| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). | 
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| 4 | ** All rights reserved. | 
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com) | 
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| 6 | ** | 
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| 7 | ** This file is part of the tools applications of the Qt Toolkit. | 
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| 8 | ** | 
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| 9 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 10 | ** Commercial Usage | 
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| 11 | ** Licensees holding valid Qt Commercial licenses may use this file in | 
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| 12 | ** accordance with the Qt Commercial License Agreement provided with the | 
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| 13 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 14 | ** a written agreement between you and Nokia. | 
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| 15 | ** | 
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| 16 | ** GNU Lesser General Public License Usage | 
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| 17 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 18 | ** General Public License version 2.1 as published by the Free Software | 
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| 19 | ** Foundation and appearing in the file LICENSE.LGPL included in the | 
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| 20 | ** packaging of this file.  Please review the following information to | 
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| 21 | ** ensure the GNU Lesser General Public License version 2.1 requirements | 
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| 22 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | 
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| 23 | ** | 
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| 24 | ** In addition, as a special exception, Nokia gives you certain additional | 
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| 25 | ** rights.  These rights are described in the Nokia Qt LGPL Exception | 
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| 26 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | 
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| 27 | ** | 
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| 28 | ** GNU General Public License Usage | 
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| 29 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 30 | ** General Public License version 3.0 as published by the Free Software | 
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the | 
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| 32 | ** packaging of this file.  Please review the following information to | 
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be | 
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html. | 
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| 35 | ** | 
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| 36 | ** If you have questions regarding the use of this file, please contact | 
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| 37 | ** Nokia at qt-info@nokia.com. | 
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| 38 | ** $QT_END_LICENSE$ | 
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| 39 | ** | 
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| 40 | ****************************************************************************/ | 
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| 41 |  | 
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| 42 | #ifndef QPIXELTOOL_H | 
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| 43 | #define QPIXELTOOL_H | 
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| 44 |  | 
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| 45 | #include <qwidget.h> | 
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| 46 | #include <qpixmap.h> | 
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| 47 |  | 
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| 48 | QT_BEGIN_NAMESPACE | 
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| 49 |  | 
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| 50 | class QPixelTool : public QWidget | 
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| 51 | { | 
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| 52 | Q_OBJECT | 
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| 53 | public: | 
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| 54 | QPixelTool(QWidget *parent = 0); | 
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| 55 | ~QPixelTool(); | 
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| 56 |  | 
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| 57 | void timerEvent(QTimerEvent *event); | 
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| 58 | void paintEvent(QPaintEvent *event); | 
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| 59 | void keyPressEvent(QKeyEvent *event); | 
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| 60 | void keyReleaseEvent(QKeyEvent *event); | 
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| 61 | void resizeEvent(QResizeEvent *event); | 
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| 62 | void mouseMoveEvent(QMouseEvent *event); | 
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| 63 | void mousePressEvent(QMouseEvent *event); | 
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| 64 | void mouseReleaseEvent(QMouseEvent *event); | 
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| 65 | void contextMenuEvent(QContextMenuEvent *event); | 
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| 66 |  | 
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| 67 | QSize sizeHint() const; | 
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| 68 |  | 
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| 69 | void setPreviewImage(const QImage &image); | 
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| 70 |  | 
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| 71 | public slots: | 
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| 72 | void setZoom(int zoom); | 
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| 73 | void setGridSize(int gridSize); | 
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| 74 | void toggleGrid(); | 
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| 75 | void toggleFreeze(); | 
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| 76 | void setZoomVisible(bool visible); | 
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| 77 | void copyToClipboard(); | 
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| 78 | void saveToFile(); | 
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| 79 | void increaseGridSize() { setGridSize(m_gridSize + 1); } | 
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| 80 | void decreaseGridSize() { setGridSize(m_gridSize - 1); } | 
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| 81 | void increaseZoom() { setZoom(m_zoom + 1); } | 
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| 82 | void decreaseZoom() { setZoom(m_zoom - 1); } | 
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| 83 |  | 
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| 84 | private: | 
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| 85 | void grabScreen(); | 
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| 86 | void startZoomVisibleTimer(); | 
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| 87 | void startGridSizeVisibleTimer(); | 
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| 88 |  | 
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| 89 | bool m_freeze; | 
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| 90 | bool m_displayZoom; | 
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| 91 | bool m_displayGridSize; | 
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| 92 | bool m_mouseDown; | 
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| 93 | bool m_autoUpdate; | 
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| 94 | bool m_preview_mode; | 
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| 95 |  | 
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| 96 | int m_gridActive; | 
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| 97 | int m_zoom; | 
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| 98 | int m_gridSize; | 
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| 99 |  | 
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| 100 | int m_updateId; | 
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| 101 | int m_displayZoomId; | 
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| 102 | int m_displayGridSizeId; | 
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| 103 |  | 
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| 104 | int m_currentColor; | 
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| 105 |  | 
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| 106 | QPoint m_lastMousePos; | 
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| 107 | QPoint m_dragStart; | 
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| 108 | QPoint m_dragCurrent; | 
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| 109 | QPixmap m_buffer; | 
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| 110 |  | 
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| 111 | QSize m_initialSize; | 
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| 112 |  | 
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| 113 | QImage m_preview_image; | 
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| 114 | }; | 
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| 115 |  | 
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| 116 | QT_END_NAMESPACE | 
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| 117 |  | 
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| 118 | #endif // QPIXELTOOL_H | 
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