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/**
* The source code is based on qpixeltool.h.
* Original license follows.
*/
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#include <qwidget.h>
#include <qpixmap.h>
class PixelWidget : public QWidget
{
Q_OBJECT
public:
PixelWidget(QWidget *parent = 0);
~PixelWidget();
void setSurface(const QImage &image);
QColor colorAtCurrentPosition() const;
signals:
void zoomChanged(int);
void mousePosition(int x, int y);
void gridGeometry(const QRect &rect);
public:
void timerEvent(QTimerEvent *event) override;
void paintEvent(QPaintEvent *event) override;
void keyPressEvent(QKeyEvent *event) override;
void keyReleaseEvent(QKeyEvent *event) override;
void resizeEvent(QResizeEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *event) override;
void contextMenuEvent(QContextMenuEvent *event) override;
QSize sizeHint() const override;
public slots:
void setZoom(int zoom);
void setGridSize(int gridSize);
void toggleGrid();
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 startGridSizeVisibleTimer();
double zoomValue() const { return m_zoom; }
bool m_displayGridSize;
bool m_mouseDown;
int m_gridActive;
int m_zoom;
int m_gridSize;
int m_displayGridSizeId;
QPoint m_lastMousePos;
QPoint m_dragStart;
QPoint m_dragCurrent;
QImage m_surface;
QSize m_initialSize;
QColor m_currentColor;
};
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