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
|
/* -*- 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_ANIMATEDSPRITE_HXX
#define INCLUDED_SLIDESHOW_ANIMATEDSPRITE_HXX
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/rendering/XCustomSprite.hpp>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/vector/b2dsize.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include "canvas.hxx"
#include "viewlayer.hxx"
#include <boost/optional.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/noncopyable.hpp>
/* Definition of AnimatedSprite class */
namespace slideshow
{
namespace internal
{
/** This class provides the sprite for animated shapes.
Besides encapsulating the Canvas sprite for animated
shapes, this class also handles dynamic sprite resizing
and all the gory details of offset calculations and
rounding prevention.
*/
class AnimatedSprite : private boost::noncopyable
{
public:
/** Create a new AnimatedSprite, for the given metafile
shape.
@param rViewLayer
The destination view layer, on which the animation should appear
@param rSpriteSizePixel
The overall size of the sprite in device coordinate
space, sufficient to display all transformations,
shape changes and clips.
@param nSpritePrio
Priority of the sprite. Must remain static over the
lifetime of this object
*/
AnimatedSprite( const ViewLayerSharedPtr& rViewLayer,
const ::basegfx::B2DSize& rSpriteSizePixel,
double nSpritePrio );
/** Resize the sprite.
@param rSpriteSizePixel
The new size in pixel
@return true, if the resize was successful. If false
is returned, the sprite might be invalid.
*/
bool resize( const ::basegfx::B2DSize& rSpriteSizePixel );
/** Set an offset for the content output in pixel
This method offsets the output on the sprite content
canvas by the specified amount of device pixel (for
subsequent render operations).
*/
void setPixelOffset( const ::basegfx::B2DSize& rPixelOffset );
/// Show the sprite
void show();
/// Hide the sprite
void hide();
/** Query the content canvas for the current sprite.
Note that this method must be called
<em>everytime</em> something is rendered to the
sprite, because XCustomSprite does not guarantee the
validity of the canvas after a render operation.
Furthermore, the view transformation on the returned
canvas is already correctly setup, matching the
associated destination canvas.
*/
const Canvas& getContentCanvas() const;
/** Move the sprite in device pixel space.
If the sprite is not yet created, this method has no
effect.
*/
void movePixel( const ::basegfx::B2DPoint& rNewPos );
/** Set the alpha value of the sprite.
If the sprite is not yet created, this method has no
effect.
*/
void setAlpha( double rAlpha );
/** Set a sprite clip in user coordinate space.
If the sprite is not yet created, this method has no
effect.
*/
void clip( const ::basegfx::B2DPolyPolygon& rClip );
/** Clears a sprite clip
If the sprite is not yet created, this method has no
effect.
*/
void clip();
/** Set a sprite transformation.
If the sprite is not yet created, this method has no
effect.
*/
void transform( const ::basegfx::B2DHomMatrix& rTransform );
private:
ViewLayerSharedPtr mpViewLayer;
css::uno::Reference< css::rendering::XCustomSprite > mpSprite;
::basegfx::B2DSize maEffectiveSpriteSizePixel;
::basegfx::B2DSize maContentPixelOffset;
double mnSpritePrio;
double mnAlpha;
::boost::optional< ::basegfx::B2DPoint > maPosPixel;
::boost::optional< ::basegfx::B2DPolyPolygon > maClip;
::boost::optional< ::basegfx::B2DHomMatrix > maTransform;
bool mbSpriteVisible;
};
typedef ::boost::shared_ptr< AnimatedSprite > AnimatedSpriteSharedPtr;
}
}
#endif /* INCLUDED_SLIDESHOW_ANIMATEDSPRITE_HXX */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
