path: root/drawinglayer/source/processor2d/vclprocessor2d.cxx

/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: vclprocessor2d.cxx,v $
 *
 *  $Revision: 1.11 $
 *
 *  last change: $Author: aw $ $Date: 2007-07-27 09:03:34 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLPROCESSOR2D_HXX
#include <drawinglayer/processor2d/vclprocessor2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE_TEXTPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/textprimitive2d.hxx>
#endif

#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif

#ifndef _SV_OUTDEV_HXX
#include <vcl/outdev.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYGONPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_BITMAPPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBITMAPTRANSFORM_HXX
#include <vclhelperbitmaptransform.hxx>
#endif

#ifndef _BGFX_POLYGON_B2DPOLYGONTOOLS_HXX
#include <basegfx/polygon/b2dpolygontools.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBITMAPRENDER_HXX
#include <vclhelperbitmaprender.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_SDRFILLBITMAPATTRIBUTE_HXX
#include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLBITMAPPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/fillbitmapprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_FILLATTRIBUTE_HXX
#include <drawinglayer/attribute/fillattribute.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYPOLYGONPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERGRADIENT_HXX
#include <vclhelpergradient.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#endif

#ifndef _BGFX_POLYPOLYGON_B2DPOLYGONTOOLS_HXX
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_VCLHELPERBUFFERDEVICE_HXX
#include <vclhelperbufferdevice.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MODIFIEDCOLORPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_ALPHAPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/alphaprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TRANSFORMPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MARKERARRAYPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/markerarrayprimitive2d.hxx>
#endif

#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POINTRARRAYPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/pointarrayprimitive2d.hxx>
#endif

#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
#include <basegfx/tools/canvastools.hxx>
#endif

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

using namespace com::sun::star;

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

namespace drawinglayer
{
    namespace processor2d
    {
        //////////////////////////////////////////////////////////////////////////////
        // rendering support

        // directdraw of text simple portion or decorated portion primitive. When decorated, all the extra
        // information is translated to VCL parameters and set at the font.
        // Acceptance is restricted to no shearing and positive scaling in X and Y (no font mirroring
        // for VCL)
        void VclProcessor2D::RenderTextSimpleOrDecoratedPortionPrimitive2D(const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate)
        {
            // decompose matrix to have position and size of text
            basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rTextCandidate.getTextTransform());
            basegfx::B2DVector aScale, aTranslate;
            double fRotate, fShearX;
            aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);
            bool bPrimitiveAccepted(false);

            if(basegfx::fTools::equalZero(fShearX))
            {
                if(basegfx::fTools::less(aScale.getX(), 0.0) && basegfx::fTools::less(aScale.getY(), 0.0))
                {
                    // handle special case: If scale is negative in (x,y) (3rd quadrant), it can
                    // be expressed as rotation by PI
                    aScale = basegfx::absolute(aScale);
                    fRotate += F_PI;
                }

                if(basegfx::fTools::more(aScale.getX(), 0.0) && basegfx::fTools::more(aScale.getY(), 0.0))
                {
                    // prepare everything that is not sheared and mirrored
                    Font aFont(primitive2d::getVclFontFromFontAttributes(rTextCandidate.getFontAttributes(), aScale, fRotate));

                    // handle additional font attributes
                    const primitive2d::TextDecoratedPortionPrimitive2D* pTCPP =
                        dynamic_cast<const primitive2d::TextDecoratedPortionPrimitive2D*>( &rTextCandidate );

                    if( pTCPP != NULL )
                    {
                        // set Underline attribute
                        FontUnderline eFontUnderline = UNDERLINE_NONE;
                        switch( pTCPP->getFontUnderline() )
                        {
                            default:
                                DBG_WARNING1( "DrawingLayer: Unknown underline attribute (%d)!", pTCPP->getFontUnderline() );
                                // fall through
                            case primitive2d::FONT_UNDERLINE_NONE:      eFontUnderline = UNDERLINE_NONE; break;
                            case primitive2d::FONT_UNDERLINE_SINGLE:    eFontUnderline = UNDERLINE_SINGLE; break;
                            case primitive2d::FONT_UNDERLINE_DOUBLE:    eFontUnderline = UNDERLINE_DOUBLE; break;
                            case primitive2d::FONT_UNDERLINE_DOTTED:    eFontUnderline = UNDERLINE_DOTTED; break;
                            case primitive2d::FONT_UNDERLINE_DASH:      eFontUnderline = UNDERLINE_DASH; break;
                            case primitive2d::FONT_UNDERLINE_LONGDASH:  eFontUnderline = UNDERLINE_LONGDASH; break;
                            case primitive2d::FONT_UNDERLINE_DASHDOT:   eFontUnderline = UNDERLINE_DASHDOT; break;
                            case primitive2d::FONT_UNDERLINE_DASHDOTDOT:eFontUnderline = UNDERLINE_DASHDOTDOT; break;
                            case primitive2d::FONT_UNDERLINE_SMALLWAVE: eFontUnderline = UNDERLINE_SMALLWAVE; break;
                            case primitive2d::FONT_UNDERLINE_WAVE:      eFontUnderline = UNDERLINE_WAVE; break;
                            case primitive2d::FONT_UNDERLINE_DOUBLEWAVE:eFontUnderline = UNDERLINE_DOUBLEWAVE; break;
                            case primitive2d::FONT_UNDERLINE_BOLD:      eFontUnderline = UNDERLINE_BOLD; break;
                            case primitive2d::FONT_UNDERLINE_BOLDDOTTED:eFontUnderline = UNDERLINE_BOLDDOTTED; break;
                            case primitive2d::FONT_UNDERLINE_BOLDDASH:  eFontUnderline = UNDERLINE_BOLDDASH; break;
                            case primitive2d::FONT_UNDERLINE_BOLDLONGDASH:eFontUnderline = UNDERLINE_LONGDASH; break;
                            case primitive2d::FONT_UNDERLINE_BOLDDASHDOT:eFontUnderline = UNDERLINE_BOLDDASHDOT; break;
                            case primitive2d::FONT_UNDERLINE_BOLDDASHDOTDOT:eFontUnderline = UNDERLINE_BOLDDASHDOT; break;
                            case primitive2d::FONT_UNDERLINE_BOLDWAVE:  eFontUnderline = UNDERLINE_BOLDWAVE; break;
                        }

                        if( eFontUnderline != UNDERLINE_NONE )
                        {
                            aFont.SetUnderline( eFontUnderline );
                            if( pTCPP->getWordLineMode() )
                                aFont.SetWordLineMode( true );
//TODO: ???                 if( pTCPP->getUnderlineAbove() )
//                              aFont.SetUnderlineAbove( true );
                        }

                        // set Strikeout attribute
                        FontStrikeout eFontStrikeout = STRIKEOUT_NONE;
                        switch( pTCPP->getFontStrikeout() )
                        {
                            default:
                                DBG_WARNING1( "DrawingLayer: Unknown strikeout attribute (%d)!", pTCPP->getFontUnderline() );
                                // fall through
                            case primitive2d::FONT_STRIKEOUT_NONE:      eFontStrikeout = STRIKEOUT_NONE; break;
                            case primitive2d::FONT_STRIKEOUT_SINGLE:    eFontStrikeout = STRIKEOUT_SINGLE; break;
                            case primitive2d::FONT_STRIKEOUT_DOUBLE:    eFontStrikeout = STRIKEOUT_DOUBLE; break;
                            case primitive2d::FONT_STRIKEOUT_BOLD:      eFontStrikeout = STRIKEOUT_BOLD; break;
                            case primitive2d::FONT_STRIKEOUT_SLASH:     eFontStrikeout = STRIKEOUT_SLASH; break;
                            case primitive2d::FONT_STRIKEOUT_X:         eFontStrikeout = STRIKEOUT_X; break;
                        }

                        if( eFontStrikeout != STRIKEOUT_NONE )
                            aFont.SetStrikeout( eFontStrikeout );

                        // set EmphasisMark attribute
                        FontEmphasisMark eFontEmphasisMark = EMPHASISMARK_NONE;
                        switch( pTCPP->getFontEmphasisMark() )
                        {
                            default:
                                DBG_WARNING1( "DrawingLayer: Unknown EmphasisMark style (%d)!", pTCPP->getFontEmphasisMark() );
                                // fall through
                            case primitive2d::FONT_EMPHASISMARK_NONE:   eFontEmphasisMark = EMPHASISMARK_NONE; break;
                            case primitive2d::FONT_EMPHASISMARK_DOT:    eFontEmphasisMark = EMPHASISMARK_DOT; break;
                            case primitive2d::FONT_EMPHASISMARK_CIRCLE: eFontEmphasisMark = EMPHASISMARK_CIRCLE; break;
                            case primitive2d::FONT_EMPHASISMARK_DISC:   eFontEmphasisMark = EMPHASISMARK_DISC; break;
                            case primitive2d::FONT_EMPHASISMARK_ACCENT: eFontEmphasisMark = EMPHASISMARK_ACCENT; break;
                        }

                        if( eFontEmphasisMark != EMPHASISMARK_NONE )
                        {
                            DBG_ASSERT( (pTCPP->getEmphasisMarkAbove() != pTCPP->getEmphasisMarkBelow()),
                                "DrawingLayer: Bad EmphasisMark position!" );
                            if( pTCPP->getEmphasisMarkAbove() )
                                eFontEmphasisMark |= EMPHASISMARK_POS_ABOVE;
                            else
                                eFontEmphasisMark |= EMPHASISMARK_POS_BELOW;
                            aFont.SetEmphasisMark( eFontEmphasisMark );
                        }

                        // set Relief attribute
                        FontRelief eFontRelief = RELIEF_NONE;
                        switch( pTCPP->getFontRelief() )
                        {
                            default:
                                DBG_WARNING1( "DrawingLayer: Unknown Relief style (%d)!", pTCPP->getFontRelief() );
                                // fall through
                            case primitive2d::FONT_RELIEF_NONE:     eFontRelief = RELIEF_NONE; break;
                            case primitive2d::FONT_RELIEF_EMBOSSED: eFontRelief = RELIEF_EMBOSSED; break;
                            case primitive2d::FONT_RELIEF_ENGRAVED: eFontRelief = RELIEF_ENGRAVED; break;
                        }

                        if( eFontRelief != RELIEF_NONE )
                            aFont.SetRelief( eFontRelief );

                        // set Shadow attribute
                        if( pTCPP->getShadow() )
                            aFont.SetShadow( true );
                    }

                    mpOutputDevice->SetFont(aFont);

                    // create transformed integer DXArray in view coordinate system
                    ::std::vector< sal_Int32 > aTransformedDXArray;

                    if(rTextCandidate.getDXArray().size())
                    {
                        aTransformedDXArray.reserve(rTextCandidate.getDXArray().size());
                        const basegfx::B2DVector aPixelVector(aLocalTransform * basegfx::B2DVector(1.0, 0.0));
                        const double fPixelVectorLength(aPixelVector.getLength());

                        for(::std::vector< double >::const_iterator aStart(rTextCandidate.getDXArray().begin()); aStart != rTextCandidate.getDXArray().end(); aStart++)
                        {
                            aTransformedDXArray.push_back(basegfx::fround((*aStart) * fPixelVectorLength));
                        }
                    }

                    // set parameters and paint
                    const basegfx::BColor aRGBFontColor(maBColorModifierStack.getModifiedColor(rTextCandidate.getFontColor()));
                    mpOutputDevice->SetTextColor(Color(aRGBFontColor));
                    const basegfx::B2DPoint aPoint(aLocalTransform * basegfx::B2DPoint(0.0, 0.0));
                    const Point aStartPoint(basegfx::fround(aPoint.getX()), basegfx::fround(aPoint.getY()));
                    mpOutputDevice->DrawTextArray(aStartPoint, rTextCandidate.getText(),
                        aTransformedDXArray.size() ? &(aTransformedDXArray[0]) : NULL);
                    bPrimitiveAccepted = true;
                }
            }

            if(!bPrimitiveAccepted)
            {
                // let break down
                process(rTextCandidate.get2DDecomposition(getViewInformation2D()));
            }
        }

        // direct draw of hairline
        void VclProcessor2D::RenderPolygonHairlinePrimitive2D(const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate)
        {
            const basegfx::BColor aHairlineColor(maBColorModifierStack.getModifiedColor(rPolygonCandidate.getBColor()));
            mpOutputDevice->SetLineColor(Color(aHairlineColor));
            mpOutputDevice->SetFillColor();

            basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
            aLocalPolygon.transform(maCurrentTransformation);
            mpOutputDevice->DrawPolyLine(aLocalPolygon,0.0);
        }

        // direct draw of transformed BitmapEx primitive
        void VclProcessor2D::RenderBitmapPrimitive2D(const primitive2d::BitmapPrimitive2D& rBitmapCandidate)
        {
            // create local transform
            basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rBitmapCandidate.getTransform());
            BitmapEx aBitmapEx(rBitmapCandidate.getBitmapEx());
            bool bPainted(false);

            if(maBColorModifierStack.count())
            {
                aBitmapEx = impModifyBitmapEx(maBColorModifierStack, aBitmapEx);

                if(aBitmapEx.IsEmpty())
                {
                    // color gets completely replaced, get it
                    const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
                    basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0)));
                    aPolygon.transform(aLocalTransform);

                    mpOutputDevice->SetFillColor(Color(aModifiedColor));
                    mpOutputDevice->SetLineColor();
                    mpOutputDevice->DrawPolygon(aPolygon);

                    bPainted = true;
                }
            }

            if(!bPainted)
            {
                static bool bForceUseOfOwnTransformer(false);
                static bool bUseGraphicManager(true);

                // decompose matrix to check for shear, rotate and mirroring
                basegfx::B2DVector aScale, aTranslate;
                double fRotate, fShearX;
                aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);

                if(!bForceUseOfOwnTransformer && basegfx::fTools::equalZero(fShearX))
                {
                    if(!bUseGraphicManager && basegfx::fTools::equalZero(fRotate))
                    {
                        RenderBitmapPrimitive2D_BitmapEx(*mpOutputDevice, aBitmapEx, aLocalTransform);
                    }
                    else
                    {
                        RenderBitmapPrimitive2D_GraphicManager(*mpOutputDevice, aBitmapEx, aLocalTransform);
                    }
                }
                else
                {
                    if(!aBitmapEx.IsTransparent() && (!basegfx::fTools::equalZero(fShearX) || !basegfx::fTools::equalZero(fRotate)))
                    {
                        // parts will be uncovered, extend aBitmapEx with a mask bitmap
                        const Bitmap aContent(aBitmapEx.GetBitmap());
                        aBitmapEx = BitmapEx(aContent, Bitmap(aContent.GetSizePixel(), 1));
                    }

                    RenderBitmapPrimitive2D_self(*mpOutputDevice, aBitmapEx, aLocalTransform);
                }
            }
        }

        void VclProcessor2D::RenderFillBitmapPrimitive2D(const primitive2d::FillBitmapPrimitive2D& rFillBitmapCandidate)
        {
            const attribute::FillBitmapAttribute& rFillBitmapAttribute(rFillBitmapCandidate.getFillBitmap());
            bool bPrimitiveAccepted(false);

            if(rFillBitmapAttribute.getTiling())
            {
                // decompose matrix to check for shear, rotate and mirroring
                basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rFillBitmapCandidate.getTransformation());
                basegfx::B2DVector aScale, aTranslate;
                double fRotate, fShearX;
                aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);

                if(basegfx::fTools::equalZero(fRotate) && basegfx::fTools::equalZero(fShearX))
                {
                    // no shear or rotate, draw direct in pixel coordinates
                    bPrimitiveAccepted = true;
                    BitmapEx aBitmapEx(rFillBitmapAttribute.getBitmap());
                    bool bPainted(false);

                    if(maBColorModifierStack.count())
                    {
                        aBitmapEx = impModifyBitmapEx(maBColorModifierStack, aBitmapEx);

                        if(aBitmapEx.IsEmpty())
                        {
                            // color gets completely replaced, get it
                            const basegfx::BColor aModifiedColor(maBColorModifierStack.getModifiedColor(basegfx::BColor()));
                            basegfx::B2DPolygon aPolygon(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0)));
                            aPolygon.transform(aLocalTransform);

                            mpOutputDevice->SetFillColor(Color(aModifiedColor));
                            mpOutputDevice->SetLineColor();
                            mpOutputDevice->DrawPolygon(aPolygon);

                            bPainted = true;
                        }
                    }

                    if(!bPainted)
                    {
                        const basegfx::B2DPoint aObjTopLeft(aTranslate.getX(), aTranslate.getY());
                        const basegfx::B2DPoint aObjBottomRight(aTranslate.getX() + aScale.getX(), aTranslate.getY() + aScale.getY());
                        const Point aObjTL(mpOutputDevice->LogicToPixel(Point((sal_Int32)aObjTopLeft.getX(), (sal_Int32)aObjTopLeft.getY())));
                        const Point aObjBR(mpOutputDevice->LogicToPixel(Point((sal_Int32)aObjBottomRight.getX(), (sal_Int32)aObjBottomRight.getY())));

                        const basegfx::B2DPoint aBmpTopLeft(aLocalTransform * rFillBitmapAttribute.getTopLeft());
                        const basegfx::B2DPoint aBmpBottomRight(aLocalTransform * basegfx::B2DPoint(rFillBitmapAttribute.getTopLeft() + rFillBitmapAttribute.getSize()));
                        const Point aBmpTL(mpOutputDevice->LogicToPixel(Point((sal_Int32)aBmpTopLeft.getX(), (sal_Int32)aBmpTopLeft.getY())));
                        const Point aBmpBR(mpOutputDevice->LogicToPixel(Point((sal_Int32)aBmpBottomRight.getX(), (sal_Int32)aBmpBottomRight.getY())));

                        sal_Int32 nOWidth(aObjBR.X() - aObjTL.X());
                        sal_Int32 nOHeight(aObjBR.Y() - aObjTL.Y());

                        if(nOWidth < 0L)
                        {
                            nOWidth = 1L;
                        }

                        if(nOHeight < 0L)
                        {
                            nOHeight = 1L;
                        }

                        sal_Int32 nBWidth(aBmpBR.X() - aBmpTL.X());
                        sal_Int32 nBHeight(aBmpBR.Y() - aBmpTL.Y());

                        if(nBWidth < 0L)
                        {
                            nBWidth = 1L;
                        }

                        if(nBHeight < 0L)
                        {
                            nBHeight = 1L;
                        }

                        sal_Int32 nBLeft(aBmpTL.X());
                        sal_Int32 nBTop(aBmpTL.Y());

                        if(nBLeft > aObjTL.X())
                        {
                            nBLeft -= ((nBLeft / nBWidth) + 1L) * nBWidth;
                        }

                        if(nBLeft + nBWidth <= aObjTL.X())
                        {
                            nBLeft -= (nBLeft / nBWidth) * nBWidth;
                        }

                        if(nBTop > aObjTL.Y())
                        {
                            nBTop -= ((nBTop / nBHeight) + 1L) * nBHeight;
                        }

                        if(nBTop + nBHeight <= aObjTL.Y())
                        {
                            nBTop -= (nBTop / nBHeight) * nBHeight;
                        }

                        // nBWidth, nBHeight is the pixel size of the neede bitmap. To not need to scale it
                        // in vcl many times, create a size-optimized version
                        const Size aNeededBitmapSizePixel(nBWidth, nBHeight);

                        if(aNeededBitmapSizePixel != aBitmapEx.GetSizePixel())
                        {
                            aBitmapEx.Scale(aNeededBitmapSizePixel);
                        }

                        // prepare OutDev
                        const Point aEmptyPoint(0, 0);
                        const Rectangle aVisiblePixel(aEmptyPoint, mpOutputDevice->GetOutputSizePixel());
                        const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());
                        mpOutputDevice->EnableMapMode(false);

                        for(sal_Int32 nXPos(nBLeft); nXPos < aObjTL.X() + nOWidth; nXPos += nBWidth)
                        {
                            for(sal_Int32 nYPos(nBTop); nYPos < aObjTL.Y() + nOHeight; nYPos += nBHeight)
                            {
                                const Rectangle aOutRectPixel(Point(nXPos, nYPos), aNeededBitmapSizePixel);

                                if(aOutRectPixel.IsOver(aVisiblePixel))
                                {
                                    mpOutputDevice->DrawBitmapEx(aOutRectPixel.TopLeft(), aBitmapEx);
                                }
                            }
                        }

                        // restore OutDev
                        mpOutputDevice->EnableMapMode(bWasEnabled);
                    }
                }
            }

            if(!bPrimitiveAccepted)
            {
                // do not accept, use decomposition
                process(rFillBitmapCandidate.get2DDecomposition(getViewInformation2D()));
            }
        }

        // direct draw of gradient
        void VclProcessor2D::RenderPolyPolygonGradientPrimitive2D(const primitive2d::PolyPolygonGradientPrimitive2D& rPolygonCandidate)
        {
            const attribute::FillGradientAttribute& rGradient(rPolygonCandidate.getFillGradient());
            basegfx::BColor aStartColor(maBColorModifierStack.getModifiedColor(rGradient.getStartColor()));
            basegfx::BColor aEndColor(maBColorModifierStack.getModifiedColor(rGradient.getEndColor()));
            basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
            aLocalPolyPolygon.transform(maCurrentTransformation);

            if(aStartColor == aEndColor)
            {
                // no gradient at all, draw as polygon
                mpOutputDevice->SetLineColor();
                mpOutputDevice->SetFillColor(Color(aStartColor));
                mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
            }
            else
            {
                impDrawGradientToOutDev(
                    *mpOutputDevice, aLocalPolyPolygon, rGradient.getStyle(), rGradient.getSteps(),
                    aStartColor, aEndColor, rGradient.getBorder(),
                    -rGradient.getAngle(), rGradient.getOffsetX(), rGradient.getOffsetY(), false);
            }
        }

        // direct draw of PolyPolygon with color
        void VclProcessor2D::RenderPolyPolygonColorPrimitive2D(const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate)
        {
            const basegfx::BColor aPolygonColor(maBColorModifierStack.getModifiedColor(rPolygonCandidate.getBColor()));
            mpOutputDevice->SetFillColor(Color(aPolygonColor));
            mpOutputDevice->SetLineColor();

            basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
            aLocalPolyPolygon.transform(maCurrentTransformation);
            mpOutputDevice->DrawPolyPolygon(aLocalPolyPolygon);
        }

        // direct draw of MetaFile
        void VclProcessor2D::RenderMetafilePrimitive2D(const primitive2d::MetafilePrimitive2D& rMetaCandidate)
        {
            // decompose matrix to check for shear, rotate and mirroring
            basegfx::B2DHomMatrix aLocalTransform(maCurrentTransformation * rMetaCandidate.getTransform());
            basegfx::B2DVector aScale, aTranslate;
            double fRotate, fShearX;
            aLocalTransform.decompose(aScale, aTranslate, fRotate, fShearX);

            // get BoundRect
            basegfx::B2DRange aOutlineRange(rMetaCandidate.getB2DRange(getViewInformation2D()));
            aOutlineRange.transform(maCurrentTransformation);
            const Rectangle aDestRectView(
                basegfx::fround(aOutlineRange.getMinX()), basegfx::fround(aOutlineRange.getMinY()),
                basegfx::fround(aOutlineRange.getMaxX()), basegfx::fround(aOutlineRange.getMaxY()));

            // get metafile (copy it)
            GDIMetaFile aMetaFile;

            if(maBColorModifierStack.count())
            {
                const basegfx::BColor aRGBBaseColor(0, 0, 0);
                const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(aRGBBaseColor));
                aMetaFile = rMetaCandidate.getMetaFile().GetMonochromeMtf(Color(aRGBColor));
            }
            else
            {
                aMetaFile = rMetaCandidate.getMetaFile();
            }

            // rotation
            if(!basegfx::fTools::equalZero(fRotate))
            {
                double fRotation((fRotate / F_PI180) * -10.0);
                aMetaFile.Rotate((sal_uInt16)(fRotation));
            }

            // paint it
            aMetaFile.WindStart();
            aMetaFile.Play(mpOutputDevice, aDestRectView.TopLeft(), aDestRectView.GetSize());
        }

        // mask group. Force output to VDev and create mask from given mask
        void VclProcessor2D::RenderMaskPrimitive2DPixel(const primitive2d::MaskPrimitive2D& rMaskCandidate)
        {
            if(rMaskCandidate.getChildren().hasElements())
            {
                basegfx::B2DPolyPolygon aMask(rMaskCandidate.getMask());

                if(aMask.count())
                {
                    aMask.transform(maCurrentTransformation);
                    const basegfx::B2DRange aRange(basegfx::tools::getRange(aMask));
                    impBufferDevice aBufferDevice(*mpOutputDevice, aRange);

                    if(aBufferDevice.isVisible())
                    {
                        // remember last OutDev and set to content
                        OutputDevice* pLastOutputDevice = mpOutputDevice;
                        mpOutputDevice = &aBufferDevice.getContent();

                        // paint to it
                        process(rMaskCandidate.getChildren());

                        // back to old OutDev
                        mpOutputDevice = pLastOutputDevice;

                        // draw mask
                        VirtualDevice& rMask = aBufferDevice.getMask();
                        rMask.SetLineColor();
                        rMask.SetFillColor(COL_BLACK);
                        rMask.DrawPolyPolygon(aMask);

                        // dump buffer to outdev
                        aBufferDevice.paint();
                    }
                }
            }
        }

        // modified color group. Force output to unified color.
        void VclProcessor2D::RenderModifiedColorPrimitive2D(const primitive2d::ModifiedColorPrimitive2D& rModifiedCandidate)
        {
            if(rModifiedCandidate.getChildren().hasElements())
            {
                maBColorModifierStack.push(rModifiedCandidate.getColorModifier());
                process(rModifiedCandidate.getChildren());
                maBColorModifierStack.pop();
            }
        }

        // sub-transparence group. Draw to VDev first.
        void VclProcessor2D::RenderAlphaPrimitive2D(const primitive2d::AlphaPrimitive2D& rTransCandidate)
        {
            if(rTransCandidate.getChildren().hasElements())
            {
                basegfx::B2DRange aRange(primitive2d::getB2DRangeFromPrimitive2DSequence(rTransCandidate.getChildren(), getViewInformation2D()));
                aRange.transform(maCurrentTransformation);
                impBufferDevice aBufferDevice(*mpOutputDevice, aRange);

                if(aBufferDevice.isVisible())
                {
                    // remember last OutDev and set to content
                    OutputDevice* pLastOutputDevice = mpOutputDevice;
                    mpOutputDevice = &aBufferDevice.getContent();

                    // paint content to it
                    process(rTransCandidate.getChildren());

                    // set to mask
                    mpOutputDevice = &aBufferDevice.getAlpha();

                    // when painting alpha masks, reset the color stack
                    basegfx::BColorModifierStack aLastBColorModifierStack(maBColorModifierStack);
                    maBColorModifierStack = basegfx::BColorModifierStack();

                    // paint mask to it
                    process(rTransCandidate.getAlpha());

                    // back to old color stack
                    maBColorModifierStack = aLastBColorModifierStack;

                    // back to old OutDev
                    mpOutputDevice = pLastOutputDevice;

                    // dump buffer to outdev
                    aBufferDevice.paint();
                }
            }
        }

        // transform group.
        void VclProcessor2D::RenderTransformPrimitive2D(const primitive2d::TransformPrimitive2D& rTransformCandidate)
        {
            // remember current transformation
            basegfx::B2DHomMatrix aLastCurrentTransformation(maCurrentTransformation);

            // create new transformations
            maCurrentTransformation = maCurrentTransformation * rTransformCandidate.getTransformation();

            // let break down
            process(rTransformCandidate.getChildren());

            // restore transformations
            maCurrentTransformation = aLastCurrentTransformation;
        }

        // marker
        void VclProcessor2D::RenderMarkerArrayPrimitive2D(const primitive2d::MarkerArrayPrimitive2D& rMarkArrayCandidate)
        {
            static bool bCheckCompleteMarkerDecompose(false);
            if(bCheckCompleteMarkerDecompose)
            {
                process(rMarkArrayCandidate.get2DDecomposition(getViewInformation2D()));
                return;
            }

            switch(rMarkArrayCandidate.getStyle())
            {
                default :
                {
                    // not handled/unknown MarkerArrayPrimitive2D, use decomposition
                    process(rMarkArrayCandidate.get2DDecomposition(getViewInformation2D()));
                    break;
                }
                case primitive2d::MARKERSTYLE2D_CROSS :
                case primitive2d::MARKERSTYLE2D_GLUEPOINT :
                {
                    // directly supported markers
                    const std::vector< basegfx::B2DPoint >& rPositions = rMarkArrayCandidate.getPositions();
                    const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(rMarkArrayCandidate.getRGBColor()));
                    const Color aVCLColor(aRGBColor);
                    const bool bWasEnabled(mpOutputDevice->IsMapModeEnabled());

                    for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
                    {
                        const basegfx::B2DPoint aViewPosition(maCurrentTransformation * (*aIter));
                        Point aPos(basegfx::fround(aViewPosition.getX()), basegfx::fround(aViewPosition.getY()));

                        aPos = mpOutputDevice->LogicToPixel(aPos);
                        mpOutputDevice->EnableMapMode(false);

                        switch(rMarkArrayCandidate.getStyle())
                        {
                            default :
                            {
                                // this would be an error, ther cases here need to be consistent with the initially
                                // accepted ones
                                OSL_ENSURE(false, "Inconsistent RenderMarkerArrayPrimitive2D implementation (!)");
                                break;
                            }
                            case primitive2d::MARKERSTYLE2D_CROSS :
                            {
                                mpOutputDevice->DrawPixel(aPos, aVCLColor);
                                mpOutputDevice->DrawPixel(Point(aPos.X() - 1L, aPos.Y()), aVCLColor);
                                mpOutputDevice->DrawPixel(Point(aPos.X() + 1L, aPos.Y()), aVCLColor);
                                mpOutputDevice->DrawPixel(Point(aPos.X(), aPos.Y() - 1L), aVCLColor);
                                mpOutputDevice->DrawPixel(Point(aPos.X(), aPos.Y() + 1L), aVCLColor);

                                break;
                            }
                            case primitive2d::MARKERSTYLE2D_GLUEPOINT :
                            {
                                // backpen
                                mpOutputDevice->SetLineColor(aVCLColor);
                                mpOutputDevice->DrawLine(aPos + Point(-2, -3), aPos + Point(+3, +2));
                                mpOutputDevice->DrawLine(aPos + Point(-3, -2), aPos + Point(+2, +3));
                                mpOutputDevice->DrawLine(aPos + Point(-3, +2), aPos + Point(+2, -3));
                                mpOutputDevice->DrawLine(aPos + Point(-2, +3), aPos + Point(+3, -2));

                                // frontpen (hard coded)
                                const basegfx::BColor aRGBFrontColor(maBColorModifierStack.getModifiedColor(Color(COL_LIGHTBLUE).getBColor()));
                                mpOutputDevice->SetLineColor(Color(aRGBFrontColor));
                                mpOutputDevice->DrawLine(aPos + Point(-2, -2), aPos + Point(+2, +2));
                                mpOutputDevice->DrawLine(aPos + Point(-2, +2), aPos + Point(+2, -2));

                                break;
                            }
                        }

                        mpOutputDevice->EnableMapMode(bWasEnabled);
                    }

                    break;
                }
            }
        }

        // point
        void VclProcessor2D::RenderPointArrayPrimitive2D(const primitive2d::PointArrayPrimitive2D& rPointArrayCandidate)
        {
            const std::vector< basegfx::B2DPoint >& rPositions = rPointArrayCandidate.getPositions();
            const basegfx::BColor aRGBColor(maBColorModifierStack.getModifiedColor(rPointArrayCandidate.getRGBColor()));
            const Color aVCLColor(aRGBColor);

            for(std::vector< basegfx::B2DPoint >::const_iterator aIter(rPositions.begin()); aIter != rPositions.end(); aIter++)
            {
                const basegfx::B2DPoint aViewPosition(maCurrentTransformation * (*aIter));
                const Point aPos(basegfx::fround(aViewPosition.getX()), basegfx::fround(aViewPosition.getY()));

                mpOutputDevice->DrawPixel(aPos, aVCLColor);
            }
        }

        //////////////////////////////////////////////////////////////////////////////
        // process support

        void VclProcessor2D::process(const primitive2d::Primitive2DSequence& rSource)
        {
            if(rSource.hasElements())
            {
                const sal_Int32 nCount(rSource.getLength());

                for(sal_Int32 a(0L); a < nCount; a++)
                {
                    // get reference
                    const primitive2d::Primitive2DReference xReference(rSource[a]);

                    if(xReference.is())
                    {
                        // try to cast to BasePrimitive2D implementation
                        const primitive2d::BasePrimitive2D* pBasePrimitive = dynamic_cast< const primitive2d::BasePrimitive2D* >(xReference.get());

                        if(pBasePrimitive)
                        {
                            // it is a BasePrimitive2D implementation, use local processor
                            processBasePrimitive2D(*pBasePrimitive);
                        }
                        else
                        {
                            // unknown implementation, use UNO API call instead and process recursively
                            com::sun::star::graphic::Primitive2DParameters aPrimitive2DParameters;

                            basegfx::unotools::affineMatrixFromHomMatrix(aPrimitive2DParameters.ViewTransformation, getViewInformation2D().getViewTransformation());
                            aPrimitive2DParameters.Viewport = basegfx::unotools::rectangle2DFromB2DRectangle(getViewInformation2D().getViewport());
                            aPrimitive2DParameters.Time = getViewInformation2D().getViewTime();

                            process(xReference->getDecomposition(aPrimitive2DParameters));
                        }
                    }
                }
            }
        }

        VclProcessor2D::VclProcessor2D(
            const geometry::ViewInformation2D& rViewInformation,
            OutputDevice& rOutDev)
        :   BaseProcessor2D(rViewInformation),
            mpOutputDevice(&rOutDev),
            maBColorModifierStack(),
            maCurrentTransformation()
        {
        }

        VclProcessor2D::~VclProcessor2D()
        {
        }
    } // end of namespace processor2d
} // end of namespace drawinglayer

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