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
170
171
172
173
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCanvas3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtCanvas3D API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef TEXIMAGE3D_P_H
#define TEXIMAGE3D_P_H
#include "context3d_p.h"
#include "abstractobject3d_p.h"
#include <QtCore/QUrl>
#include <QtCore/QPointer>
#include <QtGui/QImage>
#include <QtNetwork/QNetworkAccessManager>
#include <QtNetwork/QNetworkReply>
QT_BEGIN_NAMESPACE
QT_CANVAS3D_BEGIN_NAMESPACE
class CanvasTextureImageFactory : public QObject
{
Q_OBJECT
Q_DISABLE_COPY(CanvasTextureImageFactory)
public:
static QObject *texture_image_factory_provider(QQmlEngine *engine, QJSEngine *scriptEngine);
static CanvasTextureImageFactory *factory(QQmlEngine *engine);
explicit CanvasTextureImageFactory(QQmlEngine *engine, QObject *parent = 0);
~CanvasTextureImageFactory();
void handleImageLoadingStarted(CanvasTextureImage *image);
void notifyLoadedImages();
Q_INVOKABLE QJSValue newTexImage();
void handleImageDestroyed(CanvasTextureImage *image);
private:
QQmlEngine *m_qmlEngine;
QList<CanvasTextureImage *> m_loadingImagesList;
};
class CanvasTextureImage : public CanvasAbstractObject
{
Q_OBJECT
Q_DISABLE_COPY(CanvasTextureImage)
Q_PROPERTY(QUrl src READ src WRITE setSrc NOTIFY srcChanged)
Q_PROPERTY(TextureImageState imageState READ imageState NOTIFY imageStateChanged)
Q_PROPERTY(int width READ width NOTIFY widthChanged)
Q_PROPERTY(int height READ height NOTIFY heightChanged)
Q_PROPERTY(QString errorString READ errorString NOTIFY errorStringChanged)
Q_ENUMS(TextureImageState)
public:
enum TextureImageState {
INITIALIZED = 0,
LOAD_PENDING,
LOADING,
LOADING_FINISHED,
LOADING_ERROR
};
explicit CanvasTextureImage(CanvasTextureImageFactory *parent, QQmlEngine *engine);
virtual ~CanvasTextureImage();
Q_INVOKABLE QJSValue create();
Q_INVOKABLE ulong id();
Q_INVOKABLE QJSValue resize(int width, int height);
QVariant *anything() const;
void setAnything(QVariant *value);
const QUrl &src() const;
void setSrc(const QUrl &src);
TextureImageState imageState() const;
int width() const;
int height() const;
QString errorString() const;
void emitImageLoaded();
void emitImageLoadingError();
void load();
void handleReply();
QImage &getImage();
uchar *convertToFormat(CanvasContext::glEnums format, bool flipY = false, bool premultipliedAlpha = false);
friend QDebug operator<< (QDebug d, const CanvasTextureImage *buffer);
private:
void setImageState(TextureImageState state);
explicit CanvasTextureImage(const QImage &source, int width, int height,
CanvasTextureImageFactory *parent, QQmlEngine *engine);
signals:
void srcChanged(QUrl source);
void imageStateChanged(TextureImageState state);
void widthChanged(int width);
void heightChanged(int height);
void errorStringChanged(const QString errorString);
void anythingChanged(QVariant *value);
void imageLoadingStarted(CanvasTextureImage *image);
void imageLoaded(CanvasTextureImage *image);
void imageLoadingFailed(CanvasTextureImage *image);
private:
void cleanupNetworkReply();
QQmlEngine *m_engine;
QNetworkAccessManager *m_networkAccessManager; // not owned
QNetworkReply *m_networkReply;
QImage m_image;
QUrl m_source;
TextureImageState m_state;
QString m_errorString;
uchar *m_pixelCache;
CanvasContext::glEnums m_pixelCacheFormat;
bool m_pixelCacheFlipY;
QImage m_glImage;
QVariant *m_anyValue;
QPointer<CanvasTextureImageFactory> m_parentFactory;
};
QT_CANVAS3D_END_NAMESPACE
QT_END_NAMESPACE
#endif // TEXIMAGE3D_P_H
|
