#[repr(C)]
pub struct XGCValues {Show fields
pub function: c_int,
pub plane_mask: c_ulong,
pub foreground: c_ulong,
pub background: c_ulong,
pub line_width: c_int,
pub line_style: c_int,
pub cap_style: c_int,
pub join_style: c_int,
pub fill_style: c_int,
pub fill_rule: c_int,
pub arc_mode: c_int,
pub tile: Pixmap,
pub stipple: Pixmap,
pub ts_x_origin: c_int,
pub ts_y_origin: c_int,
pub font: Font,
pub subwindow_mode: c_int,
pub graphics_exposures: Bool,
pub clip_x_origin: c_int,
pub clip_y_origin: c_int,
pub clip_mask: Pixmap,
pub dash_offset: c_int,
pub dashes: c_char,
}