Function ImDrawList_AddImageQuad 

pub unsafe extern "C" fn ImDrawList_AddImageQuad(
    this: *mut ImDrawList,
    tex_ref: ImTextureRef,
    p1: *const ImVec2,
    p2: *const ImVec2,
    p3: *const ImVec2,
    p4: *const ImVec2,
    uv1: *const ImVec2,
    uv2: *const ImVec2,
    uv3: *const ImVec2,
    uv4: *const ImVec2,
    col: ImU32,
)