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| -rw-r--r-- | drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx b/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx new file mode 100644 index 000000000..2115ebc3a --- /dev/null +++ b/drawinglayer/source/primitive3d/sdrlatheprimitive3d.cxx @@ -0,0 +1,360 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/polygon/b3dpolygon.hxx> +#include <primitive3d/sdrdecompositiontools3d.hxx> +#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx> +#include <drawinglayer/geometry/viewinformation3d.hxx> +#include <drawinglayer/attribute/sdrfillattribute.hxx> +#include <drawinglayer/attribute/sdrlineattribute.hxx> +#include <drawinglayer/attribute/sdrshadowattribute.hxx> + + +using namespace com::sun::star; + + +namespace drawinglayer::primitive3d +{ + Primitive3DContainer SdrLathePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const + { + Primitive3DContainer aRetval; + + // get slices + const Slice3DVector& rSliceVector = getSlices(); + + if(!rSliceVector.empty()) + { + const bool bBackScale(!basegfx::fTools::equal(getBackScale(), 1.0)); + const bool bClosedRotation(!bBackScale && getHorizontalSegments() && basegfx::fTools::equal(getRotation(), 2 * M_PI)); + sal_uInt32 a; + + // decide what to create + const css::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind()); + const bool bCreateNormals(css::drawing::NormalsKind_SPECIFIC == eNormalsKind); + const bool bCreateTextureCoordinatesX(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX()); + const bool bCreateTextureCoordinatesY(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY()); + basegfx::B2DHomMatrix aTexTransform; + + if(!getSdrLFSAttribute().getFill().isDefault() + && (bCreateTextureCoordinatesX || bCreateTextureCoordinatesY)) + { + aTexTransform.set(0, 0, 0.0); + aTexTransform.set(0, 1, 1.0); + aTexTransform.set(1, 0, 1.0); + aTexTransform.set(1, 1, 0.0); + + aTexTransform.translate(0.0, -0.5); + aTexTransform.scale(1.0, -1.0); + aTexTransform.translate(0.0, 0.5); + } + + // create geometry + std::vector< basegfx::B3DPolyPolygon > aFill; + extractPlanesFromSlice(aFill, rSliceVector, + bCreateNormals, getSmoothNormals(), getSmoothLids(), bClosedRotation, + 0.85, 0.6, bCreateTextureCoordinatesX || bCreateTextureCoordinatesY, aTexTransform); + + // get full range + const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill)); + + // normal creation + if(!getSdrLFSAttribute().getFill().isDefault()) + { + if(css::drawing::NormalsKind_SPHERE == eNormalsKind) + { + applyNormalsKindSphereTo3DGeometry(aFill, aRange); + } + else if(css::drawing::NormalsKind_FLAT == eNormalsKind) + { + applyNormalsKindFlatTo3DGeometry(aFill); + } + + if(getSdr3DObjectAttribute().getNormalsInvert()) + { + applyNormalsInvertTo3DGeometry(aFill); + } + } + + // texture coordinates + if(!getSdrLFSAttribute().getFill().isDefault()) + { + applyTextureTo3DGeometry( + getSdr3DObjectAttribute().getTextureProjectionX(), + getSdr3DObjectAttribute().getTextureProjectionY(), + aFill, + aRange, + getTextureSize()); + } + + if(!getSdrLFSAttribute().getFill().isDefault()) + { + // add fill + aRetval = create3DPolyPolygonFillPrimitives( + aFill, + getTransform(), + getTextureSize(), + getSdr3DObjectAttribute(), + getSdrLFSAttribute().getFill(), + getSdrLFSAttribute().getFillFloatTransGradient()); + } + else + { + // create simplified 3d hit test geometry + aRetval = createHiddenGeometryPrimitives3D( + aFill, + getTransform(), + getTextureSize(), + getSdr3DObjectAttribute()); + } + + // add line + if(!getSdrLFSAttribute().getLine().isDefault()) + { + if(getSdr3DObjectAttribute().getReducedLineGeometry()) + { + // create geometric outlines with reduced line geometry for chart + const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation)); + const sal_uInt32 nCount(aHorLine.count()); + basegfx::B3DPolyPolygon aNewLineGeometry; + + for(a = 1; a < nCount; a++) + { + // for each loop pair create the connection edges + createReducedOutlines( + rViewInformation, + getTransform(), + aHorLine.getB3DPolygon(a - 1), + aHorLine.getB3DPolygon(a), + aNewLineGeometry); + } + + for(a = 0; a < nCount; a++) + { + // filter hor lines for empty loops (those who have their defining point on the Y-Axis) + basegfx::B3DPolygon aCandidate(aHorLine.getB3DPolygon(a)); + aCandidate.removeDoublePoints(); + + if(aCandidate.count()) + { + aNewLineGeometry.append(aCandidate); + } + } + + if(aNewLineGeometry.count()) + { + const Primitive3DContainer aLines(create3DPolyPolygonLinePrimitives( + aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine())); + aRetval.append(aLines); + } + } + else + { + // extract line geometry from slices + const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, bClosedRotation)); + const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector)); + + // add horizontal lines + const Primitive3DContainer aHorLines(create3DPolyPolygonLinePrimitives( + aHorLine, getTransform(), getSdrLFSAttribute().getLine())); + aRetval.append(aHorLines); + + // add vertical lines + const Primitive3DContainer aVerLines(create3DPolyPolygonLinePrimitives( + aVerLine, getTransform(), getSdrLFSAttribute().getLine())); + aRetval.append(aVerLines); + } + } + + // add shadow + if(!getSdrLFSAttribute().getShadow().isDefault() + && !aRetval.empty()) + { + const Primitive3DContainer aShadow(createShadowPrimitive3D( + aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D())); + aRetval.append(aShadow); + } + } + + return aRetval; + } + + void SdrLathePrimitive3D::impCreateSlices() + { + // prepare the polygon. No double points, correct orientations and a correct + // outmost polygon are needed + // Also important: subdivide here to ensure equal point count for all slices (!) + maCorrectedPolyPolygon = basegfx::utils::adaptiveSubdivideByAngle(getPolyPolygon()); + maCorrectedPolyPolygon.removeDoublePoints(); + maCorrectedPolyPolygon = basegfx::utils::correctOrientations(maCorrectedPolyPolygon); + maCorrectedPolyPolygon = basegfx::utils::correctOutmostPolygon(maCorrectedPolyPolygon); + + // check edge count of first sub-polygon. If different, reSegment polyPolygon. This ensures + // that for polyPolygons, the subPolys 1..n only get reSegmented when polygon 0 is different + // at all (and not always) + const basegfx::B2DPolygon aSubCandidate(maCorrectedPolyPolygon.getB2DPolygon(0)); + const sal_uInt32 nSubEdgeCount(aSubCandidate.isClosed() ? aSubCandidate.count() : (aSubCandidate.count() ? aSubCandidate.count() - 1 : 0)); + + if(nSubEdgeCount != getVerticalSegments()) + { + maCorrectedPolyPolygon = basegfx::utils::reSegmentPolyPolygon(maCorrectedPolyPolygon, getVerticalSegments()); + } + + // prepare slices as geometry + createLatheSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getRotation(), getHorizontalSegments(), getCharacterMode(), getCloseFront(), getCloseBack()); + } + + const Slice3DVector& SdrLathePrimitive3D::getSlices() const + { + // This can be made dependent of getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine() + // again when no longer geometry is needed for non-visible 3D objects as it is now for chart + if(getPolyPolygon().count() && maSlices.empty()) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + const_cast< SdrLathePrimitive3D& >(*this).impCreateSlices(); + } + + return maSlices; + } + + SdrLathePrimitive3D::SdrLathePrimitive3D( + const basegfx::B3DHomMatrix& rTransform, + const basegfx::B2DVector& rTextureSize, + const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute, + const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute, + const basegfx::B2DPolyPolygon& rPolyPolygon, + sal_uInt32 nHorizontalSegments, + sal_uInt32 nVerticalSegments, + double fDiagonal, + double fBackScale, + double fRotation, + bool bSmoothNormals, + bool bSmoothLids, + bool bCharacterMode, + bool bCloseFront, + bool bCloseBack) + : SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute), + maPolyPolygon(rPolyPolygon), + mnHorizontalSegments(nHorizontalSegments), + mnVerticalSegments(nVerticalSegments), + mfDiagonal(fDiagonal), + mfBackScale(fBackScale), + mfRotation(fRotation), + mbSmoothNormals(bSmoothNormals), + mbSmoothLids(bSmoothLids), + mbCharacterMode(bCharacterMode), + mbCloseFront(bCloseFront), + mbCloseBack(bCloseBack) + { + // make sure Rotation is positive + if(basegfx::fTools::lessOrEqual(getRotation(), 0.0)) + { + mfRotation = 0.0; + } + + // make sure the percentage value getDiagonal() is between 0.0 and 1.0 + if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0)) + { + mfDiagonal = 0.0; + } + else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0)) + { + mfDiagonal = 1.0; + } + + // no close front/back when polygon is not closed + if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0).isClosed()) + { + mbCloseFront = mbCloseBack = false; + } + + // no edge rounding when not closing + if(!getCloseFront() && !getCloseBack()) + { + mfDiagonal = 0.0; + } + } + + SdrLathePrimitive3D::~SdrLathePrimitive3D() + { + } + + bool SdrLathePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const + { + if(SdrPrimitive3D::operator==(rPrimitive)) + { + const SdrLathePrimitive3D& rCompare = static_cast< const SdrLathePrimitive3D& >(rPrimitive); + + return (getPolyPolygon() == rCompare.getPolyPolygon() + && getHorizontalSegments() == rCompare.getHorizontalSegments() + && getVerticalSegments() == rCompare.getVerticalSegments() + && getDiagonal() == rCompare.getDiagonal() + && getBackScale() == rCompare.getBackScale() + && getRotation() == rCompare.getRotation() + && getSmoothNormals() == rCompare.getSmoothNormals() + && getSmoothLids() == rCompare.getSmoothLids() + && getCharacterMode() == rCompare.getCharacterMode() + && getCloseFront() == rCompare.getCloseFront() + && getCloseBack() == rCompare.getCloseBack()); + } + + return false; + } + + basegfx::B3DRange SdrLathePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const + { + // use default from sdrPrimitive3D which uses transformation expanded by line width/2 + // The parent implementation which uses the ranges of the decomposition would be more + // correct, but for historical reasons it is necessary to do the old method: To get + // the range of the non-transformed geometry and transform it then. This leads to different + // ranges where the new method is more correct, but the need to keep the old behaviour + // has priority here. + return get3DRangeFromSlices(getSlices()); + } + + Primitive3DContainer SdrLathePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const + { + if(getSdr3DObjectAttribute().getReducedLineGeometry()) + { + if(!mpLastRLGViewInformation || + (!getBuffered3DDecomposition().empty() + && *mpLastRLGViewInformation != rViewInformation)) + { + ::osl::MutexGuard aGuard( m_aMutex ); + + // conditions of last local decomposition with reduced lines have changed. Remember + // new one and clear current decompositiopn + SdrLathePrimitive3D* pThat = const_cast< SdrLathePrimitive3D* >(this); + pThat->setBuffered3DDecomposition(Primitive3DContainer()); + pThat->mpLastRLGViewInformation = rViewInformation; + } + } + + // no test for buffering needed, call parent + return SdrPrimitive3D::get3DDecomposition(rViewInformation); + } + + // provide unique ID + ImplPrimitive3DIDBlock(SdrLathePrimitive3D, PRIMITIVE3D_ID_SDRLATHEPRIMITIVE3D) + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |