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
|
/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef INCLUDED_CANVAS_SURFACEPROXY_HXX
#define INCLUDED_CANVAS_SURFACEPROXY_HXX
#include <canvas/rendering/isurfaceproxy.hxx>
#include <canvas/rendering/icolorbuffer.hxx>
#include "pagemanager.hxx"
#include "surface.hxx"
namespace canvas
{
//////////////////////////////////////////////////////////////////////////////////
// SurfaceProxy
//////////////////////////////////////////////////////////////////////////////////
/** Definition of the surface proxy class.
Surface proxies are the connection between *one* source image
and *one or more* hardware surfaces (or textures). in a
logical structure surface proxies represent solely this
dependeny plus some simple cache management.
*/
class SurfaceProxy : public ISurfaceProxy
{
public:
SurfaceProxy( const canvas::IColorBufferSharedPtr& pBuffer,
const PageManagerSharedPtr &pPageManager );
// ISurfaceProxy interface
virtual void setColorBufferDirty();
/** Render the surface content to screen.
@param fAlpha
Overall alpha for content
@param rPos
Output position
@param rTransform
Output transformation (does not affect output position)
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DHomMatrix& rTransform );
/** Render the surface content to screen.
@param fAlpha
Overall alpha for content
@param rPos
Output position
@param rArea
Subset of the surface to render. Coordinate system are
surface area pixel, given area will be clipped to the
surface bounds.
@param rTransform
Output transformation (does not affect output position)
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DRange& rArea,
const ::basegfx::B2DHomMatrix& rTransform );
/** Render the surface content to screen.
@param fAlpha
Overall alpha for content
@param rPos
Output position
@param rClipPoly
Clip polygon for the surface. The clip polygon is also
subject to the output transformation.
@param rTransform
Output transformation (does not affect output position)
*/
virtual bool draw( double fAlpha,
const ::basegfx::B2DPoint& rPos,
const ::basegfx::B2DPolyPolygon& rClipPoly,
const ::basegfx::B2DHomMatrix& rTransform );
private:
PageManagerSharedPtr mpPageManager;
// the pagemanager will distribute the image
// to one or more surfaces, this is why we
// need a list here.
std::vector<SurfaceSharedPtr> maSurfaceList;
// pointer to the source of image data
// which always is stored in system memory,
// 32bit rgba and can have any size.
canvas::IColorBufferSharedPtr mpBuffer;
};
typedef ::boost::shared_ptr< SurfaceProxy > SurfaceProxySharedPtr;
}
#endif
|
