The edge color selection is somewhat inaccurate. It is recommended to take the color value 2 pixels away from the edge.

[xybCoder]

Please complete the following information:

• Library Version [e.g. v2.1.0]
• Affected Device(s) [e.g. Samsung Galaxy s10 with Android 9.0]

Describe the Bug:

Add a clear description about the problem.

Expected Behavior:

A clear description of what you expected to happen.

[xybCoder]

Image edge color selection problem