4 #include <visp3/core/vpConfig.h>
13 #if (defined(VISP_HAVE_ZBAR) || defined(VISP_HAVE_DMTX)) && (defined(VISP_HAVE_V4L2) || \
14 ((VISP_HAVE_OPENCV_VERSION < 0x030000) && defined(HAVE_OPENCV_HIGHGUI))|| ((VISP_HAVE_OPENCV_VERSION >= 0x030000) && defined(HAVE_OPENCV_VIDEOIO)))
16 #include <visp3/core/vpImageConvert.h>
17 #include <visp3/detection/vpDetectorDataMatrixCode.h>
18 #include <visp3/detection/vpDetectorQRCode.h>
19 #include <visp3/gui/vpDisplayFactory.h>
20 #ifdef VISP_HAVE_MODULE_SENSOR
21 #include <visp3/sensor/vpV4l2Grabber.h>
24 #if (VISP_HAVE_OPENCV_VERSION < 0x030000) && defined(HAVE_OPENCV_HIGHGUI)
25 #include <opencv2/highgui/highgui.hpp>
26 #elif (VISP_HAVE_OPENCV_VERSION >= 0x030000) && defined(HAVE_OPENCV_VIDEOIO)
27 #include <opencv2/videoio/videoio.hpp>
30 int main(
int argc,
const char **argv)
32 #ifdef ENABLE_VISP_NAMESPACE
38 for (
int i = 1; i < argc; i++) {
39 if (std::string(argv[i]) ==
"--device" && i + 1 < argc) {
40 opt_device = atoi(argv[++i]);
42 else if (std::string(argv[i]) ==
"--code-type" && i + 1 < argc) {
43 opt_barcode = atoi(argv[++i]);
45 else if (std::string(argv[i]) ==
"--help" || std::string(argv[i]) ==
"-h") {
46 std::cout <<
"Usage: " << argv[0]
47 <<
" [--device <camera number>]"
48 <<
" [--code-type <0 for QR code | 1 for DataMatrix code>]"
54 std::cout <<
"Use device: " << opt_device << std::endl;
56 #if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
57 std::shared_ptr<vpDisplay> display;
65 #if defined(VISP_HAVE_V4L2)
67 std::ostringstream device;
68 device <<
"/dev/video" << opt_device;
72 #elif ((VISP_HAVE_OPENCV_VERSION < 0x030000) && defined(HAVE_OPENCV_HIGHGUI))|| ((VISP_HAVE_OPENCV_VERSION >= 0x030000) && defined(HAVE_OPENCV_VIDEOIO))
73 cv::VideoCapture cap(opt_device);
74 if (!cap.isOpened()) {
75 std::cout <<
"Failed to open the camera" << std::endl;
84 #if (VISP_CXX_STANDARD >= VISP_CXX_STANDARD_11)
92 #if (defined(VISP_HAVE_ZBAR) && defined(VISP_HAVE_DMTX))
94 detector =
new vpDetectorQRCode;
97 #elif defined(VISP_HAVE_ZBAR)
98 detector =
new vpDetectorQRCode;
100 #elif defined(VISP_HAVE_DMTX)
107 #if defined(VISP_HAVE_V4L2)
109 #elif ((VISP_HAVE_OPENCV_VERSION < 0x030000) && defined(HAVE_OPENCV_HIGHGUI))|| ((VISP_HAVE_OPENCV_VERSION >= 0x030000) && defined(HAVE_OPENCV_VIDEOIO))
116 bool status = detector->
detect(I);
117 std::ostringstream legend;
118 legend << detector->
getNbObjects() <<
" bar code detected";
123 std::vector<vpImagePoint> p = detector->
getPolygon(i);
128 for (
size_t j = 0; j < p.size(); j++) {
130 std::ostringstream number;
145 std::cout <<
"Catch an exception: " << e << std::endl;
147 #if (VISP_CXX_STANDARD < VISP_CXX_STANDARD_11)
156 std::cout <<
"There are missing 3rd parties to run this tutorial" << std::endl;
static const vpColor blue
static const vpColor green
std::vector< std::vector< vpImagePoint > > & getPolygon()
vpRect getBBox(size_t i) const
size_t getNbObjects() const
std::vector< std::string > & getMessage()
virtual bool detect(const vpImage< unsigned char > &I)=0
Class that defines generic functionalities for display.
static bool getClick(const vpImage< unsigned char > &I, bool blocking=true)
static void display(const vpImage< unsigned char > &I)
static void displayCross(const vpImage< unsigned char > &I, const vpImagePoint &ip, unsigned int size, const vpColor &color, unsigned int thickness=1)
static void setTitle(const vpImage< unsigned char > &I, const std::string &windowtitle)
static void flush(const vpImage< unsigned char > &I)
static void displayRectangle(const vpImage< unsigned char > &I, const vpImagePoint &topLeft, unsigned int width, unsigned int height, const vpColor &color, bool fill=false, unsigned int thickness=1)
static void displayText(const vpImage< unsigned char > &I, const vpImagePoint &ip, const std::string &s, const vpColor &color)
error that can be emitted by ViSP classes.
static void convert(const vpImage< unsigned char > &src, vpImage< vpRGBa > &dest)
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
unsigned int getHeight() const
Defines a rectangle in the plane.
Class that is a wrapper over the Video4Linux2 (V4L2) driver.
void setScale(unsigned scale=vpV4l2Grabber::DEFAULT_SCALE)
void setDevice(const std::string &devname)
void acquire(vpImage< unsigned char > &I)
std::shared_ptr< vpDisplay > createDisplay()
Return a smart pointer vpDisplay specialization if a GUI library is available or nullptr otherwise.
vpDisplay * allocateDisplay()
Return a newly allocated vpDisplay specialization if a GUI library is available or nullptr otherwise.