|
|
#include "CAM.h"
|
|
|
#include "ui_CAM.h"
|
|
|
#include <QGuiApplication>
|
|
|
#include <QScreen>
|
|
|
#include <QFile>
|
|
|
#include <QPixmap>
|
|
|
#include <QBuffer>
|
|
|
#include "camera.h"
|
|
|
|
|
|
CAM::CAM(QWidget *parent)
|
|
|
: QWidget(parent)
|
|
|
, ui(new Ui::CAM)
|
|
|
{
|
|
|
ui->setupUi(this);
|
|
|
/* 摄像头 */
|
|
|
camera = new Camera(this);
|
|
|
scanCameraDevice();
|
|
|
|
|
|
/* 信号连接槽 */
|
|
|
connect(camera, SIGNAL(readyImage(QImage)),
|
|
|
this, SLOT(showImage(QImage)));
|
|
|
|
|
|
connect(ui->cam_traBut,SIGNAL(clicked(bool)),
|
|
|
camera, SLOT(cameraProcess(bool)));//开启摄像头
|
|
|
|
|
|
connect(ui->cam_playBut, SIGNAL(clicked()),
|
|
|
this, SLOT(saveImageToLocal()));
|
|
|
|
|
|
}
|
|
|
|
|
|
CAM::~CAM()
|
|
|
{
|
|
|
delete ui;
|
|
|
}
|
|
|
void CAM::scanCameraDevice()
|
|
|
{
|
|
|
/* QFile文件指向/dev/video1 */
|
|
|
QFile file("/dev/video1");
|
|
|
|
|
|
file.setFileName("/dev/video1");
|
|
|
|
|
|
if (file.exists())
|
|
|
{
|
|
|
qDebug()<<"camera success" ;
|
|
|
camera->selectCameraDevice(1);//video1
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
qDebug()<<"camera cannot finded" ;
|
|
|
}
|
|
|
}
|
|
|
void CAM::showImage(const QImage &image)
|
|
|
{
|
|
|
/* 显示图像 */
|
|
|
ui->displayLabel->setPixmap(QPixmap::fromImage(image));
|
|
|
saveImage = image;
|
|
|
|
|
|
/* 判断图像是否为空，空则设置拍照按钮不可用 */
|
|
|
if (!saveImage.isNull())
|
|
|
ui->cam_playBut->setEnabled(true);
|
|
|
else
|
|
|
ui->cam_playBut->setEnabled(false);
|
|
|
}
|
|
|
|
|
|
void CAM::saveImageToLocal()
|
|
|
{
|
|
|
/* 判断图像是否为空 */
|
|
|
if (!saveImage.isNull()) {
|
|
|
QString fileName =
|
|
|
QCoreApplication::applicationDirPath() + "/test.png";
|
|
|
qDebug()<<"正在保存"<<fileName<<"图片,请稍候..."<<endl;
|
|
|
|
|
|
/* save(arg1，arg2，arg3)重载函数，arg1代表路径文件名，
|
|
|
* arg2保存的类型，arg3代表保存的质量等级 */
|
|
|
saveImage.save(fileName, "PNG", 1);
|
|
|
|
|
|
/* 设置拍照的图像为显示在photoLabel上 */
|
|
|
ui->cam_albumBut->setPixmap(QPixmap::fromImage(QImage(fileName)));
|
|
|
|
|
|
qDebug()<<"保存完成！"<<endl;
|
|
|
}
|
|
|
}
|
