Mouse callback returns wrong coordinates(Resolved)

[bedbad]

System information (version)

OpenCV => 3.1.0 (installed with brew install opencv3)
Operating System / Platform => Mac OSX El Capitan 10.11.6
Compiler => Apple LLVM version 8.0.0 (clang-800.0.38)

Detailed description

I load an image with imread() and display it with imshow(). On the window I set a mouse callback that gives out the coordinates when the image is clicked with the left mouse button. But when the image is too small (for example 100x100px) there is a gray "filling" area in the window where the image is displayed. The problem is, that this results in wrong coordinates when the image is clicked: -The window seems to be 200x100px with 100x100px of the real image and 100x100px of gray filling area -When I click on the right bottom of the image I get the coordinates (49,99) and when I click on the right bottom of the whole window I get the coordinates (99,99)

My teacher compiled the same program on Linux and the image is displayed correctly in a window of 100x100px and correct coordinates in the mouse callback. Steps to reproduce

I attached a zip file which contains: -source code -input image with 100x100px which leads to the error (color_test.jpg) -input image with 300x300px which works correctly -screenshot of how the 100x100px image is displayed with the gray filling area (output.jpg)

[bedbad]

The issue is investigated and resolved as Apple bug in Cocoa graphics support library related to the function window setAutosize(boolean) bugreport is submitted to Apple

[Creolophous]

29201491 apple bug report number.