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
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtDeclarative 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 QDECLARATIVEIMAGEPROVIDER_H
#define QDECLARATIVEIMAGEPROVIDER_H
#include <QtGui/qimage.h>
#include <QtGui/qpixmap.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QDeclarativeImageProviderPrivate;
class QSGTexture;
class QQuickCanvas;
class Q_DECLARATIVE_EXPORT QDeclarativeTextureFactory : public QObject
{
public:
QDeclarativeTextureFactory();
~QDeclarativeTextureFactory();
virtual QSGTexture *createTexture(QQuickCanvas *canvas) const = 0;
virtual QSize textureSize() const = 0;
virtual int textureByteCount() const = 0;
};
class Q_DECLARATIVE_EXPORT QDeclarativeImageProvider
{
public:
enum ImageType {
Image,
Pixmap,
Texture,
Invalid
};
QDeclarativeImageProvider(ImageType type);
virtual ~QDeclarativeImageProvider();
ImageType imageType() const;
virtual QImage requestImage(const QString &id, QSize *size, const QSize& requestedSize);
virtual QPixmap requestPixmap(const QString &id, QSize *size, const QSize& requestedSize);
virtual QDeclarativeTextureFactory *requestTexture(const QString &id, QSize *size, const QSize &requestedSize);
private:
QDeclarativeImageProviderPrivate *d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QDECLARATIVEIMAGEPROVIDER
|