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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/* -*- 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_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SLIDECHANGEBASE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SLIDECHANGEBASE_HXX
#include <osl/mutex.hxx>
#include "unoview.hxx"
#include "vieweventhandler.hxx"
#include "numberanimation.hxx"
#include "slide.hxx"
#include "screenupdater.hxx"
#include "soundplayer.hxx"
#include <boost/enable_shared_from_this.hpp>
#include <boost/noncopyable.hpp>
#include <boost/optional.hpp>
namespace cppcanvas
{
class Canvas;
class CustomSprite;
}
namespace slideshow {
namespace internal {
/** Base class for all slide change effects.
This class provides the basic sprite and view handling
functionality. Derived classes should normally only need to
implement the perform() method.
*/
class SlideChangeBase : public ViewEventHandler,
public NumberAnimation,
public boost::enable_shared_from_this<SlideChangeBase>,
private ::boost::noncopyable
{
public:
// NumberAnimation
virtual bool operator()( double x ) SAL_OVERRIDE;
virtual double getUnderlyingValue() const SAL_OVERRIDE;
// Animation
virtual void prefetch( const AnimatableShapeSharedPtr&,
const ShapeAttributeLayerSharedPtr& ) SAL_OVERRIDE;
virtual void start( const AnimatableShapeSharedPtr&,
const ShapeAttributeLayerSharedPtr& ) SAL_OVERRIDE;
virtual void end() SAL_OVERRIDE;
// ViewEventHandler
virtual void viewAdded( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
virtual void viewRemoved( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
virtual void viewChanged( const UnoViewSharedPtr& rView ) SAL_OVERRIDE;
virtual void viewsChanged() SAL_OVERRIDE;
protected:
/** Create a new SlideChanger, for the given leaving and
entering slides.
*/
SlideChangeBase(
::boost::optional<SlideSharedPtr> const & leavingSlide,
const SlideSharedPtr& pEnteringSlide,
const SoundPlayerSharedPtr& pSoundPlayer,
const UnoViewContainer& rViewContainer,
ScreenUpdater& rScreenUpdater,
EventMultiplexer& rEventMultiplexer,
bool bCreateLeavingSprites = true,
bool bCreateEnteringSprites = true );
/// Info on a per-view basis
struct ViewEntry
{
ViewEntry() {}
explicit ViewEntry( const UnoViewSharedPtr& rView ) :
mpView( rView )
{
}
/// The view this entry is for
UnoViewSharedPtr mpView;
/// outgoing slide sprite
boost::shared_ptr<cppcanvas::CustomSprite> mpOutSprite;
/// incoming slide sprite
boost::shared_ptr<cppcanvas::CustomSprite> mpInSprite;
/// outgoing slide bitmap
mutable SlideBitmapSharedPtr mpLeavingBitmap;
/// incoming slide bitmap
mutable SlideBitmapSharedPtr mpEnteringBitmap;
// for algo access
const UnoViewSharedPtr& getView() const { return mpView; }
};
typedef ::std::vector<ViewEntry> ViewsVecT;
ViewsVecT::const_iterator beginViews() { return maViewData.begin(); }
ViewsVecT::const_iterator endViews() { return maViewData.end(); }
SlideBitmapSharedPtr getLeavingBitmap( const ViewEntry& rViewEntry ) const;
SlideBitmapSharedPtr getEnteringBitmap( const ViewEntry& rViewEntry ) const;
SlideBitmapSharedPtr createBitmap( const UnoViewSharedPtr& pView,
const boost::optional<SlideSharedPtr>& rSlide_ ) const;
::basegfx::B2ISize getEnteringSlideSizePixel( const UnoViewSharedPtr& pView ) const;
void renderBitmap( SlideBitmapSharedPtr const& pSlideBitmap,
boost::shared_ptr<cppcanvas::Canvas> const& pCanvas );
/** Called on derived classes to perform actions before first run.
This typically involves rendering of the initial slide content.
@param rViewEntry the view entry
@param rDestinationCanvas the canvas to render on
*/
virtual void prepareForRun(
const ViewEntry& rViewEntry,
const cppcanvas::CanvasSharedPtr& rDestinationCanvas );
/** Called on derived classes to implement actual slide change.
This method is called with the sprite of the slide coming 'in'
@param rSprite
Current sprite to operate on. This is the sprite of the
'entering' slide
@param t
Current parameter value
*/
virtual void performIn(
const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite,
const ViewEntry& rViewEntry,
const boost::shared_ptr<cppcanvas::Canvas>& rDestinationCanvas,
double t );
/** Called on derived classes to implement actual slide change.
This method is called with the sprite of the slide moving 'out'
@param rSprite
Current sprite to operate on. This is the sprite of the
'leaving' slide
@param t
Current parameter value
*/
virtual void performOut(
const boost::shared_ptr<cppcanvas::CustomSprite>& rSprite,
const ViewEntry& rViewEntry,
const boost::shared_ptr<cppcanvas::Canvas>& rDestinationCanvas,
double t );
ScreenUpdater& getScreenUpdater() const { return mrScreenUpdater; }
private:
boost::shared_ptr<cppcanvas::CustomSprite> createSprite(
UnoViewSharedPtr const & pView,
::basegfx::B2DSize const & rSpriteSize,
double nPrio ) const;
void addSprites( ViewEntry& rEntry );
void clearViewEntry( ViewEntry& rEntry );
ViewsVecT::iterator lookupView( UnoViewSharedPtr const & pView );
ViewsVecT::const_iterator lookupView( UnoViewSharedPtr const & pView ) const;
SoundPlayerSharedPtr mpSoundPlayer;
EventMultiplexer& mrEventMultiplexer;
ScreenUpdater& mrScreenUpdater;
::boost::optional<SlideSharedPtr> maLeavingSlide;
SlideSharedPtr mpEnteringSlide;
ViewsVecT maViewData;
const UnoViewContainer& mrViewContainer;
const bool mbCreateLeavingSprites;
const bool mbCreateEnteringSprites;
bool mbSpritesVisible;
bool mbFinished;
bool mbPrefetched;
};
} // namespace internal
} // namespace presentation
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_SLIDECHANGEBASE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
