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| -rw-r--r-- | drawinglayer/source/primitive3d/sdrcubeprimitive3d.cxx | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive3d/sdrcubeprimitive3d.cxx b/drawinglayer/source/primitive3d/sdrcubeprimitive3d.cxx new file mode 100644 index 000000000..6297c7df0 --- /dev/null +++ b/drawinglayer/source/primitive3d/sdrcubeprimitive3d.cxx @@ -0,0 +1,199 @@ +/* -*- 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/sdrcubeprimitive3d.hxx> +#include <basegfx/polygon/b3dpolypolygontools.hxx> +#include <basegfx/polygon/b3dpolygon.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <primitive3d/sdrdecompositiontools3d.hxx> +#include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.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 SdrCubePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const + { + const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0); + Primitive3DContainer aRetval; + basegfx::B3DPolyPolygon aFill(basegfx::utils::createCubeFillPolyPolygonFromB3DRange(aUnitRange)); + + // normal creation + if(!getSdrLFSAttribute().getFill().isDefault()) + { + if(css::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind() + || css::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind()) + { + // create sphere normals + const basegfx::B3DPoint aCenter(basegfx::utils::getRange(aFill).getCenter()); + aFill = basegfx::utils::applyDefaultNormalsSphere(aFill, aCenter); + } + + if(getSdr3DObjectAttribute().getNormalsInvert()) + { + // invert normals + aFill = basegfx::utils::invertNormals(aFill); + } + } + + // texture coordinates + if(!getSdrLFSAttribute().getFill().isDefault()) + { + // handle texture coordinates X + const bool bParallelX(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX()); + const bool bObjectSpecificX(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX()); + const bool bSphereX(!bParallelX && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX())); + + // handle texture coordinates Y + const bool bParallelY(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY()); + const bool bObjectSpecificY(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY()); + const bool bSphereY(!bParallelY && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY())); + + if(bParallelX || bParallelY) + { + // apply parallel texture coordinates in X and/or Y + const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill)); + aFill = basegfx::utils::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY); + } + + if(bSphereX || bSphereY) + { + // apply spherical texture coordinates in X and/or Y + const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill)); + const basegfx::B3DPoint aCenter(aRange.getCenter()); + aFill = basegfx::utils::applyDefaultTextureCoordinatesSphere(aFill, aCenter, bSphereX, bSphereY); + } + + if(bObjectSpecificX || bObjectSpecificY) + { + // object-specific + for(sal_uInt32 a(0); a < aFill.count(); a++) + { + basegfx::B3DPolygon aTmpPoly(aFill.getB3DPolygon(a)); + + if(aTmpPoly.count() >= 4) + { + for(sal_uInt32 b(0); b < 4; b++) + { + basegfx::B2DPoint aPoint(aTmpPoly.getTextureCoordinate(b)); + + if(bObjectSpecificX) + { + aPoint.setX((1 == b || 2 == b) ? 1.0 : 0.0); + } + + if(bObjectSpecificY) + { + aPoint.setY((2 == b || 3 == b) ? 1.0 : 0.0); + } + + aTmpPoly.setTextureCoordinate(b, aPoint); + } + + aFill.setB3DPolygon(a, aTmpPoly); + } + } + } + + // transform texture coordinates to texture size + basegfx::B2DHomMatrix aTexMatrix; + aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY()); + aFill.transformTextureCoordinates(aTexMatrix); + } + + // build vector of PolyPolygons + std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector; + + for(sal_uInt32 a(0); a < aFill.count(); a++) + { + a3DPolyPolygonVector.emplace_back(aFill.getB3DPolygon(a)); + } + + if(!getSdrLFSAttribute().getFill().isDefault()) + { + // add fill + aRetval = create3DPolyPolygonFillPrimitives( + a3DPolyPolygonVector, + getTransform(), + getTextureSize(), + getSdr3DObjectAttribute(), + getSdrLFSAttribute().getFill(), + getSdrLFSAttribute().getFillFloatTransGradient()); + } + else + { + // create simplified 3d hit test geometry + aRetval = createHiddenGeometryPrimitives3D( + a3DPolyPolygonVector, + getTransform(), + getTextureSize(), + getSdr3DObjectAttribute()); + } + + // add line + if(!getSdrLFSAttribute().getLine().isDefault()) + { + basegfx::B3DPolyPolygon aLine(basegfx::utils::createCubePolyPolygonFromB3DRange(aUnitRange)); + const Primitive3DContainer aLines(create3DPolyPolygonLinePrimitives( + aLine, getTransform(), getSdrLFSAttribute().getLine())); + aRetval.append(aLines); + } + + // add shadow + if(!getSdrLFSAttribute().getShadow().isDefault() && !aRetval.empty()) + { + const Primitive3DContainer aShadow(createShadowPrimitive3D( + aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D())); + aRetval.append(aShadow); + } + + return aRetval; + } + + SdrCubePrimitive3D::SdrCubePrimitive3D( + const basegfx::B3DHomMatrix& rTransform, + const basegfx::B2DVector& rTextureSize, + const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute, + const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute) + : SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute) + { + } + + basegfx::B3DRange SdrCubePrimitive3D::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 getStandard3DRange(); + } + + // provide unique ID + ImplPrimitive3DIDBlock(SdrCubePrimitive3D, PRIMITIVE3D_ID_SDRCUBEPRIMITIVE3D) + +} // end of namespace + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |