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77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef INTERFACES_H
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#define INTERFACES_H
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#include <QtPlugin>
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QT_BEGIN_NAMESPACE
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class QImage;
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class QPainter;
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class QWidget;
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class QPainterPath;
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class QPoint;
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class QRect;
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class QString;
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QT_END_NAMESPACE
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//! [0]
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class BrushInterface
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{
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public:
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virtual ~BrushInterface() = default;
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virtual QStringList brushes() const = 0;
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virtual QRect mousePress(const QString &brush, QPainter &painter,
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const QPoint &pos) = 0;
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virtual QRect mouseMove(const QString &brush, QPainter &painter,
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const QPoint &oldPos, const QPoint &newPos) = 0;
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virtual QRect mouseRelease(const QString &brush, QPainter &painter,
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const QPoint &pos) = 0;
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};
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//! [0]
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//! [1]
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class ShapeInterface
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{
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public:
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virtual ~ShapeInterface() = default;
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virtual QStringList shapes() const = 0;
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virtual QPainterPath generateShape(const QString &shape,
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QWidget *parent) = 0;
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};
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//! [1]
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//! [2]
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class FilterInterface
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{
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public:
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virtual ~FilterInterface() = default;
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virtual QStringList filters() const = 0;
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virtual QImage filterImage(const QString &filter, const QImage &image,
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QWidget *parent) = 0;
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};
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//! [2]
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QT_BEGIN_NAMESPACE
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//! [3] //! [4]
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#define BrushInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.BrushInterface/1.0"
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Q_DECLARE_INTERFACE(BrushInterface, BrushInterface_iid)
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//! [3]
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#define ShapeInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.ShapeInterface/1.0"
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Q_DECLARE_INTERFACE(ShapeInterface, ShapeInterface_iid)
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//! [5]
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#define FilterInterface_iid "org.qt-project.Qt.Examples.PlugAndPaint.FilterInterface/1.0"
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Q_DECLARE_INTERFACE(FilterInterface, FilterInterface_iid)
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//! [4] //! [5]
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QT_END_NAMESPACE
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#endif
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