1, the image with irregular line multilateral, return to the position of each point coordinates (the coordinates of image accurately, not on the screen).
2, the scroll wheel in the center of the image to the mouse focus for zoom in (similar to Windows picture viewer)
3, the image editor (transform the mouse status for the shape of the eraser, erase, recovery), similar to the brush in the eraser

Don't use ActiveX, need to consider the browser compatibility, considering the browser platform (Windows, Linux, etc.)

Welcome to Montana

CodePudding user response:

The first existing ideas;
The second has been resolved
Also the remaining third, Montana, please help,