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Diffstat (limited to 'drawinglayer/source/primitive2d/sceneprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/sceneprimitive2d.cxx | 483 |
1 files changed, 0 insertions, 483 deletions
diff --git a/drawinglayer/source/primitive2d/sceneprimitive2d.cxx b/drawinglayer/source/primitive2d/sceneprimitive2d.cxx deleted file mode 100644 index f9959744c2..0000000000 --- a/drawinglayer/source/primitive2d/sceneprimitive2d.cxx +++ /dev/null @@ -1,483 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -// MARKER(update_precomp.py): autogen include statement, do not remove -#include "precompiled_drawinglayer.hxx" - -#include <drawinglayer/primitive2d/sceneprimitive2d.hxx> -#include <basegfx/tools/canvastools.hxx> -#include <basegfx/polygon/b2dpolygontools.hxx> -#include <basegfx/polygon/b2dpolygon.hxx> -#include <basegfx/polygon/b2dpolygonclipper.hxx> -#include <basegfx/polygon/b2dpolypolygontools.hxx> -#include <basegfx/matrix/b2dhommatrix.hxx> -#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> -#include <drawinglayer/processor3d/zbufferprocessor3d.hxx> -#include <drawinglayer/processor3d/shadow3dextractor.hxx> -#include <drawinglayer/geometry/viewinformation2d.hxx> -#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> -#include <svtools/optionsdrawinglayer.hxx> -#include <drawinglayer/processor3d/geometry2dextractor.hxx> -#include <drawinglayer/primitive2d/polygonprimitive2d.hxx> - -////////////////////////////////////////////////////////////////////////////// - -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 - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |