svx/source/sdr/contact/viewcontactofe3dlathe.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
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   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/viewcontactofe3dlathe.hxx>
  22 #include <svx/lathe3d.hxx>
  23 #include <drawinglayer/primitive3d/sdrlatheprimitive3d.hxx>
  24 #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
  25 #include <svx/sdr/primitive3d/sdrattributecreator3d.hxx>
  26 #include <basegfx/polygon/b2dpolygontools.hxx>
  27
  28 //////////////////////////////////////////////////////////////////////////////
  29
  30 namespace sdr
  31 {
  32     namespace contact
  33     {
  34         ViewContactOfE3dLathe::ViewContactOfE3dLathe(E3dLatheObj& rLathe)
  35         :   ViewContactOfE3d(rLathe)
  36         {
  37         }
  38
  39         ViewContactOfE3dLathe::~ViewContactOfE3dLathe()
  40         {
  41         }
  42
  43         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3dLathe::createViewIndependentPrimitive3DSequence() const
  44         {
  45             drawinglayer::primitive3d::Primitive3DSequence xRetval;
  46             const SfxItemSet& rItemSet = GetE3dLatheObj().GetMergedItemSet();
  47             const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(
  48                 drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false));
  49
  50             // get extrude geometry
  51             const basegfx::B2DPolyPolygon aPolyPolygon(GetE3dLatheObj().GetPolyPoly2D());
  52
  53             // get 3D Object Attributes
  54             drawinglayer::attribute::Sdr3DObjectAttribute* pSdr3DObjectAttribute = drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet);
  55
  56             // calculate texture size. Use the polygon length of the longest polygon for
  57             // height and the rotated radius for width (using polygon center) to get a good
  58             // texture mapping
  59             const sal_uInt32 nPolygonCount(aPolyPolygon.count());
  60             double fPolygonMaxLength(0.0);
  61
  62             for(sal_uInt32 a(0); a < nPolygonCount; a++)
  63             {
  64                 const basegfx::B2DPolygon aCandidate(aPolyPolygon.getB2DPolygon(a));
  65                 const double fPolygonLength(basegfx::tools::getLength(aCandidate));
  66                 fPolygonMaxLength = std::max(fPolygonMaxLength, fPolygonLength);
  67             }
  68
  69             const basegfx::B2DRange aPolyPolygonRange(basegfx::tools::getRange(aPolyPolygon));
  70             const basegfx::B2DVector aTextureSize(
  71                 F_PI * fabs(aPolyPolygonRange.getCenter().getX()), // PI * d
  72                 fPolygonMaxLength);
  73
  74             // get more data
  75             const sal_uInt32 nHorizontalSegments(GetE3dLatheObj().GetHorizontalSegments());
  76             const sal_uInt32 nVerticalSegments(GetE3dLatheObj().GetVerticalSegments());
  77             const double fDiagonal((double)GetE3dLatheObj().GetPercentDiagonal() / 100.0);
  78             const double fBackScale((double)GetE3dLatheObj().GetBackScale() / 100.0);
  79             const double fRotation(((double)GetE3dLatheObj().GetEndAngle() / 1800.0) * F_PI);
  80             const bool bSmoothNormals(GetE3dLatheObj().GetSmoothNormals()); // Plane itself
  81             const bool bSmoothLids(GetE3dLatheObj().GetSmoothLids()); // Front/back
  82             const bool bCharacterMode(GetE3dLatheObj().GetCharacterMode());
  83             const bool bCloseFront(GetE3dLatheObj().GetCloseFront());
  84             const bool bCloseBack(GetE3dLatheObj().GetCloseBack());
  85
  86             // create primitive and add
  87             const basegfx::B3DHomMatrix aWorldTransform;
  88             const drawinglayer::primitive3d::Primitive3DReference xReference(
  89                 new drawinglayer::primitive3d::SdrLathePrimitive3D(
  90                     aWorldTransform, aTextureSize, aAttribute, *pSdr3DObjectAttribute,
  91                     aPolyPolygon, nHorizontalSegments, nVerticalSegments,
  92                     fDiagonal, fBackScale, fRotation,
  93                     bSmoothNormals, true, bSmoothLids, bCharacterMode, bCloseFront, bCloseBack));
  94             xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
  95
  96             // delete 3D Object Attributes
  97             delete pSdr3DObjectAttribute;
  98
  99             return xRetval;
 100         }
 101     } // end of namespace contact
 102 } // end of namespace sdr
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */