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+/* -*- 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/svdobjkind.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
+}
+
+E3dPolygonObj::E3dPolygonObj(SdrModel& rSdrModel, E3dPolygonObj const& rSource)
+ : E3dCompoundObject(rSdrModel, rSource)
+ , bLineOnly(false)
+{
+ // Create no geometry
+
+ aPolyPoly3D = rSource.aPolyPoly3D;
+ aPolyNormals3D = rSource.aPolyNormals3D;
+ aPolyTexture2D = rSource.aPolyTexture2D;
+ bLineOnly = rSource.bLineOnly;
+}
+
+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() {}
+
+SdrObjKind E3dPolygonObj::GetObjIdentifier() const { return SdrObjKind::E3D_Polygon; }
+
+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
+
+rtl::Reference<SdrObject> E3dPolygonObj::DoConvertToPolyObj(bool /*bBezier*/,
+ bool /*bAddText*/) const
+{
+ return nullptr;
+}
+
+rtl::Reference<SdrObject> E3dPolygonObj::CloneSdrObject(SdrModel& rTargetModel) const
+{
+ return new E3dPolygonObj(rTargetModel, *this);
+}
+
+void E3dPolygonObj::SetLineOnly(bool bNew)
+{
+ if (bNew != bLineOnly)
+ {
+ bLineOnly = bNew;
+ ActionChanged();
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */