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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/sdrsphereprimitive3d.hxx>
21 : : #include <basegfx/polygon/b3dpolypolygontools.hxx>
22 : : #include <basegfx/matrix/b2dhommatrix.hxx>
23 : : #include <basegfx/polygon/b3dpolygon.hxx>
24 : : #include <drawinglayer/primitive3d/sdrdecompositiontools3d.hxx>
25 : : #include <basegfx/tools/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 : :
33 : : using namespace com::sun::star;
34 : :
35 : : //////////////////////////////////////////////////////////////////////////////
36 : :
37 : : namespace drawinglayer
38 : : {
39 : : namespace primitive3d
40 : : {
41 : 0 : Primitive3DSequence SdrSpherePrimitive3D::create3DDecomposition(const geometry::ViewInformation3D& /*rViewInformation*/) const
42 : : {
43 [ # # ]: 0 : Primitive3DSequence aRetval;
44 [ # # ]: 0 : const basegfx::B3DRange aUnitRange(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
45 [ # # ][ # # ]: 0 : const bool bCreateNormals(::com::sun::star::drawing::NormalsKind_SPECIFIC == getSdr3DObjectAttribute().getNormalsKind()
[ # # ][ # # ]
[ # # ]
46 [ # # ][ # # ]: 0 : || ::com::sun::star::drawing::NormalsKind_SPHERE == getSdr3DObjectAttribute().getNormalsKind());
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
47 : :
48 : : // create unit geometry
49 : : basegfx::B3DPolyPolygon aFill(basegfx::tools::createSphereFillPolyPolygonFromB3DRange(aUnitRange,
50 [ # # ]: 0 : getHorizontalSegments(), getVerticalSegments(), bCreateNormals));
51 : :
52 : : // normal inversion
53 [ # # ][ # # ]: 0 : if(!getSdrLFSAttribute().getFill().isDefault()
[ # # ][ # # ]
[ # # ][ # # ]
54 : : && bCreateNormals
55 [ # # ][ # # ]: 0 : && getSdr3DObjectAttribute().getNormalsInvert()
[ # # ][ # # ]
[ # # ]
56 [ # # ]: 0 : && aFill.areNormalsUsed())
57 : : {
58 : : // invert normals
59 [ # # ][ # # ]: 0 : aFill = basegfx::tools::invertNormals(aFill);
[ # # ]
60 : : }
61 : :
62 : : // texture coordinates
63 [ # # ][ # # ]: 0 : if(!getSdrLFSAttribute().getFill().isDefault())
64 : : {
65 : : // handle texture coordinates X
66 [ # # ][ # # ]: 0 : const bool bParallelX(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionX());
[ # # ]
67 [ # # ][ # # ]: 0 : const bool bObjectSpecificX(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionX());
[ # # ]
68 [ # # ][ # # ]: 0 : const bool bSphereX(::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionX());
[ # # ]
69 : :
70 : : // handle texture coordinates Y
71 [ # # ][ # # ]: 0 : const bool bParallelY(::com::sun::star::drawing::TextureProjectionMode_PARALLEL == getSdr3DObjectAttribute().getTextureProjectionY());
[ # # ]
72 [ # # ][ # # ]: 0 : const bool bObjectSpecificY(::com::sun::star::drawing::TextureProjectionMode_OBJECTSPECIFIC == getSdr3DObjectAttribute().getTextureProjectionY());
[ # # ]
73 [ # # ][ # # ]: 0 : const bool bSphereY(::com::sun::star::drawing::TextureProjectionMode_SPHERE == getSdr3DObjectAttribute().getTextureProjectionY());
[ # # ]
74 : :
75 [ # # ][ # # ]: 0 : if(bParallelX || bParallelY)
76 : : {
77 : : // apply parallel texture coordinates in X and/or Y
78 [ # # ]: 0 : const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
79 [ # # ][ # # ]: 0 : aFill = basegfx::tools::applyDefaultTextureCoordinatesParallel(aFill, aRange, bParallelX, bParallelY);
[ # # ]
80 : : }
81 : :
82 [ # # ][ # # ]: 0 : if(bSphereX || bObjectSpecificX || bSphereY || bObjectSpecificY)
[ # # ][ # # ]
83 : : {
84 : 0 : double fRelativeAngle(0.0);
85 : :
86 [ # # ]: 0 : if(bObjectSpecificX)
87 : : {
88 : : // Since the texture coordinates are (for historical reasons)
89 : : // different from forced to sphere texture coordinates,
90 : : // create a old version from it by rotating to old state before applying
91 : : // the texture coordinates to emulate old behaviour
92 : 0 : fRelativeAngle = F_2PI * ((double)((getHorizontalSegments() >> 1L) - 1L) / (double)getHorizontalSegments());
93 [ # # ]: 0 : basegfx::B3DHomMatrix aRot;
94 [ # # ]: 0 : aRot.rotate(0.0, fRelativeAngle, 0.0);
95 [ # # ][ # # ]: 0 : aFill.transform(aRot);
96 : : }
97 : :
98 : : // apply spherical texture coordinates in X and/or Y
99 [ # # ]: 0 : const basegfx::B3DRange aRange(basegfx::tools::getRange(aFill));
100 [ # # ]: 0 : const basegfx::B3DPoint aCenter(aRange.getCenter());
101 : : aFill = basegfx::tools::applyDefaultTextureCoordinatesSphere(aFill, aCenter,
102 [ # # ][ # # ]: 0 : bSphereX || bObjectSpecificX, bSphereY || bObjectSpecificY);
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ]
103 : :
104 [ # # ]: 0 : if(bObjectSpecificX)
105 : : {
106 : : // rotate back again
107 [ # # ]: 0 : basegfx::B3DHomMatrix aRot;
108 [ # # ]: 0 : aRot.rotate(0.0, -fRelativeAngle, 0.0);
109 [ # # ][ # # ]: 0 : aFill.transform(aRot);
110 : 0 : }
111 : : }
112 : :
113 : : // transform texture coordinates to texture size
114 [ # # ]: 0 : basegfx::B2DHomMatrix aTexMatrix;
115 [ # # ]: 0 : aTexMatrix.scale(getTextureSize().getX(), getTextureSize().getY());
116 [ # # ][ # # ]: 0 : aFill.transformTextureCoordiantes(aTexMatrix);
117 : : }
118 : :
119 : : // build vector of PolyPolygons
120 [ # # ]: 0 : ::std::vector< basegfx::B3DPolyPolygon > a3DPolyPolygonVector;
121 : :
122 [ # # ][ # # ]: 0 : for(sal_uInt32 a(0L); a < aFill.count(); a++)
123 : : {
124 [ # # ][ # # ]: 0 : a3DPolyPolygonVector.push_back(basegfx::B3DPolyPolygon(aFill.getB3DPolygon(a)));
[ # # ][ # # ]
[ # # ]
125 : : }
126 : :
127 [ # # ][ # # ]: 0 : if(!getSdrLFSAttribute().getFill().isDefault())
128 : : {
129 : : // add fill
130 : : aRetval = create3DPolyPolygonFillPrimitives(
131 : : a3DPolyPolygonVector,
132 : 0 : getTransform(),
133 : 0 : getTextureSize(),
134 : : getSdr3DObjectAttribute(),
135 : 0 : getSdrLFSAttribute().getFill(),
136 [ # # # # ]: 0 : getSdrLFSAttribute().getFillFloatTransGradient());
[ # # ][ # # ]
[ # # ]
137 : : }
138 : : else
139 : : {
140 : : // create simplified 3d hit test geometry
141 : : aRetval = createHiddenGeometryPrimitives3D(
142 : : a3DPolyPolygonVector,
143 : 0 : getTransform(),
144 : 0 : getTextureSize(),
145 [ # # # # ]: 0 : getSdr3DObjectAttribute());
[ # # ][ # # ]
[ # # ]
146 : : }
147 : :
148 : : // add line
149 [ # # ][ # # ]: 0 : if(!getSdrLFSAttribute().getLine().isDefault())
150 : : {
151 [ # # ]: 0 : basegfx::B3DPolyPolygon aSphere(basegfx::tools::createSpherePolyPolygonFromB3DRange(aUnitRange, getHorizontalSegments(), getVerticalSegments()));
152 : : const Primitive3DSequence aLines(create3DPolyPolygonLinePrimitives(
153 [ # # ]: 0 : aSphere, getTransform(), getSdrLFSAttribute().getLine()));
154 [ # # ][ # # ]: 0 : appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aLines);
[ # # ]
155 : : }
156 : :
157 : : // add shadow
158 [ # # ]: 0 : if(!getSdrLFSAttribute().getShadow().isDefault()
[ # # # # ]
[ # # ]
159 : 0 : && aRetval.hasElements())
160 : : {
161 : : const Primitive3DSequence aShadow(createShadowPrimitive3D(
162 [ # # ][ # # ]: 0 : aRetval, getSdrLFSAttribute().getShadow(), getSdr3DObjectAttribute().getShadow3D()));
[ # # ][ # # ]
163 [ # # ][ # # ]: 0 : appendPrimitive3DSequenceToPrimitive3DSequence(aRetval, aShadow);
164 : : }
165 : :
166 [ # # ]: 0 : return aRetval;
167 : : }
168 : :
169 : 0 : SdrSpherePrimitive3D::SdrSpherePrimitive3D(
170 : : const basegfx::B3DHomMatrix& rTransform,
171 : : const basegfx::B2DVector& rTextureSize,
172 : : const attribute::SdrLineFillShadowAttribute3D& rSdrLFSAttribute,
173 : : const attribute::Sdr3DObjectAttribute& rSdr3DObjectAttribute,
174 : : sal_uInt32 nHorizontalSegments,
175 : : sal_uInt32 nVerticalSegments)
176 : : : SdrPrimitive3D(rTransform, rTextureSize, rSdrLFSAttribute, rSdr3DObjectAttribute),
177 : : mnHorizontalSegments(nHorizontalSegments),
178 : 0 : mnVerticalSegments(nVerticalSegments)
179 : : {
180 : 0 : }
181 : :
182 : 0 : bool SdrSpherePrimitive3D::operator==(const BasePrimitive3D& rPrimitive) const
183 : : {
184 [ # # ]: 0 : if(SdrPrimitive3D::operator==(rPrimitive))
185 : : {
186 : 0 : const SdrSpherePrimitive3D& rCompare = static_cast< const SdrSpherePrimitive3D& >(rPrimitive);
187 : :
188 : 0 : return (getHorizontalSegments() == rCompare.getHorizontalSegments()
189 [ # # ][ # # ]: 0 : && getVerticalSegments() == rCompare.getVerticalSegments());
190 : : }
191 : :
192 : 0 : return false;
193 : : }
194 : :
195 : 0 : basegfx::B3DRange SdrSpherePrimitive3D::getB3DRange(const geometry::ViewInformation3D& /*rViewInformation*/) const
196 : : {
197 : : // use defaut from sdrPrimitive3D which uses transformation expanded by line width/2
198 : : // The parent implementation which uses the ranges of the decomposition would be more
199 : : // corrcet, but for historical reasons it is necessary to do the old method: To get
200 : : // the range of the non-transformed geometry and transform it then. This leads to different
201 : : // ranges where the new method is more correct, but the need to keep the old behaviour
202 : : // has priority here.
203 : 0 : return getStandard3DRange();
204 : : }
205 : :
206 : : // provide unique ID
207 : 0 : ImplPrimitrive3DIDBlock(SdrSpherePrimitive3D, PRIMITIVE3D_ID_SDRSPHEREPRIMITIVE3D)
208 : :
209 : : } // end of namespace primitive3d
210 : : } // end of namespace drawinglayer
211 : :
212 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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