Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions

interfaces.h Example File
tools/plugandpaint/interfaces.h

 /****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** Contact: Qt Software Information ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
 ** General Public License version 2.1 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL included in the
 ** packaging of this file.  Please review the following information to
 ** ensure the GNU Lesser General Public License version 2.1 requirements
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain
 ** additional rights. These rights are described in the Nokia Qt LGPL
 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
 ** package.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License version 3.0 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.  Please review the following information to
 ** ensure the GNU General Public License version 3.0 requirements will be
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
 ** If you are unsure which license is appropriate for your use, please
 ** contact the sales department at [email protected].
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #ifndef INTERFACES_H
 #define INTERFACES_H

 #include <QtPlugin>

 class QImage;
 class QPainter;
 class QWidget;
 class QPainterPath;
 class QPoint;
 class QRect;
 class QString;
 class QStringList;

 class BrushInterface
 {
 public:
     virtual ~BrushInterface() {}

     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;
 };

 class ShapeInterface
 {
 public:
     virtual ~ShapeInterface() {}

     virtual QStringList shapes() const = 0;
     virtual QPainterPath generateShape(const QString &shape,
                                        QWidget *parent) = 0;
 };

 class FilterInterface
 {
 public:
     virtual ~FilterInterface() {}

     virtual QStringList filters() const = 0;
     virtual QImage filterImage(const QString &filter, const QImage &image,
                                QWidget *parent) = 0;
 };

 Q_DECLARE_INTERFACE(BrushInterface,
                     "com.trolltech.PlugAndPaint.BrushInterface/1.0")
 Q_DECLARE_INTERFACE(ShapeInterface,
                     "com.trolltech.PlugAndPaint.ShapeInterface/1.0")
 Q_DECLARE_INTERFACE(FilterInterface,
                     "com.trolltech.PlugAndPaint.FilterInterface/1.0")

 #endif