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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSGTEXTURE_H
#define QSGTEXTURE_H
#include <QtQuick/qtquickglobal.h>
#include <QtCore/QObject>
#include <QtGui/QImage>
QT_BEGIN_NAMESPACE
class QSGTexturePrivate;
class Q_QUICK_EXPORT QSGTexture : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QSGTexture)
public:
QSGTexture();
~QSGTexture();
enum WrapMode {
Repeat,
ClampToEdge
};
enum Filtering {
None,
Nearest,
Linear
};
virtual int textureId() const = 0;
virtual QSize textureSize() const = 0;
virtual bool hasAlphaChannel() const = 0;
virtual bool hasMipmaps() const = 0;
virtual QRectF normalizedTextureSubRect() const;
virtual bool isAtlasTexture() const;
virtual QSGTexture *removedFromAtlas() const;
virtual void bind() = 0;
void updateBindOptions(bool force = false);
void setMipmapFiltering(Filtering filter);
QSGTexture::Filtering mipmapFiltering() const;
void setFiltering(Filtering filter);
QSGTexture::Filtering filtering() const;
void setHorizontalWrapMode(WrapMode hwrap);
QSGTexture::WrapMode horizontalWrapMode() const;
void setVerticalWrapMode(WrapMode vwrap);
QSGTexture::WrapMode verticalWrapMode() const;
inline QRectF convertToNormalizedSourceRect(const QRectF &rect) const;
protected:
QSGTexture(QSGTexturePrivate &dd);
};
QRectF QSGTexture::convertToNormalizedSourceRect(const QRectF &rect) const
{
QSize s = textureSize();
QRectF r = normalizedTextureSubRect();
qreal sx = r.width() / s.width();
qreal sy = r.height() / s.height();
return QRectF(r.x() + rect.x() * sx,
r.y() + rect.y() * sy,
rect.width() * sx,
rect.height() * sy);
}
class Q_QUICK_EXPORT QSGDynamicTexture : public QSGTexture
{
Q_OBJECT
public:
virtual bool updateTexture() = 0;
};
QT_END_NAMESPACE
#endif
|
