6.5.3.2.1 Rectangle Fill and Clear

Rectangle fill suffuses a rectangle area with a given color. Rectangle fill is a pattern fill, where the pattern is initialized with the specified color.

Clear is similar to rectangle fill except that it does not does not use a pattern. A 32-bit clear value with 4-bit byte mask is used to fill the entire rectangle area.

Rectangle fill and Clear operations support clipping. Clipping can be performed on a primitive basis.