/************************************************************** * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include ////////////////////////////////////////////////////////////////////////////// using namespace com::sun::star; ////////////////////////////////////////////////////////////////////////////// namespace drawinglayer { namespace primitive2d { bool ScenePrimitive2D::impGetShadow3D(const geometry::ViewInformation2D& /*rViewInformation*/) const { ::osl::MutexGuard aGuard( m_aMutex ); // create on demand if(!mbShadow3DChecked && getChildren3D().hasElements()) { basegfx::B3DVector aLightNormal; const double fShadowSlant(getSdrSceneAttribute().getShadowSlant()); const basegfx::B3DRange aScene3DRange(primitive3d::getB3DRangeFromPrimitive3DSequence(getChildren3D(), getViewInformation3D())); if(maSdrLightingAttribute.getLightVector().size()) { // get light normal from first light and normalize aLightNormal = maSdrLightingAttribute.getLightVector()[0].getDirection(); aLightNormal.normalize(); } // create shadow extraction processor processor3d::Shadow3DExtractingProcessor aShadowProcessor( getViewInformation3D(), getObjectTransformation(), aLightNormal, fShadowSlant, aScene3DRange); // process local primitives aShadowProcessor.process(getChildren3D()); // fetch result and set checked flag const_cast< ScenePrimitive2D* >(this)->maShadowPrimitives = aShadowProcessor.getPrimitive2DSequence(); const_cast< ScenePrimitive2D* >(this)->mbShadow3DChecked = true; } // return if there are shadow primitives return maShadowPrimitives.hasElements(); } void ScenePrimitive2D::calculateDiscreteSizes( const geometry::ViewInformation2D& rViewInformation, basegfx::B2DRange& rDiscreteRange, basegfx::B2DRange& rVisibleDiscreteRange, basegfx::B2DRange& rUnitVisibleRange) const { // use unit range and transform to discrete coordinates rDiscreteRange = basegfx::B2DRange(0.0, 0.0, 1.0, 1.0); rDiscreteRange.transform(rViewInformation.getObjectToViewTransformation() * getObjectTransformation()); // clip it against discrete Viewport (if set) rVisibleDiscreteRange = rDiscreteRange; if(!rViewInformation.getViewport().isEmpty()) { rVisibleDiscreteRange.intersect(rViewInformation.getDiscreteViewport()); } if(rVisibleDiscreteRange.isEmpty()) { rUnitVisibleRange = rVisibleDiscreteRange; } else { // create UnitVisibleRange containing unit range values [0.0 .. 1.0] describing // the relative position of rVisibleDiscreteRange inside rDiscreteRange const double fDiscreteScaleFactorX(basegfx::fTools::equalZero(rDiscreteRange.getWidth()) ? 1.0 : 1.0 / rDiscreteRange.getWidth()); const double fDiscreteScaleFactorY(basegfx::fTools::equalZero(rDiscreteRange.getHeight()) ? 1.0 : 1.0 / rDiscreteRange.getHeight()); const double fMinX(basegfx::fTools::equal(rVisibleDiscreteRange.getMinX(), rDiscreteRange.getMinX()) ? 0.0 : (rVisibleDiscreteRange.getMinX() - rDiscreteRange.getMinX()) * fDiscreteScaleFactorX); const double fMinY(basegfx::fTools::equal(rVisibleDiscreteRange.getMinY(), rDiscreteRange.getMinY()) ? 0.0 : (rVisibleDiscreteRange.getMinY() - rDiscreteRange.getMinY()) * fDiscreteScaleFactorY); const double fMaxX(basegfx::fTools::equal(rVisibleDiscreteRange.getMaxX(), rDiscreteRange.getMaxX()) ? 1.0 : (rVisibleDiscreteRange.getMaxX() - rDiscreteRange.getMinX()) * fDiscreteScaleFactorX); const double fMaxY(basegfx::fTools::equal(rVisibleDiscreteRange.getMaxY(), rDiscreteRange.getMaxY()) ? 1.0 : (rVisibleDiscreteRange.getMaxY() - rDiscreteRange.getMinY()) * fDiscreteScaleFactorY); rUnitVisibleRange = basegfx::B2DRange(fMinX, fMinY, fMaxX, fMaxY); } } Primitive2DSequence ScenePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const { Primitive2DSequence aRetval; // create 2D shadows from contained 3D primitives. This creates the shadow primitives on demand and tells if // there are some or not. Do this at start, the shadow might still be visible even when the scene is not if(impGetShadow3D(rViewInformation)) { // test visibility const basegfx::B2DRange aShadow2DRange( getB2DRangeFromPrimitive2DSequence(maShadowPrimitives, rViewInformation)); const basegfx::B2DRange aViewRange( rViewInformation.getViewport()); if(aViewRange.isEmpty() || aShadow2DRange.overlaps(aViewRange)) { // add extracted 2d shadows (before 3d scene creations itself) aRetval = maShadowPrimitives; } } // get the involved ranges (see helper method calculateDiscreteSizes for details) basegfx::B2DRange aDiscreteRange; basegfx::B2DRange aVisibleDiscreteRange; basegfx::B2DRange aUnitVisibleRange; calculateDiscreteSizes(rViewInformation, aDiscreteRange, aVisibleDiscreteRange, aUnitVisibleRange); if(!aVisibleDiscreteRange.isEmpty()) { // test if discrete view size (pixel) maybe too big and limit it double fViewSizeX(aVisibleDiscreteRange.getWidth()); double fViewSizeY(aVisibleDiscreteRange.getHeight()); const double fViewVisibleArea(fViewSizeX * fViewSizeY); const SvtOptionsDrawinglayer aDrawinglayerOpt; const double fMaximumVisibleArea(aDrawinglayerOpt.GetQuadratic3DRenderLimit()); double fReduceFactor(1.0); if(fViewVisibleArea > fMaximumVisibleArea) { fReduceFactor = sqrt(fMaximumVisibleArea / fViewVisibleArea); fViewSizeX *= fReduceFactor; fViewSizeY *= fReduceFactor; } if(rViewInformation.getReducedDisplayQuality()) { // when reducing the visualisation is allowed (e.g. an OverlayObject // only needed for dragging), reduce resolution extra // to speed up dragging interactions const double fArea(fViewSizeX * fViewSizeY); double fReducedVisualisationFactor(1.0 / (sqrt(fArea) * (1.0 / 170.0))); if(fReducedVisualisationFactor > 1.0) { fReducedVisualisationFactor = 1.0; } else if(fReducedVisualisationFactor < 0.20) { fReducedVisualisationFactor = 0.20; } if(fReducedVisualisationFactor != 1.0) { fReduceFactor *= fReducedVisualisationFactor; fViewSizeX *= fReducedVisualisationFactor; fViewSizeY *= fReducedVisualisationFactor; } } // calculate logic render size in world coordinates for usage in renderer basegfx::B2DVector aLogicRenderSize( aDiscreteRange.getWidth() * fReduceFactor, aDiscreteRange.getHeight() * fReduceFactor); aLogicRenderSize *= rViewInformation.getInverseObjectToViewTransformation(); // determine the oversample value static sal_uInt16 nDefaultOversampleValue(3); const sal_uInt16 nOversampleValue(aDrawinglayerOpt.IsAntiAliasing() ? nDefaultOversampleValue : 0); // use default 3D primitive processor to create BitmapEx for aUnitVisiblePart and process processor3d::ZBufferProcessor3D aZBufferProcessor3D( getViewInformation3D(), rViewInformation, getSdrSceneAttribute(), getSdrLightingAttribute(), aLogicRenderSize.getX(), aLogicRenderSize.getY(), aUnitVisibleRange, nOversampleValue); aZBufferProcessor3D.process(getChildren3D()); aZBufferProcessor3D.finish(); const_cast< ScenePrimitive2D* >(this)->maOldRenderedBitmap = aZBufferProcessor3D.getBitmapEx(); const Size aBitmapSizePixel(maOldRenderedBitmap.GetSizePixel()); if(aBitmapSizePixel.getWidth() && aBitmapSizePixel.getHeight()) { // create transform for the created bitmap in discrete coordinates first. basegfx::B2DHomMatrix aNew2DTransform; aNew2DTransform.set(0, 0, aVisibleDiscreteRange.getWidth()); aNew2DTransform.set(1, 1, aVisibleDiscreteRange.getHeight()); aNew2DTransform.set(0, 2, aVisibleDiscreteRange.getMinX()); aNew2DTransform.set(1, 2, aVisibleDiscreteRange.getMinY()); // transform back to world coordinates for usage in primitive creation aNew2DTransform *= rViewInformation.getInverseObjectToViewTransformation(); // create bitmap primitive and add const Primitive2DReference xRef(new BitmapPrimitive2D(maOldRenderedBitmap, aNew2DTransform)); appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xRef); // test: Allow to add an outline in the debugger when tests are needed static bool bAddOutlineToCreated3DSceneRepresentation(false); if(bAddOutlineToCreated3DSceneRepresentation) { basegfx::B2DPolygon aOutline(basegfx::tools::createUnitPolygon()); aOutline.transform(aNew2DTransform); const Primitive2DReference xRef2(new PolygonHairlinePrimitive2D(aOutline, basegfx::BColor(1.0, 0.0, 0.0))); appendPrimitive2DReferenceToPrimitive2DSequence(aRetval, xRef2); } } } return aRetval; } Primitive2DSequence ScenePrimitive2D::getGeometry2D() const { Primitive2DSequence aRetval; // create 2D projected geometry from 3D geometry if(getChildren3D().hasElements()) { // create 2D geometry extraction processor processor3d::Geometry2DExtractingProcessor aGeometryProcessor( getViewInformation3D(), getObjectTransformation()); // process local primitives aGeometryProcessor.process(getChildren3D()); // fetch result aRetval = aGeometryProcessor.getPrimitive2DSequence(); } return aRetval; } Primitive2DSequence ScenePrimitive2D::getShadow2D(const geometry::ViewInformation2D& rViewInformation) const { Primitive2DSequence aRetval; // create 2D shadows from contained 3D primitives if(impGetShadow3D(rViewInformation)) { // add extracted 2d shadows (before 3d scene creations itself) aRetval = maShadowPrimitives; } return aRetval; } bool ScenePrimitive2D::tryToCheckLastVisualisationDirectHit(const basegfx::B2DPoint& rLogicHitPoint, bool& o_rResult) const { if(!maOldRenderedBitmap.IsEmpty() && !maOldUnitVisiblePart.isEmpty()) { basegfx::B2DHomMatrix aInverseSceneTransform(getObjectTransformation()); aInverseSceneTransform.invert(); const basegfx::B2DPoint aRelativePoint(aInverseSceneTransform * rLogicHitPoint); if(maOldUnitVisiblePart.isInside(aRelativePoint)) { // calculate coordinates relative to visualized part double fDivisorX(maOldUnitVisiblePart.getWidth()); double fDivisorY(maOldUnitVisiblePart.getHeight()); if(basegfx::fTools::equalZero(fDivisorX)) { fDivisorX = 1.0; } if(basegfx::fTools::equalZero(fDivisorY)) { fDivisorY = 1.0; } const double fRelativeX((aRelativePoint.getX() - maOldUnitVisiblePart.getMinX()) / fDivisorX); const double fRelativeY((aRelativePoint.getY() - maOldUnitVisiblePart.getMinY()) / fDivisorY); // combine with real BitmapSizePixel to get bitmap coordinates const Size aBitmapSizePixel(maOldRenderedBitmap.GetSizePixel()); const sal_Int32 nX(basegfx::fround(fRelativeX * aBitmapSizePixel.Width())); const sal_Int32 nY(basegfx::fround(fRelativeY * aBitmapSizePixel.Height())); // try to get a statement about transparency in that pixel o_rResult = (0xff != maOldRenderedBitmap.GetTransparency(nX, nY)); return true; } } return false; } ScenePrimitive2D::ScenePrimitive2D( const primitive3d::Primitive3DSequence& rxChildren3D, const attribute::SdrSceneAttribute& rSdrSceneAttribute, const attribute::SdrLightingAttribute& rSdrLightingAttribute, const basegfx::B2DHomMatrix& rObjectTransformation, const geometry::ViewInformation3D& rViewInformation3D) : BufferedDecompositionPrimitive2D(), mxChildren3D(rxChildren3D), maSdrSceneAttribute(rSdrSceneAttribute), maSdrLightingAttribute(rSdrLightingAttribute), maObjectTransformation(rObjectTransformation), maViewInformation3D(rViewInformation3D), maShadowPrimitives(), mbShadow3DChecked(false), mfOldDiscreteSizeX(0.0), mfOldDiscreteSizeY(0.0), maOldUnitVisiblePart(), maOldRenderedBitmap() { } bool ScenePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const { if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) { const ScenePrimitive2D& rCompare = (ScenePrimitive2D&)rPrimitive; return (primitive3d::arePrimitive3DSequencesEqual(getChildren3D(), rCompare.getChildren3D()) && getSdrSceneAttribute() == rCompare.getSdrSceneAttribute() && getSdrLightingAttribute() == rCompare.getSdrLightingAttribute() && getObjectTransformation() == rCompare.getObjectTransformation() && getViewInformation3D() == rCompare.getViewInformation3D()); } return false; } basegfx::B2DRange ScenePrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const { // transform unit range to discrete coordinate range basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0); aRetval.transform(rViewInformation.getObjectToViewTransformation() * getObjectTransformation()); // force to discrete expanded bounds (it grows, so expanding works perfectly well) aRetval.expand(basegfx::B2DTuple(floor(aRetval.getMinX()), floor(aRetval.getMinY()))); aRetval.expand(basegfx::B2DTuple(ceil(aRetval.getMaxX()), ceil(aRetval.getMaxY()))); // transform back from discrete (view) to world coordinates aRetval.transform(rViewInformation.getInverseObjectToViewTransformation()); // expand by evtl. existing shadow primitives if(impGetShadow3D(rViewInformation)) { const basegfx::B2DRange aShadow2DRange(getB2DRangeFromPrimitive2DSequence(maShadowPrimitives, rViewInformation)); if(!aShadow2DRange.isEmpty()) { aRetval.expand(aShadow2DRange); } } return aRetval; } Primitive2DSequence ScenePrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const { ::osl::MutexGuard aGuard( m_aMutex ); // get the involved ranges (see helper method calculateDiscreteSizes for details) basegfx::B2DRange aDiscreteRange; basegfx::B2DRange aUnitVisibleRange; bool bNeedNewDecomposition(false); bool bDiscreteSizesAreCalculated(false); if(getBuffered2DDecomposition().hasElements()) { basegfx::B2DRange aVisibleDiscreteRange; calculateDiscreteSizes(rViewInformation, aDiscreteRange, aVisibleDiscreteRange, aUnitVisibleRange); bDiscreteSizesAreCalculated = true; // needs to be painted when the new part is not part of the last // decomposition if(!maOldUnitVisiblePart.isInside(aUnitVisibleRange)) { bNeedNewDecomposition = true; } // display has changed and cannot be reused when resolution got bigger. It // can be reused when resolution got smaller, though. if(!bNeedNewDecomposition) { if(basegfx::fTools::more(aDiscreteRange.getWidth(), mfOldDiscreteSizeX) || basegfx::fTools::more(aDiscreteRange.getHeight(), mfOldDiscreteSizeY)) { bNeedNewDecomposition = true; } } } if(bNeedNewDecomposition) { // conditions of last local decomposition have changed, delete const_cast< ScenePrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); } if(!getBuffered2DDecomposition().hasElements()) { if(!bDiscreteSizesAreCalculated) { basegfx::B2DRange aVisibleDiscreteRange; calculateDiscreteSizes(rViewInformation, aDiscreteRange, aVisibleDiscreteRange, aUnitVisibleRange); } // remember last used NewDiscreteSize and NewUnitVisiblePart ScenePrimitive2D* pThat = const_cast< ScenePrimitive2D* >(this); pThat->mfOldDiscreteSizeX = aDiscreteRange.getWidth(); pThat->mfOldDiscreteSizeY = aDiscreteRange.getHeight(); pThat->maOldUnitVisiblePart = aUnitVisibleRange; } // use parent implementation return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); } // provide unique ID ImplPrimitrive2DIDBlock(ScenePrimitive2D, PRIMITIVE2D_ID_SCENEPRIMITIVE2D) } // end of namespace primitive2d } // end of namespace drawinglayer ////////////////////////////////////////////////////////////////////////////// // eof