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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QPIXELTOOL_H
#define QPIXELTOOL_H
#include <qwidget.h>
#include <qpixmap.h>
QT_BEGIN_NAMESPACE
class QPixelTool : public QWidget
{
Q_OBJECT
public:
QPixelTool(QWidget *parent = 0);
~QPixelTool();
void timerEvent(QTimerEvent *event);
void paintEvent(QPaintEvent *event);
void keyPressEvent(QKeyEvent *event);
void keyReleaseEvent(QKeyEvent *event);
void resizeEvent(QResizeEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void contextMenuEvent(QContextMenuEvent *event);
QSize sizeHint() const;
void setPreviewImage(const QImage &image);
public slots:
void setZoom(int zoom);
void setGridSize(int gridSize);
void toggleGrid();
void toggleFreeze();
void setZoomVisible(bool visible);
void copyToClipboard();
void saveToFile();
void increaseGridSize() { setGridSize(m_gridSize + 1); }
void decreaseGridSize() { setGridSize(m_gridSize - 1); }
void increaseZoom() { setZoom(m_zoom + 1); }
void decreaseZoom() { setZoom(m_zoom - 1); }
private:
void grabScreen();
void startZoomVisibleTimer();
void startGridSizeVisibleTimer();
bool m_freeze;
bool m_displayZoom;
bool m_displayGridSize;
bool m_mouseDown;
bool m_autoUpdate;
bool m_preview_mode;
int m_gridActive;
int m_zoom;
int m_gridSize;
int m_updateId;
int m_displayZoomId;
int m_displayGridSizeId;
int m_currentColor;
QPoint m_lastMousePos;
QPoint m_dragStart;
QPoint m_dragCurrent;
QPixmap m_buffer;
QSize m_initialSize;
QImage m_preview_image;
};
QT_END_NAMESPACE
#endif // QPIXELTOOL_H
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