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Added example of accessing individual pixels

This commit is contained in:
Davis King 2014-12-09 08:08:02 -05:00
parent ca68fc8053
commit bb673f4099
1 changed files with 7 additions and 0 deletions
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7
examples/image_ex.cpp
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@ -86,6 +86,13 @@ int main(int argc, char** argv)
// terminate. // terminate.
win_hot.wait_until_closed(); win_hot.wait_until_closed();
my_window2.wait_until_closed(); my_window2.wait_until_closed();
// Finally, note that you can access the elements of an image using the normal [row][column]
// operator like so:
cout << horz_gradient[0][3] << endl;
cout << "number of rows in image: " << horz_gradient.nr() << endl;
cout << "number of columns in image: " << horz_gradient.nc() << endl;
} }
catch (exception& e) catch (exception& e)
{ {