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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 _SDRPAINTWINDOW_HXX
21 : #define _SDRPAINTWINDOW_HXX
22 :
23 : #include <rtl/ref.hxx>
24 : #include <vcl/virdev.hxx>
25 : #include "svx/svxdllapi.h"
26 :
27 : ////////////////////////////////////////////////////////////////////////////////////////////////////
28 : // predeclarations
29 : class SdrPaintView;
30 :
31 : namespace sdr
32 : {
33 : namespace overlay
34 : {
35 : class OverlayManager;
36 : } // end of namespace overlay
37 : } // end of namespace sdr
38 :
39 : #ifdef _MSC_VER // broken msvc template instantiation
40 : #include <svx/sdr/overlay/overlaymanager.hxx>
41 : #endif
42 : ////////////////////////////////////////////////////////////////////////////////////////////////////
43 :
44 : class SdrPreRenderDevice
45 : {
46 : // The original OutputDevice
47 : OutputDevice& mrOutputDevice;
48 :
49 : // The VirtualDevice for PreRendering
50 : VirtualDevice maPreRenderDevice;
51 :
52 : public:
53 : explicit SdrPreRenderDevice(OutputDevice& rOriginal);
54 : ~SdrPreRenderDevice();
55 :
56 : void PreparePreRenderDevice();
57 : void OutputPreRenderDevice(const Region& rExpandedRegion);
58 :
59 : OutputDevice& GetOriginalOutputDevice() const { return mrOutputDevice; }
60 262 : OutputDevice& GetPreRenderDevice() { return maPreRenderDevice; }
61 : };
62 :
63 : ////////////////////////////////////////////////////////////////////////////////////////////////////
64 :
65 : class SVX_DLLPUBLIC SdrPaintWindow
66 : {
67 : private:
68 : // the OutputDevice this window represents
69 : OutputDevice& mrOutputDevice;
70 :
71 : // the SdrPaintView this window belongs to
72 : SdrPaintView& mrPaintView;
73 :
74 : // the new OverlayManager for the new OverlayObjects. Test add here, will
75 : // replace the IAOManager as soon as it works.
76 : rtl::Reference< ::sdr::overlay::OverlayManager > mxOverlayManager;
77 :
78 : // The PreRenderDevice for PreRendering
79 : SdrPreRenderDevice* mpPreRenderDevice;
80 :
81 : // The RedrawRegion used for rendering
82 : Region maRedrawRegion;
83 :
84 : // bitfield
85 : // #i72889# flag if this is only a temporary target for repaint, default is false
86 : unsigned mbTemporaryTarget : 1;
87 :
88 : /** Remember whether the mxOverlayManager supports buffering. Using
89 : this flags expensive dynamic_casts on mxOverlayManager in order to
90 : detect this.
91 : */
92 : bool mbUseBuffer;
93 :
94 : // helpers
95 : /** Create mxOverlayManager member on demand.
96 : @param bUseBuffer
97 : Specifies whether to use the buffered (OverlayManagerBuffered)
98 : or the unbuffered (OverlayManager) version of the overlay
99 : manager. When this values is different from that of the
100 : previous call then the overlay manager is replaced by the
101 : specified one.
102 :
103 : The bUseBuffer flag will typically change its value when text
104 : editing is started or stopped.
105 : */
106 : void impCreateOverlayManager(const bool bUseBuffer);
107 :
108 : public:
109 : SdrPaintWindow(SdrPaintView& rNewPaintView, OutputDevice& rOut);
110 : ~SdrPaintWindow();
111 :
112 : // data read accesses
113 : SdrPaintView& GetPaintView() const { return mrPaintView; }
114 0 : OutputDevice& GetOutputDevice() const { return mrOutputDevice; }
115 :
116 : // OVERLAYMANAGER
117 : rtl::Reference< ::sdr::overlay::OverlayManager > GetOverlayManager() const;
118 :
119 : // #i73602# add flag if buffer shall be used
120 : void DrawOverlay(const Region& rRegion, bool bUseBuffer);
121 :
122 : // calculate visible area and return
123 : Rectangle GetVisibleArea() const;
124 :
125 : // Is OutDev a printer?
126 : sal_Bool OutputToPrinter() const { return (OUTDEV_PRINTER == mrOutputDevice.GetOutDevType()); }
127 :
128 : // Is OutDev a window?
129 0 : sal_Bool OutputToWindow() const { return (OUTDEV_WINDOW == mrOutputDevice.GetOutDevType()); }
130 :
131 : // Is OutDev a VirtualDevice?
132 : sal_Bool OutputToVirtualDevice() const { return (OUTDEV_VIRDEV == mrOutputDevice.GetOutDevType()); }
133 :
134 : // Is OutDev a recording MetaFile?
135 : sal_Bool OutputToRecordingMetaFile() const;
136 :
137 : // prepare PreRendering (evtl.)
138 : void PreparePreRenderDevice();
139 : void DestroyPreRenderDevice();
140 : void OutputPreRenderDevice(const Region& rExpandedRegion);
141 528 : SdrPreRenderDevice* GetPreRenderDevice() const { return mpPreRenderDevice; }
142 :
143 : // RedrawRegion
144 : const Region& GetRedrawRegion() const;
145 : void SetRedrawRegion(const Region& rNew);
146 :
147 : // #i72889# read/write access to TempoparyTarget
148 : bool getTemporaryTarget() const { return (bool)mbTemporaryTarget; }
149 : void setTemporaryTarget(bool bNew) { if(bNew != (bool)mbTemporaryTarget) mbTemporaryTarget = bNew; }
150 :
151 : // #i72889# get target output device, take into account output buffering
152 262 : OutputDevice& GetTargetOutputDevice() { if(mpPreRenderDevice) return mpPreRenderDevice->GetPreRenderDevice(); else return mrOutputDevice; }
153 : };
154 :
155 : // typedefs for a list of SdrPaintWindows
156 : typedef ::std::vector< SdrPaintWindow* > SdrPaintWindowVector;
157 :
158 : ////////////////////////////////////////////////////////////////////////////////////////////////////
159 :
160 : #endif //_SDRPAINTWINDOW_HXX
161 :
162 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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