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50
51#ifndef BASICTOOLSPLUGIN_H
52#define BASICTOOLSPLUGIN_H
53
54//! [0]
55#include <interfaces.h>
56
57#include <QImage>
58#include <QObject>
59#include <QPainterPath>
60#include <QRect>
61#include <QStringList>
62#include <QtPlugin>
63
64//! [1]
65class BasicToolsPlugin : public QObject,
66 public BrushInterface,
67 public ShapeInterface,
68 public FilterInterface
69{
70 Q_OBJECT
71//! [4]
72 Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface" FILE "basictools.json")
73//! [4]
74 Q_INTERFACES(BrushInterface ShapeInterface FilterInterface)
75//! [0]
76
77//! [2]
78public:
79//! [1]
80 // BrushInterface
81 QStringList brushes() const override;
82 QRect mousePress(const QString &brush, QPainter &painter,
83 const QPoint &pos) override;
84 QRect mouseMove(const QString &brush, QPainter &painter,
85 const QPoint &oldPos, const QPoint &newPos) override;
86 QRect mouseRelease(const QString &brush, QPainter &painter,
87 const QPoint &pos) override;
88
89 // ShapeInterface
90 QStringList shapes() const override;
91 QPainterPath generateShape(const QString &shape, QWidget *parent) override;
92
93 // FilterInterface
94 QStringList filters() const override;
95 QImage filterImage(const QString &filter, const QImage &image,
96 QWidget *parent) override;
97//! [3]
98};
99//! [2] //! [3]
100
101#endif
102

source code of qtbase/examples/widgets/tools/plugandpaint/plugins/basictools/basictoolsplugin.h