Mouse click to get opencv image coordinates and pixel values

Table of contents

1. Core functions

2. Define and use in the class

1. Declare the callback function directly as a friend function

2、.h

3、DW_S_OnMou.cpp

4、main.cpp、

3. Function call

1、OnMouse.h

2、OnMouse.cpp

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1. Core functions

setMouseCallback(_winname, mouse, reinterpret_cast<void*> (&_image));

void mouse(i