drawinglayer/source/primitive3d/sdrcubeprimitive3d.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.
   4  *
   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 #include <drawinglayer/primitive3d/sdrcubeprimitive3d.hxx>
  21 #include <basegfx/polygon/b3dpolypolygontools.hxx>
  22 #include <basegfx/polygon/b3dpolygon.hxx>
  23 #include <basegfx/matrix/b2dhommatrix.hxx>
  24 #include <primitive3d/sdrdecompositiontools3d.hxx>
  25 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
  26 #include <drawinglayer/attribute/sdrfillattribute.hxx>
  27 #include <drawinglayer/attribute/sdrlineattribute.hxx>
  28 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
  29
  30
  31 using namespace com::sun::star;
  32
  33
  34 namespace drawinglayer::primitive3d
  35 {
  36         Primitive3DContainer SdrCubePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
  37         {
  38             const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
  39             Primitive3DContainer aRetval;
  40             basegfx::B3DPolyPolygon aFill(basegfx::utils::createCubeFillPolyPolygonFromB3DRange(aUnitRange));
  41
  42             // normal creation
  43             if(!getSdrLFSAttribute().getFill().isDefault())
  44             {
  45                 if(css::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()
  46                     || css::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind())
  47                 {
  48                     // create sphere normals
  49                     const basegfx::B3DPoint aCenter(basegfx::utils::getRange(aFill).getCenter());
  50                     aFill = basegfx::utils::applyDefaultNormalsSphere(aFill, aCenter);
  51                 }
  52
  53                 if(getSdr3DObjectAttribute().getNormalsInvert())
  54                 {
  55                     // invert normals
  56                     aFill = basegfx::utils::invertNormals(aFill);
  57                 }
  58             }
  59
  60             // texture coordinates
  61             if(!getSdrLFSAttribute().getFill().isDefault())
  62             {
  63                 // handle texture coordinates X
  64                 const bool bParallelX(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());
  65                 const bool bObjectSpecificX(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
  66                 const bool bSphereX(!bParallelX && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX()));
  67
  68                 // handle texture coordinates Y
  69                 const bool bParallelY(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());
  70                 const bool bObjectSpecificY(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
  71                 const bool bSphereY(!bParallelY && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY()));
  72
  73                 if(bParallelX || bParallelY)
  74                 {
  75                     // apply parallel texture coordinates in X and/or Y
  76                     const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill));
  77                     aFill = basegfx::utils::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);
  78                 }
  79
  80                 if(bSphereX || bSphereY)
  81                 {
  82                     // apply spherical texture coordinates in X and/or Y
  83                     const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill));
  84                     const basegfx::B3DPoint aCenter(aRange.getCenter());
  85                     aFill = basegfx::utils::applyDefaultTextureCoordinatesSphere(aFill, aCenter, bSphereX, bSphereY);
  86                 }
  87
  88                 if(bObjectSpecificX || bObjectSpecificY)
  89                 {
  90                     // object-specific
  91                     for(sal_uInt32 a(0); a < aFill.count(); a++)
  92                     {
  93                         basegfx::B3DPolygon aTmpPoly(aFill.getB3DPolygon(a));
  94
  95                         if(aTmpPoly.count() >= 4)
  96                         {
  97                             for(sal_uInt32 b(0); b < 4; b++)
  98                             {
  99                                 basegfx::B2DPoint aPoint(aTmpPoly.getTextureCoordinate(b));
 100
 101                                 if(bObjectSpecificX)
 102                                 {
 103                                     aPoint.setX((1 == b || 2 == b) ? 1.0 : 0.0);
 104                                 }
 105
 106                                 if(bObjectSpecificY)
 107                                 {
 108                                     aPoint.setY((2 == b || 3 == b) ? 1.0 : 0.0);
 109                                 }
 110
 111                                 aTmpPoly.setTextureCoordinate(b, aPoint);
 112                             }
 113
 114                             aFill.setB3DPolygon(a, aTmpPoly);
 115                         }
 116                     }
 117                 }
 118
 119                 // transform texture coordinates to texture size
 120                 basegfx::B2DHomMatrix aTexMatrix;
 121                 aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY());
 122                 aFill.transformTextureCoordinates(aTexMatrix);
 123             }
 124
 125             // build vector of PolyPolygons
 126             std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;
 127
 128             for(sal_uInt32 a(0); a < aFill.count(); a++)
 129             {
 130                 a3DPolyPolygonVector.emplace_back(aFill.getB3DPolygon(a));
 131             }
 132
 133             if(!getSdrLFSAttribute().getFill().isDefault())
 134             {
 135                 // add fill
 136                 aRetval = create3DPolyPolygonFillPrimitives(
 137                     a3DPolyPolygonVector,
 138                     getTransform(),
 139                     getTextureSize(),
 140                     getSdr3DObjectAttribute(),
 141                     getSdrLFSAttribute().getFill(),
 142                     getSdrLFSAttribute().getFillFloatTransGradient());
 143             }
 144             else
 145             {
 146                 // create simplified 3d hit test geometry
 147                 aRetval = createHiddenGeometryPrimitives3D(
 148                     a3DPolyPolygonVector,
 149                     getTransform(),
 150                     getTextureSize(),
 151                     getSdr3DObjectAttribute());
 152             }
 153
 154             // add line
 155             if(!getSdrLFSAttribute().getLine().isDefault())
 156             {
 157                 basegfx::B3DPolyPolygon aLine(basegfx::utils::createCubePolyPolygonFromB3DRange(aUnitRange));
 158                 const Primitive3DContainer aLines(create3DPolyPolygonLinePrimitives(
 159                     aLine, getTransform(), getSdrLFSAttribute().getLine()));
 160                 aRetval.append(aLines);
 161             }
 162
 163             // add shadow
 164             if(!getSdrLFSAttribute().getShadow().isDefault() && !aRetval.empty())
 165             {
 166                 const Primitive3DContainer aShadow(createShadowPrimitive3D(
 167                     aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
 168                 aRetval.append(aShadow);
 169             }
 170
 171             return aRetval;
 172         }
 173
 174         SdrCubePrimitive3D::SdrCubePrimitive3D(
 175             const basegfx::B3DHomMatrix& rTransform,
 176             const basegfx::B2DVector& rTextureSize,
 177             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
 178             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute)
 179         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute)
 180         {
 181         }
 182
 183         basegfx::B3DRange SdrCubePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
 184         {
 185             // use default from sdrPrimitive3D which uses transformation expanded by line width/2.
 186             // The parent implementation which uses the ranges of the decomposition would be more
 187             // correct, but for historical reasons it is necessary to do the old method: To get
 188             // the range of the non-transformed geometry and transform it then. This leads to different
 189             // ranges where the new method is more correct, but the need to keep the old behaviour
 190             // has priority here.
 191             return getStandard3DRange();
 192         }
 193
 194         // provide unique ID
 195         ImplPrimitive3DIDBlock(SdrCubePrimitive3D, PRIMITIVE3D_ID_SDRCUBEPRIMITIVE3D)
 196
 197 } // end of namespace
 198
 199 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */