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
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKIMAGEBASE_P_H
#define QQUICKIMAGEBASE_P_H
#include "qquickimplicitsizeitem_p.h"
#include <private/qtquickglobal_p.h>
QT_BEGIN_NAMESPACE
class QQuickImageBasePrivate;
class Q_QUICK_PRIVATE_EXPORT QQuickImageBase : public QQuickImplicitSizeItem
{
Q_OBJECT
Q_PROPERTY(Status status READ status NOTIFY statusChanged)
Q_PROPERTY(QUrl source READ source WRITE setSource NOTIFY sourceChanged)
Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
Q_PROPERTY(bool asynchronous READ asynchronous WRITE setAsynchronous NOTIFY asynchronousChanged)
Q_PROPERTY(bool cache READ cache WRITE setCache NOTIFY cacheChanged)
Q_PROPERTY(QSize sourceSize READ sourceSize WRITE setSourceSize RESET resetSourceSize NOTIFY sourceSizeChanged)
Q_PROPERTY(bool mirror READ mirror WRITE setMirror NOTIFY mirrorChanged)
public:
QQuickImageBase(QQuickItem *parent=0);
~QQuickImageBase();
enum Status { Null, Ready, Loading, Error };
Q_ENUM(Status)
Status status() const;
qreal progress() const;
QUrl source() const;
virtual void setSource(const QUrl &url);
bool asynchronous() const;
void setAsynchronous(bool);
bool cache() const;
void setCache(bool);
QImage image() const;
virtual void setSourceSize(const QSize&);
QSize sourceSize() const;
void resetSourceSize();
virtual void setMirror(bool mirror);
bool mirror() const;
virtual void setAutoTransform(bool transform);
bool autoTransform() const;
void resolve2xLocalFile(const QUrl &url, qreal targetDevicePixelRatio, QUrl *sourceUrl, qreal *sourceDevicePixelRatio);
// Use a virtual rather than a signal->signal to avoid the huge
// connect/conneciton overhead for this rare case.
virtual void emitAutoTransformBaseChanged() { }
Q_SIGNALS:
void sourceChanged(const QUrl &);
void sourceSizeChanged();
void statusChanged(QQuickImageBase::Status);
void progressChanged(qreal progress);
void asynchronousChanged();
void cacheChanged();
void mirrorChanged();
protected:
virtual void load();
void componentComplete() Q_DECL_OVERRIDE;
virtual void pixmapChange();
void itemChange(ItemChange change, const ItemChangeData &value) Q_DECL_OVERRIDE;
QQuickImageBase(QQuickImageBasePrivate &dd, QQuickItem *parent);
private Q_SLOTS:
virtual void requestFinished();
void requestProgress(qint64,qint64);
void handleScreenChanged(QScreen *screen);
private:
Q_DISABLE_COPY(QQuickImageBase)
Q_DECLARE_PRIVATE(QQuickImageBase)
};
QT_END_NAMESPACE
#endif // QQUICKIMAGEBASE_P_H
|
