I do not understand what you mean when you say if weston is running. But I think the weston-wayland is running because the desktop is shown correctly.
2014-05-09 12:47 GMT+02:00 Tomasz Olszak <[email protected]>: > 2014-05-09 12:30 GMT+02:00 Orti Senderos <[email protected]>: > > Hello, > > > > Thank you, Tomasz, for your help, I could succesfully compile Opencv with > > Qt. But when I try to execute this simple example: > > > > #include <opencv2/core/core.hpp> > > #include <opencv2/highgui/highgui.hpp> > > #include <iostream> > > > > using namespace cv; > > using namespace std; > > > > int main( int argc, char** argv ) > > { > > if( argc != 2) > > { > > cout <<" Usage: display_image ImageToLoadAndDisplay" << endl; > > return -1; > > } > > > > Mat image; > > image = imread(argv[1], CV_LOAD_IMAGE_COLOR); // Read the file > > > > if(! image.data ) // Check for invalid > > input > > { > > cout << "Could not open or find the image" << std::endl ; > > return -1; > > } > > > > namedWindow( "Display window", WINDOW_AUTOSIZE );// Create a window > for > > display. > > imshow( "Display window", image ); // Show our > image > > inside it. > > > > waitKey(0); // Wait for a > > keystroke in the window > > return 0; > > } > > > > command line: > > tizen$ ./DisplayImage XYZ.jpg > > > > I get this Error: > > Failed to create display (No such file or directory) > > > > And if i try to execute it as root with this command line: > > > > tizen$ sudo ./DisplayImage XYZ.jpg > > > > I get one more error: > > > > error: XDG_RUNTIME_DIR not set in the environment. > > > > Failed to create display (No such file or directory) > > > > > > Does anyone know how could I solve this problem? > > > It seems that the error comes from > > https://qt.gitorious.org/qt/qtwayland/source/35b4950c045da3d7cb4b684221e2182a2120f555:src/client/qwaylandeventthread.cpp#L46 > > Is it possible that weston didn't run? > > -- > regards, > Tomasz Olszak > Qt for Tizen | http://qt-project.org/wiki/Tizen >
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