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50
51#ifndef INTERFACES_H
52#define INTERFACES_H
53
54#include <QtPlugin>
55
56QT_BEGIN_NAMESPACE
57class QImage;
58class QPainter;
59class QWidget;
60class QPainterPath;
61class QPoint;
62class QRect;
63class QString;
64QT_END_NAMESPACE
65
66//! [0]
67class BrushInterface
68{
69public:
70 virtual ~BrushInterface() = default;
71
72 virtual QStringList brushes() const = 0;
73 virtual QRect mousePress(const QString &brush, QPainter &painter,
74 const QPoint &pos) = 0;
75 virtual QRect mouseMove(const QString &brush, QPainter &painter,
76 const QPoint &oldPos, const QPoint &newPos) = 0;
77 virtual QRect mouseRelease(const QString &brush, QPainter &painter,
78 const QPoint &pos) = 0;
79};
80//! [0]
81
82//! [1]
83class ShapeInterface
84{
85public:
86 virtual ~ShapeInterface() = default;
87
88 virtual QStringList shapes() const = 0;
89 virtual QPainterPath generateShape(const QString &shape,
90 QWidget *parent) = 0;
91};
92//! [1]
93
94//! [2]
95class FilterInterface
96{
97public:
98 virtual ~FilterInterface() = default;
99
100 virtual QStringList filters() const = 0;
101 virtual QImage filterImage(const QString &filter, const QImage &image,
102 QWidget *parent) = 0;
103};
104//! [2]
105
106QT_BEGIN_NAMESPACE
107//! [3] //! [4]
108#define BrushInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface/1.0"
109
110Q_DECLARE_INTERFACE(BrushInterface, BrushInterface_iid)
111//! [3]
112
113#define ShapeInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface/1.0"
114
115Q_DECLARE_INTERFACE(ShapeInterface, ShapeInterface_iid)
116//! [5]
117#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface/1.0"
118
119Q_DECLARE_INTERFACE(FilterInterface, FilterInterface_iid)
120//! [4] //! [5]
121QT_END_NAMESPACE
122
123#endif
124