camerawindow.cpp
1.44 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
#include "camerawindow.h"
#include "ui_camerawindow.h"
CameraWindow::CameraWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::CameraWindow),
hasResolution(false)
{
ui->setupUi(this);
cameraSurface = new CameraSurface();
camera = new QCamera();
capture = new QCameraImageCapture( camera );
camera->setViewfinder(cameraSurface);
camera->setCaptureMode(QCamera::CaptureStillImage);
camera->start();
zxing = new QZXing( QZXing::DecoderFormat_QR_CODE, this );
//connect(zxing, SIGNAL(tagFound(QString)), this, SLOT(show_result(QString)));
connect(cameraSurface, SIGNAL(novoFrame(QByteArray&,int,int)), this, SLOT(frameHandler(QByteArray&,int,int)));
}
CameraWindow::~CameraWindow()
{
delete ui;
delete cameraSurface;
delete camera;
delete capture;
delete viewfinder;
delete zxing;
delete img;
delete buffer;
}
void CameraWindow::frameHandler(QByteArray &buff, int w, int h)
{
if (!hasResolution) {
img = new QImage( w, h, QImage::Format_RGB32 );
hasResolution = true;
}
u_int32_t* data = (u_int32_t*)buff.data();
for(int y = 0; y < h; ++y) {
QRgb* scan = (QRgb*)img->scanLine(y);
for(int x = 0; x < w; ++x) {
scan[x] = data[y * w + x];
}
}
zxing->decodeImage( *img, w, h, true );
QImage imgTmp = img->scaled(w*.30, h*.30);
//ui->label->setPixmap(QPixmap::fromImage(imgTmp));
buff.clear();
}