Explanation:

- Babur: He founded the Mughal Empire in 1526. Artists in his time focused more on manuscript illustrations, and his patronage of the arts laid a foundation for future emperors. However, Khwaja Abdus Samad was not his court painter.

- Akbar: A major patron of the arts, Akbar established unique styles and focused on painting, music, and literature. Khwaja Abdus Samad was indeed the court painter under his reign.

- Jahangir: Known for his love of nature and fine painting, Jahangir contributed significantly to the development of the arts but Khwaja Abdus Samad was not his court painter.

- Shahjahan: Famed for architectural accomplishments such as the Taj Mahal, he also valued detailed painting. However, Khwaja Abdus Samad was not his court painter.