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Viewing changes to sw/ext/opencv_bebop/opencv/samples/cpp/tutorial_code/introduction/display_image/display_image.cpp

  • Committer: Paparazzi buildbot
  • Date: 2016-05-18 15:00:29 UTC
  • Revision ID: felix.ruess+docbot@gmail.com-20160518150029-e8lgzi5kvb4p7un9
Manual import commit 4b8bbb730080dac23cf816b98908dacfabe2a8ec from v5.0 branch.

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sw/ext/opencv_bebop/opencv/samples/cpp/tutorial_code/introduction/display_image/display_image.cpp
 
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//! [includes]
 
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#include <opencv2/core/core.hpp>
 
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#include <opencv2/imgcodecs.hpp>
 
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#include <opencv2/highgui/highgui.hpp>
 
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#include <iostream>
 
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#include <string>
 
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//! [includes]
 
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//! [namespace]
 
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using namespace cv;
 
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//! [namespace]
 
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using namespace std;
 
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int main( int argc, char** argv )
 
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{
 
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    //! [load]
 
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    string imageName("../data/HappyFish.jpg"); // by default
 
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    if( argc > 1)
 
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    {
 
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        imageName = argv[1];
 
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    }
 
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    //! [load]
 
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    //! [mat]
 
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    Mat image;
 
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    //! [mat]
 
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    //! [imread]
 
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    image = imread(imageName.c_str(), IMREAD_COLOR); // Read the file
 
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    //! [imread]
 
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    if( image.empty() )                      // Check for invalid input
 
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    {
 
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        cout <<  "Could not open or find the image" << std::endl ;
 
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        return -1;
 
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    }
 
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    //! [window]
 
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    namedWindow( "Display window", WINDOW_AUTOSIZE ); // Create a window for display.
 
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    //! [window]
 
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    //! [imshow]
 
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    imshow( "Display window", image );                // Show our image inside it.
 
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    //! [imshow]
 
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    //! [wait]
 
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    waitKey(0); // Wait for a keystroke in the window
 
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    //! [wait]
 
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    return 0;
 
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}