blob: 0810927a965eac798c8100f0f539930755a66fa4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX
#define INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX
#include <svx/sdr/overlay/overlaymanager.hxx>
#include <basegfx/range/b2irange.hxx>
#include <vcl/virdev.hxx>
#include <vcl/idle.hxx>
namespace sdr
{
namespace overlay
{
class OverlayManagerBuffered final : public OverlayManager
{
// The VirtualDevice for draw window content buffering, this
// is the view content without overlay
ScopedVclPtr<VirtualDevice> mpBufferDevice;
// #i73602# The VirtualDevice for OverlayPaint buffering. This
// is an extra device to avoid flickering of overlay paints
ScopedVclPtr<VirtualDevice> mpOutputBufferDevice;
// Idle for buffering
Idle maBufferIdle;
// Range for buffering (in pixel to be independent from mapMode)
basegfx::B2IRange maBufferRememberedRangePixel;
// Flag to decide if PreRendering shall be used for overlay refreshes.
// Default is false.
bool mbRefreshWithPreRendering : 1;
// link for timer
DECL_LINK(ImpBufferTimerHandler, Timer*, void);
// Internal methods for buffering
void ImpPrepareBufferDevice();
void ImpRestoreBackground() const ;
void ImpRestoreBackground(const vcl::Region& rRegionPixel) const;
void ImpSaveBackground(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice);
OverlayManagerBuffered(
OutputDevice& rOutputDevice,
bool bRefreshWithPreRendering);
virtual ~OverlayManagerBuffered() override;
public:
static rtl::Reference<OverlayManager> create(OutputDevice& rOutputDevice,
bool bRefreshWithPreRendering);
// complete redraw
virtual void completeRedraw(const vcl::Region& rRegion, OutputDevice* pPreRenderDevice = nullptr) const override;
// flush. Do buffered updates.
virtual void flush() override;
// restore part of background. Implemented form buffered versions only.
virtual void restoreBackground(const vcl::Region& rRegion) const override;
// invalidate the given range at local OutputDevice
virtual void invalidateRange(const basegfx::B2DRange& rRange) override;
};
} // end of namespace overlay
} // end of namespace sdr
#endif // INCLUDED_SVX_INC_SDR_OVERLAY_OVERLAYMANAGERBUFFERED_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
