xref: /aoo42x/main/drawinglayer/source/primitive2d/graphicprimitivehelper2d.cxx (revision 49c58f9b)

/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/

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

#include <drawinglayer/primitive2d/graphicprimitivehelper2d.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 <drawinglayer/primitive2d/maskprimitive2d.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/numeric/ftools.hxx>

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

#include <vcl/animate.hxx>
#include <vcl/graph.hxx>
#include <vcl/virdev.hxx>
#include <vcl/svapp.hxx>
#include <vcl/metaact.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());
#if defined(MACOSX)
				AlphaMask aMaskBitmap( aVirtualDeviceMask.GetBitmap( Point(), aVirtualDeviceMask.GetOutputSizePixel()));
#else
				Bitmap aMaskBitmap = aVirtualDeviceMask.GetBitmap( Point(), aVirtualDeviceMask.GetOutputSizePixel());
#endif
				aNextStep.maBitmapEx = BitmapEx(aMainBitmap, aMaskBitmap);

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

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

namespace drawinglayer
{
	namespace primitive2d
	{
		Primitive2DSequence create2DDecompositionOfGraphic(
            const Graphic& rGraphic,
            const basegfx::B2DHomMatrix& rTransform)
		{
			Primitive2DSequence aRetval;

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

						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(0); a < aData.count(); a++)
							{
                                animation::AnimationEntryFixed aTime((double)aData.stepTime(a), (double)a / (double)aData.count());
								aAnimationLoop.append(aTime);
								aBitmapPrimitives[a] = new BitmapPrimitive2D(
                                    aData.stepBitmapEx(a),
                                    rTransform);
							}

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

							// create and add animated switch primitive
                            aRetval.realloc(1);
							aRetval[0] = new AnimatedSwitchPrimitive2D(
                                aAnimationList,
                                aBitmapPrimitives,
                                false);
						}
					}
                    else if(rGraphic.getSvgData().get())
                    {
                        // embedded Svg fill, create embed transform
                        const basegfx::B2DRange& rSvgRange(rGraphic.getSvgData()->getRange());

                        if(basegfx::fTools::more(rSvgRange.getWidth(), 0.0) && basegfx::fTools::more(rSvgRange.getHeight(), 0.0))
                        {
                            // translate back to origin, scale to unit coordinates
                            basegfx::B2DHomMatrix aEmbedSvg(
                                basegfx::tools::createTranslateB2DHomMatrix(
                                    -rSvgRange.getMinX(),
                                    -rSvgRange.getMinY()));

                            aEmbedSvg.scale(
                                1.0 / rSvgRange.getWidth(),
                                1.0 / rSvgRange.getHeight());

                            // apply created object transformation
                            aEmbedSvg = rTransform * aEmbedSvg;

                            // add Svg primitives embedded
                            aRetval.realloc(1);
                            aRetval[0] = new TransformPrimitive2D(
                                aEmbedSvg,
                                rGraphic.getSvgData()->getPrimitive2DSequence());
                        }
                    }
					else
					{
                        aRetval.realloc(1);
						aRetval[0] = new BitmapPrimitive2D(
                            rGraphic.GetBitmapEx(),
                            rTransform);
					}

					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()));

                        aRetval.realloc(1);
                        aRetval[0] = new MetafilePrimitive2D(
                            rTransform,
                            aMtf);
                    }
                    else
                    {
#endif // USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
                        // create MetafilePrimitive2D
                        const GDIMetaFile& rMetafile = rGraphic.GetGDIMetaFile();

                        aRetval.realloc(1);
                        aRetval[0] = new MetafilePrimitive2D(
                            rTransform,
                            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
                            basegfx::B2DPolygon aMaskPolygon(basegfx::tools::createUnitPolygon());
                            aMaskPolygon.transform(rTransform);

                            aRetval[0] = new MaskPrimitive2D(
                                basegfx::B2DPolyPolygon(aMaskPolygon),
                                aRetval);
                        }
#ifdef USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE
                    }
#endif // USE_DEBUG_CODE_TO_TEST_METAFILE_DECOMPOSE

					break;
				}

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

			return aRetval;
		}
	} // end of namespace primitive2d
} // end of namespace drawinglayer

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

namespace drawinglayer
{
    namespace primitive2d
    {
        Primitive2DSequence create2DColorModifierEmbeddingsAsNeeded(
            const Primitive2DSequence& rChildren,
            GraphicDrawMode aGraphicDrawMode,
            double fLuminance,
            double fContrast,
            double fRed,
            double fGreen,
            double fBlue,
            double fGamma,
            bool bInvert)
        {
            Primitive2DSequence aRetval;

            if(!rChildren.getLength())
            {
                // no child content, done
                return aRetval;
            }

            // set child content as retval; that is what will be used as child content in all
            // embeddings from here
            aRetval = rChildren;

            if(GRAPHICDRAWMODE_WATERMARK == aGraphicDrawMode)
            {
                // this is solved by applying fixed values additionally to luminance
                // and contrast, do it here and reset DrawMode to GRAPHICDRAWMODE_STANDARD
                // original in svtools uses:
                // #define WATERMARK_LUM_OFFSET        50
                // #define WATERMARK_CON_OFFSET        -70
                fLuminance = basegfx::clamp(fLuminance + 0.5, -1.0, 1.0);
                fContrast = basegfx::clamp(fContrast - 0.7, -1.0, 1.0);
                aGraphicDrawMode = GRAPHICDRAWMODE_STANDARD;
            }

            // DrawMode (GRAPHICDRAWMODE_WATERMARK already handled)
            switch(aGraphicDrawMode)
            {
                case GRAPHICDRAWMODE_GREYS:
                {
                    // convert to grey
                    const Primitive2DReference aPrimitiveGrey(
                        new ModifiedColorPrimitive2D(
                            aRetval,
                            basegfx::BColorModifierSharedPtr(
                                new basegfx::BColorModifier_gray())));

                    aRetval = Primitive2DSequence(&aPrimitiveGrey, 1);
                    break;
                }
                case GRAPHICDRAWMODE_MONO:
                {
                    // convert to mono (black/white with threshold 0.5)
                    const Primitive2DReference aPrimitiveBlackAndWhite(
                        new ModifiedColorPrimitive2D(
                            aRetval,
                            basegfx::BColorModifierSharedPtr(
                                new basegfx::BColorModifier_black_and_white(0.5))));

                    aRetval = Primitive2DSequence(&aPrimitiveBlackAndWhite, 1);
                    break;
                }
                case GRAPHICDRAWMODE_WATERMARK:
                {
                    OSL_ENSURE(false, "OOps, GRAPHICDRAWMODE_WATERMARK should already be handled (see above)");
                    // fallthrough intended
                }
                default: // case GRAPHICDRAWMODE_STANDARD:
                {
                    // nothing to do
                    break;
                }
            }

            // mnContPercent, mnLumPercent, mnRPercent, mnGPercent, mnBPercent
            // handled in a single call
            if(!basegfx::fTools::equalZero(fLuminance)
                || !basegfx::fTools::equalZero(fContrast)
                || !basegfx::fTools::equalZero(fRed)
                || !basegfx::fTools::equalZero(fGreen)
                || !basegfx::fTools::equalZero(fBlue))
            {
                const Primitive2DReference aPrimitiveRGBLuminannceContrast(
                    new ModifiedColorPrimitive2D(
                        aRetval,
                        basegfx::BColorModifierSharedPtr(
                            new basegfx::BColorModifier_RGBLuminanceContrast(
                                fRed,
                                fGreen,
                                fBlue,
                                fLuminance,
                                fContrast))));

                aRetval = Primitive2DSequence(&aPrimitiveRGBLuminannceContrast, 1);
            }

            // gamma (boolean)
            if(!basegfx::fTools::equal(fGamma, 1.0))
            {
                const Primitive2DReference aPrimitiveGamma(
                    new ModifiedColorPrimitive2D(
                        aRetval,
                        basegfx::BColorModifierSharedPtr(
                            new basegfx::BColorModifier_gamma(
                                fGamma))));

                aRetval = Primitive2DSequence(&aPrimitiveGamma, 1);
            }

            // invert (boolean)
            if(bInvert)
            {
                const Primitive2DReference aPrimitiveInvert(
                    new ModifiedColorPrimitive2D(
                        aRetval,
                        basegfx::BColorModifierSharedPtr(
                            new basegfx::BColorModifier_invert())));

                aRetval = Primitive2DSequence(&aPrimitiveInvert, 1);
            }

            return aRetval;
        }

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

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