xref: /AOO41X/main/svx/source/sdr/contact/viewcontactofe3dsphere.cxx (revision f6e50924346d0b8c0b07c91832a97665dd718b0c)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
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5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
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8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 
27 #include <svx/sdr/contact/viewcontactofe3dsphere.hxx>
28 #include <svx/sphere3d.hxx>
29 #include <drawinglayer/primitive3d/sdrsphereprimitive3d.hxx>
30 #include <svx/sdr/primitive2d/sdrattributecreator.hxx>
31 #include <svx/sdr/primitive3d/sdrattributecreator3d.hxx>
32 
33 //////////////////////////////////////////////////////////////////////////////
34 
35 namespace sdr
36 {
37     namespace contact
38     {
ViewContactOfE3dSphere(E3dSphereObj & rSphere)39         ViewContactOfE3dSphere::ViewContactOfE3dSphere(E3dSphereObj& rSphere)
40         :   ViewContactOfE3d(rSphere)
41         {
42         }
43 
~ViewContactOfE3dSphere()44         ViewContactOfE3dSphere::~ViewContactOfE3dSphere()
45         {
46         }
47 
createViewIndependentPrimitive3DSequence() const48         drawinglayer::primitive3d::Primitive3DSequence ViewContactOfE3dSphere::createViewIndependentPrimitive3DSequence() const
49         {
50             drawinglayer::primitive3d::Primitive3DSequence xRetval;
51             const SfxItemSet& rItemSet = GetE3dSphereObj().GetMergedItemSet();
52             const drawinglayer::attribute::SdrLineFillShadowAttribute3D aAttribute(
53                 drawinglayer::primitive2d::createNewSdrLineFillShadowAttribute(rItemSet, false));
54 
55             // get sphere center and size for geometry
56             basegfx::B3DRange aSphereRange;
57             const basegfx::B3DPoint aSpherePosition(GetE3dSphereObj().Center());
58             const basegfx::B3DVector aSphereSize(GetE3dSphereObj().Size());
59             basegfx::B3DHomMatrix aWorldTransform;
60 
61             aWorldTransform.translate(-0.5, -0.5, -0.5);
62             aWorldTransform.scale(aSphereSize.getX(), aSphereSize.getY(), aSphereSize.getZ());
63             aWorldTransform.translate(aSpherePosition.getX(), aSpherePosition.getY(), aSpherePosition.getZ());
64 
65             // get 3D Object Attributes
66             drawinglayer::attribute::Sdr3DObjectAttribute* pSdr3DObjectAttribute = drawinglayer::primitive2d::createNewSdr3DObjectAttribute(rItemSet);
67 
68             // get segment count
69             const sal_uInt32 nHorizontalSegments(GetE3dSphereObj().GetHorizontalSegments());
70             const sal_uInt32 nVerticalSegments(GetE3dSphereObj().GetVerticalSegments());
71 
72             // calculate texture size, use radii for (2 * PI * r) to get a perfect
73             // mapping on the sphere
74             const basegfx::B2DVector aTextureSize(
75                 F_PI * ((aSphereSize.getX() + aSphereSize.getZ()) / 2.0), // PI * d
76                 F_PI2 * aSphereSize.getY()); // half outline, (PI * d)/2 -> PI/2 * d
77 
78             // create primitive and add
79             const drawinglayer::primitive3d::Primitive3DReference xReference(
80                 new drawinglayer::primitive3d::SdrSpherePrimitive3D(
81                     aWorldTransform, aTextureSize, aAttribute, *pSdr3DObjectAttribute,
82                     nHorizontalSegments, nVerticalSegments));
83             xRetval = drawinglayer::primitive3d::Primitive3DSequence(&xReference, 1);
84 
85             // delete 3D Object Attributes
86             delete pSdr3DObjectAttribute;
87 
88             return xRetval;
89         }
90     } // end of namespace contact
91 } // end of namespace sdr
92 
93 //////////////////////////////////////////////////////////////////////////////
94 // eof
95