"picture frame" problem

When i use a tool «picture frame» - its impedes the work of the program. If visibility of layer (which is located the image) turn on everything work slow. If visibility of layer turn off everything work normal.

Software information

Software versions
Rhinoceros version: 5.2.1 (5C254)
IronPython version: 5.1.2015.131
Language: ru (MacOS default)
OS X version: Version 10.10.5 (Build 14F1909)

What is the pixel size or resolution of the image file you used?

I do not use large files. Make screenshot and use it.

Hi! Do you found a solution of your problem?