svx/source/sdr/contact/viewcontactofe3dsphere.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
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   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <svx/sdr/contact/viewcontactofe3dsphere.hxx>
  22 #include <svx/sphere3d.hxx>
  23 #include <drawinglayer/primitive3d/sdrsphereprimitive3d.hxx>
  24 #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
  25 #include <svx/sdr/primitive3d/sdrattributecreator3d.hxx>
  26
  27 //////////////////////////////////////////////////////////////////////////////
  28
  29 namespace sdr
  30 {
  31     namespace contact
  32     {
  33         ViewContactOfE3dSphere::ViewContactOfE3dSphere(E3dSphereObj& rSphere)
  34         :   ViewContactOfE3d(rSphere)
  35         {
  36         }
  37
  38         ViewContactOfE3dSphere::~ViewContactOfE3dSphere()
  39         {
  40         }
  41
  42         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3dSphere::createViewIndependentPrimitive3DSequence() const
  43         {
  44             drawinglayer::primitive3d::Primitive3DSequence xRetval;
  45             const SfxItemSet& rItemSet = GetE3dSphereObj().GetMergedItemSet();
  46             const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(
  47                 drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false));
  48
  49             // get sphere center and size for geometry
  50             basegfx::B3DRange aSphereRange;
  51             const basegfx::B3DPoint aSpherePosition(GetE3dSphereObj().Center());
  52             const basegfx::B3DVector aSphereSize(GetE3dSphereObj().Size());
  53             basegfx::B3DHomMatrix aWorldTransform;
  54
  55             aWorldTransform.translate(-0.5, -0.5, -0.5);
  56             aWorldTransform.scale(aSphereSize.getX(), aSphereSize.getY(), aSphereSize.getZ());
  57             aWorldTransform.translate(aSpherePosition.getX(), aSpherePosition.getY(), aSpherePosition.getZ());
  58
  59             // get 3D Object Attributes
  60             drawinglayer::attribute::Sdr3DObjectAttribute* pSdr3DObjectAttribute = drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet);
  61
  62             // get segment count
  63             const sal_uInt32 nHorizontalSegments(GetE3dSphereObj().GetHorizontalSegments());
  64             const sal_uInt32 nVerticalSegments(GetE3dSphereObj().GetVerticalSegments());
  65
  66             // calculate texture size, use radii for (2 * PI * r) to get a perfect
  67             // mapping on the sphere
  68             const basegfx::B2DVector aTextureSize(
  69                 F_PI * ((aSphereSize.getX() + aSphereSize.getZ()) / 2.0), // PI * d
  70                 F_PI2 * aSphereSize.getY()); // half outline, (PI * d)/2 -> PI/2 * d
  71
  72             // create primitive and add
  73             const drawinglayer::primitive3d::Primitive3DReference xReference(
  74                 new drawinglayer::primitive3d::SdrSpherePrimitive3D(
  75                     aWorldTransform, aTextureSize, aAttribute, *pSdr3DObjectAttribute,
  76                     nHorizontalSegments, nVerticalSegments));
  77             xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
  78
  79             // delete 3D Object Attributes
  80             delete pSdr3DObjectAttribute;
  81
  82             return xRetval;
  83         }
  84     } // end of namespace contact
  85 } // end of namespace sdr
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */