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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_OBJECTCONTACT_HXX
21 : #define INCLUDED_SVX_SDR_CONTACT_OBJECTCONTACT_HXX
22 :
23 : #include <svx/sdr/animation/objectanimator.hxx>
24 : #include <svx/svxdllapi.h>
25 : #include <drawinglayer/geometry/viewinformation2d.hxx>
26 :
27 :
28 : // predeclarations
29 :
30 : class SetOfByte;
31 : class Rectangle;
32 : class SdrPageView;
33 : class OutputDevice;
34 :
35 : namespace sdr { namespace contact {
36 : class DisplayInfo;
37 : class ViewContact;
38 : class ViewObjectContactRedirector;
39 : }}
40 :
41 : namespace sdr { namespace event {
42 : class TimerEventHandler;
43 : }}
44 :
45 : namespace basegfx {
46 : class B2DRange;
47 : class B2DHomMatrix;
48 : }
49 :
50 :
51 :
52 : namespace sdr
53 : {
54 : namespace contact
55 : {
56 : class SVX_DLLPUBLIC ObjectContact
57 : {
58 : private:
59 : // make ViewObjectContact a friend to exclusively allow it to use
60 : // AddViewObjectContact/RemoveViewObjectContact
61 : friend class ViewObjectContact;
62 :
63 : // All VOCs which are created using this OC, thus remembering this OC
64 : // as a reference. All those VOCs need to be deleted when the OC goes down.
65 : // Registering and de-registering is done in the VOC constructors/destructors.
66 : std::vector< ViewObjectContact* > maViewObjectContactVector;
67 :
68 : // A new ViewObjectContact was created and shall be remembered.
69 : void AddViewObjectContact(ViewObjectContact& rVOContact);
70 :
71 : // A ViewObjectContact was deleted and shall be forgotten.
72 : virtual void RemoveViewObjectContact(ViewObjectContact& rVOContact);
73 :
74 : // the primitiveAnimator which is used if this View and/or the contained primitives
75 : // support animatedSwitchPrimitives
76 : sdr::animation::primitiveAnimator maPrimitiveAnimator;
77 :
78 : // the EventHandler for e.g. asynchronious loading of graphics
79 : sdr::event::TimerEventHandler* mpEventHandler;
80 :
81 : // The redirector. If set it is used to pipe all supported calls
82 : // to the redirector
83 : ViewObjectContactRedirector* mpViewObjectContactRedirector;
84 :
85 : // the Primitive2DParameters containing view information
86 : drawinglayer::geometry::ViewInformation2D maViewInformation2D;
87 :
88 : // bitfield
89 : // flag for preview renderer
90 : bool mbIsPreviewRenderer : 1;
91 :
92 : // method to create a EventHandler. Needs to give a result.
93 : sdr::event::TimerEventHandler* CreateEventHandler();
94 :
95 : protected:
96 : // Interface to allow derivates to travel over the registered VOC's
97 0 : sal_uInt32 getViewObjectContactCount() const { return maViewObjectContactVector.size(); }
98 0 : ViewObjectContact* getViewObjectContact(sal_uInt32 a) const { return maViewObjectContactVector[a]; }
99 :
100 : // interface to allow derivates to set PreviewRenderer flag
101 0 : void setPreviewRenderer(bool bNew) { mbIsPreviewRenderer = bNew; }
102 :
103 : // interface to allow derivates to set ViewInformation2D
104 0 : void updateViewInformation2D(const drawinglayer::geometry::ViewInformation2D& rViewInformation2D) { maViewInformation2D = rViewInformation2D; }
105 :
106 : public:
107 : // basic constructor
108 : ObjectContact();
109 : virtual ~ObjectContact();
110 :
111 : // LazyInvalidate request. This is used from the VOCs to mark that they
112 : // got invalidated by an ActionCanged() call. An active view needs to remember
113 : // this and take action on it. Default implementation directly calls back
114 : // triggerLazyInvalidate() which promptly handles the request
115 : virtual void setLazyInvalidate(ViewObjectContact& rVOC);
116 :
117 : // call this to support evtl. preparations for repaint. Default does nothing
118 : virtual void PrepareProcessDisplay();
119 :
120 : // Process the whole displaying
121 : virtual void ProcessDisplay(DisplayInfo& rDisplayInfo);
122 :
123 : // test if visualizing of entered groups is switched on at all. Default
124 : // implementation returns sal_False.
125 : virtual bool DoVisualizeEnteredGroup() const;
126 :
127 : // get active group's (the entered group) ViewContact
128 : virtual const ViewContact* getActiveViewContact() const;
129 :
130 : // Invalidate given rectangle at the window/output which is represented by
131 : // this ObjectContact. Default does nothing.
132 : virtual void InvalidatePartOfView(const basegfx::B2DRange& rRange) const;
133 :
134 : // Get info if given Rectangle is visible in this view
135 : virtual bool IsAreaVisible(const basegfx::B2DRange& rRange) const;
136 :
137 : // Get info about the need to visualize GluePoints. The default
138 : // is that it is not necessary.
139 : virtual bool AreGluePointsVisible() const;
140 :
141 : // method to get the primitiveAnimator
142 : sdr::animation::primitiveAnimator& getPrimitiveAnimator();
143 :
144 : // method to get the EventHandler. It will
145 : // return a existing one or create a new one using CreateEventHandler().
146 : sdr::event::TimerEventHandler& GetEventHandler() const;
147 :
148 : // delete the EventHandler
149 : void DeleteEventHandler();
150 :
151 : // test if there is an EventHandler without creating one on demand
152 : bool HasEventHandler() const;
153 :
154 : // check if text animation is allowed. Default is sal_true.
155 : virtual bool IsTextAnimationAllowed() const;
156 :
157 : // check if graphic animation is allowed. Default is sal_true.
158 : virtual bool IsGraphicAnimationAllowed() const;
159 :
160 : // check if asynchronious graphis loading is allowed. Default is sal_False.
161 : virtual bool IsAsynchronGraphicsLoadingAllowed() const;
162 :
163 : // access to ViewObjectContactRedirector
164 : ViewObjectContactRedirector* GetViewObjectContactRedirector() const;
165 : void SetViewObjectContactRedirector(ViewObjectContactRedirector* pNew);
166 :
167 : // check if buffering of MasterPages is allowed. Default is sal_False.
168 : virtual bool IsMasterPageBufferingAllowed() const;
169 :
170 : // print? Default is false
171 : virtual bool isOutputToPrinter() const;
172 :
173 : // window? Default is true
174 : virtual bool isOutputToWindow() const;
175 :
176 : // VirtualDevice? Default is false
177 : virtual bool isOutputToVirtualDevice() const;
178 :
179 : // recording MetaFile? Default is false
180 : virtual bool isOutputToRecordingMetaFile() const;
181 :
182 : // pdf export? Default is false
183 : virtual bool isOutputToPDFFile() const;
184 :
185 : // gray display mode
186 : virtual bool isDrawModeGray() const;
187 :
188 : // gray display mode
189 : virtual bool isDrawModeBlackWhite() const;
190 :
191 : // high contrast display mode
192 : virtual bool isDrawModeHighContrast() const;
193 :
194 : // check if this is a preview renderer. Default is sal_False.
195 0 : bool IsPreviewRenderer() const { return mbIsPreviewRenderer; }
196 :
197 : // get Primitive2DParameters for this view
198 0 : const drawinglayer::geometry::ViewInformation2D& getViewInformation2D() const { return maViewInformation2D; }
199 :
200 : // access to SdrPageView. May return 0L like the default implementations do. Needs to be overloaded as needed.
201 : virtual SdrPageView* TryToGetSdrPageView() const;
202 :
203 : // access to OutputDevice. May return 0L like the default implementations do. Needs to be overloaded as needed.
204 : virtual OutputDevice* TryToGetOutputDevice() const;
205 :
206 : // reset ViewPort at internal ViewInformation2D. This is needed when the OC is used
207 : // not for ProcessDisplay() but to get a VOC associated with it. When trying to get
208 : // a sequence of primitives from the VOC then, the last initialized ViewPort from
209 : // the last ProcessDisplay() is used for geometric visibility testing. If this is not
210 : // wanted (like in such cases) this method is used. It will reuse the current
211 : // ViewInformation2D, but clear the ViewPort (no ViewPort means all is visible)
212 : void resetViewPort();
213 : };
214 : } // end of namespace contact
215 : } // end of namespace sdr
216 :
217 :
218 :
219 : #endif // INCLUDED_SVX_SDR_CONTACT_OBJECTCONTACT_HXX
220 :
221 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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