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1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the tools applications of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
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14** conditions see http://qt.digia.com/licensing. For further information
15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
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39**
40****************************************************************************/
41
42#ifndef QPIXELTOOL_H
43#define QPIXELTOOL_H
44
45#include <qwidget.h>
46#include <qpixmap.h>
47
48QT_BEGIN_NAMESPACE
49
50class QPixelTool : public QWidget
51{
52 Q_OBJECT
53public:
54 QPixelTool(QWidget *parent = 0);
55 ~QPixelTool();
56
57 void timerEvent(QTimerEvent *event);
58 void paintEvent(QPaintEvent *event);
59 void keyPressEvent(QKeyEvent *event);
60 void keyReleaseEvent(QKeyEvent *event);
61 void resizeEvent(QResizeEvent *event);
62 void mouseMoveEvent(QMouseEvent *event);
63 void mousePressEvent(QMouseEvent *event);
64 void mouseReleaseEvent(QMouseEvent *event);
65 void contextMenuEvent(QContextMenuEvent *event);
66
67 QSize sizeHint() const;
68
69 void setPreviewImage(const QImage &image);
70
71public slots:
72 void setZoom(int zoom);
73 void setGridSize(int gridSize);
74 void toggleGrid();
75 void toggleFreeze();
76 void setZoomVisible(bool visible);
77 void copyToClipboard();
78 void saveToFile();
79 void increaseGridSize() { setGridSize(m_gridSize + 1); }
80 void decreaseGridSize() { setGridSize(m_gridSize - 1); }
81 void increaseZoom() { setZoom(m_zoom + 1); }
82 void decreaseZoom() { setZoom(m_zoom - 1); }
83
84private:
85 void grabScreen();
86 void startZoomVisibleTimer();
87 void startGridSizeVisibleTimer();
88
89 bool m_freeze;
90 bool m_displayZoom;
91 bool m_displayGridSize;
92 bool m_mouseDown;
93 bool m_autoUpdate;
94 bool m_preview_mode;
95
96 int m_gridActive;
97 int m_zoom;
98 int m_gridSize;
99
100 int m_updateId;
101 int m_displayZoomId;
102 int m_displayGridSizeId;
103
104 int m_currentColor;
105
106 QPoint m_lastMousePos;
107 QPoint m_dragStart;
108 QPoint m_dragCurrent;
109 QPixmap m_buffer;
110
111 QSize m_initialSize;
112
113 QImage m_preview_image;
114};
115
116QT_END_NAMESPACE
117
118#endif // QPIXELTOOL_H
119

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