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     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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     7 ** This file is part of the tools applications of the Qt Toolkit.

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    16 ** GNU Lesser General Public License Usage

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    40 ****************************************************************************/

    41 

    42 #ifndef QPIXELTOOL_H

    43 #define QPIXELTOOL_H

    44 

    45 #include <qwidget.h>

    46 #include <qpixmap.h>

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 class QPixelTool : public QWidget

    51 {

    52     Q_OBJECT

    53 public:

    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 

    71 public 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 

    84 private:

    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 

   116 QT_END_NAMESPACE

   117 

   118 #endif // QPIXELTOOL_H