* @note A valid size is preferable for efficiency.
* However, do not set a size that is bigger than the actual image size, as up-scaling is not available.
* The content of the area not covered by the actual image is undefined and will not be cleared.
* @note A valid size is preferable for efficiency.
* However, do not set a size that is bigger than the actual image size, as up-scaling is not available.
* The content of the area not covered by the actual image is undefined and will not be cleared.