I have always believed that the viewer is an integral part of the painting process. The environment also inserts itself on the paintings visual effect. Though the painting remains the same, each visual effect is as individual as it's owners. Below are a few paintings in their home settings.
the painting contributes to rooms the environment
the wall was painted to enhance the painting
the room was designed with the painting as a focal point
Michael P of Michael P Designs consulted on this interior