summaryrefslogtreecommitdiffstats
path: root/examples/widgets/tools/plugandpaint/interfaces.h
blob: ff3ca8e6479efe93351b37a0d7827998481c63fe (plain)
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
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd and its Subsidiary(-ies) nor the
**     names of its contributors may be used to endorse or promote products
**     derived from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef INTERFACES_H
#define INTERFACES_H

#include <QtPlugin>

QT_BEGIN_NAMESPACE
class QImage;
class QPainter;
class QWidget;
class QPainterPath;
class QPoint;
class QRect;
class QString;
class QStringList;
QT_END_NAMESPACE

//! [0]
class BrushInterface
{
public:
    virtual ~BrushInterface() {}

    virtual QStringList brushes() const = 0;
    virtual QRect mousePress(const QString &brush, QPainter &painter,
                             const QPoint &pos) = 0;
    virtual QRect mouseMove(const QString &brush, QPainter &painter,
                            const QPoint &oldPos, const QPoint &newPos) = 0;
    virtual QRect mouseRelease(const QString &brush, QPainter &painter,
                               const QPoint &pos) = 0;
};
//! [0]

//! [1]
class ShapeInterface
{
public:
    virtual ~ShapeInterface() {}

    virtual QStringList shapes() const = 0;
    virtual QPainterPath generateShape(const QString &shape,
                                       QWidget *parent) = 0;
};
//! [1]

//! [2]
class FilterInterface
{
public:
    virtual ~FilterInterface() {}

    virtual QStringList filters() const = 0;
    virtual QImage filterImage(const QString &filter, const QImage &image,
                               QWidget *parent) = 0;
};
//! [2]

QT_BEGIN_NAMESPACE
//! [3] //! [4]
#define BrushInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface"

Q_DECLARE_INTERFACE(BrushInterface, BrushInterface_iid)
//! [3]

#define ShapeInterface_iid  "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface"

Q_DECLARE_INTERFACE(ShapeInterface, ShapeInterface_iid)
//! [5]
#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface"

Q_DECLARE_INTERFACE(FilterInterface, FilterInterface_iid)
//! [4] //! [5]
QT_END_NAMESPACE

#endif