#include?“dialog.h“
#include?“ui_dialog.h“
#include?“imagecamera.h“
#include?

Dialog::Dialog（QWidget?*parent）?:
????QDialog（parent）
????ui（new?Ui::Dialog）
{
????ui->setupUi（this）;

????qRegistermetaType（“QPixmap&“）;

????c?=?new?ImageCamera（“/dev/video0“?this）;
????c->setGrabSize（640?480）;
????connect（c?SIGNAL（image（QPixmap&））?this?SLOT（showImg（QPixmap&））?Qt::QueuedConnection）;
????if（!c->initCamera（））
????{
????????QMessageBox::information（this?QString（）?c->errorString（））;
????????return;
????}

????if（!c->startGrab（））
????{
????????QMessageBox::information（this?QString（）?c->errorString（））;
????????return;
????}
}

Dialog::~Dialog（）
{
????c->stopGrab（）;
????c->releaseCamera（）;

????delete?ui;
}

void?Dialog::showImg（QPixmap?&img）
{
????ui->lb->setPixmap（i

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????164??2018-10-26?17:01??main.cpp

?????文件???????1044??2018-11-01?16:38??TestCamera.pro

?????文件????1101680??2018-11-01?16:58??bin\TestCamera

?????文件????????808??2018-11-01?16:41??dialog.cpp

?????文件????????359??2018-11-01?16:38??dialog.h

?????文件????????620??2018-11-01?16:41??dialog.ui

?????文件??????12381??2018-11-01?16:58??imagecamera.cpp

?????文件???????1523??2018-11-01?16:45??imagecamera.h

?????目錄??????????0??2018-11-01?16:58??bin

-----------?---------??----------?-----??----

??????????????1118579????????????????????9