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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/primitive2d/embedded3dprimitive2d.hxx>
21 : : #include <basegfx/polygon/b2dpolygon.hxx>
22 : : #include <basegfx/polygon/b2dpolygontools.hxx>
23 : : #include <basegfx/color/bcolor.hxx>
24 : : #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
25 : : #include <basegfx/tools/canvastools.hxx>
26 : : #include <drawinglayer/geometry/viewinformation2d.hxx>
27 : : #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
28 : : #include <drawinglayer/geometry/viewinformation3d.hxx>
29 : : #include <drawinglayer/processor3d/shadow3dextractor.hxx>
30 : :
31 : : //////////////////////////////////////////////////////////////////////////////
32 : :
33 : : using namespace com::sun::star;
34 : :
35 : : //////////////////////////////////////////////////////////////////////////////
36 : :
37 : : namespace drawinglayer
38 : : {
39 : : namespace primitive2d
40 : : {
41 : 0 : bool Embedded3DPrimitive2D::impGetShadow3D(const geometry::ViewInformation2D& /*rViewInformation*/) const
42 : : {
43 [ # # ]: 0 : osl::MutexGuard aGuard( m_aMutex );
44 : :
45 : : // create on demand
46 [ # # ][ # # ]: 0 : if(!mbShadow3DChecked && getChildren3D().hasElements())
[ # # ]
47 : : {
48 : : // create shadow extraction processor
49 : : processor3d::Shadow3DExtractingProcessor aShadowProcessor(
50 : 0 : getViewInformation3D(),
51 : 0 : getObjectTransformation(),
52 : 0 : getLightNormal(),
53 : : getShadowSlant(),
54 [ # # ]: 0 : getScene3DRange());
55 : :
56 : : // process local primitives
57 [ # # ]: 0 : aShadowProcessor.process(getChildren3D());
58 : :
59 : : // fetch result and set checked flag
60 [ # # ][ # # ]: 0 : const_cast< Embedded3DPrimitive2D* >(this)->maShadowPrimitives = aShadowProcessor.getPrimitive2DSequence();
[ # # ]
61 [ # # ]: 0 : const_cast< Embedded3DPrimitive2D* >(this)->mbShadow3DChecked = true;
62 : : }
63 : :
64 : : // return if there are shadow primitives
65 [ # # ]: 0 : return maShadowPrimitives.hasElements();
66 : : }
67 : :
68 : 0 : Primitive2DSequence Embedded3DPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
69 : : {
70 : : // use info to create a yellow 2d rectangle, similar to empty 3d scenes and/or groups
71 [ # # ]: 0 : const basegfx::B2DRange aLocal2DRange(getB2DRange(rViewInformation));
72 [ # # ]: 0 : const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(aLocal2DRange));
73 : 0 : const basegfx::BColor aYellow(1.0, 1.0, 0.0);
74 [ # # ][ # # ]: 0 : const Primitive2DReference xRef(new PolygonHairlinePrimitive2D(aOutline, aYellow));
[ # # ]
75 : :
76 [ # # ][ # # ]: 0 : return Primitive2DSequence(&xRef, 1L);
77 : : }
78 : :
79 : 0 : Embedded3DPrimitive2D::Embedded3DPrimitive2D(
80 : : const primitive3d::Primitive3DSequence& rxChildren3D,
81 : : const basegfx::B2DHomMatrix& rObjectTransformation,
82 : : const geometry::ViewInformation3D& rViewInformation3D,
83 : : const basegfx::B3DVector& rLightNormal,
84 : : double fShadowSlant,
85 : : const basegfx::B3DRange& rScene3DRange)
86 : : : BufferedDecompositionPrimitive2D(),
87 : : mxChildren3D(rxChildren3D),
88 : : maObjectTransformation(rObjectTransformation),
89 : : maViewInformation3D(rViewInformation3D),
90 : : maLightNormal(rLightNormal),
91 : : mfShadowSlant(fShadowSlant),
92 : : maScene3DRange(rScene3DRange),
93 : : maShadowPrimitives(),
94 : : maB2DRange(),
95 [ # # ][ # # ]: 0 : mbShadow3DChecked(false)
[ # # ][ # # ]
[ # # ]
96 : : {
97 [ # # ]: 0 : maLightNormal.normalize();
98 : 0 : }
99 : :
100 : 0 : bool Embedded3DPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
101 : : {
102 [ # # ]: 0 : if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
103 : : {
104 : 0 : const Embedded3DPrimitive2D& rCompare = static_cast< const Embedded3DPrimitive2D& >(rPrimitive);
105 : :
106 : 0 : return (primitive3d::arePrimitive3DSequencesEqual(getChildren3D(), rCompare.getChildren3D())
107 : 0 : && getObjectTransformation() == rCompare.getObjectTransformation()
108 : 0 : && getViewInformation3D() == rCompare.getViewInformation3D()
109 : 0 : && getLightNormal() == rCompare.getLightNormal()
110 : 0 : && getShadowSlant() == rCompare.getShadowSlant()
111 [ # # ][ # # : 0 : && getScene3DRange() == rCompare.getScene3DRange());
# # # # #
# # # ]
112 : : }
113 : :
114 : 0 : return false;
115 : : }
116 : :
117 : 0 : basegfx::B2DRange Embedded3DPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
118 : : {
119 [ # # ]: 0 : if(maB2DRange.isEmpty())
120 : : {
121 : : // use the 3d transformation stack to create a projection of the 3D range
122 [ # # ]: 0 : basegfx::B3DRange a3DRange(primitive3d::getB3DRangeFromPrimitive3DSequence(getChildren3D(), getViewInformation3D()));
123 [ # # ][ # # ]: 0 : a3DRange.transform(getViewInformation3D().getObjectToView());
124 : :
125 : : // create 2d range from projected 3d and transform with scene's object transformation
126 [ # # ]: 0 : basegfx::B2DRange aNewRange;
127 [ # # ][ # # ]: 0 : aNewRange.expand(basegfx::B2DPoint(a3DRange.getMinX(), a3DRange.getMinY()));
[ # # ]
128 [ # # ][ # # ]: 0 : aNewRange.expand(basegfx::B2DPoint(a3DRange.getMaxX(), a3DRange.getMaxY()));
[ # # ]
129 [ # # ]: 0 : aNewRange.transform(getObjectTransformation());
130 : :
131 : : // cehck for 3D shadows and their 2D projections. If those exist, they need to be
132 : : // taken into account
133 [ # # ][ # # ]: 0 : if(impGetShadow3D(rViewInformation))
134 : : {
135 [ # # ]: 0 : const basegfx::B2DRange aShadow2DRange(getB2DRangeFromPrimitive2DSequence(maShadowPrimitives, rViewInformation));
136 : :
137 [ # # ][ # # ]: 0 : if(!aShadow2DRange.isEmpty())
138 : : {
139 [ # # ]: 0 : aNewRange.expand(aShadow2DRange);
140 : : }
141 : : }
142 : :
143 : : // assign to buffered value
144 : 0 : const_cast< Embedded3DPrimitive2D* >(this)->maB2DRange = aNewRange;
145 : : }
146 : :
147 : 0 : return maB2DRange;
148 : : }
149 : :
150 : : // provide unique ID
151 : 0 : ImplPrimitrive2DIDBlock(Embedded3DPrimitive2D, PRIMITIVE2D_ID_EMBEDDED3DPRIMITIVE2D)
152 : :
153 : : } // end of namespace primitive2d
154 : : } // end of namespace drawinglayer
155 : :
156 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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