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Diffstat (limited to '')
| -rw-r--r-- | svx/source/engine3d/polygn3d.cxx | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/svx/source/engine3d/polygn3d.cxx b/svx/source/engine3d/polygn3d.cxx new file mode 100644 index 000000000..d8c1b5d0c --- /dev/null +++ b/svx/source/engine3d/polygn3d.cxx @@ -0,0 +1,248 @@ +/* -*- 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 <polygn3d.hxx> +#include <svx/globl3d.hxx> +#include <basegfx/point/b3dpoint.hxx> +#include <sdr/contact/viewcontactofe3dpolygon.hxx> +#include <basegfx/polygon/b3dpolygon.hxx> +#include <basegfx/polygon/b3dpolygontools.hxx> + +// DrawContact section +std::unique_ptr<sdr::contact::ViewContact> E3dPolygonObj::CreateObjectSpecificViewContact() +{ + return std::make_unique<sdr::contact::ViewContactOfE3dPolygon>(*this); +} + +E3dPolygonObj::E3dPolygonObj( + SdrModel& rSdrModel, + const basegfx::B3DPolyPolygon& rPolyPoly3D) +: E3dCompoundObject(rSdrModel), + bLineOnly(true) +{ + // Set geometry + SetPolyPolygon3D(rPolyPoly3D); + + // Create default normals + CreateDefaultNormals(); + + // Create default texture coordinates + CreateDefaultTexture(); +} + +E3dPolygonObj::E3dPolygonObj(SdrModel& rSdrModel) +: E3dCompoundObject(rSdrModel), + bLineOnly(false) +{ + // Create no geometry +} + +void E3dPolygonObj::CreateDefaultNormals() +{ + basegfx::B3DPolyPolygon aPolyNormals; + + // Create a complete tools::PolyPolygon with the plane normal + for(sal_uInt32 a(0); a < aPolyPoly3D.count(); a++) + { + // Find source polygon + const basegfx::B3DPolygon aPolygon(aPolyPoly3D.getB3DPolygon(a)); + + // Creating a new polygon for the normal + basegfx::B3DPolygon aNormals; + + // Get normal (and invert) + basegfx::B3DVector aNormal(-aPolygon.getNormal()); + + // Fill new polygon + for(sal_uInt32 b(0); b < aPolygon.count(); b++) + { + aNormals.append(aNormal); + } + + // Insert new polygon into the PolyPolygon + aPolyNormals.append(aNormals); + } + + // Set default normal + SetPolyNormals3D(aPolyNormals); +} + +void E3dPolygonObj::CreateDefaultTexture() +{ + basegfx::B2DPolyPolygon aPolyTexture; + // Create a complete tools::PolyPolygon with the texture coordinates + // The texture coordinates extend over X,Y and Z + // on the whole extreme values in the range 0.0 .. 1.0 + for(sal_uInt32 a(0); a < aPolyPoly3D.count(); a++) + { + // Find source polygon + const basegfx::B3DPolygon& aPolygon(aPolyPoly3D.getB3DPolygon(a)); + + // Determine the total size of the object + basegfx::B3DRange aVolume(basegfx::utils::getRange(aPolygon)); + + // Get normal + basegfx::B3DVector aNormal(aPolygon.getNormal()); + aNormal.setX(fabs(aNormal.getX())); + aNormal.setY(fabs(aNormal.getY())); + aNormal.setZ(fabs(aNormal.getZ())); + + // Decide which coordinates should be used as a source for the mapping + sal_uInt16 nSourceMode = 0; + + // Determine the greatest degree of freedom + if(!(aNormal.getX() > aNormal.getY() && aNormal.getX() > aNormal.getZ())) + { + if(aNormal.getY() > aNormal.getZ()) + { + // Y is the largest, use X,Z as mapping + nSourceMode = 1; + } + else + { + // Z is the largest, use X,Y as mapping + nSourceMode = 2; + } + } + + // Create new polygon for texture coordinates + basegfx::B2DPolygon aTexture; + + // Fill new polygon + for(sal_uInt32 b(0); b < aPolygon.count(); b++) + { + basegfx::B2DPoint aTex; + const basegfx::B3DPoint aCandidate(aPolygon.getB3DPoint(b)); + + switch(nSourceMode) + { + case 0: //Source is Y,Z + if(aVolume.getHeight()) + aTex.setX((aCandidate.getY() - aVolume.getMinY()) / aVolume.getHeight()); + if(aVolume.getDepth()) + aTex.setY((aCandidate.getZ() - aVolume.getMinZ()) / aVolume.getDepth()); + break; + + case 1: // Source is X,Z + if(aVolume.getWidth()) + aTex.setX((aCandidate.getX() - aVolume.getMinX()) / aVolume.getWidth()); + if(aVolume.getDepth()) + aTex.setY((aCandidate.getZ() - aVolume.getMinZ()) / aVolume.getDepth()); + break; + + case 2: // Source is X,Y + if(aVolume.getWidth()) + aTex.setX((aCandidate.getX() - aVolume.getMinX()) / aVolume.getWidth()); + if(aVolume.getHeight()) + aTex.setY((aCandidate.getY() - aVolume.getMinY()) / aVolume.getHeight()); + break; + } + + aTexture.append(aTex); + } + + // Insert new polygon into the PolyPolygon + aPolyTexture.append(aTexture); + } + + // Set default Texture coordinates + SetPolyTexture2D(aPolyTexture); +} + +E3dPolygonObj::~E3dPolygonObj() +{ +} + +sal_uInt16 E3dPolygonObj::GetObjIdentifier() const +{ + return E3D_POLYGONOBJ_ID; +} + +void E3dPolygonObj::SetPolyPolygon3D(const basegfx::B3DPolyPolygon& rNewPolyPoly3D) +{ + if ( aPolyPoly3D != rNewPolyPoly3D ) + { + // New PolyPolygon; copying + aPolyPoly3D = rNewPolyPoly3D; + + // Create new geometry + ActionChanged(); + } +} + +void E3dPolygonObj::SetPolyNormals3D(const basegfx::B3DPolyPolygon& rNewPolyNormals3D) +{ + if ( aPolyNormals3D != rNewPolyNormals3D ) + { + // New PolyPolygon; copying + aPolyNormals3D = rNewPolyNormals3D; + + // Create new geometry + ActionChanged(); + } +} + +void E3dPolygonObj::SetPolyTexture2D(const basegfx::B2DPolyPolygon& rNewPolyTexture2D) +{ + if ( aPolyTexture2D != rNewPolyTexture2D ) + { + // New PolyPolygon; copying + aPolyTexture2D = rNewPolyTexture2D; + + // Create new geometry + ActionChanged(); + } +} + +// Convert the object into a group object consisting of 6 polygons + +SdrObjectUniquePtr E3dPolygonObj::DoConvertToPolyObj(bool /*bBezier*/, bool /*bAddText*/) const +{ + return nullptr; +} + +E3dPolygonObj* E3dPolygonObj::CloneSdrObject(SdrModel& rTargetModel) const +{ + return CloneHelper< E3dPolygonObj >(rTargetModel); +} + +E3dPolygonObj& E3dPolygonObj::operator=(const E3dPolygonObj& rObj) +{ + if( this == &rObj ) + return *this; + E3dCompoundObject::operator=(rObj); + + aPolyPoly3D = rObj.aPolyPoly3D; + aPolyNormals3D = rObj.aPolyNormals3D; + aPolyTexture2D = rObj.aPolyTexture2D; + bLineOnly = rObj.bLineOnly; + + return *this; +} + +void E3dPolygonObj::SetLineOnly(bool bNew) +{ + if(bNew != bLineOnly) + { + bLineOnly = bNew; + ActionChanged(); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |