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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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21
doc/tutorials/introduction/linux_gcc_cmake/linux_gcc_cmake.rst
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@ -30,19 +30,24 @@ Let's use a simple program such as DisplayImage.cpp shown below.
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 );
if( argc != 2 || !image.data )
{ {
printf( "No image data \n" ); printf("usage: DisplayImage.out <Image_Path>\n");
return -1; return -1;
} }
namedWindow( "Display Image", CV_WINDOW_AUTOSIZE ); Mat image;
imshow( "Display Image", image ); image = imread( argv[1], 1 );
if ( !image.data )
{
printf("No image data \n");
return -1;
}
namedWindow("Display Image", CV_WINDOW_AUTOSIZE );
imshow("Display Image", image);
waitKey(0); waitKey(0);