215 lines
10 KiB
C++
215 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <drawinglayer/primitive3d/sdrsphereprimitive3d.hxx>
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#include <basegfx/polygon/b3dpolypolygontools.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/polygon/b3dpolygon.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/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 SdrSpherePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
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{
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Primitive3DSequence aRetval;
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const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
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const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()
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|| ::com::sun::star::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind());
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// create unit geometry
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basegfx::B3DPolyPolygon aFill(basegfx::tools::createSphereFillPolyPolygonFromB3DRange(aUnitRange,
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getHorizontalSegments(), getVerticalSegments(), bCreateNormals));
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// normal inversion
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if(!getSdrLFSAttribute().getFill().isDefault()
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&& bCreateNormals
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&& getSdr3DObjectAttribute().getNormalsInvert()
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&& aFill.areNormalsUsed())
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{
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// invert normals
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aFill = basegfx::tools::invertNormals(aFill);
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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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// handle texture coordinates X
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const bool bParallelX(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());
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const bool bObjectSpecificX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
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const bool bSphereX(::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX());
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// handle texture coordinates Y
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const bool bParallelY(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());
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const bool bObjectSpecificY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
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const bool bSphereY(::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY());
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if(bParallelX || bParallelY)
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{
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// apply parallel texture coordinates in X and/or Y
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const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
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aFill = basegfx::tools::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);
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}
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if(bSphereX || bObjectSpecificX || bSphereY || bObjectSpecificY)
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{
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double fRelativeAngle(0.0);
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if(bObjectSpecificX)
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{
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// Since the texture coordinates are (for historical reasons)
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// different from forced to sphere texture coordinates,
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// create a old version from it by rotating to old state before applying
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// the texture coordinates to emulate old behaviour
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fRelativeAngle = F_2PI * ((double)((getHorizontalSegments() >> 1L) - 1L) / (double)getHorizontalSegments());
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basegfx::B3DHomMatrix aRot;
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aRot.rotate(0.0, fRelativeAngle, 0.0);
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aFill.transform(aRot);
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}
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// apply spherical texture coordinates in X and/or Y
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const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
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const basegfx::B3DPoint aCenter(aRange.getCenter());
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aFill = basegfx::tools::applyDefaultTextureCoordinatesSphere(aFill, aCenter,
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bSphereX || bObjectSpecificX, bSphereY || bObjectSpecificY);
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if(bObjectSpecificX)
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{
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// rotate back again
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basegfx::B3DHomMatrix aRot;
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aRot.rotate(0.0, -fRelativeAngle, 0.0);
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aFill.transform(aRot);
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}
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}
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// transform texture coordinates to texture size
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basegfx::B2DHomMatrix aTexMatrix;
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aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY());
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aFill.transformTextureCoordiantes(aTexMatrix);
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}
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// build vector of PolyPolygons
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::std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;
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for(sal_uInt32 a(0L); a < aFill.count(); a++)
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{
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a3DPolyPolygonVector.push_back(basegfx::B3DPolyPolygon(aFill.getB3DPolygon(a)));
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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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a3DPolyPolygonVector,
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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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a3DPolyPolygonVector,
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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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basegfx::B3DPolyPolygon aSphere(basegfx::tools::createSpherePolyPolygonFromB3DRange(aUnitRange, getHorizontalSegments(), getVerticalSegments()));
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const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
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aSphere, getTransform(), getSdrLFSAttribute().getLine()));
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appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
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}
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// add shadow
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if(!getSdrLFSAttribute().getShadow().isDefault()
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&& 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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return aRetval;
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}
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SdrSpherePrimitive3D::SdrSpherePrimitive3D(
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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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sal_uInt32 nHorizontalSegments,
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sal_uInt32 nVerticalSegments)
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: SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
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mnHorizontalSegments(nHorizontalSegments),
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mnVerticalSegments(nVerticalSegments)
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{
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}
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bool SdrSpherePrimitive3D::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 SdrSpherePrimitive3D& rCompare = static_cast< const SdrSpherePrimitive3D& >(rPrimitive);
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return (getHorizontalSegments() == rCompare.getHorizontalSegments()
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&& getVerticalSegments() == rCompare.getVerticalSegments());
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}
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return false;
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}
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basegfx::B3DRange SdrSpherePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
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{
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// use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
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// The parent implementation which uses the ranges of the decomposition would be more
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// corrcet, but for historical reasons it is necessary to do the old method: To get
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// the range of the non-transformed geometry and transform it then. This leads to different
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// ranges where the new method is more correct, but the need to keep the old behaviour
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// has priority here.
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return getStandard3DRange();
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}
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// provide unique ID
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ImplPrimitrive3DIDBlock(SdrSpherePrimitive3D, PRIMITIVE3D_ID_SDRSPHEREPRIMITIVE3D)
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} // end of namespace primitive3d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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