videowidget.h

Linux下的USB摄像头拍照程序

#ifndef _VIDEOWIDGET_H
#define _VIDEOWIDGET_H

#include <QtGui/QWidget>
#include <QtGui/QCloseEvent>
#include <QtGui/QLabel>
#include <QtCore/QTimer>
#include <QtCore/QTime>
#include <QtGui/QPainter>
#include <QtGui/QImage>
#include <QtGui/QPixmap>
#include <QtGui/QPushButton>
#include <QtGui/QApplication>
#include "v4l.h"

class VideoWidget : public QWidget
{
    Q_OBJECT
public:
    VideoWidget(QWidget *parent = 0);
    ~VideoWidget();



private:
    QTimer *timer;
    v4l_device  v4l_dev;
    QLabel *imgLabel;
    QLabel *infoLabel;

    uchar RGBout[MAX_WIDTH*MAX_HEIGHT*3];
    
    QImage *img;
    QPushButton *exitButton;
    QPushButton *saveButton;
    void closeEvent(QCloseEvent *);
    
public slots:
    void sl_start();
    void sl_saveImage();
};

#endif