blob: fb1de9d2739221d24614bf02adefb953884852a7 (
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QATLAS_H
#define QATLAS_H
#include <QSize>
#include <QOpenGLFramebufferObject>
#include <QImage>
#include "qarray.h"
#include "qgeometrydata.h"
QT_BEGIN_NAMESPACE
class QAreaAllocator;
class QGLTexture2D;
class QGLMaterial;
class QGeometryData;
class QOpenGLFramebufferObject;
class QGLFramebufferObjectSurface;
QT_END_NAMESPACE
struct QAtlasEntry
{
QAtlasEntry(QImage i, QRect r) : image(i), rect(r) {}
QImage image;
QRect rect;
};
class QAtlas
{
public:
QAtlas();
~QAtlas();
QAreaAllocator *allocator() const { return m_allocator; }
void setAllocator(QAreaAllocator *allocator) { m_allocator = allocator; }
QRect allocate(const QSize &size, const QImage &image, const QGL::IndexArray &indices);
void initialize(QGLPainter *painter);
void paint(QGLPainter *painter);
void release(QRect frame);
void setGeometry(QGeometryData geometry) { m_geometry = geometry; }
QGeometryData geometry() { return m_geometry; }
QGLMaterial *material() { return m_material; }
QList<QAtlasEntry> allocationQueue() const { return m_allocationQueue; }
static QAtlas *instance();
private:
QSize m_size;
QOpenGLFramebufferObject *m_data;
QGLFramebufferObjectSurface *m_renderTarget;
QAreaAllocator *m_allocator;
QGLTexture2D *m_tex;
QGLMaterial *m_material;
QGeometryData m_geometry;
bool m_initialized;
QList<QAtlasEntry> m_allocationQueue;
int m_count;
};
#endif // QATLAS_H
|
