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Merge pull request #2363 from alekcac:introduction_tut_fix

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Roman Donchenko 2014-02-18 11:56:57 +04:00 committed by OpenCV Buildbot
commit 13182da945
1 changed files with 22 additions and 17 deletions
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39
doc/tutorials/introduction/linux_gcc_cmake/linux_gcc_cmake.rst
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@ -25,29 +25,34 @@ Let's use a simple program such as DisplayImage.cpp shown below.
.. code-block:: cpp .. code-block:: cpp
#include <stdio.h> #include <stdio.h>
#include <opencv2/opencv.hpp> #include <opencv2/opencv.hpp>
using namespace cv; using namespace cv;
int main( int argc, char** argv ) int main(int argc, char** argv )
{ {
Mat image; if ( argc != 2 )
image = imread( argv[1], 1 ); {
printf("usage: DisplayImage.out <Image_Path>\n");
return -1;
}
if( argc != 2 || !image.data ) Mat image;
{ image = imread( argv[1], 1 );
printf( "No image data \n" );
return -1;
}
namedWindow( "Display Image", CV_WINDOW_AUTOSIZE ); if ( !image.data )
imshow( "Display Image", image ); {
printf("No image data \n");
return -1;
}
namedWindow("Display Image", CV_WINDOW_AUTOSIZE );
imshow("Display Image", image);
waitKey(0); waitKey(0);
return 0; return 0;
} }
Create a CMake file Create a CMake file
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