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66 lines
1.4 KiB
66 lines
1.4 KiB
14 years ago
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/****************************************************************************
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of an example program for Qt. This example
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** program may be used, distributed and modified without limitation.
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**
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*****************************************************************************/
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#include <qpen.h>
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#include <qpixmap.h>
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#include <qpoint.h>
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#include <qpointarray.h>
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#include <qwidget.h>
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#ifndef _MY_CANVAS_
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#define _MY_CANVAS_
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class Canvas : public QWidget
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{
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Q_OBJECT
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public:
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Canvas( QWidget *parent = 0, const char *name = 0, WFlags fl = 0 );
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virtual ~Canvas() {};
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void setPenColor( const QColor &c )
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{ saveColor = c;
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pen.setColor( saveColor ); }
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void setPenWidth( int w )
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{ pen.setWidth( w ); }
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QColor penColor()
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{ return pen.color(); }
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int penWidth()
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{ return pen.width(); }
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void save( const QString &filename, const QString &format );
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void clearScreen();
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protected:
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virtual void mousePressEvent( QMouseEvent *e );
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virtual void mouseReleaseEvent( QMouseEvent *e );
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virtual void mouseMoveEvent( QMouseEvent *e );
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virtual void resizeEvent( QResizeEvent *e );
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virtual void paintEvent( QPaintEvent *e );
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virtual void tabletEvent( QTabletEvent *e );
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QPen pen;
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QPointArray polyline;
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bool mousePressed;
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int oldPressure;
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QColor saveColor;
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QPixmap buffer;
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};
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#endif
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