526 lines
26 KiB
C++
526 lines
26 KiB
C++
/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_drawinglayer.hxx"
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#include <drawinglayer/primitive3d/sdrextrudeprimitive3d.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b3dpolypolygontools.hxx>
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#include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
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#include <basegfx/tools/canvastools.hxx>
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#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
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#include <drawinglayer/geometry/viewinformation3d.hxx>
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#include <drawinglayer/attribute/sdrfillattribute.hxx>
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#include <drawinglayer/attribute/sdrlineattribute.hxx>
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#include <drawinglayer/attribute/sdrshadowattribute.hxx>
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//////////////////////////////////////////////////////////////////////////////
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using namespace com::sun::star;
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace primitive3d
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{
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Primitive3DSequence SdrExtrudePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
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{
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Primitive3DSequence aRetval;
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// get slices
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const Slice3DVector& rSliceVector = getSlices();
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if(rSliceVector.size())
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{
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sal_uInt32 a;
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// decide what to create
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const ::com::sun::star::drawing::NormalsKind eNormalsKind(getSdr3DObjectAttribute().getNormalsKind());
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const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == eNormalsKind);
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const bool bCreateTextureCoordiantesX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
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const bool bCreateTextureCoordiantesY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
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double fRelativeTextureWidth(1.0);
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basegfx::B2DHomMatrix aTexTransform;
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if(!getSdrLFSAttribute().getFill().isDefault() && (bCreateTextureCoordiantesX || bCreateTextureCoordiantesY))
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{
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const basegfx::B2DPolygon aFirstPolygon(maCorrectedPolyPolygon.getB2DPolygon(0L));
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const double fFrontLength(basegfx::tools::getLength(aFirstPolygon));
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const double fFrontArea(basegfx::tools::getArea(aFirstPolygon));
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const double fSqrtFrontArea(sqrt(fFrontArea));
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fRelativeTextureWidth = basegfx::fTools::equalZero(fSqrtFrontArea) ? 1.0 : fFrontLength / fSqrtFrontArea;
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fRelativeTextureWidth = (double)((sal_uInt32)(fRelativeTextureWidth - 0.5));
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if(fRelativeTextureWidth < 1.0)
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{
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fRelativeTextureWidth = 1.0;
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}
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aTexTransform.translate(-0.5, -0.5);
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aTexTransform.scale(-1.0, -1.0);
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aTexTransform.translate(0.5, 0.5);
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aTexTransform.scale(fRelativeTextureWidth, 1.0);
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}
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// create geometry
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::std::vector< basegfx::B3DPolyPolygon > aFill;
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extractPlanesFromSlice(aFill, rSliceVector,
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bCreateNormals, getSmoothHorizontalNormals(), getSmoothNormals(), getSmoothLids(), false,
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0.5, 0.6, bCreateTextureCoordiantesX || bCreateTextureCoordiantesY, aTexTransform);
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// get full range
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const basegfx::B3DRange aRange(getRangeFrom3DGeometry(aFill));
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// normal creation
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if(!getSdrLFSAttribute().getFill().isDefault())
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{
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if(::com::sun::star::drawing::NormalsKind_SPHERE == eNormalsKind)
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{
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applyNormalsKindSphereTo3DGeometry(aFill, aRange);
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}
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else if(::com::sun::star::drawing::NormalsKind_FLAT == eNormalsKind)
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{
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applyNormalsKindFlatTo3DGeometry(aFill);
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}
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if(getSdr3DObjectAttribute().getNormalsInvert())
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{
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applyNormalsInvertTo3DGeometry(aFill);
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}
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}
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// texture coordinates
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if(!getSdrLFSAttribute().getFill().isDefault())
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{
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applyTextureTo3DGeometry(
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getSdr3DObjectAttribute().getTextureProjectionX(),
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getSdr3DObjectAttribute().getTextureProjectionY(),
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aFill,
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aRange,
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getTextureSize());
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}
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if(!getSdrLFSAttribute().getFill().isDefault())
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{
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// add fill
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aRetval = create3DPolyPolygonFillPrimitives(
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aFill,
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getTransform(),
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getTextureSize(),
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getSdr3DObjectAttribute(),
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getSdrLFSAttribute().getFill(),
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getSdrLFSAttribute().getFillFloatTransGradient());
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}
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else
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{
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// create simplified 3d hit test geometry
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aRetval = createHiddenGeometryPrimitives3D(
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aFill,
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getTransform(),
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getTextureSize(),
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getSdr3DObjectAttribute());
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}
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// add line
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if(!getSdrLFSAttribute().getLine().isDefault())
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{
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if(getSdr3DObjectAttribute().getReducedLineGeometry())
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{
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// create geometric outlines with reduced line geometry for chart.
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const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
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const sal_uInt32 nCount(aVerLine.count());
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basegfx::B3DPolyPolygon aReducedLoops;
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basegfx::B3DPolyPolygon aNewLineGeometry;
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// sort out doubles (front and back planes when no edge rounding is done). Since
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// this is a line geometry merged from PolyPolygons, loop over all Polygons
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for(a = 0; a < nCount; a++)
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{
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const sal_uInt32 nReducedCount(aReducedLoops.count());
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const basegfx::B3DPolygon aCandidate(aVerLine.getB3DPolygon(a));
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bool bAdd(true);
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if(nReducedCount)
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{
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for(sal_uInt32 b(0); bAdd && b < nReducedCount; b++)
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{
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if(aCandidate == aReducedLoops.getB3DPolygon(b))
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{
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bAdd = false;
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}
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}
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}
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if(bAdd)
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{
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aReducedLoops.append(aCandidate);
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}
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}
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// from here work with reduced loops and reduced count without changing them
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const sal_uInt32 nReducedCount(aReducedLoops.count());
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if(nReducedCount > 1)
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{
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for(sal_uInt32 b(1); b < nReducedCount; b++)
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{
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// get loop pair
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const basegfx::B3DPolygon aCandA(aReducedLoops.getB3DPolygon(b - 1));
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const basegfx::B3DPolygon aCandB(aReducedLoops.getB3DPolygon(b));
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// for each loop pair create the connection edges
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createReducedOutlines(
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rViewInformation,
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getTransform(),
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aCandA,
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aCandB,
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aNewLineGeometry);
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}
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}
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// add reduced loops themselves
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aNewLineGeometry.append(aReducedLoops);
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// to create vertical edges at non-C1/C2 steady loops, use maCorrectedPolyPolygon
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// directly since the 3D Polygons do not suport this.
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//
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// Unfortunately there is no bezier polygon provided by the chart module; one reason is
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// that the API for extrude wants a 3D polygon geometry (for historical reasons, i guess)
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// and those have no beziers. Another reason is that he chart module uses self-created
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// stuff to create the 2D geometry (in ShapeFactory::createPieSegment), but this geometry
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// does not contain bezier infos, either. The only way which is possible for now is to 'detect'
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// candidates for vertical edges of pie segments by looking for the angles in the polygon.
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//
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// This is all not very well designed ATM. Ideally, the ReducedLineGeometry is responsible
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// for creating the outer geometry edges (createReducedOutlines), but for special edges
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// like the vertical ones for pie center and both start/end, the incarnation with the
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// knowledge about that it needs to create those and IS a pie segment -> in this case,
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// the chart itself.
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const sal_uInt32 nPolyCount(maCorrectedPolyPolygon.count());
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for(sal_uInt32 c(0); c < nPolyCount; c++)
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{
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const basegfx::B2DPolygon aCandidate(maCorrectedPolyPolygon.getB2DPolygon(c));
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const sal_uInt32 nPointCount(aCandidate.count());
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if(nPointCount > 2)
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{
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sal_uInt32 nIndexA(nPointCount);
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sal_uInt32 nIndexB(nPointCount);
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sal_uInt32 nIndexC(nPointCount);
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for(sal_uInt32 d(0); d < nPointCount; d++)
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{
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const sal_uInt32 nPrevInd((d + nPointCount - 1) % nPointCount);
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const sal_uInt32 nNextInd((d + 1) % nPointCount);
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const basegfx::B2DPoint aPoint(aCandidate.getB2DPoint(d));
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const basegfx::B2DVector aPrev(aCandidate.getB2DPoint(nPrevInd) - aPoint);
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const basegfx::B2DVector aNext(aCandidate.getB2DPoint(nNextInd) - aPoint);
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const double fAngle(aPrev.angle(aNext));
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// take each angle which deviates more than 10% from going straight as
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// special edge. This will detect the two outer edges of pie segments,
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// but not always the center one (think about a near 180 degree pie)
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if(F_PI - fabs(fAngle) > F_PI * 0.1)
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{
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if(nPointCount == nIndexA)
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{
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nIndexA = d;
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}
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else if(nPointCount == nIndexB)
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{
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nIndexB = d;
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}
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else if(nPointCount == nIndexC)
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{
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nIndexC = d;
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d = nPointCount;
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}
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}
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}
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const bool bIndexAUsed(nIndexA != nPointCount);
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const bool bIndexBUsed(nIndexB != nPointCount);
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bool bIndexCUsed(nIndexC != nPointCount);
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if(bIndexCUsed)
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{
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// already three special edges found, so the center one was already detected
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// and does not need to be searched
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}
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else if(bIndexAUsed && bIndexBUsed)
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{
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// outer edges detected (they are approx. 90 degrees), but center one not.
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// Look with the knowledge that it's in-between the two found ones
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if(((nIndexA + 2) % nPointCount) == nIndexB)
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{
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nIndexC = (nIndexA + 1) % nPointCount;
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}
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else if(((nIndexA + nPointCount - 2) % nPointCount) == nIndexB)
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{
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nIndexC = (nIndexA + nPointCount - 1) % nPointCount;
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}
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bIndexCUsed = (nIndexC != nPointCount);
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}
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if(bIndexAUsed)
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{
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const basegfx::B2DPoint aPoint(aCandidate.getB2DPoint(nIndexA));
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const basegfx::B3DPoint aStart(aPoint.getX(), aPoint.getY(), 0.0);
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const basegfx::B3DPoint aEnd(aPoint.getX(), aPoint.getY(), getDepth());
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basegfx::B3DPolygon aToBeAdded;
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aToBeAdded.append(aStart);
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aToBeAdded.append(aEnd);
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aNewLineGeometry.append(aToBeAdded);
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}
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if(bIndexBUsed)
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{
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const basegfx::B2DPoint aPoint(aCandidate.getB2DPoint(nIndexB));
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const basegfx::B3DPoint aStart(aPoint.getX(), aPoint.getY(), 0.0);
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const basegfx::B3DPoint aEnd(aPoint.getX(), aPoint.getY(), getDepth());
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basegfx::B3DPolygon aToBeAdded;
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aToBeAdded.append(aStart);
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aToBeAdded.append(aEnd);
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aNewLineGeometry.append(aToBeAdded);
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}
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if(bIndexCUsed)
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{
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const basegfx::B2DPoint aPoint(aCandidate.getB2DPoint(nIndexC));
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const basegfx::B3DPoint aStart(aPoint.getX(), aPoint.getY(), 0.0);
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const basegfx::B3DPoint aEnd(aPoint.getX(), aPoint.getY(), getDepth());
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basegfx::B3DPolygon aToBeAdded;
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aToBeAdded.append(aStart);
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aToBeAdded.append(aEnd);
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aNewLineGeometry.append(aToBeAdded);
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}
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}
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}
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// append loops themselves
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aNewLineGeometry.append(aReducedLoops);
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if(aNewLineGeometry.count())
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{
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const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
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aNewLineGeometry, getTransform(), getSdrLFSAttribute().getLine()));
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appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
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}
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}
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else
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{
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// extract line geometry from slices
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const basegfx::B3DPolyPolygon aHorLine(extractHorizontalLinesFromSlice(rSliceVector, false));
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const basegfx::B3DPolyPolygon aVerLine(extractVerticalLinesFromSlice(rSliceVector));
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// add horizontal lines
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const Primitive3DSequence aHorLines(create3DPolyPolygonLinePrimitives(
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aHorLine, getTransform(), getSdrLFSAttribute().getLine()));
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appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aHorLines);
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// add vertical lines
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const Primitive3DSequence aVerLines(create3DPolyPolygonLinePrimitives(
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aVerLine, getTransform(), getSdrLFSAttribute().getLine()));
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appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aVerLines);
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}
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}
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// add shadow
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if(!getSdrLFSAttribute().getShadow().isDefault() && aRetval.hasElements())
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{
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const Primitive3DSequence aShadow(createShadowPrimitive3D(
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aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
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appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
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}
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}
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return aRetval;
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}
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void SdrExtrudePrimitive3D::impCreateSlices()
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{
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// prepare the polygon. No double points, correct orientations and a correct
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// outmost polygon are needed
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maCorrectedPolyPolygon = getPolyPolygon();
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maCorrectedPolyPolygon.removeDoublePoints();
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maCorrectedPolyPolygon = basegfx::tools::correctOrientations(maCorrectedPolyPolygon);
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maCorrectedPolyPolygon = basegfx::tools::correctOutmostPolygon(maCorrectedPolyPolygon);
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// prepare slices as geometry
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createExtrudeSlices(maSlices, maCorrectedPolyPolygon, getBackScale(), getDiagonal(), getDepth(), getCharacterMode(), getCloseFront(), getCloseBack());
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}
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const Slice3DVector& SdrExtrudePrimitive3D::getSlices() const
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{
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// This can be made dependent of getSdrLFSAttribute().getFill() and getSdrLFSAttribute().getLine()
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// again when no longer geometry is needed for non-visible 3D objects as it is now for chart
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if(getPolyPolygon().count() && !maSlices.size())
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{
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::osl::Mutex m_mutex;
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const_cast< SdrExtrudePrimitive3D& >(*this).impCreateSlices();
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}
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return maSlices;
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}
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SdrExtrudePrimitive3D::SdrExtrudePrimitive3D(
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const basegfx::B3DHomMatrix& rTransform,
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const basegfx::B2DVector& rTextureSize,
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const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
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const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
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const basegfx::B2DPolyPolygon& rPolyPolygon,
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double fDepth,
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double fDiagonal,
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double fBackScale,
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bool bSmoothNormals,
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bool bSmoothHorizontalNormals,
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bool bSmoothLids,
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bool bCharacterMode,
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bool bCloseFront,
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bool bCloseBack)
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: SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
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maCorrectedPolyPolygon(),
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maSlices(),
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maPolyPolygon(rPolyPolygon),
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mfDepth(fDepth),
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mfDiagonal(fDiagonal),
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mfBackScale(fBackScale),
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mpLastRLGViewInformation(0),
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mbSmoothNormals(bSmoothNormals),
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mbSmoothHorizontalNormals(bSmoothHorizontalNormals),
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mbSmoothLids(bSmoothLids),
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mbCharacterMode(bCharacterMode),
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mbCloseFront(bCloseFront),
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mbCloseBack(bCloseBack)
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{
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// make sure depth is positive
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if(basegfx::fTools::lessOrEqual(getDepth(), 0.0))
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{
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mfDepth = 0.0;
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}
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// make sure the percentage value getDiagonal() is between 0.0 and 1.0
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if(basegfx::fTools::lessOrEqual(getDiagonal(), 0.0))
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{
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mfDiagonal = 0.0;
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}
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else if(basegfx::fTools::moreOrEqual(getDiagonal(), 1.0))
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{
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mfDiagonal = 1.0;
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}
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// no close front/back when polygon is not closed
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if(getPolyPolygon().count() && !getPolyPolygon().getB2DPolygon(0L).isClosed())
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{
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mbCloseFront = mbCloseBack = false;
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}
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// no edge rounding when not closing
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if(!getCloseFront() && !getCloseBack())
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{
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mfDiagonal = 0.0;
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}
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}
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SdrExtrudePrimitive3D::~SdrExtrudePrimitive3D()
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{
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if(mpLastRLGViewInformation)
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{
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delete mpLastRLGViewInformation;
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}
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}
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bool SdrExtrudePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
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{
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if(SdrPrimitive3D::operator==(rPrimitive))
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{
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const SdrExtrudePrimitive3D& rCompare = static_cast< const SdrExtrudePrimitive3D& >(rPrimitive);
|
|
|
|
return (getPolyPolygon() == rCompare.getPolyPolygon()
|
|
&& getDepth() == rCompare.getDepth()
|
|
&& getDiagonal() == rCompare.getDiagonal()
|
|
&& getBackScale() == rCompare.getBackScale()
|
|
&& getSmoothNormals() == rCompare.getSmoothNormals()
|
|
&& getSmoothHorizontalNormals() == rCompare.getSmoothHorizontalNormals()
|
|
&& getSmoothLids() == rCompare.getSmoothLids()
|
|
&& getCharacterMode() == rCompare.getCharacterMode()
|
|
&& getCloseFront() == rCompare.getCloseFront()
|
|
&& getCloseBack() == rCompare.getCloseBack());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
basegfx::B3DRange SdrExtrudePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
|
|
{
|
|
// use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
|
|
// The parent implementation which uses the ranges of the decomposition would be more
|
|
// corrcet, 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());
|
|
}
|
|
|
|
Primitive3DSequence SdrExtrudePrimitive3D::get3DDecomposition(const geometry::ViewInformation3D& rViewInformation) const
|
|
{
|
|
if(getSdr3DObjectAttribute().getReducedLineGeometry())
|
|
{
|
|
if(!mpLastRLGViewInformation ||
|
|
(getBuffered3DDecomposition().hasElements()
|
|
&& *mpLastRLGViewInformation != rViewInformation))
|
|
{
|
|
// conditions of last local decomposition with reduced lines have changed. Remember
|
|
// new one and clear current decompositiopn
|
|
::osl::Mutex m_mutex;
|
|
SdrExtrudePrimitive3D* pThat = const_cast< SdrExtrudePrimitive3D* >(this);
|
|
pThat->setBuffered3DDecomposition(Primitive3DSequence());
|
|
delete pThat->mpLastRLGViewInformation;
|
|
pThat->mpLastRLGViewInformation = new geometry::ViewInformation3D(rViewInformation);
|
|
}
|
|
}
|
|
|
|
// no test for buffering needed, call parent
|
|
return SdrPrimitive3D::get3DDecomposition(rViewInformation);
|
|
}
|
|
|
|
// provide unique ID
|
|
ImplPrimitrive3DIDBlock(SdrExtrudePrimitive3D, PRIMITIVE3D_ID_SDREXTRUDEPRIMITIVE3D)
|
|
|
|
} // end of namespace primitive3d
|
|
} // end of namespace drawinglayer
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// eof
|