xref: /trunk/main/drawinglayer/source/primitive3d/sdrsphereprimitive3d.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_drawinglayer.hxx"
30 
31 #include <drawinglayer/primitive3d/sdrsphereprimitive3d.hxx>
32 #include <basegfx/polygon/b3dpolypolygontools.hxx>
33 #include <basegfx/matrix/b2dhommatrix.hxx>
34 #include <basegfx/polygon/b3dpolygon.hxx>
35 #include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
36 #include <basegfx/tools/canvastools.hxx>
37 #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx>
38 #include <drawinglayer/attribute/sdrfillattribute.hxx>
39 #include <drawinglayer/attribute/sdrlineattribute.hxx>
40 #include <drawinglayer/attribute/sdrshadowattribute.hxx>
41 
42 //////////////////////////////////////////////////////////////////////////////
43 
44 using namespace com::sun::star;
45 
46 //////////////////////////////////////////////////////////////////////////////
47 
48 namespace drawinglayer
49 {
50     namespace primitive3d
51     {
52         Primitive3DSequence SdrSpherePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
53         {
54             Primitive3DSequence aRetval;
55             const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
56             const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()
57                 || ::com::sun::star::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind());
58 
59             // create unit geometry
60             basegfx::B3DPolyPolygon aFill(basegfx::tools::createSphereFillPolyPolygonFromB3DRange(aUnitRange,
61                 getHorizontalSegments(), getVerticalSegments(), bCreateNormals));
62 
63             // normal inversion
64             if(!getSdrLFSAttribute().getFill().isDefault()
65                 && bCreateNormals
66                 && getSdr3DObjectAttribute().getNormalsInvert()
67                 && aFill.areNormalsUsed())
68             {
69                 // invert normals
70                 aFill = basegfx::tools::invertNormals(aFill);
71             }
72 
73             // texture coordinates
74             if(!getSdrLFSAttribute().getFill().isDefault())
75             {
76                 // handle texture coordinates X
77                 const bool bParallelX(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());
78                 const bool bObjectSpecificX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
79                 const bool bSphereX(::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX());
80 
81                 // handle texture coordinates Y
82                 const bool bParallelY(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());
83                 const bool bObjectSpecificY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
84                 const bool bSphereY(::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY());
85 
86                 if(bParallelX || bParallelY)
87                 {
88                     // apply parallel texture coordinates in X and/or Y
89                     const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
90                     aFill = basegfx::tools::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);
91                 }
92 
93                 if(bSphereX || bObjectSpecificX || bSphereY || bObjectSpecificY)
94                 {
95                     double fRelativeAngle(0.0);
96 
97                     if(bObjectSpecificX)
98                     {
99                         // Since the texture coordinates are (for historical reasons)
100                         // different from forced to sphere texture coordinates,
101                         // create a old version from it by rotating to old state before applying
102                         // the texture coordinates to emulate old behaviour
103                         fRelativeAngle = F_2PI * ((double)((getHorizontalSegments() >> 1L)  - 1L) / (double)getHorizontalSegments());
104                         basegfx::B3DHomMatrix aRot;
105                         aRot.rotate(0.0, fRelativeAngle, 0.0);
106                         aFill.transform(aRot);
107                     }
108 
109                     // apply spherical texture coordinates in X and/or Y
110                     const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
111                     const basegfx::B3DPoint aCenter(aRange.getCenter());
112                     aFill = basegfx::tools::applyDefaultTextureCoordinatesSphere(aFill, aCenter,
113                         bSphereX || bObjectSpecificX, bSphereY || bObjectSpecificY);
114 
115                     if(bObjectSpecificX)
116                     {
117                         // rotate back again
118                         basegfx::B3DHomMatrix aRot;
119                         aRot.rotate(0.0, -fRelativeAngle, 0.0);
120                         aFill.transform(aRot);
121                     }
122                 }
123 
124                 // transform texture coordinates to texture size
125                 basegfx::B2DHomMatrix aTexMatrix;
126                 aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY());
127                 aFill.transformTextureCoordiantes(aTexMatrix);
128             }
129 
130             // build vector of PolyPolygons
131             ::std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;
132 
133             for(sal_uInt32 a(0L); a < aFill.count(); a++)
134             {
135                 a3DPolyPolygonVector.push_back(basegfx::B3DPolyPolygon(aFill.getB3DPolygon(a)));
136             }
137 
138             if(!getSdrLFSAttribute().getFill().isDefault())
139             {
140                 // add fill
141                 aRetval = create3DPolyPolygonFillPrimitives(
142                     a3DPolyPolygonVector,
143                     getTransform(),
144                     getTextureSize(),
145                     getSdr3DObjectAttribute(),
146                     getSdrLFSAttribute().getFill(),
147                     getSdrLFSAttribute().getFillFloatTransGradient());
148             }
149             else
150             {
151                 // create simplified 3d hit test geometry
152                 aRetval = createHiddenGeometryPrimitives3D(
153                     a3DPolyPolygonVector,
154                     getTransform(),
155                     getTextureSize(),
156                     getSdr3DObjectAttribute());
157             }
158 
159             // add line
160             if(!getSdrLFSAttribute().getLine().isDefault())
161             {
162                 basegfx::B3DPolyPolygon aSphere(basegfx::tools::createSpherePolyPolygonFromB3DRange(aUnitRange, getHorizontalSegments(), getVerticalSegments()));
163                 const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
164                     aSphere, getTransform(), getSdrLFSAttribute().getLine()));
165                 appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
166             }
167 
168             // add shadow
169             if(!getSdrLFSAttribute().getShadow().isDefault()
170                 && aRetval.hasElements())
171             {
172                 const Primitive3DSequence aShadow(createShadowPrimitive3D(
173                     aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
174                 appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
175             }
176 
177             return aRetval;
178         }
179 
180         SdrSpherePrimitive3D::SdrSpherePrimitive3D(
181             const basegfx::B3DHomMatrix& rTransform,
182             const basegfx::B2DVector& rTextureSize,
183             const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
184             const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
185             sal_uInt32 nHorizontalSegments,
186             sal_uInt32 nVerticalSegments)
187         :   SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
188             mnHorizontalSegments(nHorizontalSegments),
189             mnVerticalSegments(nVerticalSegments)
190         {
191         }
192 
193         bool SdrSpherePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
194         {
195             if(SdrPrimitive3D::operator==(rPrimitive))
196             {
197                 const SdrSpherePrimitive3D& rCompare = static_cast< const SdrSpherePrimitive3D& >(rPrimitive);
198 
199                 return (getHorizontalSegments() == rCompare.getHorizontalSegments()
200                     && getVerticalSegments() == rCompare.getVerticalSegments());
201             }
202 
203             return false;
204         }
205 
206         basegfx::B3DRange SdrSpherePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
207         {
208             // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
209             // The parent implementation which uses the ranges of the decomposition would be more
210             // corrcet, but for historical reasons it is necessary to do the old method: To get
211             // the range of the non-transformed geometry and transform it then. This leads to different
212             // ranges where the new method is more correct, but the need to keep the old behaviour
213             // has priority here.
214             return getStandard3DRange();
215         }
216 
217         // provide unique ID
218         ImplPrimitrive3DIDBlock(SdrSpherePrimitive3D, PRIMITIVE3D_ID_SDRSPHEREPRIMITIVE3D)
219 
220     } // end of namespace primitive3d
221 } // end of namespace drawinglayer
222 
223 //////////////////////////////////////////////////////////////////////////////
224 // eof
225