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| ** This file is part of the examples of the Qt Toolkit. |
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| |
| #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() = 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 |