replace only the material fabric on the selected ceiling and wall areas using the provided fabric sample perform a local material edit only do not regenerate the room everything outside the selected ceiling and wall areas must remain pixel identical to the original image do not change image size dimensions aspect ratio resolution camera angle perspective framing composition lighting shadows furniture wood paneling trims ceiling lights vents or any architectural detail keep the ceiling and walls exactly the same in shape slope proportions seams edges and panel layout apply the new fabric only to the existing ceiling and wall surfaces with correct texture correct scale correct pattern orientation and photorealistic materiality if the edit cannot be done without changing other elements leave the image unchanged only replace the ceiling and wall fabric material
