = fLastCurrentUnifiedTransparence;

							    // create uniform VCL gradient for uniform transparency
							    Gradient aVCLGradient;
							    const sal_uInt8 nTransPercentVcl((sal_uInt8)basegfx::fround(rUniTransparenceCandidate.getTransparence() * 255.0));
							    const Color aTransColor(nTransPercentVcl, nTransPercentVcl, nTransPercentVcl);

							    aVCLGradient.SetStyle(GRADIENT_LINEAR);
							    aVCLGradient.SetStartColor(aTransColor);
							    aVCLGradient.SetEndColor(aTransColor);
							    aVCLGradient.SetAngle(0);
							    aVCLGradient.SetBorder(0);
							    aVCLGradient.SetOfsX(0);
							    aVCLGradient.SetOfsY(0);
							    aVCLGradient.SetStartIntensity(100);
							    aVCLGradient.SetEndIntensity(100);
							    aVCLGradient.SetSteps(2);

							    // render it to VCL
							    mpOutputDevice->DrawTransparent(
								    aContentMetafile, aPrimitiveRectangle.TopLeft(),
								    aPrimitiveRectangle.GetSize(), aVCLGradient);
						    }
					    }
                    }

					break;
				}
				case PRIMITIVE2D_ID_TRANSPARENCEPRIMITIVE2D :
				{
					// for metafile: Need to examine what the pure vcl version is doing here actually
					// - uses DrawTransparent with metafile for content and a gradient
					// i can detect this here with checking the gradient part for a single
					// FillGradientPrimitive2D and reconstruct the gradient.
					// If that detection goes wrong, i have to create an transparence-blended bitmap. Eventually
					// do that in stripes, else RenderTransparencePrimitive2D may just be used
					const primitive2d::TransparencePrimitive2D& rTransparenceCandidate = static_cast< const primitive2d::TransparencePrimitive2D& >(rCandidate);
					const primitive2d::Primitive2DSequence rContent = rTransparenceCandidate.getChildren();
					const primitive2d::Primitive2DSequence rTransparence = rTransparenceCandidate.getTransparence();

					if(rContent.hasElements() && rTransparence.hasElements())
					{
						// try to identify a single FillGradientPrimitive2D in the
						// transparence part of the primitive
						const primitive2d::FillGradientPrimitive2D* pFiGradient = 0;
						static bool bForceToBigTransparentVDev(false);

						if(!bForceToBigTransparentVDev && 1 == rTransparence.getLength())
						{
							const primitive2d::Primitive2DReference xReference(rTransparence[0]);
							pFiGradient = dynamic_cast< const primitive2d::FillGradientPrimitive2D* >(xReference.get());
						}

						// Check also for correct ID to exclude derived implementations
						if(pFiGradient && PRIMITIVE2D_ID_FILLGRADIENTPRIMITIVE2D == pFiGradient->getPrimitive2DID())
						{
							// various content, create content-metafile
							GDIMetaFile aContentMetafile;
                            const Rectangle aPrimitiveRectangle(impDumpToMetaFile(rContent, aContentMetafile));

							// re-create a VCL-gradient from FillGradientPrimitive2D
							Gradient aVCLGradient;
                            impConvertFillGradientAttributeToVCLGradient(aVCLGradient, pFiGradient->getFillGradient(), true);

							// render it to VCL
							mpOutputDevice->DrawTransparent(
								aContentMetafile, aPrimitiveRectangle.TopLeft(),
								aPrimitiveRectangle.GetSize(), aVCLGradient);
                        }
                        else
                        {
	    				    // sub-transparence group. Draw to VDev first.
                            // this may get refined to tiling when resolution is too big here

                            // need to avoid switching off MapMode stuff here; maybe need another
                            // tooling class, cannot just do the same as with the pixel renderer.
                            // Need to experiment...

                            // Okay, basic implementation finished and tested. The DPI stuff was hard
                            // and not easy to find out that it's needed.
                            // Since this will not yet happen normally (as long as noone constructs
                            // transparence primitives with non-trivial transparence content) i will for now not
                            // refine to tiling here.

				            basegfx::B2DRange aViewRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rContent, getViewInformation2D()));
				            aViewRange.transform(maCurrentTransformation);
		                    const Rectangle aRectLogic(
			                    (sal_Int32)floor(aViewRange.getMinX()), (sal_Int32)floor(aViewRange.getMinY()),
			                    (sal_Int32)ceil(aViewRange.getMaxX()), (sal_Int32)ceil(aViewRange.getMaxY()));
		                    const Rectangle aRectPixel(mpOutputDevice->LogicToPixel(aRectLogic));
                            Size aSizePixel(aRectPixel.GetSize());
                    		const Point aEmptyPoint;
                            VirtualDevice aBufferDevice;
                            const sal_uInt32 nMaxQuadratPixels(500000);
                            const sal_uInt32 nViewVisibleArea(aSizePixel.getWidth() * aSizePixel.getHeight());
                            double fReduceFactor(1.0);

                            if(nViewVisibleArea > nMaxQuadratPixels)
                            {
                                // reduce render size
                                fReduceFactor = sqrt((double)nMaxQuadratPixels / (double)nViewVisibleArea);
                                aSizePixel = Size(basegfx::fround((double)aSizePixel.getWidth() * fReduceFactor),
                                    basegfx::fround((double)aSizePixel.getHeight() * fReduceFactor));
                            }

                            if(aBufferDevice.SetOutputSizePixel(aSizePixel))
                            {
                                // create and set MapModes for target devices
		                        MapMode aNewMapMode(mpOutputDevice->GetMapMode());
		                        aNewMapMode.SetOrigin(Point(-aRectLogic.Left(), -aRectLogic.Top()));
		                        aBufferDevice.SetMapMode(aNewMapMode);

                                // prepare view transformation for target renderers
                                // ATTENTION! Need to apply another scaling because of the potential DPI differences
                                // between Printer and VDev (mpOutputDevice and aBufferDevice here).
                                // To get the DPI, LogicToPixel from (1,1) from MAP_INCH needs to be used.
                                basegfx::B2DHomMatrix aViewTransform(aBufferDevice.GetViewTransformation());
                                const Size aDPIOld(mpOutputDevice->LogicToPixel(Size(1, 1), MAP_INCH));
                                const Size aDPINew(aBufferDevice.LogicToPixel(Size(1, 1), MAP_INCH));
                                const double fDPIXChange((double)aDPIOld.getWidth() / (double)aDPINew.getWidth());
                                const double fDPIYChange((double)aDPIOld.getHeight() / (double)aDPINew.getHeight());

                                if(!basegfx::fTools::equal(fDPIXChange, 1.0) || !basegfx::fTools::equal(fDPIYChange, 1.0))
                                {
                                    aViewTransform.scale(fDPIXChange, fDPIYChange);
                                }

                                // also take scaling from Size reduction into acount
                                if(!basegfx::fTools::equal(fReduceFactor, 1.0))
                                {
                                    aViewTransform.scale(fReduceFactor, fReduceFactor);
                                }

                                // create view information and pixel renderer. Reuse known ViewInformation
								// except new transformation and range
                                const geometry::ViewInformation2D aViewInfo(
									getViewInformation2D().getObjectTransformation(),
									aViewTransform,
									aViewRange,
									getViewInformation2D().getVisualizedPage(),
									getViewInformation2D().getViewTime(),
									getViewInformation2D().getExtendedInformationSequence());

								VclPixelProcessor2D aBufferProcessor(aViewInfo, aBufferDevice);

                                // draw content using pixel renderer
				                aBufferProcessor.process(rContent);
	                            const Bitmap aBmContent(aBufferDevice.GetBitmap(aEmptyPoint, aSizePixel));

                                // draw transparence using pixel renderer
                                aBufferDevice.Erase();
				                aBufferProcessor.process(rTransparence);
                        		const AlphaMask aBmAlpha(aBufferDevice.GetBitmap(aEmptyPoint, aSizePixel));

#ifdef DBG_UTIL
                                static bool bDoSaveForVisualControl(false);
			                    if(bDoSaveForVisualControl)
			                    {
				                    SvFileStream aNew(String(ByteString( "c:\\test.bmp" ), RTL_TEXTENCODING_UTF8), STREAM_WRITE|STREAM_TRUNC);
				                    aNew << aBmContent;
			                    }
#endif

                                // paint
                                mpOutputDevice->DrawBitmapEx(
                                    aRectLogic.TopLeft(),
                                    aRectLogic.GetSize(),
                                    BitmapEx(aBmContent, aBmAlpha));
                            }
                        }
                    }

					break;
				}
				case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
				{
					// use default transform group pocessing
					RenderTransformPrimitive2D(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
					break;
				}
                case PRIMITIVE2D_ID_PAGEPREVIEWPRIMITIVE2D :
				{
					// new XDrawPage for ViewInformation2D
					RenderPagePreviewPrimitive2D(static_cast< const primitive2d::PagePreviewPrimitive2D& >(rCandidate));
					break;
				}
				case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
				{
					// use default marker array pocessing
					RenderMarkerArrayPrimitive2D(static_cast< const primitive2d::MarkerArrayPrimitive2D& >(rCandidate));
					break;
				}
				case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
				{
					// use default point array pocessing
					RenderPointArrayPrimitive2D(static_cast< const primitive2d::PointArrayPrimitive2D& >(rCandidate));
					break;
				}
				case PRIMITIVE2D_ID_STRUCTURETAGPRIMITIVE2D :
				{
					// structured tag primitive
					const primitive2d::StructureTagPrimitive2D& rStructureTagCandidate = static_cast< const primitive2d::StructureTagPrimitive2D& >(rCandidate);
					const vcl::PDFWriter::StructElement& rTagElement(rStructureTagCandidate.getStructureElement());
					const bool bTagUsed(vcl::PDFWriter::NonStructElement != rTagElement);

					if(mpPDFExtOutDevData &&  bTagUsed)
					{
						// write start tag
						mpPDFExtOutDevData->BeginStructureElement(rTagElement);
					}

					// proccess childs normally
					process(rStructureTagCandidate.getChildren());

					if(mpPDFExtOutDevData &&  bTagUsed)
					{
						// write end tag
						mpPDFExtOutDevData->EndStructureElement();
					}

					break;
				}
                case PRIMITIVE2D_ID_EPSPRIMITIVE2D :
                {
					RenderEpsPrimitive2D(static_cast< const primitive2d::EpsPrimitive2D& >(rCandidate));
                    break;
                }
				default :
				{
                    // process recursively
					process(rCandidate.get2DDecomposition(getViewInformation2D()));
					break;
				}
			}
		}
	} // end of namespace processor2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof