selfImDrawList handle on which this method operates.
user_texture_idRenderer texture identifier (ImTextureID bigint), not an SFML texture object.
p1Ordered vertex or start point p1 in absolute screen coordinates.
p2Ordered vertex or start point p2 in absolute screen coordinates.
p3Ordered vertex or start point p3 in absolute screen coordinates.
p4Ordered vertex or start point p4 in absolute screen coordinates.
Append a textured quadrilateral to the draw list.