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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 : #ifndef INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACT_HXX
21 : #define INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACT_HXX
22 :
23 : #include <sal/types.h>
24 :
25 : #include <vector>
26 : #include <svx/svxdllapi.h>
27 : #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
28 :
29 : namespace vcl { class Region; }
30 :
31 : namespace sdr { namespace animation {
32 : class PrimitiveAnimation;
33 : }}
34 :
35 : namespace sdr { namespace contact {
36 :
37 : class DisplayInfo;
38 : class ObjectContact;
39 : class ViewContact;
40 : class ViewObjectContactRedirector;
41 :
42 : class SVX_DLLPUBLIC ViewObjectContact
43 : {
44 : private:
45 : // must-exist and constant contacts
46 : ObjectContact& mrObjectContact;
47 : ViewContact& mrViewContact;
48 :
49 : // This range defines the object's BoundRect
50 : basegfx::B2DRange maObjectRange;
51 :
52 : // PrimitiveSequence of the ViewContact. This contains all necessary information
53 : // for the graphical visualisation and needs to be supported by all VCs which
54 : // can be visualized.
55 : drawinglayer::primitive2d::Primitive2DSequence mxPrimitive2DSequence;
56 :
57 : // the PrimitiveAnimation if Primitive2DSequence contains animations
58 : sdr::animation::PrimitiveAnimation* mpPrimitiveAnimation;
59 :
60 : // bitfield
61 : // This bool gets set when the object gets invalidated by ActionChanged() and
62 : // can be used from the OC to late-invalidates
63 : bool mbLazyInvalidate : 1;
64 :
65 : protected:
66 : // make redirector a protected friend, it needs to call createPrimitives as default action
67 : friend class ViewObjectContactRedirector;
68 :
69 : // Called from getPrimitive2DSequence() when vector has changed. Evaluate object animation
70 : // and setup accordingly
71 : void checkForPrimitive2DAnimations();
72 :
73 : // This method is responsible for creating the graphical visualisation data which is
74 : // stored/cached in the local primitive. Default gets view-independent Primitive
75 : // from the ViewContact using ViewContact::getViewIndependentPrimitive2DSequence(), takes care of
76 : // visibility, handles glue and ghosted.
77 : // This method will not handle included hierarchies and not check geometric visibility.
78 : virtual drawinglayer::primitive2d::Primitive2DSequence createPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const;
79 :
80 : // method for flushing Primitive2DSequence for VOC implementations
81 5139 : void flushPrimitive2DSequence() { mxPrimitive2DSequence.realloc(0); }
82 :
83 : public:
84 : // basic constructor.
85 : ViewObjectContact(ObjectContact& rObjectContact, ViewContact& rViewContact);
86 : virtual ~ViewObjectContact();
87 :
88 : // access to ObjectContact
89 2201140 : ObjectContact& GetObjectContact() const { return mrObjectContact; }
90 :
91 : // access to ViewContact
92 1257048 : ViewContact& GetViewContact() const { return mrViewContact; }
93 :
94 : // get the oebject's size range
95 : const basegfx::B2DRange& getObjectRange() const;
96 :
97 : // A ViewObjectContact was deleted and shall be forgotten.
98 : void RemoveViewObjectContact(ViewObjectContact& rVOContact);
99 :
100 : // React on changes of the object of this ViewContact
101 : virtual void ActionChanged();
102 :
103 : // LazyInvalidate handling
104 : void triggerLazyInvalidate();
105 :
106 : // Check if this primitive is animated in any OC (View) which means it has
107 : // generated a PrimitiveAnimation
108 0 : bool isAnimated() const { return (0 != mpPrimitiveAnimation); }
109 :
110 : // Take some action when new objects are inserted
111 : void ActionChildInserted(ViewContact& rChild);
112 :
113 : // access to the local primitive. This will ensure that the local primitive is
114 : // current in comparing the local one with a fresh created incarnation
115 : // This method will not handle included hierarchies and not check visibility.
116 : drawinglayer::primitive2d::Primitive2DSequence getPrimitive2DSequence(const DisplayInfo& rDisplayInfo) const;
117 :
118 : // test this VOC for visibility concerning model-view stuff like e.g. Layer
119 : virtual bool isPrimitiveVisible(const DisplayInfo& rDisplayInfo) const;
120 :
121 : // test this VOC for ghosted mode
122 : virtual bool isPrimitiveGhosted(const DisplayInfo& rDisplayInfo) const;
123 :
124 : // process this primitive: Eventually also recursively travel an existing hierarchy,
125 : // e.g. for group objects, scenes or pages. This method will test geometrical visibility.
126 : virtual drawinglayer::primitive2d::Primitive2DSequence getPrimitive2DSequenceHierarchy(DisplayInfo& rDisplayInfo) const;
127 :
128 : // just process the sub-hierarchy, used as tooling from getPrimitive2DSequenceHierarchy
129 : drawinglayer::primitive2d::Primitive2DSequence getPrimitive2DSequenceSubHierarchy(DisplayInfo& rDisplayInfo) const;
130 : };
131 :
132 : }}
133 :
134 :
135 :
136 : #endif // INCLUDED_SVX_SDR_CONTACT_VIEWOBJECTCONTACT_HXX
137 :
138 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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