Qt 4.8
qiconengine.h
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** Commercial License Usage
10 ** Licensees holding valid commercial Qt licenses may use this file in
11 ** accordance with the commercial license agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/contact-us.
16 **
17 ** GNU Lesser General Public License Usage
18 ** Alternatively, this file may be used under the terms of the GNU Lesser
19 ** General Public License version 2.1 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #ifndef QICONENGINE_H
43 #define QICONENGINE_H
44 
45 #include <QtCore/qglobal.h>
46 #include <QtCore/qlist.h>
47 #include <QtGui/qicon.h>
48 
50 
52 
53 QT_MODULE(Gui)
54 
56 {
57 public:
58  virtual ~QIconEngine();
59  virtual void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) = 0;
60  virtual QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);
61  virtual QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
62 
63  virtual void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state);
64  virtual void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state);
65 
66 #if 0
67  virtual int frameCount(QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);
68  virtual void paintFrame(QPainter *painter, const QRect &rect, int frameNumber, QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);
69 #endif
70 };
71 
72 // ### Qt 5: move the below into QIconEngine
74 {
75 public:
76  virtual QString key() const;
77  virtual QIconEngineV2 *clone() const;
78  virtual bool read(QDataStream &in);
79  virtual bool write(QDataStream &out) const;
80  virtual void virtual_hook(int id, void *data);
81 
82 public:
83  enum IconEngineHook { AvailableSizesHook = 1, IconNameHook };
84 
86  {
90  };
91 
92  // ### Qt 5: make this function const and virtual.
93  QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
94  QIcon::State state = QIcon::Off);
95 
96  // ### Qt 5: make this function const and virtual.
97  QString iconName();
98 };
99 
101 
103 
104 #endif // QICONENGINE_H
The QPainter class performs low-level painting on widgets and other paint devices.
Definition: qpainter.h:86
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
State
This enum describes the state for which a pixmap is intended to be used.
Definition: qicon.h:64
IconEngineHook
These enum values are used for virtual_hook() to allow additional queries to icon engine without brea...
Definition: qiconengine.h:83
The QString class provides a Unicode character string.
Definition: qstring.h:83
QIcon::Mode mode
the requested mode of an image.
Definition: qiconengine.h:87
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
This struct represents arguments to virtual_hook() function when id parameter is QIconEngineV2::Avail...
Definition: qiconengine.h:85
Mode
This enum type describes the mode for which a pixmap is intended to be used.
Definition: qicon.h:63
QList< QSize > sizes
image sizes that are available with specified mode and
Definition: qiconengine.h:89
static const char * data(const QByteArray &arr)
The QIconEngineV2 class provides an abstract base class for QIcon renderers.
Definition: qiconengine.h:73
int key
The QIconEngine class provides an abstract base class for QIcon renderers.
Definition: qiconengine.h:55
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
The QDataStream class provides serialization of binary data to a QIODevice.
Definition: qdatastream.h:71
QIcon::State state
the requested state of an image.
Definition: qiconengine.h:88
#define class
#define QT_END_HEADER
Definition: qglobal.h:137
static QString fileName(const QString &fileUrl)
static void clone(QMetaObjectBuilder &builder, const QMetaObject *mo, const QMetaObject *ignoreStart, const QMetaObject *ignoreEnd)