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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#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;
QT_END_NAMESPACE
//! [0]
class BrushInterface
{
public:
virtual ~BrushInterface() = default;
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() = default;
virtual QStringList shapes() const = 0;
virtual QPainterPath generateShape(const QString &shape,
QWidget *parent) = 0;
};
//! [1]
//! [2]
class FilterInterface
{
public:
virtual ~FilterInterface() = default;
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/1.0"
Q_DECLARE_INTERFACE(BrushInterface, BrushInterface_iid)
//! [3]
#define ShapeInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface/1.0"
Q_DECLARE_INTERFACE(ShapeInterface, ShapeInterface_iid)
//! [5]
#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface/1.0"
Q_DECLARE_INTERFACE(FilterInterface, FilterInterface_iid)
//! [4] //! [5]
QT_END_NAMESPACE
#endif
|