1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_svx.hxx"
30 #include <svx/sdr/contact/viewcontactofvirtobj.hxx>
31 #include <svx/svdovirt.hxx>
32 #include <svx/sdr/contact/displayinfo.hxx>
33 #include <basegfx/matrix/b2dhommatrix.hxx>
34 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
35 #include <vcl/outdev.hxx>
36 #include <drawinglayer/primitive2d/sdrdecompositiontools2d.hxx>
37 
38 //////////////////////////////////////////////////////////////////////////////
39 
40 namespace sdr
41 {
42 	namespace contact
43 	{
44         SdrVirtObj& ViewContactOfVirtObj::GetVirtObj() const
45 		{
46 			return (SdrVirtObj&)mrObject;
47 		}
48 
49         ViewContactOfVirtObj::ViewContactOfVirtObj(SdrVirtObj& rObj)
50 		:	ViewContactOfSdrObj(rObj)
51 		{
52 		}
53 
54 		ViewContactOfVirtObj::~ViewContactOfVirtObj()
55 		{
56 		}
57 
58         // Access to possible sub-hierarchy
59 		sal_uInt32 ViewContactOfVirtObj::GetObjectCount() const
60 		{
61             // Here, SdrVirtObj's need to return 0L to show that they have no
62             // sub-hierarchy, even when they are group objects. This is necessary
63             // to avoid that the same VOCs will be added to the draw hierarchy
64             // twice which leads to problems.
65 			//
66             // This solution is only a first solution to get things running. Later
67             // this needs to be replaced with creating real VOCs for the objects
68             // referenced by virtual objects to avoid the 'trick' of setting the
69             // offset for painting at the destination OutputDevive.
70 			//
71 			// As can be seen, with primitives, the problem will be solved using
72 			// a transformPrimitive, so this solution can stay with primitives.
73             return 0L;
74 		}
75 
76 		drawinglayer::primitive2d::Primitive2DSequence ViewContactOfVirtObj::createViewIndependentPrimitive2DSequence() const
77 		{
78 			// create displacement transformation if we have content
79 			basegfx::B2DHomMatrix aObjectMatrix;
80 			Point aAnchor(GetVirtObj().GetAnchorPos());
81 
82 			if(aAnchor.X() || aAnchor.Y())
83 			{
84 				aObjectMatrix.set(0, 2, aAnchor.X());
85 				aObjectMatrix.set(1, 2, aAnchor.Y());
86 			}
87 
88 			// use method from referenced object to get the Primitive2DSequence
89 			const drawinglayer::primitive2d::Primitive2DSequence xSequenceVirtual(
90 				GetVirtObj().GetReferencedObj().GetViewContact().getViewIndependentPrimitive2DSequence());
91 
92 			if(xSequenceVirtual.hasElements())
93 			{
94 				// create transform primitive
95 				const drawinglayer::primitive2d::Primitive2DReference xReference(
96 					new drawinglayer::primitive2d::TransformPrimitive2D(
97 						aObjectMatrix,
98 						xSequenceVirtual));
99 
100 				return drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
101 			}
102 			else
103 			{
104 				// always append an invisible outline for the cases where no visible content exists
105 				const drawinglayer::primitive2d::Primitive2DReference xReference(
106 					drawinglayer::primitive2d::createHiddenGeometryPrimitives2D(
107 						false, aObjectMatrix));
108 
109 				return drawinglayer::primitive2d::Primitive2DSequence(&xReference, 1);
110 			}
111 		}
112 	} // end of namespace contact
113 } // end of namespace sdr
114 
115 //////////////////////////////////////////////////////////////////////////////
116 // eof
117