path: root/drawinglayer/source/primitive2d/graphicprimitive2d.cxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
#include <drawinglayer/animation/animationtiming.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/primitive2d/animatedprimitive2d.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>

//////////////////////////////////////////////////////////////////////////////
// helper class for animated graphics

#include <vcl/animate.hxx>
#include <vcl/graph.hxx>
#include <vcl/virdev.hxx>
#include <vcl/svapp.hxx>

//////////////////////////////////////////////////////////////////////////////
// includes for testing MetafilePrimitive2D::create2DDecomposition

// this switch defines if the test code is included or not
#undef USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE

#ifdef USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
#include <vcl/gradient.hxx>
#include <vcl/pngread.hxx>
#include <vcl/lineinfo.hxx>
#endif // USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE

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

namespace
{
    struct animationStep
    {
        BitmapEx								maBitmapEx;
        sal_uInt32								mnTime;
    };

    class animatedBitmapExPreparator
    {
        ::Animation								maAnimation;
        ::std::vector< animationStep >			maSteps;

        sal_uInt32 generateStepTime(sal_uInt32 nIndex) const;

    public:
        animatedBitmapExPreparator(const Graphic& rGraphic);

        sal_uInt32 count() const { return maSteps.size(); }
        sal_uInt32 loopCount() const { return (sal_uInt32)maAnimation.GetLoopCount(); }
        sal_uInt32 stepTime(sal_uInt32 a) const { return maSteps[a].mnTime; }
        const BitmapEx& stepBitmapEx(sal_uInt32 a) const { return maSteps[a].maBitmapEx; }
    };

    sal_uInt32 animatedBitmapExPreparator::generateStepTime(sal_uInt32 nIndex) const
    {
        const AnimationBitmap& rAnimBitmap = maAnimation.Get(sal_uInt16(nIndex));
        sal_uInt32 nWaitTime(rAnimBitmap.nWait * 10);

        // #115934#
        // Take care of special value for MultiPage TIFFs. ATM these shall just
        // show their first page. Later we will offer some switching when object
        // is selected.
        if(ANIMATION_TIMEOUT_ON_CLICK == rAnimBitmap.nWait)
        {
            // ATM the huge value would block the timer, so
            // use a long time to show first page (whole day)
            nWaitTime = 100 * 60 * 60 * 24;
        }

        // Bad trap: There are animated gifs with no set WaitTime (!).
        // In that case use a default value.
        if(0L == nWaitTime)
        {
            nWaitTime = 100L;
        }

        return nWaitTime;
    }

    animatedBitmapExPreparator::animatedBitmapExPreparator(const Graphic& rGraphic)
    :	maAnimation(rGraphic.GetAnimation())
    {
        OSL_ENSURE(GRAPHIC_BITMAP == rGraphic.GetType() && rGraphic.IsAnimated(), "animatedBitmapExPreparator: graphic is not animated (!)");

        // #128539# secure access to Animation, looks like there exist animated GIFs out there
        // with a step count of zero
        if(maAnimation.Count())
        {
            VirtualDevice aVirtualDevice(*Application::GetDefaultDevice());
            VirtualDevice aVirtualDeviceMask(*Application::GetDefaultDevice(), 1L);

            // Prepare VirtualDevices and their states
            aVirtualDevice.EnableMapMode(sal_False);
            aVirtualDeviceMask.EnableMapMode(sal_False);
            aVirtualDevice.SetOutputSizePixel(maAnimation.GetDisplaySizePixel());
            aVirtualDeviceMask.SetOutputSizePixel(maAnimation.GetDisplaySizePixel());
            aVirtualDevice.Erase();
            aVirtualDeviceMask.Erase();

            for(sal_uInt16 a(0L); a < maAnimation.Count(); a++)
            {
                animationStep aNextStep;
                aNextStep.mnTime = generateStepTime(a);
    
                // prepare step
                const AnimationBitmap& rAnimBitmap = maAnimation.Get(sal_uInt16(a));

                switch(rAnimBitmap.eDisposal)
                {
                    case DISPOSE_NOT:
                    {
                        aVirtualDevice.DrawBitmapEx(rAnimBitmap.aPosPix, rAnimBitmap.aBmpEx);
                        Bitmap aMask = rAnimBitmap.aBmpEx.GetMask();

                        if(aMask.IsEmpty())
                        {
                            const Point aEmpty;
                            const Rectangle aRect(aEmpty, aVirtualDeviceMask.GetOutputSizePixel());
                            const Wallpaper aWallpaper(COL_BLACK);
                            aVirtualDeviceMask.DrawWallpaper(aRect, aWallpaper);
                        }
                        else
                        {
                            BitmapEx aExpandVisibilityMask = BitmapEx(aMask, aMask);
                            aVirtualDeviceMask.DrawBitmapEx(rAnimBitmap.aPosPix, aExpandVisibilityMask);
                        }

                        break;
                    }
                    case DISPOSE_BACK:
                    {
                        // #i70772# react on no mask, for primitives, too.
                        const Bitmap aMask(rAnimBitmap.aBmpEx.GetMask());
                        const Bitmap aContent(rAnimBitmap.aBmpEx.GetBitmap());

                        aVirtualDeviceMask.Erase();
                        aVirtualDevice.DrawBitmap(rAnimBitmap.aPosPix, aContent);

                        if(aMask.IsEmpty())
                        {
                            const Rectangle aRect(rAnimBitmap.aPosPix, aContent.GetSizePixel());
                            aVirtualDeviceMask.SetFillColor(COL_BLACK);
                            aVirtualDeviceMask.SetLineColor();
                            aVirtualDeviceMask.DrawRect(aRect);
                        }
                        else
                        {
                            aVirtualDeviceMask.DrawBitmap(rAnimBitmap.aPosPix, aMask);
                        }

                        break;
                    }
                    case DISPOSE_FULL:
                    {
                        aVirtualDevice.DrawBitmapEx(rAnimBitmap.aPosPix, rAnimBitmap.aBmpEx);
                        break;
                    }
                    case DISPOSE_PREVIOUS :
                    {
                        aVirtualDevice.DrawBitmapEx(rAnimBitmap.aPosPix, rAnimBitmap.aBmpEx);
                        aVirtualDeviceMask.DrawBitmap(rAnimBitmap.aPosPix, rAnimBitmap.aBmpEx.GetMask());
                        break;
                    }
                }
            
                // create BitmapEx
                Bitmap aMainBitmap = aVirtualDevice.GetBitmap(Point(), aVirtualDevice.GetOutputSizePixel());
                Bitmap aMaskBitmap = aVirtualDeviceMask.GetBitmap(Point(), aVirtualDeviceMask.GetOutputSizePixel());
                aNextStep.maBitmapEx = BitmapEx(aMainBitmap, aMaskBitmap);

                // add to vector
                maSteps.push_back(aNextStep);
            }
        }
    }
} // end of anonymous namespace

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

namespace drawinglayer
{
    namespace primitive2d
    {
        Primitive2DSequence GraphicPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& 
#ifdef USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
            rViewInformation
#else
            /*rViewInformation*/
#endif // USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
            ) const
        {
            Primitive2DSequence aRetval;

            if(255L != getGraphicAttr().GetTransparency())
            {
                Primitive2DReference xPrimitive;

                // do not apply mirroring from GraphicAttr to the Metafile by calling
                // GetTransformedGraphic, this will try to mirror the Metafile using Scale()
                // at the Metafile. This again calls Scale at the single MetaFile actions,
                // but this implementation never worked. I reworked that implementations,
                // but for security reasons i will try not to use it.
                basegfx::B2DHomMatrix aTransform(getTransform());

                if(getGraphicAttr().IsMirrored())
                {
                    // content needs mirroring
                    const bool bHMirr(getGraphicAttr().GetMirrorFlags() & BMP_MIRROR_HORZ);
                    const bool bVMirr(getGraphicAttr().GetMirrorFlags() & BMP_MIRROR_VERT);

                    // mirror by applying negative scale to the unit primitive and
                    // applying the object transformation on it.
                    aTransform = basegfx::tools::createScaleB2DHomMatrix(
                        bHMirr ? -1.0 : 1.0,
                        bVMirr ? -1.0 : 1.0);
                    aTransform.translate(
                        bHMirr ? 1.0 : 0.0,
                        bVMirr ? 1.0 : 0.0);
                    aTransform = getTransform() * aTransform;
                }

                // Get transformed graphic. Suppress rotation and cropping, only filtering is needed
                // here (and may be replaced later on). Cropping is handled below as mask primitive (if set).
                // Also need to suppress mirroring, it is part of the transformation now (see above).
                GraphicAttr aSuppressGraphicAttr(getGraphicAttr());
                aSuppressGraphicAttr.SetCrop(0, 0, 0, 0);
                aSuppressGraphicAttr.SetRotation(0);
                aSuppressGraphicAttr.SetMirrorFlags(0);
                const Graphic aTransformedGraphic(getGraphicObject().GetTransformedGraphic(&aSuppressGraphicAttr));

                switch(aTransformedGraphic.GetType())
                {
                    case GRAPHIC_BITMAP :
                    {
                        if(aTransformedGraphic.IsAnimated())
                        {
                            // prepare animation data
                            animatedBitmapExPreparator aData(aTransformedGraphic);

                            if(aData.count())
                            {
                                // create sub-primitives for animated bitmap and the needed animation loop
                                animation::AnimationEntryLoop aAnimationLoop(aData.loopCount() ? aData.loopCount() : 0xffff);
                                Primitive2DSequence aBitmapPrimitives(aData.count());

                                for(sal_uInt32 a(0L); a < aData.count(); a++)
                                {
                                    animation::AnimationEntryFixed aTime((double)aData.stepTime(a), (double)a / (double)aData.count());
                                    aAnimationLoop.append(aTime);
                                    const Primitive2DReference xRef(new BitmapPrimitive2D(aData.stepBitmapEx(a), aTransform));
                                    aBitmapPrimitives[a] = xRef;
                                }

                                // prepare animation list
                                animation::AnimationEntryList aAnimationList;
                                aAnimationList.append(aAnimationLoop);

                                // create and add animated switch primitive
                                xPrimitive = Primitive2DReference(new AnimatedSwitchPrimitive2D(aAnimationList, aBitmapPrimitives, false));
                            }
                        }
                        else
                        {
                            xPrimitive = Primitive2DReference(new BitmapPrimitive2D(aTransformedGraphic.GetBitmapEx(), aTransform));
                        }

                        break;
                    }

                    case GRAPHIC_GDIMETAFILE :
                    {
#ifdef USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
                        static bool bDoTest(false);

                        if(bDoTest)
                        {
                            // All this is/was test code for testing MetafilePrimitive2D::create2DDecomposition
                            // extensively. It may be needed again when diverse actions need debugging, so i leave 
                            // it in here, but take it out using USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE.
                            // Use it by compiling with the code, insert any DrawObject, convert to Metafile. The
                            // debugger will then stop here (when breakpoint set, of course). You may enter single 
                            // parts of actions and/or change to true what You want to check.
                            GDIMetaFile aMtf;
                            VirtualDevice aOut;
                            const basegfx::B2DRange aRange(getB2DRange(rViewInformation));
                            const Rectangle aRectangle(
                                basegfx::fround(aRange.getMinX()), basegfx::fround(aRange.getMinY()),
                                basegfx::fround(aRange.getMaxX()), basegfx::fround(aRange.getMaxY()));
                            const Point aOrigin(aRectangle.TopLeft());
                            const Fraction aScaleX(aRectangle.getWidth());
                            const Fraction aScaleY(aRectangle.getHeight());
                            MapMode aMapMode(MAP_100TH_MM, aOrigin, aScaleX, aScaleY);

                            Size aDummySize(2, 2);
                            aOut.SetOutputSizePixel(aDummySize);
                            aOut.EnableOutput(FALSE);
                            aOut.SetMapMode(aMapMode);

                            aMtf.Clear();
                            aMtf.Record(&aOut);

                            const Fraction aNeutralFraction(1, 1);
                            const MapMode aRelativeMapMode(
                                MAP_RELATIVE, 
                                Point(-aRectangle.Left(), -aRectangle.Top()), 
                                aNeutralFraction, aNeutralFraction);
                            aOut.SetMapMode(aRelativeMapMode);

                            if(false)
                            {
                                const sal_Int32 nHor(aRectangle.getWidth() / 4);
                                const sal_Int32 nVer(aRectangle.getHeight() / 4);
                                const Rectangle aCenteredRectangle(
                                    aRectangle.Left() + nHor, aRectangle.Top() + nVer,
                                    aRectangle.Right() - nHor, aRectangle.Bottom() - nVer);
                                aOut.SetClipRegion(aCenteredRectangle);
                            }

                            if(false)
                            {
                                const Rectangle aRightRectangle(aRectangle.TopCenter(), aRectangle.BottomRight());
                                aOut.IntersectClipRegion(aRightRectangle);
                            }

                            if(false)
                            {
                                const Rectangle aRightRectangle(aRectangle.TopCenter(), aRectangle.BottomRight());
                                const Rectangle aBottomRectangle(aRectangle.LeftCenter(), aRectangle.BottomRight());
                                Region aRegion(aRightRectangle);
                                aRegion.Intersect(aBottomRectangle);
                                aOut.IntersectClipRegion(aRegion);
                            }

                            if(false)
                            {
                                const sal_Int32 nHor(aRectangle.getWidth() / 10);
                                const sal_Int32 nVer(aRectangle.getHeight() / 10);
                                aOut.MoveClipRegion(nHor, nVer);
                            }

                            if(false)
                            {
                                Wallpaper aWallpaper(Color(COL_BLACK));
                                aOut.DrawWallpaper(aRectangle, aWallpaper);
                            }

                            if(false)
                            {
                                Wallpaper aWallpaper(Gradient(GRADIENT_LINEAR, Color(COL_RED), Color(COL_GREEN)));
                                aOut.DrawWallpaper(aRectangle, aWallpaper);
                            }

                            if(false)
                            {
                                SvFileStream aRead((const String&)String(ByteString( "c:\\test.png" ), RTL_TEXTENCODING_UTF8), STREAM_READ);
                                vcl::PNGReader aPNGReader(aRead);
                                BitmapEx aBitmapEx(aPNGReader.Read());
                                Wallpaper aWallpaper(aBitmapEx);
                                aOut.DrawWallpaper(aRectangle, aWallpaper);
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());
                                Color aColor(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0));

                                for(sal_uInt32 a(0); a < 5000; a++)
                                {
                                    const Point aPoint(
                                        aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                        aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));

                                    if(!(a % 3))
                                    {
                                        aColor = Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0));
                                    }

                                    aOut.DrawPixel(aPoint, aColor);
                                }
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());

                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor();

                                for(sal_uInt32 a(0); a < 5000; a++)
                                {
                                    const Point aPoint(
                                        aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                        aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                    aOut.DrawPixel(aPoint);
                                }
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());

                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor();
                                
                                Point aStart(
                                    aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                    aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                Point aStop(
                                    aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                    aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
        
                                LineInfo aLineInfo(LINE_SOLID, basegfx::fround(fHor / 50.0));
                                bool bUseLineInfo(false);

                                for(sal_uInt32 a(0); a < 20; a++)
                                {
                                    if(!(a%6))
                                    {
                                        bUseLineInfo = !bUseLineInfo;
                                    }

                                    if(!(a%4))
                                    {
                                        aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                    }

                                    if(a%3)
                                    {
                                        aStart = aStop;
                                        aStop = Point(
                                            aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                            aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                    }
                                    else
                                    {
                                        aStart = Point(
                                            aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                            aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                        aStop = Point(
                                            aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                            aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                    }

                                    if(bUseLineInfo)
                                    {
                                        aOut.DrawLine(aStart, aStop, aLineInfo);
                                    }
                                    else
                                    {
                                        aOut.DrawLine(aStart, aStop);
                                    }
                                }
                            }

                            if(false)
                            {
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.DrawRect(aRectangle);
                            }

                            if(false)
                            {
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                const sal_uInt32 nHor(aRectangle.getWidth() / 10);
                                const sal_uInt32 nVer(aRectangle.getHeight() / 10);
                                aOut.DrawRect(aRectangle, nHor, nVer);
                            }

                            if(false)
                            {
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.DrawEllipse(aRectangle);
                            }

                            if(false)
                            {
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.DrawArc(aRectangle, aRectangle.TopLeft(), aRectangle.BottomCenter());
                            }

                            if(false)
                            {
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.DrawPie(aRectangle, aRectangle.TopLeft(), aRectangle.BottomCenter());
                            }

                            if(false)
                            {
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.DrawChord(aRectangle, aRectangle.TopLeft(), aRectangle.BottomCenter());
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());

                                for(sal_uInt32 b(0); b < 5; b++)
                                {
                                    const sal_uInt32 nCount(basegfx::fround(rand() * (20 / 32767.0)));
                                    const bool bClose(basegfx::fround(rand() / 32767.0));
                                    Polygon aPolygon(nCount + (bClose ? 1 : 0));

                                    for(sal_uInt32 a(0); a < nCount; a++)
                                    {
                                        const Point aPoint(
                                            aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                            aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                        aPolygon[a] = aPoint;
                                    }

                                    if(bClose)
                                    {
                                        aPolygon[aPolygon.GetSize() - 1] = aPolygon[0];
                                    }

                                    aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                    aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));

                                    if(!(b%2))
                                    {
                                        const LineInfo aLineInfo(LINE_SOLID, basegfx::fround(fHor / 50.0));
                                        aOut.DrawPolyLine(aPolygon, aLineInfo);
                                    }
                                    else
                                    {
                                        aOut.DrawPolyLine(aPolygon);
                                    }
                                }
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());

                                for(sal_uInt32 b(0); b < 5; b++)
                                {
                                    const sal_uInt32 nCount(basegfx::fround(rand() * (20 / 32767.0)));
                                    const bool bClose(basegfx::fround(rand() / 32767.0));
                                    Polygon aPolygon(nCount + (bClose ? 1 : 0));

                                    for(sal_uInt32 a(0); a < nCount; a++)
                                    {
                                        const Point aPoint(
                                            aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                            aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                        aPolygon[a] = aPoint;
                                    }

                                    if(bClose)
                                    {
                                        aPolygon[aPolygon.GetSize() - 1] = aPolygon[0];
                                    }

                                    aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                    aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                    aOut.DrawPolygon(aPolygon);
                                }
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());
                                PolyPolygon aPolyPolygon;

                                for(sal_uInt32 b(0); b < 3; b++)
                                {
                                    const sal_uInt32 nCount(basegfx::fround(rand() * (6 / 32767.0)));
                                    const bool bClose(basegfx::fround(rand() / 32767.0));
                                    Polygon aPolygon(nCount + (bClose ? 1 : 0));

                                    for(sal_uInt32 a(0); a < nCount; a++)
                                    {
                                        const Point aPoint(
                                            aRectangle.Left() + basegfx::fround(rand() * (fHor / 32767.0)), 
                                            aRectangle.Top() + basegfx::fround(rand() * (fVer / 32767.0)));
                                        aPolygon[a] = aPoint;
                                    }

                                    if(bClose)
                                    {
                                        aPolygon[aPolygon.GetSize() - 1] = aPolygon[0];
                                    }

                                    aPolyPolygon.Insert(aPolygon);
                                }
                                
                                aOut.SetLineColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.SetFillColor(Color(basegfx::BColor(rand() / 32767.0, rand() / 32767.0, rand() / 32767.0)));
                                aOut.DrawPolyPolygon(aPolyPolygon);
                            }

                            if(false)
                            {
                                SvFileStream aRead((const String&)String(ByteString( "c:\\test.png" ), RTL_TEXTENCODING_UTF8), STREAM_READ);
                                vcl::PNGReader aPNGReader(aRead);
                                BitmapEx aBitmapEx(aPNGReader.Read());
                                aOut.DrawBitmapEx(aRectangle.TopLeft(), aBitmapEx);
                            }

                            if(false)
                            {
                                SvFileStream aRead((const String&)String(ByteString( "c:\\test.png" ), RTL_TEXTENCODING_UTF8), STREAM_READ);
                                vcl::PNGReader aPNGReader(aRead);
                                BitmapEx aBitmapEx(aPNGReader.Read());
                                aOut.DrawBitmapEx(aRectangle.TopLeft(), aRectangle.GetSize(), aBitmapEx);
                            }

                            if(false)
                            {
                                SvFileStream aRead((const String&)String(ByteString( "c:\\test.png" ), RTL_TEXTENCODING_UTF8), STREAM_READ);
                                vcl::PNGReader aPNGReader(aRead);
                                BitmapEx aBitmapEx(aPNGReader.Read());
                                const Size aSizePixel(aBitmapEx.GetSizePixel());
                                aOut.DrawBitmapEx(
                                    aRectangle.TopLeft(), 
                                    aRectangle.GetSize(), 
                                    Point(0, 0),
                                    Size(aSizePixel.Width() /2, aSizePixel.Height() / 2),
                                    aBitmapEx);
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());
                                const Point aPointA(
                                    aRectangle.Left() + basegfx::fround(fHor * 0.2), 
                                    aRectangle.Top() + basegfx::fround(fVer * 0.3));
                                const Point aPointB(
                                    aRectangle.Left() + basegfx::fround(fHor * 0.2), 
                                    aRectangle.Top() + basegfx::fround(fVer * 0.5));
                                const Point aPointC(
                                    aRectangle.Left() + basegfx::fround(fHor * 0.2), 
                                    aRectangle.Top() + basegfx::fround(fVer * 0.7));
                                const String aText(ByteString("Hello, World!"), RTL_TEXTENCODING_UTF8);
                                
                                const String aFontName(ByteString("Comic Sans MS"), RTL_TEXTENCODING_UTF8);
                                Font aFont(aFontName, Size(0, 1000));
                                aFont.SetAlign(ALIGN_BASELINE);
                                aFont.SetColor(COL_RED);
                                //sal_Int32* pDXArray = new sal_Int32[aText.Len()];

                                aFont.SetOutline(true);
                                aOut.SetFont(aFont);
                                aOut.DrawText(aPointA, aText, 0, aText.Len());

                                aFont.SetShadow(true);
                                aOut.SetFont(aFont);
                                aOut.DrawText(aPointB, aText, 0, aText.Len());

                                aFont.SetRelief(RELIEF_EMBOSSED);
                                aOut.SetFont(aFont);
                                aOut.DrawText(aPointC, aText, 0, aText.Len());

                                //delete pDXArray;
                            }

                            if(false)
                            {
                                const double fHor(aRectangle.getWidth());
                                const double fVer(aRectangle.getHeight());
                                const Point aPointA(
                                    aRectangle.Left() + basegfx::fround(fHor * 0.2), 
                                    aRectangle.Top() + basegfx::fround(fVer * 0.3));
                                const Point aPointB(
                                    aRectangle.Left() + basegfx::fround(fHor * 0.2), 
                                    aRectangle.Top() + basegfx::fround(fVer * 0.5));
                                const Point aPointC(
                                    aRectangle.Left() + basegfx::fround(fHor * 0.2), 
                                    aRectangle.Top() + basegfx::fround(fVer * 0.7));
                                const String aText(ByteString("Hello, World!"), RTL_TEXTENCODING_UTF8);
                                
                                const String aFontName(ByteString("Comic Sans MS"), RTL_TEXTENCODING_UTF8);
                                Font aFont(aFontName, Size(0, 1000));
                                aFont.SetAlign(ALIGN_BASELINE);
                                aFont.SetColor(COL_RED);

                                aOut.SetFont(aFont);
                                const sal_Int32 nWidth(aOut.GetTextWidth(aText, 0, aText.Len()));
                                aOut.DrawText(aPointA, aText, 0, aText.Len());
                                aOut.DrawTextLine(aPointA, nWidth, STRIKEOUT_SINGLE, UNDERLINE_SINGLE, UNDERLINE_SMALLWAVE);
                                aOut.DrawTextLine(aPointB, nWidth, STRIKEOUT_SINGLE, UNDERLINE_SINGLE, UNDERLINE_SMALLWAVE);
                                aOut.DrawTextLine(aPointC, nWidth, STRIKEOUT_SINGLE, UNDERLINE_SINGLE, UNDERLINE_SMALLWAVE);
                            }

                            aMtf.Stop();
                            aMtf.WindStart();
                            aMtf.SetPrefMapMode(MapMode(MAP_100TH_MM));
                            aMtf.SetPrefSize(Size(aRectangle.getWidth(), aRectangle.getHeight()));
                            
                            xPrimitive = Primitive2DReference(
                                new MetafilePrimitive2D(
                                    aTransform, 
                                    aMtf));
                        }
                        else
                        {
#endif // USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
                            // create MetafilePrimitive2D
                            const Graphic aGraphic(getGraphicObject().GetGraphic());
                            const GDIMetaFile& rMetafile = aTransformedGraphic.GetGDIMetaFile();

                            xPrimitive = Primitive2DReference(
                                new MetafilePrimitive2D(
                                    aTransform, 
                                    rMetafile));

                            // #i100357# find out if clipping is needed for this primitive. Unfortunately,
                            // there exist Metafiles who's content is bigger than the proposed PrefSize set
                            // at them. This is an error, but we need to work around this
                            const Size aMetaFilePrefSize(rMetafile.GetPrefSize());
                            const Size aMetaFileRealSize(
                                const_cast< GDIMetaFile& >(rMetafile).GetBoundRect(
                                    *Application::GetDefaultDevice()).GetSize());

                            if(aMetaFileRealSize.getWidth() > aMetaFilePrefSize.getWidth()
                                || aMetaFileRealSize.getHeight() > aMetaFilePrefSize.getHeight())
                            {
                                // clipping needed. Embed to MaskPrimitive2D. Create childs and mask polygon
                                const primitive2d::Primitive2DSequence aChildContent(&xPrimitive, 1);
                                basegfx::B2DPolygon aMaskPolygon(basegfx::tools::createUnitPolygon());
                                aMaskPolygon.transform(aTransform);

                                xPrimitive = Primitive2DReference(
                                    new MaskPrimitive2D(
                                        basegfx::B2DPolyPolygon(aMaskPolygon), 
                                        aChildContent));
                            }
#ifdef USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
                        }
#endif // USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE

                        break;
                    }

                    default:
                    {
                        // nothing to create
                        break;
                    }
                }

                if(xPrimitive.is())
                {
                    // check for cropping
                    if(getGraphicAttr().IsCropped())
                    {
                        // decompose to get current pos and size
                        basegfx::B2DVector aScale, aTranslate;
                        double fRotate, fShearX;
                        getTransform().decompose(aScale, aTranslate, fRotate, fShearX);

                        // create ranges. The current object range is just scale and translate
                        const basegfx::B2DRange aCurrent(
                            aTranslate.getX(), aTranslate.getY(), 
                            aTranslate.getX() + aScale.getX(), aTranslate.getY() + aScale.getY());

                        // 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);
                            Size aBitmapSize(getGraphicObject().GetPrefSize());
                            
                            // #i95968# better support PrefMapMode; special for MAP_PIXEL was missing
                            if(MAP_PIXEL == getGraphicObject().GetPrefMapMode().GetMapUnit())
                            {
                                aBitmapSize = Application::GetDefaultDevice()->PixelToLogic(aBitmapSize, aMapMode100thmm);
                            }
                            else
                            {
                                aBitmapSize = Application::GetDefaultDevice()->LogicToLogic(aBitmapSize, getGraphicObject().GetPrefMapMode(), aMapMode100thmm);
                            }

                            const double fDivX(aBitmapSize.Width() - getGraphicAttr().GetLeftCrop() - getGraphicAttr().GetRightCrop());
                            const double fDivY(aBitmapSize.Height() - getGraphicAttr().GetTopCrop() - getGraphicAttr().GetBottomCrop());

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

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

                        // Create cropped range, describes the bounds of the original graphic
                        basegfx::B2DRange aCropped;
                        aCropped.expand(aCurrent.getMinimum() - basegfx::B2DPoint(getGraphicAttr().GetLeftCrop() * fFactorX, getGraphicAttr().GetTopCrop() * fFactorY));
                        aCropped.expand(aCurrent.getMaximum() + basegfx::B2DPoint(getGraphicAttr().GetRightCrop() * fFactorX, getGraphicAttr().GetBottomCrop() * fFactorY));

                        if(aCropped.isEmpty())
                        {
                            // nothing to add since cropped bitmap is completely empty
                            // xPrimitive will not be used
                        }
                        else
                        {
                            // build new object transformation for transform primitive which contains xPrimitive
                            basegfx::B2DHomMatrix aNewObjectTransform(getTransform());
                            aNewObjectTransform.invert();
                            aNewObjectTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
                                aCropped.getWidth(), aCropped.getHeight(),
                                aCropped.getMinX() - aCurrent.getMinX(), aCropped.getMinY() - aCurrent.getMinY())
                                * aNewObjectTransform;

                            // add shear, rotate and translate using combined matrix to speedup
                            const basegfx::B2DHomMatrix aCombinedMatrix(basegfx::tools::createShearXRotateTranslateB2DHomMatrix(
                                fShearX, fRotate, aTranslate.getX(), aTranslate.getY()));
                            aNewObjectTransform = aCombinedMatrix * aNewObjectTransform;

                            // prepare TransformPrimitive2D with xPrimitive
                            const Primitive2DReference xTransformPrimitive(new TransformPrimitive2D(aNewObjectTransform, Primitive2DSequence(&xPrimitive, 1L)));

                            if(aCurrent.isInside(aCropped))
                            {
                                // cropped just got smaller, no need to really use a mask. Add to destination directly
                                appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xTransformPrimitive);
                            }
                            else
                            {
                                // cropped got bigger, mask it with original object's bounds
                                basegfx::B2DPolyPolygon aMaskPolyPolygon(basegfx::tools::createUnitPolygon());
                                aMaskPolyPolygon.transform(getTransform());

                                // create maskPrimitive with aMaskPolyPolygon and aMaskContentVector
                                const Primitive2DReference xRefB(new MaskPrimitive2D(aMaskPolyPolygon, Primitive2DSequence(&xTransformPrimitive, 1L)));
                                appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xRefB);
                            }
                        }
                    }
                    else
                    {
                        // add to decomposition
                        appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xPrimitive);
                    }
                }
            }

            return aRetval;
        }

        GraphicPrimitive2D::GraphicPrimitive2D(
            const basegfx::B2DHomMatrix& rTransform, 
            const GraphicObject& rGraphicObject,
            const GraphicAttr& rGraphicAttr)
        :	BufferedDecompositionPrimitive2D(),
            maTransform(rTransform),
            maGraphicObject(rGraphicObject),
            maGraphicAttr(rGraphicAttr)
        {
        }

        GraphicPrimitive2D::GraphicPrimitive2D(
            const basegfx::B2DHomMatrix& rTransform, 
            const GraphicObject& rGraphicObject)
        :	BufferedDecompositionPrimitive2D(),
            maTransform(rTransform),
            maGraphicObject(rGraphicObject),
            maGraphicAttr()
        {
        }

        bool GraphicPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
        {
            if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
            {
                const GraphicPrimitive2D& rCompare = (GraphicPrimitive2D&)rPrimitive;

                return (getTransform() == rCompare.getTransform()
                    && getGraphicObject() == rCompare.getGraphicObject()
                    && getGraphicAttr() == rCompare.getGraphicAttr());
            }

            return false;
        }

        basegfx::B2DRange GraphicPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
        {
            basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
            aRetval.transform(getTransform());
            return aRetval;
        }

        // provide unique ID
        ImplPrimitrive2DIDBlock(GraphicPrimitive2D, PRIMITIVE2D_ID_GRAPHICPRIMITIVE2D)

    } // end of namespace primitive2d
} // end of namespace drawinglayer

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

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */