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.
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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 #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 <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
  25 #include <basegfx/utils/canvastools.hxx>
  26 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
  27 #include <drawinglayer/attribute/sdrfillattribute.hxx>
  28 #include <drawinglayer/attribute/sdrlineattribute.hxx>
  29 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
  30
  31
  32 using namespace com::sun::star;
  33
  34
  35 namespace drawinglayer
  36 {
  37     namespace primitive3d
  38     {
  39         Primitive3DContainer SdrCubePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
  40         {
  41             const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
  42             Primitive3DContainer aRetval;
  43             basegfx::B3DPolyPolygon aFill(basegfx::utils::createCubeFillPolyPolygonFromB3DRange(aUnitRange));
  44
  45             // normal creation
  46             if(!getSdrLFSAttribute().getFill().isDefault())
  47             {
  48                 if(css::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()
  49                     || css::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind())
  50                 {
  51                     // create sphere normals
  52                     const basegfx::B3DPoint aCenter(basegfx::utils::getRange(aFill).getCenter());
  53                     aFill = basegfx::utils::applyDefaultNormalsSphere(aFill, aCenter);
  54                 }
  55
  56                 if(getSdr3DObjectAttribute().getNormalsInvert())
  57                 {
  58                     // invert normals
  59                     aFill = basegfx::utils::invertNormals(aFill);
  60                 }
  61             }
  62
  63             // texture coordinates
  64             if(!getSdrLFSAttribute().getFill().isDefault())
  65             {
  66                 // handle texture coordinates X
  67                 const bool bParallelX(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());
  68                 const bool bObjectSpecificX(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
  69                 const bool bSphereX(!bParallelX && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX()));
  70
  71                 // handle texture coordinates Y
  72                 const bool bParallelY(css::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());
  73                 const bool bObjectSpecificY(css::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
  74                 const bool bSphereY(!bParallelY && (css::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY()));
  75
  76                 if(bParallelX || bParallelY)
  77                 {
  78                     // apply parallel texture coordinates in X and/or Y
  79                     const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill));
  80                     aFill = basegfx::utils::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);
  81                 }
  82
  83                 if(bSphereX || bSphereY)
  84                 {
  85                     // apply spherical texture coordinates in X and/or Y
  86                     const basegfx::B3DRange aRange(basegfx::utils::getRange(aFill));
  87                     const basegfx::B3DPoint aCenter(aRange.getCenter());
  88                     aFill = basegfx::utils::applyDefaultTextureCoordinatesSphere(aFill, aCenter, bSphereX, bSphereY);
  89                 }
  90
  91                 if(bObjectSpecificX || bObjectSpecificY)
  92                 {
  93                     // object-specific
  94                     for(sal_uInt32 a(0); a < aFill.count(); a++)
  95                     {
  96                         basegfx::B3DPolygon aTmpPoly(aFill.getB3DPolygon(a));
  97
  98                         if(aTmpPoly.count() >= 4)
  99                         {
 100                             for(sal_uInt32 b(0); b < 4; b++)
 101                             {
 102                                 basegfx::B2DPoint aPoint(aTmpPoly.getTextureCoordinate(b));
 103
 104                                 if(bObjectSpecificX)
 105                                 {
 106                                     aPoint.setX((1 == b || 2 == b) ? 1.0 : 0.0);
 107                                 }
 108
 109                                 if(bObjectSpecificY)
 110                                 {
 111                                     aPoint.setY((2 == b || 3 == b) ? 1.0 : 0.0);
 112                                 }
 113
 114                                 aTmpPoly.setTextureCoordinate(b, aPoint);
 115                             }
 116
 117                             aFill.setB3DPolygon(a, aTmpPoly);
 118                         }
 119                     }
 120                 }
 121
 122                 // transform texture coordinates to texture size
 123                 basegfx::B2DHomMatrix aTexMatrix;
 124                 aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY());
 125                 aFill.transformTextureCoordinates(aTexMatrix);
 126             }
 127
 128             // build vector of PolyPolygons
 129             std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;
 130
 131             for(sal_uInt32 a(0); a < aFill.count(); a++)
 132             {
 133                 a3DPolyPolygonVector.emplace_back(aFill.getB3DPolygon(a));
 134             }
 135
 136             if(!getSdrLFSAttribute().getFill().isDefault())
 137             {
 138                 // add fill
 139                 aRetval = create3DPolyPolygonFillPrimitives(
 140                     a3DPolyPolygonVector,
 141                     getTransform(),
 142                     getTextureSize(),
 143                     getSdr3DObjectAttribute(),
 144                     getSdrLFSAttribute().getFill(),
 145                     getSdrLFSAttribute().getFillFloatTransGradient());
 146             }
 147             else
 148             {
 149                 // create simplified 3d hit test geometry
 150                 aRetval = createHiddenGeometryPrimitives3D(
 151                     a3DPolyPolygonVector,
 152                     getTransform(),
 153                     getTextureSize(),
 154                     getSdr3DObjectAttribute());
 155             }
 156
 157             // add line
 158             if(!getSdrLFSAttribute().getLine().isDefault())
 159             {
 160                 basegfx::B3DPolyPolygon aLine(basegfx::utils::createCubePolyPolygonFromB3DRange(aUnitRange));
 161                 const Primitive3DContainer aLines(create3DPolyPolygonLinePrimitives(
 162                     aLine, getTransform(), getSdrLFSAttribute().getLine()));
 163                 aRetval.append(aLines);
 164             }
 165
 166             // add shadow
 167             if(!getSdrLFSAttribute().getShadow().isDefault() && !aRetval.empty())
 168             {
 169                 const Primitive3DContainer aShadow(createShadowPrimitive3D(
 170                     aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
 171                 aRetval.append(aShadow);
 172             }
 173
 174             return aRetval;
 175         }
 176
 177         SdrCubePrimitive3D::SdrCubePrimitive3D(
 178             const basegfx::B3DHomMatrix& rTransform,
 179             const basegfx::B2DVector& rTextureSize,
 180             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
 181             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute)
 182         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute)
 183         {
 184         }
 185
 186         basegfx::B3DRange SdrCubePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
 187         {
 188             // use default from sdrPrimitive3D which uses transformation expanded by line width/2.
 189             // The parent implementation which uses the ranges of the decomposition would be more
 190             // correct, but for historical reasons it is necessary to do the old method: To get
 191             // the range of the non-transformed geometry and transform it then. This leads to different
 192             // ranges where the new method is more correct, but the need to keep the old behaviour
 193             // has priority here.
 194             return getStandard3DRange();
 195         }
 196
 197         // provide unique ID
 198         ImplPrimitive3DIDBlock(SdrCubePrimitive3D, PRIMITIVE3D_ID_SDRCUBEPRIMITIVE3D)
 199
 200     } // end of namespace primitive3d
 201 } // end of namespace drawinglayer
 202
 203 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */