// Take a look at the license at the top of the repository in the LICENSE file.

#![allow(non_camel_case_types)]
#![allow(clippy::unreadable_literal)]
#![allow(clippy::write_literal)]
#![allow(clippy::upper_case_acronyms)]
#![cfg_attr(docsrs, feature(doc_cfg))]

extern crate libc;

#[cfg(feature = "xlib")]
extern crate x11;

#[cfg(all(windows, feature = "win32-surface"))]
extern crate winapi as winapi_orig;

#[cfg(all(windows, feature = "win32-surface"))]
#[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
pub mod winapi {
    pub use winapi_orig::shared::windef::HDC;
}

#[cfg(all(docsrs, not(all(windows, feature = "win32-surface"))))]
#[cfg_attr(
    docsrs,
    doc(cfg(all(docsrs, not(all(windows, feature = "win32-surface")))))
)]
pub mod winapi {
    use libc::c_void;

    #[repr(C)]
    pub struct HDC(c_void);
}

use libc::{c_char, c_double, c_int, c_uchar, c_uint, c_ulong, c_void};

#[cfg(feature = "xlib")]
use x11::xlib;

pub type cairo_antialias_t = c_int;
pub type cairo_content_t = c_int;
pub type cairo_device_type_t = c_int;
pub type cairo_extend_t = c_int;
pub type cairo_fill_rule_t = c_int;
pub type cairo_filter_t = c_int;
pub type cairo_font_slant_t = c_int;
pub type cairo_font_type_t = c_int;
pub type cairo_font_weight_t = c_int;
pub type cairo_format_t = c_int;
pub type cairo_ft_synthesize_t = c_uint;
pub type cairo_hint_metrics_t = c_int;
pub type cairo_hint_style_t = c_int;
pub type cairo_line_cap_t = c_int;
pub type cairo_line_join_t = c_int;
pub type cairo_operator_t = c_int;
pub type cairo_pattern_type_t = c_int;
pub type cairo_path_data_type_t = c_int;
pub type cairo_region_overlap_t = c_int;
#[cfg(feature = "script")]
#[cfg_attr(docsrs, doc(cfg(feature = "script")))]
pub type cairo_script_mode_t = c_int;
pub type cairo_status_t = c_int;
pub type cairo_subpixel_order_t = c_int;
pub type cairo_surface_type_t = c_int;
#[cfg(all(feature = "svg", feature = "v1_16"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "svg", feature = "v1_16"))))]
pub type cairo_svg_unit_t = c_int;
pub type cairo_text_cluster_flags_t = c_int;

#[cfg(all(feature = "pdf", feature = "v1_16"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_16"))))]
pub type cairo_pdf_outline_flags_t = c_int;
#[cfg(all(feature = "pdf", feature = "v1_16"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_16"))))]
pub type cairo_pdf_metadata_t = c_int;
#[cfg(feature = "pdf")]
#[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
pub type cairo_pdf_version_t = c_int;
#[cfg(feature = "svg")]
#[cfg_attr(docsrs, doc(cfg(feature = "svg")))]
pub type cairo_svg_version_t = c_int;
#[cfg(feature = "ps")]
#[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
pub type cairo_ps_level_t = c_int;

pub type cairo_mesh_corner_t = c_uint;

macro_rules! opaque {
    ($(#[$attr:meta])*
     $name:ident) => {
        // https://doc.rust-lang.org/nomicon/ffi.html#representing-opaque-structs
        $(#[$attr])*
        #[repr(C)]
        pub struct $name {
            _data: [u8; 0],
            _marker: core::marker::PhantomData<(*mut u8, core::marker::PhantomPinned)>,
        }
        $(#[$attr])*
        impl ::std::fmt::Debug for $name {
            fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
                write!(f, "{} @ {:?}", stringify!($name), self as *const _)
            }
        }
    };
}

opaque!(cairo_t);
opaque!(cairo_surface_t);
opaque!(cairo_device_t);
opaque!(cairo_pattern_t);

opaque!(
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    xcb_connection_t
);

#[cfg(feature = "xcb")]
#[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
pub type xcb_drawable_t = u32;

#[cfg(feature = "xcb")]
#[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
pub type xcb_pixmap_t = u32;

opaque!(
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    xcb_visualtype_t // has visible fields in <xcb/xproto.h>
);

opaque!(
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    xcb_screen_t // has visible fields in <xcb/xproto.h>
);

opaque!(
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    xcb_render_pictforminfo_t // has visible fields in <xcb/render.h>
);

#[repr(C)]
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct cairo_rectangle_t {
    pub x: f64,
    pub y: f64,
    pub width: f64,
    pub height: f64,
}
#[repr(C)]
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub struct cairo_rectangle_int_t {
    pub x: i32,
    pub y: i32,
    pub width: i32,
    pub height: i32,
}
#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct cairo_rectangle_list_t {
    pub status: cairo_status_t,
    pub rectangles: *mut cairo_rectangle_t,
    pub num_rectangles: c_int,
}
#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct cairo_path_t {
    pub status: cairo_status_t,
    pub data: *mut cairo_path_data,
    pub num_data: c_int,
}
#[repr(C)]
#[derive(Debug, Clone, Copy)]
pub struct cairo_path_data_header {
    pub data_type: cairo_path_data_type_t,
    pub length: c_int,
}
#[repr(C)]
#[derive(Clone, Copy)]
pub union cairo_path_data {
    pub header: cairo_path_data_header,
    pub point: [f64; 2],
}

opaque!(cairo_region_t);
opaque!(cairo_font_face_t);
opaque!(cairo_scaled_font_t);
opaque!(cairo_font_options_t);

#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct cairo_font_extents_t {
    pub ascent: c_double,
    pub descent: c_double,
    pub height: c_double,
    pub max_x_advance: c_double,
    pub max_y_advance: c_double,
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct cairo_glyph_t {
    pub index: c_ulong,
    pub x: c_double,
    pub y: c_double,
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct cairo_text_cluster_t {
    pub num_bytes: c_int,
    pub num_glyphs: c_int,
}
#[repr(C)]
#[derive(Clone, Copy, Debug)]
pub struct cairo_text_extents_t {
    pub x_bearing: c_double,
    pub y_bearing: c_double,
    pub width: c_double,
    pub height: c_double,
    pub x_advance: c_double,
    pub y_advance: c_double,
}
#[repr(C)]
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct cairo_matrix_t {
    pub xx: c_double,
    pub yx: c_double,

    pub xy: c_double,
    pub yy: c_double,

    pub x0: c_double,
    pub y0: c_double,
}

impl ::std::fmt::Display for cairo_matrix_t {
    fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result {
        write!(f, "Matrix")
    }
}

#[repr(C)]
#[derive(Clone, Copy, Default, Debug)]
pub struct cairo_user_data_key_t {
    pub unused: c_int,
}
#[repr(transparent)]
#[derive(Debug, Clone, Copy)]
pub struct cairo_bool_t {
    value: c_int,
}

impl cairo_bool_t {
    pub fn as_bool(self) -> bool {
        self.value != 0
    }
}

impl From<bool> for cairo_bool_t {
    fn from(b: bool) -> cairo_bool_t {
        let value = c_int::from(b);
        cairo_bool_t { value }
    }
}

pub type CGContextRef = *mut c_void;

pub type cairo_destroy_func_t = Option<unsafe extern "C" fn(*mut c_void)>;
pub type cairo_read_func_t =
    Option<unsafe extern "C" fn(*mut c_void, *mut c_uchar, c_uint) -> cairo_status_t>;
pub type cairo_write_func_t =
    Option<unsafe extern "C" fn(*mut c_void, *mut c_uchar, c_uint) -> cairo_status_t>;

#[cfg(feature = "freetype")]
#[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
pub type FT_Face = *mut c_void;
#[cfg(feature = "freetype")]
#[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
pub type FcPattern = c_void;

pub type cairo_user_scaled_font_init_func_t = Option<
    unsafe extern "C" fn(
        scaled_font: *mut cairo_scaled_font_t,
        cr: *mut cairo_t,
        extents: *mut cairo_font_extents_t,
    ) -> cairo_status_t,
>;
pub type cairo_user_scaled_font_render_glyph_func_t = Option<
    unsafe extern "C" fn(
        scaled_font: *mut cairo_scaled_font_t,
        glyph: c_ulong,
        cr: *mut cairo_t,
        extents: *mut cairo_text_extents_t,
    ) -> cairo_status_t,
>;
pub type cairo_user_scaled_font_text_to_glyphs_func_t = Option<
    unsafe extern "C" fn(
        scaled_font: *mut cairo_scaled_font_t,
        utf8: *const c_char,
        utf8_len: c_int,
        glyphs: *mut *mut cairo_glyph_t,
        num_glyphs: *mut c_int,
        clusters: *mut *mut cairo_text_cluster_t,
        num_clusters: *mut c_int,
        cluster_flags: *mut cairo_text_cluster_flags_t,
    ) -> cairo_status_t,
>;
pub type cairo_user_scaled_font_unicode_to_glyph_func_t = Option<
    unsafe extern "C" fn(
        scaled_font: *mut cairo_scaled_font_t,
        unicode: c_ulong,
        glyph_index: *mut c_ulong,
    ) -> cairo_status_t,
>;

extern "C" {
    pub fn cairo_create(target: *mut cairo_surface_t) -> *mut cairo_t;
    pub fn cairo_reference(cr: *mut cairo_t) -> *mut cairo_t;
    pub fn cairo_destroy(cr: *mut cairo_t);
    pub fn cairo_status(cr: *mut cairo_t) -> cairo_status_t;
    pub fn cairo_save(cr: *mut cairo_t);
    pub fn cairo_restore(cr: *mut cairo_t);
    pub fn cairo_get_target(cr: *mut cairo_t) -> *mut cairo_surface_t;
    pub fn cairo_push_group(cr: *mut cairo_t);
    pub fn cairo_push_group_with_content(cr: *mut cairo_t, content: cairo_content_t);
    pub fn cairo_pop_group(cr: *mut cairo_t) -> *mut cairo_pattern_t;
    pub fn cairo_pop_group_to_source(cr: *mut cairo_t);
    pub fn cairo_get_group_target(cr: *mut cairo_t) -> *mut cairo_surface_t;
    pub fn cairo_set_source_rgb(cr: *mut cairo_t, red: c_double, green: c_double, blue: c_double);
    pub fn cairo_set_source_rgba(
        cr: *mut cairo_t,
        red: c_double,
        green: c_double,
        blue: c_double,
        alpha: c_double,
    );
    pub fn cairo_set_source(cr: *mut cairo_t, source: *mut cairo_pattern_t);
    pub fn cairo_set_source_surface(
        cr: *mut cairo_t,
        surface: *mut cairo_surface_t,
        x: c_double,
        y: c_double,
    );
    pub fn cairo_get_source(cr: *mut cairo_t) -> *mut cairo_pattern_t;
    pub fn cairo_set_antialias(cr: *mut cairo_t, antialias: cairo_antialias_t);
    pub fn cairo_get_antialias(cr: *mut cairo_t) -> cairo_antialias_t;
    pub fn cairo_set_dash(
        cr: *mut cairo_t,
        dashes: *const c_double,
        num_dashes: c_int,
        offset: c_double,
    );
    pub fn cairo_get_dash_count(cr: *mut cairo_t) -> c_int;
    pub fn cairo_get_dash(cr: *mut cairo_t, dashes: *mut c_double, offset: *mut c_double);
    pub fn cairo_set_fill_rule(cr: *mut cairo_t, fill_rule: cairo_fill_rule_t);
    pub fn cairo_get_fill_rule(cr: *mut cairo_t) -> cairo_fill_rule_t;
    pub fn cairo_set_line_cap(cr: *mut cairo_t, line_cap: cairo_line_cap_t);
    pub fn cairo_get_line_cap(cr: *mut cairo_t) -> cairo_line_cap_t;
    pub fn cairo_set_line_join(cr: *mut cairo_t, line_join: cairo_line_join_t);
    pub fn cairo_get_line_join(cr: *mut cairo_t) -> cairo_line_join_t;
    pub fn cairo_set_line_width(cr: *mut cairo_t, width: c_double);
    pub fn cairo_get_line_width(cr: *mut cairo_t) -> c_double;
    #[cfg(feature = "v1_18")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
    pub fn cairo_set_hairline(cr: *mut cairo_t, set_hairline: cairo_bool_t);
    #[cfg(feature = "v1_18")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_18")))]
    pub fn cairo_get_hairline(cr: *mut cairo_t) -> cairo_bool_t;
    pub fn cairo_set_miter_limit(cr: *mut cairo_t, limit: c_double);
    pub fn cairo_get_miter_limit(cr: *mut cairo_t) -> c_double;
    pub fn cairo_set_operator(cr: *mut cairo_t, op: cairo_operator_t);
    pub fn cairo_get_operator(cr: *mut cairo_t) -> cairo_operator_t;
    pub fn cairo_set_tolerance(cr: *mut cairo_t, tolerance: c_double);
    pub fn cairo_get_tolerance(cr: *mut cairo_t) -> c_double;
    pub fn cairo_clip(cr: *mut cairo_t);
    pub fn cairo_clip_preserve(cr: *mut cairo_t);
    pub fn cairo_clip_extents(
        cr: *mut cairo_t,
        x1: *mut c_double,
        y1: *mut c_double,
        x2: *mut c_double,
        y2: *mut c_double,
    );
    pub fn cairo_in_clip(cr: *mut cairo_t, x: c_double, y: c_double) -> cairo_bool_t;
    pub fn cairo_reset_clip(cr: *mut cairo_t);
    pub fn cairo_rectangle_list_destroy(rectangle_list: *mut cairo_rectangle_list_t);
    pub fn cairo_copy_clip_rectangle_list(cr: *mut cairo_t) -> *mut cairo_rectangle_list_t;
    pub fn cairo_fill(cr: *mut cairo_t);
    pub fn cairo_fill_preserve(cr: *mut cairo_t);
    pub fn cairo_fill_extents(
        cr: *mut cairo_t,
        x1: *mut c_double,
        y1: *mut c_double,
        x2: *mut c_double,
        y2: *mut c_double,
    );
    pub fn cairo_in_fill(cr: *mut cairo_t, x: c_double, y: c_double) -> cairo_bool_t;
    pub fn cairo_mask(cr: *mut cairo_t, pattern: *mut cairo_pattern_t);
    pub fn cairo_mask_surface(
        cr: *mut cairo_t,
        surface: *mut cairo_surface_t,
        surface_x: c_double,
        surface_y: c_double,
    );
    pub fn cairo_paint(cr: *mut cairo_t);
    pub fn cairo_paint_with_alpha(cr: *mut cairo_t, alpha: c_double);
    pub fn cairo_stroke(cr: *mut cairo_t);
    pub fn cairo_stroke_preserve(cr: *mut cairo_t);
    pub fn cairo_stroke_extents(
        cr: *mut cairo_t,
        x1: *mut c_double,
        y1: *mut c_double,
        x2: *mut c_double,
        y2: *mut c_double,
    );
    pub fn cairo_in_stroke(cr: *mut cairo_t, x: c_double, y: c_double) -> cairo_bool_t;
    pub fn cairo_copy_page(cr: *mut cairo_t);
    pub fn cairo_show_page(cr: *mut cairo_t);
    pub fn cairo_get_reference_count(cr: *mut cairo_t) -> c_uint;
    #[cfg(feature = "v1_16")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
    pub fn cairo_tag_begin(cr: *mut cairo_t, tag_name: *const c_char, attributes: *const c_char);
    #[cfg(feature = "v1_16")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
    pub fn cairo_tag_end(cr: *mut cairo_t, tag_name: *const c_char);

    // CAIRO UTILS
    pub fn cairo_status_to_string(status: cairo_status_t) -> *const c_char;
    pub fn cairo_debug_reset_static_data();
    pub fn cairo_version() -> c_int;
    pub fn cairo_version_string() -> *const c_char;

    // CAIRO PATHS
    pub fn cairo_copy_path(cr: *mut cairo_t) -> *mut cairo_path_t;
    pub fn cairo_copy_path_flat(cr: *mut cairo_t) -> *mut cairo_path_t;
    pub fn cairo_path_destroy(path: *mut cairo_path_t);
    pub fn cairo_append_path(cr: *mut cairo_t, path: *mut cairo_path_t);
    pub fn cairo_has_current_point(cr: *mut cairo_t) -> cairo_bool_t;
    pub fn cairo_get_current_point(cr: *mut cairo_t, x: *mut c_double, y: *mut c_double);
    pub fn cairo_new_path(cr: *mut cairo_t);
    pub fn cairo_new_sub_path(cr: *mut cairo_t);
    pub fn cairo_close_path(cr: *mut cairo_t);
    pub fn cairo_arc(
        cr: *mut cairo_t,
        xc: c_double,
        yc: c_double,
        radius: c_double,
        angle1: c_double,
        angle2: c_double,
    );
    pub fn cairo_arc_negative(
        cr: *mut cairo_t,
        xc: c_double,
        yc: c_double,
        radius: c_double,
        angle1: c_double,
        angle2: c_double,
    );
    pub fn cairo_curve_to(
        cr: *mut cairo_t,
        x1: c_double,
        y1: c_double,
        x2: c_double,
        y2: c_double,
        x3: c_double,
        y3: c_double,
    );
    pub fn cairo_line_to(cr: *mut cairo_t, x: c_double, y: c_double);
    pub fn cairo_move_to(cr: *mut cairo_t, x: c_double, y: c_double);
    pub fn cairo_rectangle(
        cr: *mut cairo_t,
        x: c_double,
        y: c_double,
        width: c_double,
        height: c_double,
    );
    pub fn cairo_glyph_path(cr: *mut cairo_t, glyphs: *const cairo_glyph_t, num_glyphs: c_int);
    pub fn cairo_text_path(cr: *mut cairo_t, utf8: *const c_char);
    pub fn cairo_rel_curve_to(
        cr: *mut cairo_t,
        dx1: c_double,
        dy1: c_double,
        dx2: c_double,
        dy2: c_double,
        dx3: c_double,
        dy3: c_double,
    );
    pub fn cairo_rel_line_to(cr: *mut cairo_t, dx: c_double, dy: c_double);
    pub fn cairo_rel_move_to(cr: *mut cairo_t, dx: c_double, dy: c_double);
    pub fn cairo_path_extents(
        cr: *mut cairo_t,
        x1: *mut c_double,
        y1: *mut c_double,
        x2: *mut c_double,
        y2: *mut c_double,
    );

    // CAIRO TRANSFORMATIONS
    pub fn cairo_translate(cr: *mut cairo_t, tx: c_double, ty: c_double);
    pub fn cairo_scale(cr: *mut cairo_t, sx: c_double, sy: c_double);
    pub fn cairo_rotate(cr: *mut cairo_t, angle: c_double);
    pub fn cairo_transform(cr: *mut cairo_t, matrix: *const cairo_matrix_t);
    pub fn cairo_set_matrix(cr: *mut cairo_t, matrix: *const cairo_matrix_t);
    pub fn cairo_get_matrix(cr: *mut cairo_t, matrix: *mut cairo_matrix_t);
    pub fn cairo_identity_matrix(cr: *mut cairo_t);
    pub fn cairo_user_to_device(cr: *mut cairo_t, x: *mut c_double, y: *mut c_double);
    pub fn cairo_user_to_device_distance(cr: *mut cairo_t, dx: *mut c_double, dy: *mut c_double);
    pub fn cairo_device_to_user(cr: *mut cairo_t, x: *mut c_double, y: *mut c_double);
    pub fn cairo_device_to_user_distance(cr: *mut cairo_t, dx: *mut c_double, dy: *mut c_double);

    // CAIRO PATTERNS
    pub fn cairo_pattern_add_color_stop_rgb(
        pattern: *mut cairo_pattern_t,
        offset: c_double,
        red: c_double,
        green: c_double,
        blue: c_double,
    );
    pub fn cairo_pattern_add_color_stop_rgba(
        pattern: *mut cairo_pattern_t,
        offset: c_double,
        red: c_double,
        green: c_double,
        blue: c_double,
        alpha: c_double,
    );
    pub fn cairo_pattern_get_color_stop_count(
        pattern: *mut cairo_pattern_t,
        count: *mut c_int,
    ) -> cairo_status_t;
    pub fn cairo_pattern_get_color_stop_rgba(
        pattern: *mut cairo_pattern_t,
        index: c_int,
        offset: *mut c_double,
        red: *mut c_double,
        green: *mut c_double,
        blue: *mut c_double,
        alpha: *mut c_double,
    ) -> cairo_status_t;
    pub fn cairo_pattern_create_rgb(
        red: c_double,
        green: c_double,
        blue: c_double,
    ) -> *mut cairo_pattern_t;
    pub fn cairo_pattern_create_rgba(
        red: c_double,
        green: c_double,
        blue: c_double,
        alpha: c_double,
    ) -> *mut cairo_pattern_t;
    pub fn cairo_pattern_get_rgba(
        pattern: *mut cairo_pattern_t,
        red: *mut c_double,
        green: *mut c_double,
        blue: *mut c_double,
        alpha: *mut c_double,
    ) -> cairo_status_t;
    pub fn cairo_pattern_create_for_surface(surface: *mut cairo_surface_t) -> *mut cairo_pattern_t;
    pub fn cairo_pattern_get_surface(
        pattern: *mut cairo_pattern_t,
        surface: *mut *mut cairo_surface_t,
    ) -> cairo_status_t;
    pub fn cairo_pattern_create_linear(
        x0: c_double,
        y0: c_double,
        x1: c_double,
        y1: c_double,
    ) -> *mut cairo_pattern_t;
    pub fn cairo_pattern_get_linear_points(
        pattern: *mut cairo_pattern_t,
        x0: *mut c_double,
        y0: *mut c_double,
        x1: *mut c_double,
        y1: *mut c_double,
    ) -> cairo_status_t;
    pub fn cairo_pattern_create_radial(
        cx0: c_double,
        cy0: c_double,
        radius0: c_double,
        cx1: c_double,
        cy1: c_double,
        radius1: c_double,
    ) -> *mut cairo_pattern_t;
    pub fn cairo_pattern_get_radial_circles(
        pattern: *mut cairo_pattern_t,
        x0: *mut c_double,
        y0: *mut c_double,
        r0: *mut c_double,
        x1: *mut c_double,
        y1: *mut c_double,
        r1: *mut c_double,
    ) -> cairo_status_t;
    pub fn cairo_pattern_create_mesh() -> *mut cairo_pattern_t;
    pub fn cairo_mesh_pattern_begin_patch(pattern: *mut cairo_pattern_t);
    pub fn cairo_mesh_pattern_end_patch(pattern: *mut cairo_pattern_t);
    pub fn cairo_mesh_pattern_move_to(pattern: *mut cairo_pattern_t, x: c_double, y: c_double);
    pub fn cairo_mesh_pattern_line_to(pattern: *mut cairo_pattern_t, x: c_double, y: c_double);
    pub fn cairo_mesh_pattern_curve_to(
        pattern: *mut cairo_pattern_t,
        x1: c_double,
        y1: c_double,
        x2: c_double,
        y2: c_double,
        x3: c_double,
        y3: c_double,
    );
    pub fn cairo_mesh_pattern_set_control_point(
        pattern: *mut cairo_pattern_t,
        point_num: cairo_mesh_corner_t,
        x: c_double,
        y: c_double,
    );
    pub fn cairo_mesh_pattern_set_corner_color_rgb(
        pattern: *mut cairo_pattern_t,
        corner_num: cairo_mesh_corner_t,
        red: c_double,
        green: c_double,
        blue: c_double,
    );
    pub fn cairo_mesh_pattern_set_corner_color_rgba(
        pattern: *mut cairo_pattern_t,
        corner_num: cairo_mesh_corner_t,
        red: c_double,
        green: c_double,
        blue: c_double,
        alpha: c_double,
    );
    pub fn cairo_mesh_pattern_get_patch_count(
        pattern: *mut cairo_pattern_t,
        count: *mut c_uint,
    ) -> cairo_status_t;
    pub fn cairo_mesh_pattern_get_path(
        pattern: *mut cairo_pattern_t,
        patch_num: c_uint,
    ) -> *mut cairo_path_t;
    pub fn cairo_mesh_pattern_get_control_point(
        pattern: *mut cairo_pattern_t,
        patch_num: c_uint,
        point_num: cairo_mesh_corner_t,
        x: *mut c_double,
        y: *mut c_double,
    ) -> cairo_status_t;
    pub fn cairo_mesh_pattern_get_corner_color_rgba(
        pattern: *mut cairo_pattern_t,
        patch_num: c_uint,
        corner_num: cairo_mesh_corner_t,
        red: *mut c_double,
        green: *mut c_double,
        blue: *mut c_double,
        alpha: *mut c_double,
    ) -> cairo_status_t;
    pub fn cairo_pattern_reference(pattern: *mut cairo_pattern_t) -> *mut cairo_pattern_t;
    pub fn cairo_pattern_destroy(pattern: *mut cairo_pattern_t);
    pub fn cairo_pattern_status(pattern: *mut cairo_pattern_t) -> cairo_status_t;
    pub fn cairo_pattern_set_extend(pattern: *mut cairo_pattern_t, extend: cairo_extend_t);
    pub fn cairo_pattern_get_extend(pattern: *mut cairo_pattern_t) -> cairo_extend_t;
    pub fn cairo_pattern_set_filter(pattern: *mut cairo_pattern_t, filter: cairo_filter_t);
    pub fn cairo_pattern_get_filter(pattern: *mut cairo_pattern_t) -> cairo_filter_t;
    pub fn cairo_pattern_set_matrix(pattern: *mut cairo_pattern_t, matrix: *const cairo_matrix_t);
    pub fn cairo_pattern_get_matrix(pattern: *mut cairo_pattern_t, matrix: *mut cairo_matrix_t);
    pub fn cairo_pattern_get_type(pattern: *mut cairo_pattern_t) -> cairo_pattern_type_t;
    pub fn cairo_pattern_get_reference_count(pattern: *mut cairo_pattern_t) -> c_uint;
    pub fn cairo_pattern_set_user_data(
        pattern: *mut cairo_pattern_t,
        key: *const cairo_user_data_key_t,
        user_data: *mut c_void,
        destroy: cairo_destroy_func_t,
    ) -> cairo_status_t;
    pub fn cairo_pattern_get_user_data(
        pattern: *mut cairo_pattern_t,
        key: *const cairo_user_data_key_t,
    ) -> *mut c_void;

    // CAIRO REGIONS
    pub fn cairo_region_create() -> *mut cairo_region_t;
    pub fn cairo_region_create_rectangle(
        rectangle: *mut cairo_rectangle_int_t,
    ) -> *mut cairo_region_t;
    pub fn cairo_region_create_rectangles(
        rects: *mut cairo_rectangle_int_t,
        count: c_int,
    ) -> *mut cairo_region_t;
    pub fn cairo_region_copy(original: *mut cairo_region_t) -> *mut cairo_region_t;
    pub fn cairo_region_reference(region: *mut cairo_region_t) -> *mut cairo_region_t;
    pub fn cairo_region_destroy(region: *mut cairo_region_t);
    pub fn cairo_region_status(region: *mut cairo_region_t) -> cairo_status_t;
    pub fn cairo_region_get_extents(
        region: *mut cairo_region_t,
        extents: *mut cairo_rectangle_int_t,
    );
    pub fn cairo_region_num_rectangles(region: *mut cairo_region_t) -> c_int;
    pub fn cairo_region_get_rectangle(
        region: *mut cairo_region_t,
        nth: c_int,
        rectangle: *mut cairo_rectangle_int_t,
    );
    pub fn cairo_region_is_empty(region: *mut cairo_region_t) -> cairo_bool_t;
    pub fn cairo_region_contains_point(
        region: *mut cairo_region_t,
        x: c_int,
        y: c_int,
    ) -> cairo_bool_t;
    pub fn cairo_region_contains_rectangle(
        region: *mut cairo_region_t,
        rectangle: *mut cairo_rectangle_int_t,
    ) -> cairo_region_overlap_t;
    pub fn cairo_region_equal(a: *mut cairo_region_t, b: *mut cairo_region_t) -> cairo_bool_t;
    pub fn cairo_region_translate(region: *mut cairo_region_t, dx: c_int, dy: c_int);
    pub fn cairo_region_intersect(
        dst: *mut cairo_region_t,
        other: *mut cairo_region_t,
    ) -> cairo_status_t;
    pub fn cairo_region_intersect_rectangle(
        dst: *mut cairo_region_t,
        rectangle: *mut cairo_rectangle_int_t,
    ) -> cairo_status_t;
    pub fn cairo_region_subtract(
        dst: *mut cairo_region_t,
        other: *mut cairo_region_t,
    ) -> cairo_status_t;
    pub fn cairo_region_subtract_rectangle(
        dst: *mut cairo_region_t,
        rectangle: *mut cairo_rectangle_int_t,
    ) -> cairo_status_t;
    pub fn cairo_region_union(
        dst: *mut cairo_region_t,
        other: *mut cairo_region_t,
    ) -> cairo_status_t;
    pub fn cairo_region_union_rectangle(
        dst: *mut cairo_region_t,
        rectangle: *mut cairo_rectangle_int_t,
    ) -> cairo_status_t;
    pub fn cairo_region_xor(dst: *mut cairo_region_t, other: *mut cairo_region_t)
        -> cairo_status_t;
    pub fn cairo_region_xor_rectangle(
        dst: *mut cairo_region_t,
        rectangle: *mut cairo_rectangle_int_t,
    ) -> cairo_status_t;

    // text
    pub fn cairo_select_font_face(
        cr: *mut cairo_t,
        family: *const c_char,
        slant: cairo_font_slant_t,
        weight: cairo_font_weight_t,
    );
    pub fn cairo_set_font_size(cr: *mut cairo_t, size: c_double);
    pub fn cairo_set_font_matrix(cr: *mut cairo_t, matrix: *const cairo_matrix_t);
    pub fn cairo_get_font_matrix(cr: *mut cairo_t, matrix: *mut cairo_matrix_t);
    pub fn cairo_set_font_options(cr: *mut cairo_t, options: *const cairo_font_options_t);
    pub fn cairo_get_font_options(cr: *mut cairo_t, options: *mut cairo_font_options_t);
    pub fn cairo_set_font_face(cr: *mut cairo_t, font_face: *mut cairo_font_face_t);
    pub fn cairo_get_font_face(cr: *mut cairo_t) -> *mut cairo_font_face_t;
    pub fn cairo_set_scaled_font(cr: *mut cairo_t, scaled_font: *mut cairo_scaled_font_t);
    pub fn cairo_get_scaled_font(cr: *mut cairo_t) -> *mut cairo_scaled_font_t;
    pub fn cairo_show_text(cr: *mut cairo_t, utf8: *const c_char);
    pub fn cairo_show_glyphs(cr: *mut cairo_t, glyphs: *const cairo_glyph_t, num_glyphs: c_int);
    pub fn cairo_show_text_glyphs(
        cr: *mut cairo_t,
        utf8: *const c_char,
        utf8_len: c_int,
        glyphs: *const cairo_glyph_t,
        num_glyphs: c_int,
        clusters: *const cairo_text_cluster_t,
        num_clusters: c_int,
        cluster_flags: cairo_text_cluster_flags_t,
    );
    pub fn cairo_font_extents(cr: *mut cairo_t, extents: *mut cairo_font_extents_t);
    pub fn cairo_text_extents(
        cr: *mut cairo_t,
        utf8: *const c_char,
        extents: *mut cairo_text_extents_t,
    );
    pub fn cairo_glyph_extents(
        cr: *mut cairo_t,
        glyphs: *const cairo_glyph_t,
        num_glyphs: c_int,
        extents: *mut cairo_text_extents_t,
    );
    pub fn cairo_toy_font_face_create(
        family: *const c_char,
        slant: cairo_font_slant_t,
        weight: cairo_font_weight_t,
    ) -> *mut cairo_font_face_t;
    pub fn cairo_toy_font_face_get_family(font_face: *mut cairo_font_face_t) -> *const c_char;
    pub fn cairo_toy_font_face_get_slant(font_face: *mut cairo_font_face_t) -> cairo_font_slant_t;
    pub fn cairo_toy_font_face_get_weight(font_face: *mut cairo_font_face_t)
        -> cairo_font_weight_t;
    pub fn cairo_glyph_allocate(num_glyphs: c_int) -> *mut cairo_glyph_t;
    pub fn cairo_glyph_free(glyphs: *mut cairo_glyph_t);
    pub fn cairo_text_cluster_allocate(num_clusters: c_int) -> *mut cairo_text_cluster_t;
    pub fn cairo_text_cluster_free(clusters: *mut cairo_text_cluster_t);

    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_font_face_create_for_ft_face(
        face: FT_Face,
        load_flags: c_int,
    ) -> *mut cairo_font_face_t;
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_font_face_create_for_pattern(pattern: *mut FcPattern)
        -> *mut cairo_font_face_t;
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_font_options_substitute(
        options: *const cairo_font_options_t,
        pattern: *mut FcPattern,
    );
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_scaled_font_lock_face(scaled_font: *mut cairo_scaled_font_t) -> FT_Face;
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_scaled_font_unlock_face(scaled_font: *mut cairo_scaled_font_t);
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_font_face_get_synthesize(
        font_face: *mut cairo_font_face_t,
    ) -> cairo_ft_synthesize_t;
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_font_face_set_synthesize(
        font_face: *mut cairo_font_face_t,
        synth_flags: cairo_ft_synthesize_t,
    );
    #[cfg(feature = "freetype")]
    #[cfg_attr(docsrs, doc(cfg(feature = "freetype")))]
    pub fn cairo_ft_font_face_unset_synthesize(
        font_face: *mut cairo_font_face_t,
        synth_flags: cairo_ft_synthesize_t,
    );

    // CAIRO RASTER
    //pub fn cairo_pattern_create_raster_source(user_data: *mut void, content: Content, width: c_int, height: c_int) -> *mut cairo_pattern_t;
    //pub fn cairo_raster_source_pattern_set_callback_data(pattern: *mut cairo_pattern_t, data: *mut void);
    //pub fn cairo_raster_source_pattern_get_callback_data(pattern: *mut cairo_pattern_t) -> *mut void;
    /* FIXME how do we do these _func_t types?
    pub fn cairo_raster_source_pattern_set_acquire(pattern: *mut cairo_pattern_t, acquire: cairo_raster_source_acquire_func_t, release: cairo_raster_source_release_func_t);
    pub fn cairo_raster_source_pattern_get_acquire(pattern: *mut cairo_pattern_t, acquire: *mut cairo_raster_source_acquire_func_t, release: *mut cairo_raster_source_release_func_t);
    pub fn cairo_raster_source_pattern_set_snapshot(pattern: *mut cairo_pattern_t, snapshot: cairo_raster_source_snapshot_func_t);
    pub fn cairo_raster_source_pattern_get_snapshot(pattern: *mut cairo_pattern_t) -> cairo_raster_source_snapshot_func_t;
    pub fn cairo_raster_source_pattern_set_copy(pattern: *mut cairo_pattern_t, copy: cairo_raster_source_copy_func_t);
    pub fn cairo_raster_source_pattern_get_copy(pattern: *mut cairo_pattern_t) -> cairo_raster_source_copy_func_t;
    pub fn cairo_raster_source_pattern_set_finish(pattern: *mut cairo_pattern_t, finish: cairo_raster_source_finish_func_t);
    pub fn cairo_raster_source_pattern_get_finish(pattern: *mut cairo_pattern_t) -> cairo_raster_source_finish_func_t;
    */

    //cairo_surface_t     (*mut cairo_raster_source_acquire_func_t)
    //                                                        (pattern: *mut cairo_pattern_t, callback_data: *mut void, target: *mut cairo_surface_t, extents: *mut cairo_rectangle_int_t);
    //void                (*mut cairo_raster_source_release_func_t)
    //                                                        (pattern: *mut cairo_pattern_t, callback_data: *mut void, surface: *mut cairo_surface_t);
    //Status      (*mut cairo_raster_source_snapshot_func_t)
    //                                                        (pattern: *mut cairo_pattern_t, callback_data: *mut void);
    //Status      (*mut cairo_raster_source_copy_func_t)  (pattern: *mut cairo_pattern_t, callback_data: *mut void, other: *mut cairo_pattern_t);
    //void                (*mut cairo_raster_source_finish_func_t)
    //                                                        (pattern: *mut cairo_pattern_t, callback_data: *mut void);

    //CAIRO FONT
    pub fn cairo_font_face_reference(font_face: *mut cairo_font_face_t) -> *mut cairo_font_face_t;
    pub fn cairo_font_face_destroy(font_face: *mut cairo_font_face_t);
    pub fn cairo_font_face_status(font_face: *mut cairo_font_face_t) -> cairo_status_t;
    pub fn cairo_font_face_get_type(font_face: *mut cairo_font_face_t) -> cairo_font_type_t;
    pub fn cairo_font_face_get_reference_count(font_face: *mut cairo_font_face_t) -> c_uint;
    pub fn cairo_font_face_set_user_data(
        font_face: *mut cairo_font_face_t,
        key: *const cairo_user_data_key_t,
        user_data: *mut c_void,
        destroy: cairo_destroy_func_t,
    ) -> cairo_status_t;
    pub fn cairo_font_face_get_user_data(
        font_face: *mut cairo_font_face_t,
        key: *const cairo_user_data_key_t,
    ) -> *mut c_void;

    // CAIRO SCALED FONT
    pub fn cairo_scaled_font_create(
        font_face: *mut cairo_font_face_t,
        font_matrix: *const cairo_matrix_t,
        ctm: *const cairo_matrix_t,
        options: *const cairo_font_options_t,
    ) -> *mut cairo_scaled_font_t;
    pub fn cairo_scaled_font_reference(
        scaled_font: *mut cairo_scaled_font_t,
    ) -> *mut cairo_scaled_font_t;
    pub fn cairo_scaled_font_destroy(scaled_font: *mut cairo_scaled_font_t);
    pub fn cairo_scaled_font_status(scaled_font: *mut cairo_scaled_font_t) -> cairo_status_t;
    pub fn cairo_scaled_font_extents(
        scaled_font: *mut cairo_scaled_font_t,
        extents: *mut cairo_font_extents_t,
    );
    pub fn cairo_scaled_font_text_extents(
        scaled_font: *mut cairo_scaled_font_t,
        utf8: *const c_char,
        extents: *mut cairo_text_extents_t,
    );
    pub fn cairo_scaled_font_glyph_extents(
        scaled_font: *mut cairo_scaled_font_t,
        glyphs: *const cairo_glyph_t,
        num_glyphs: c_int,
        extents: *mut cairo_text_extents_t,
    );
    pub fn cairo_scaled_font_text_to_glyphs(
        scaled_font: *mut cairo_scaled_font_t,
        x: c_double,
        y: c_double,
        utf8: *const c_char,
        utf8_len: c_int,
        glyphs: *mut *mut cairo_glyph_t,
        num_glyphs: *mut c_int,
        clusters: *mut *mut cairo_text_cluster_t,
        num_clusters: *mut c_int,
        cluster_flags: *mut cairo_text_cluster_flags_t,
    ) -> cairo_status_t;
    pub fn cairo_scaled_font_get_font_face(
        scaled_font: *mut cairo_scaled_font_t,
    ) -> *mut cairo_font_face_t;
    pub fn cairo_scaled_font_get_font_options(
        scaled_font: *mut cairo_scaled_font_t,
        options: *mut cairo_font_options_t,
    );
    pub fn cairo_scaled_font_get_font_matrix(
        scaled_font: *mut cairo_scaled_font_t,
        font_matrix: *mut cairo_matrix_t,
    );
    pub fn cairo_scaled_font_get_ctm(
        scaled_font: *mut cairo_scaled_font_t,
        ctm: *mut cairo_matrix_t,
    );
    pub fn cairo_scaled_font_get_scale_matrix(
        scaled_font: *mut cairo_scaled_font_t,
        scale_matrix: *mut cairo_matrix_t,
    );
    pub fn cairo_scaled_font_get_type(scaled_font: *mut cairo_scaled_font_t) -> cairo_font_type_t;
    pub fn cairo_scaled_font_get_reference_count(font_face: *mut cairo_scaled_font_t) -> c_uint;
    pub fn cairo_scaled_font_set_user_data(
        scaled_font: *mut cairo_scaled_font_t,
        key: *const cairo_user_data_key_t,
        user_data: *mut c_void,
        destroy: cairo_destroy_func_t,
    ) -> cairo_status_t;
    pub fn cairo_scaled_font_get_user_data(
        scaled_font: *mut cairo_scaled_font_t,
        key: *const cairo_user_data_key_t,
    ) -> *mut c_void;

    // CAIRO FONT OPTIONS
    pub fn cairo_font_options_create() -> *mut cairo_font_options_t;
    pub fn cairo_font_options_copy(
        original: *const cairo_font_options_t,
    ) -> *mut cairo_font_options_t;
    pub fn cairo_font_options_destroy(options: *mut cairo_font_options_t);
    pub fn cairo_font_options_status(options: *mut cairo_font_options_t) -> cairo_status_t;
    pub fn cairo_font_options_merge(
        options: *mut cairo_font_options_t,
        other: *const cairo_font_options_t,
    );
    pub fn cairo_font_options_hash(options: *const cairo_font_options_t) -> c_ulong;
    pub fn cairo_font_options_equal(
        options: *const cairo_font_options_t,
        other: *const cairo_font_options_t,
    ) -> cairo_bool_t;
    pub fn cairo_font_options_set_antialias(
        options: *mut cairo_font_options_t,
        antialias: cairo_antialias_t,
    );
    pub fn cairo_font_options_get_antialias(
        options: *const cairo_font_options_t,
    ) -> cairo_antialias_t;
    pub fn cairo_font_options_set_subpixel_order(
        options: *mut cairo_font_options_t,
        subpixel_order: cairo_subpixel_order_t,
    );
    pub fn cairo_font_options_get_subpixel_order(
        options: *const cairo_font_options_t,
    ) -> cairo_subpixel_order_t;
    pub fn cairo_font_options_set_hint_style(
        options: *mut cairo_font_options_t,
        hint_style: cairo_hint_style_t,
    );
    pub fn cairo_font_options_get_hint_style(
        options: *const cairo_font_options_t,
    ) -> cairo_hint_style_t;
    pub fn cairo_font_options_set_hint_metrics(
        options: *mut cairo_font_options_t,
        hint_metrics: cairo_hint_metrics_t,
    );
    pub fn cairo_font_options_get_hint_metrics(
        options: *const cairo_font_options_t,
    ) -> cairo_hint_metrics_t;
    #[cfg(feature = "v1_16")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
    pub fn cairo_font_options_get_variations(options: *mut cairo_font_options_t) -> *const c_char;
    #[cfg(feature = "v1_16")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_16")))]
    pub fn cairo_font_options_set_variations(
        options: *mut cairo_font_options_t,
        variations: *const c_char,
    );

    // CAIRO MATRIX
    pub fn cairo_matrix_multiply(
        matrix: *mut cairo_matrix_t,
        left: *const cairo_matrix_t,
        right: *const cairo_matrix_t,
    );
    pub fn cairo_matrix_init(
        matrix: *mut cairo_matrix_t,
        xx: f64,
        yx: f64,
        xy: f64,
        yy: f64,
        x0: f64,
        y0: f64,
    );
    pub fn cairo_matrix_init_identity(matrix: *mut cairo_matrix_t);
    pub fn cairo_matrix_translate(matrix: *mut cairo_matrix_t, tx: f64, ty: f64);
    pub fn cairo_matrix_scale(matrix: *mut cairo_matrix_t, sx: f64, sy: f64);
    pub fn cairo_matrix_rotate(matrix: *mut cairo_matrix_t, angle: f64);
    pub fn cairo_matrix_invert(matrix: *mut cairo_matrix_t) -> cairo_status_t;
    pub fn cairo_matrix_transform_distance(
        matrix: *const cairo_matrix_t,
        dx: *mut f64,
        dy: *mut f64,
    );
    pub fn cairo_matrix_transform_point(matrix: *const cairo_matrix_t, x: *mut f64, y: *mut f64);

    // CAIRO SURFACE
    pub fn cairo_surface_destroy(surface: *mut cairo_surface_t);
    pub fn cairo_surface_flush(surface: *mut cairo_surface_t);
    pub fn cairo_surface_finish(surface: *mut cairo_surface_t);
    pub fn cairo_surface_status(surface: *mut cairo_surface_t) -> cairo_status_t;
    pub fn cairo_surface_get_type(surface: *mut cairo_surface_t) -> cairo_surface_type_t;
    pub fn cairo_surface_get_content(surface: *mut cairo_surface_t) -> cairo_content_t;
    pub fn cairo_surface_reference(surface: *mut cairo_surface_t) -> *mut cairo_surface_t;
    pub fn cairo_surface_get_user_data(
        surface: *mut cairo_surface_t,
        key: *const cairo_user_data_key_t,
    ) -> *mut c_void;
    pub fn cairo_surface_set_user_data(
        surface: *mut cairo_surface_t,
        key: *const cairo_user_data_key_t,
        user_data: *mut c_void,
        destroy: cairo_destroy_func_t,
    ) -> cairo_status_t;
    pub fn cairo_surface_get_reference_count(surface: *mut cairo_surface_t) -> c_uint;
    pub fn cairo_surface_mark_dirty(surface: *mut cairo_surface_t);
    pub fn cairo_surface_mark_dirty_rectangle(
        surface: *mut cairo_surface_t,
        x: c_int,
        y: c_int,
        width: c_int,
        height: c_int,
    );
    pub fn cairo_surface_create_similar(
        surface: *mut cairo_surface_t,
        content: cairo_content_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    pub fn cairo_surface_create_for_rectangle(
        surface: *mut cairo_surface_t,
        x: c_double,
        y: c_double,
        width: c_double,
        height: c_double,
    ) -> *mut cairo_surface_t;
    pub fn cairo_surface_get_mime_data(
        surface: *mut cairo_surface_t,
        mime_type: *const c_char,
        data: *const *mut u8,
        length: *mut c_ulong,
    );
    pub fn cairo_surface_set_mime_data(
        surface: *mut cairo_surface_t,
        mime_type: *const c_char,
        data: *const u8,
        length: c_ulong,
        destroy: cairo_destroy_func_t,
        closure: *const u8,
    ) -> cairo_status_t;
    pub fn cairo_surface_supports_mime_type(
        surface: *mut cairo_surface_t,
        mime_type: *const c_char,
    ) -> cairo_bool_t;
    pub fn cairo_surface_get_device(surface: *mut cairo_surface_t) -> *mut cairo_device_t;
    pub fn cairo_surface_set_device_offset(
        surface: *mut cairo_surface_t,
        x_offset: c_double,
        y_offset: c_double,
    );
    pub fn cairo_surface_get_device_offset(
        surface: *mut cairo_surface_t,
        x_offset: *mut c_double,
        y_offset: *mut c_double,
    );
    pub fn cairo_surface_get_device_scale(
        surface: *mut cairo_surface_t,
        x_scale: *mut c_double,
        y_scale: *mut c_double,
    );
    pub fn cairo_surface_set_device_scale(
        surface: *mut cairo_surface_t,
        x_scale: c_double,
        y_scale: c_double,
    );
    pub fn cairo_surface_get_fallback_resolution(
        surface: *mut cairo_surface_t,
        x_pixels_per_inch: *mut c_double,
        y_pixels_per_inch: *mut c_double,
    );
    pub fn cairo_surface_set_fallback_resolution(
        surface: *mut cairo_surface_t,
        x_pixels_per_inch: c_double,
        x_pixels_per_inch: c_double,
    );
    pub fn cairo_recording_surface_get_extents(
        surface: *mut cairo_surface_t,
        extents: *mut cairo_rectangle_t,
    ) -> cairo_bool_t;
    pub fn cairo_recording_surface_create(
        content: cairo_content_t,
        extents: *const cairo_rectangle_t,
    ) -> *mut cairo_surface_t;
    pub fn cairo_recording_surface_ink_extents(
        surface: *mut cairo_surface_t,
        x0: *mut c_double,
        y0: *mut c_double,
        width: *mut c_double,
        height: *mut c_double,
    );
    pub fn cairo_surface_create_similar_image(
        other: *mut cairo_surface_t,
        format: cairo_format_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    pub fn cairo_surface_map_to_image(
        surface: *mut cairo_surface_t,
        extents: *const cairo_rectangle_int_t,
    ) -> *mut cairo_surface_t;
    pub fn cairo_surface_unmap_image(surface: *mut cairo_surface_t, image: *mut cairo_surface_t);

    // CAIRO IMAGE SURFACE
    pub fn cairo_image_surface_create(
        format: cairo_format_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    pub fn cairo_image_surface_create_for_data(
        data: *mut u8,
        format: cairo_format_t,
        width: c_int,
        height: c_int,
        stride: c_int,
    ) -> *mut cairo_surface_t;
    pub fn cairo_image_surface_get_data(surface: *mut cairo_surface_t) -> *mut u8;
    pub fn cairo_image_surface_get_format(surface: *mut cairo_surface_t) -> cairo_format_t;
    pub fn cairo_image_surface_get_height(surface: *mut cairo_surface_t) -> c_int;
    pub fn cairo_image_surface_get_stride(surface: *mut cairo_surface_t) -> c_int;
    pub fn cairo_image_surface_get_width(surface: *mut cairo_surface_t) -> c_int;
    pub fn cairo_format_stride_for_width(format: cairo_format_t, width: c_int) -> c_int;
    #[cfg(feature = "png")]
    #[cfg_attr(docsrs, doc(cfg(feature = "png")))]
    pub fn cairo_image_surface_create_from_png_stream(
        read_func: cairo_read_func_t,
        closure: *mut c_void,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "png")]
    #[cfg_attr(docsrs, doc(cfg(feature = "png")))]
    pub fn cairo_surface_write_to_png_stream(
        surface: *mut cairo_surface_t,
        write_func: cairo_write_func_t,
        closure: *mut c_void,
    ) -> cairo_status_t;

    // CAIRO PDF
    #[cfg(feature = "pdf")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
    pub fn cairo_pdf_surface_create(
        filename: *const c_char,
        width_in_points: c_double,
        height_in_points: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "pdf")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
    pub fn cairo_pdf_surface_create_for_stream(
        write_func: cairo_write_func_t,
        closure: *mut c_void,
        width_in_points: c_double,
        height_in_points: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "pdf")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
    pub fn cairo_pdf_surface_restrict_to_version(
        surface: *mut cairo_surface_t,
        version: cairo_pdf_version_t,
    );
    #[cfg(feature = "pdf")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
    pub fn cairo_pdf_get_versions(
        versions: *mut *mut cairo_pdf_version_t,
        num_versions: *mut c_int,
    );
    #[cfg(feature = "pdf")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
    pub fn cairo_pdf_version_to_string(version: cairo_pdf_version_t) -> *const c_char;
    #[cfg(feature = "pdf")]
    #[cfg_attr(docsrs, doc(cfg(feature = "pdf")))]
    pub fn cairo_pdf_surface_set_size(
        surface: *mut cairo_surface_t,
        width_in_points: f64,
        height_in_points: f64,
    );
    #[cfg(all(feature = "pdf", feature = "v1_16"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_16"))))]
    pub fn cairo_pdf_surface_add_outline(
        surface: *mut cairo_surface_t,
        parent_id: c_int,
        utf8: *const c_char,
        link_attribs: *const c_char,
        flags: cairo_pdf_outline_flags_t,
    ) -> c_int;
    #[cfg(all(feature = "pdf", feature = "v1_16"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_16"))))]
    pub fn cairo_pdf_surface_set_metadata(
        surface: *mut cairo_surface_t,
        metadata: cairo_pdf_metadata_t,
        utf8: *const c_char,
    );
    #[cfg(all(feature = "pdf", feature = "v1_18"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_18"))))]
    pub fn cairo_pdf_surface_set_custom_metadata(
        surface: *mut cairo_surface_t,
        name: *const c_char,
        value: *const c_char,
    );
    #[cfg(all(feature = "pdf", feature = "v1_16"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_16"))))]
    pub fn cairo_pdf_surface_set_page_label(surface: *mut cairo_surface_t, utf8: *const c_char);
    #[cfg(all(feature = "pdf", feature = "v1_16"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "pdf", feature = "v1_16"))))]
    pub fn cairo_pdf_surface_set_thumbnail_size(
        surface: *mut cairo_surface_t,
        width: c_int,
        height: c_int,
    );

    // CAIRO SVG
    #[cfg(feature = "svg")]
    #[cfg_attr(docsrs, doc(cfg(feature = "svg")))]
    pub fn cairo_svg_surface_create(
        filename: *const c_char,
        width_in_points: c_double,
        height_in_points: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "svg")]
    #[cfg_attr(docsrs, doc(cfg(feature = "svg")))]
    pub fn cairo_svg_surface_create_for_stream(
        write_func: cairo_write_func_t,
        closure: *mut c_void,
        width_in_points: c_double,
        height_in_points: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "svg")]
    #[cfg_attr(docsrs, doc(cfg(feature = "svg")))]
    pub fn cairo_svg_surface_restrict_to_version(
        surface: *mut cairo_surface_t,
        version: cairo_svg_version_t,
    );
    #[cfg(all(feature = "svg", feature = "v1_16"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "svg", feature = "v1_16"))))]
    pub fn cairo_svg_surface_get_document_unit(surface: *const cairo_surface_t)
        -> cairo_svg_unit_t;
    #[cfg(all(feature = "svg", feature = "v1_16"))]
    #[cfg_attr(docsrs, doc(cfg(all(feature = "svg", feature = "v1_16"))))]
    pub fn cairo_svg_surface_set_document_unit(
        surface: *mut cairo_surface_t,
        unit: cairo_svg_unit_t,
    );
    #[cfg(feature = "svg")]
    #[cfg_attr(docsrs, doc(cfg(feature = "svg")))]
    pub fn cairo_svg_get_versions(
        versions: *mut *mut cairo_svg_version_t,
        num_versions: *mut c_int,
    );
    #[cfg(feature = "svg")]
    #[cfg_attr(docsrs, doc(cfg(feature = "svg")))]
    pub fn cairo_svg_version_to_string(version: cairo_svg_version_t) -> *const c_char;

    // CAIRO PS
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_create(
        filename: *const c_char,
        width_in_points: c_double,
        height_in_points: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_create_for_stream(
        write_func: cairo_write_func_t,
        closure: *mut c_void,
        width_in_points: c_double,
        height_in_points: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_restrict_to_level(
        surface: *mut cairo_surface_t,
        version: cairo_ps_level_t,
    );
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_get_levels(levels: *mut *mut cairo_ps_level_t, num_levels: *mut c_int);
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_level_to_string(level: cairo_ps_level_t) -> *const c_char;
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_set_eps(surface: *mut cairo_surface_t, eps: cairo_bool_t);
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_get_eps(surface: *mut cairo_surface_t) -> cairo_bool_t;
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_set_size(
        surface: *mut cairo_surface_t,
        width_in_points: f64,
        height_in_points: f64,
    );
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_dsc_begin_setup(surface: *mut cairo_surface_t);
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_dsc_begin_page_setup(surface: *mut cairo_surface_t);
    #[cfg(feature = "ps")]
    #[cfg_attr(docsrs, doc(cfg(feature = "ps")))]
    pub fn cairo_ps_surface_dsc_comment(surface: *mut cairo_surface_t, comment: *const c_char);

    // CAIRO XCB
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_surface_create(
        connection: *mut xcb_connection_t,
        drawable: xcb_drawable_t,
        visual: *mut xcb_visualtype_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_surface_create_for_bitmap(
        connection: *mut xcb_connection_t,
        screen: *mut xcb_screen_t,
        bitmap: xcb_pixmap_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_surface_create_with_xrender_format(
        connection: *mut xcb_connection_t,
        screen: *mut xcb_screen_t,
        drawable: xcb_drawable_t,
        format: *mut xcb_render_pictforminfo_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_surface_set_size(surface: *mut cairo_surface_t, width: c_int, height: c_int);
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_surface_set_drawable(
        surface: *mut cairo_surface_t,
        drawable: xcb_drawable_t,
        width: c_int,
        height: c_int,
    );
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_device_get_connection(device: *mut cairo_device_t) -> *mut xcb_connection_t;
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_device_debug_cap_xrender_version(
        device: *mut cairo_device_t,
        major_version: c_int,
        minor_version: c_int,
    );
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_device_debug_cap_xshm_version(
        device: *mut cairo_device_t,
        major_version: c_int,
        minor_version: c_int,
    );
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_device_debug_get_precision(device: *mut cairo_device_t) -> c_int;
    #[cfg(feature = "xcb")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xcb")))]
    pub fn cairo_xcb_device_debug_set_precision(device: *mut cairo_device_t, precision: c_int);

    // CAIRO XLIB SURFACE
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_create(
        dpy: *mut xlib::Display,
        drawable: xlib::Drawable,
        visual: *mut xlib::Visual,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_create_for_bitmap(
        dpy: *mut xlib::Display,
        bitmap: xlib::Pixmap,
        screen: *mut xlib::Screen,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_set_size(surface: *mut cairo_surface_t, width: c_int, height: c_int);
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_set_drawable(
        surface: *mut cairo_surface_t,
        drawable: xlib::Drawable,
        width: c_int,
        height: c_int,
    );
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_display(surface: *mut cairo_surface_t) -> *mut xlib::Display;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_drawable(surface: *mut cairo_surface_t) -> xlib::Drawable;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_screen(surface: *mut cairo_surface_t) -> *mut xlib::Screen;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_visual(surface: *mut cairo_surface_t) -> *mut xlib::Visual;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_depth(surface: *mut cairo_surface_t) -> c_int;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_width(surface: *mut cairo_surface_t) -> c_int;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_surface_get_height(surface: *mut cairo_surface_t) -> c_int;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_device_debug_cap_xrender_version(
        device: *mut cairo_device_t,
        major_version: c_int,
        minor_version: c_int,
    );
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_device_debug_get_precision(device: *mut cairo_device_t) -> c_int;
    #[cfg(feature = "xlib")]
    #[cfg_attr(docsrs, doc(cfg(feature = "xlib")))]
    pub fn cairo_xlib_device_debug_set_precision(device: *mut cairo_device_t, precision: c_int);

    // CAIRO WINDOWS SURFACE
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_surface_create(hdc: winapi::HDC) -> *mut cairo_surface_t;
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_surface_create_with_format(
        hdc: winapi::HDC,
        format: cairo_format_t,
    ) -> *mut cairo_surface_t;
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_surface_create_with_dib(
        format: cairo_format_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_surface_create_with_ddb(
        hdc: winapi::HDC,
        format: cairo_format_t,
        width: c_int,
        height: c_int,
    ) -> *mut cairo_surface_t;
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_printing_surface_create(hdc: winapi::HDC) -> *mut cairo_surface_t;
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_surface_get_dc(surface: *mut cairo_surface_t) -> winapi::HDC;
    #[cfg(all(windows, feature = "win32-surface"))]
    #[cfg_attr(docsrs, doc(cfg(all(windows, feature = "win32-surface"))))]
    pub fn cairo_win32_surface_get_image(surface: *mut cairo_surface_t) -> *mut cairo_surface_t;

    #[cfg(target_os = "macos")]
    #[cfg_attr(docsrs, doc(cfg(target_os = "macos")))]
    pub fn cairo_quartz_surface_create(
        format: cairo_format_t,
        width: c_uint,
        height: c_uint,
    ) -> *mut cairo_surface_t;
    #[cfg(target_os = "macos")]
    #[cfg_attr(docsrs, doc(cfg(target_os = "macos")))]
    pub fn cairo_quartz_surface_create_for_cg_context(
        cg_context: CGContextRef,
        width: c_uint,
        height: c_uint,
    ) -> *mut cairo_surface_t;
    #[cfg(target_os = "macos")]
    #[cfg_attr(docsrs, doc(cfg(target_os = "macos")))]
    pub fn cairo_quartz_surface_get_cg_context(surface: *mut cairo_surface_t) -> CGContextRef;

    // CAIRO SCRIPT
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_create(filename: *const c_char) -> *mut cairo_device_t;
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_create_for_stream(
        write_func: cairo_write_func_t,
        closure: *mut c_void,
    ) -> cairo_status_t;
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_from_recording_surface(
        script: *mut cairo_device_t,
        surface: *mut cairo_surface_t,
    ) -> cairo_status_t;
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_get_mode(script: *mut cairo_device_t) -> cairo_script_mode_t;
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_set_mode(script: *mut cairo_device_t, mode: cairo_script_mode_t);
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_surface_create(
        script: *mut cairo_device_t,
        content: cairo_content_t,
        width: c_double,
        height: c_double,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_surface_create_for_target(
        script: *mut cairo_device_t,
        target: *mut cairo_surface_t,
    ) -> *mut cairo_surface_t;
    #[cfg(feature = "script")]
    #[cfg_attr(docsrs, doc(cfg(feature = "script")))]
    pub fn cairo_script_write_comment(
        script: *mut cairo_device_t,
        comment: *const c_char,
        len: c_int,
    );
    pub fn cairo_device_destroy(device: *mut cairo_device_t);
    pub fn cairo_device_status(device: *mut cairo_device_t) -> cairo_status_t;
    pub fn cairo_device_finish(device: *mut cairo_device_t);
    pub fn cairo_device_flush(device: *mut cairo_device_t);
    pub fn cairo_device_get_type(device: *mut cairo_device_t) -> cairo_device_type_t;
    pub fn cairo_device_reference(device: *mut cairo_device_t) -> *mut cairo_device_t;
    pub fn cairo_device_get_reference_count(device: *mut cairo_device_t) -> c_uint;
    pub fn cairo_device_set_user_data(
        device: *mut cairo_device_t,
        key: *const cairo_user_data_key_t,
        user_data: *mut c_void,
        destroy: cairo_destroy_func_t,
    ) -> cairo_status_t;
    pub fn cairo_device_get_user_data(
        device: *mut cairo_device_t,
        key: *const cairo_user_data_key_t,
    ) -> *mut c_void;
    pub fn cairo_device_acquire(device: *mut cairo_device_t) -> cairo_status_t;
    pub fn cairo_device_release(device: *mut cairo_device_t);
    pub fn cairo_device_observer_elapsed(device: *mut cairo_device_t) -> c_double;
    pub fn cairo_device_observer_fill_elapsed(device: *mut cairo_device_t) -> c_double;
    pub fn cairo_device_observer_glyphs_elapsed(device: *mut cairo_device_t) -> c_double;
    pub fn cairo_device_observer_mask_elapsed(device: *mut cairo_device_t) -> c_double;
    pub fn cairo_device_observer_paint_elapsed(device: *mut cairo_device_t) -> c_double;
    pub fn cairo_device_observer_stroke_elapsed(device: *mut cairo_device_t) -> c_double;
    pub fn cairo_device_observer_print(
        device: *mut cairo_device_t,
        write_func: cairo_write_func_t,
        closure: *mut c_void,
    ) -> cairo_status_t;

    pub fn cairo_user_font_face_create() -> *mut cairo_font_face_t;
    pub fn cairo_user_font_face_set_init_func(
        font_face: *mut cairo_font_face_t,
        init_func: cairo_user_scaled_font_init_func_t,
    );
    pub fn cairo_user_font_face_get_init_func(
        font_face: *mut cairo_font_face_t,
    ) -> cairo_user_scaled_font_init_func_t;
    pub fn cairo_user_font_face_set_render_glyph_func(
        font_face: *mut cairo_font_face_t,
        render_glyph_func: cairo_user_scaled_font_render_glyph_func_t,
    );
    pub fn cairo_user_font_face_get_render_glyph_func(
        font_face: *mut cairo_font_face_t,
    ) -> cairo_user_scaled_font_render_glyph_func_t;
    pub fn cairo_user_font_face_set_render_color_glyph_func(
        font_face: *mut cairo_font_face_t,
        render_glyph_func: cairo_user_scaled_font_render_glyph_func_t,
    );
    pub fn cairo_user_font_face_get_render_color_glyph_func(
        font_face: *mut cairo_font_face_t,
    ) -> cairo_user_scaled_font_render_glyph_func_t;
    pub fn cairo_user_font_face_set_unicode_to_glyph_func(
        font_face: *mut cairo_font_face_t,
        unicode_to_glyph_func: cairo_user_scaled_font_unicode_to_glyph_func_t,
    );
    pub fn cairo_user_font_face_get_unicode_to_glyph_func(
        font_face: *mut cairo_font_face_t,
    ) -> cairo_user_scaled_font_unicode_to_glyph_func_t;
    pub fn cairo_user_font_face_set_text_to_glyphs_func(
        font_face: *mut cairo_font_face_t,
        text_to_glyphs_func: cairo_user_scaled_font_text_to_glyphs_func_t,
    );
    pub fn cairo_user_font_face_get_text_to_glyphs_func(
        font_face: *mut cairo_font_face_t,
    ) -> cairo_user_scaled_font_text_to_glyphs_func_t;
}

#[cfg(feature = "use_glib")]
#[cfg_attr(docsrs, doc(cfg(feature = "use_glib")))]
pub mod gobject;

pub const STATUS_SUCCESS: i32 = 0;
pub const STATUS_NO_MEMORY: i32 = 1;
pub const STATUS_INVALID_RESTORE: i32 = 2;
pub const STATUS_INVALID_POP_GROUP: i32 = 3;
pub const STATUS_NO_CURRENT_POINT: i32 = 4;
pub const STATUS_INVALID_MATRIX: i32 = 5;
pub const STATUS_INVALID_STATUS: i32 = 6;
pub const STATUS_NULL_POINTER: i32 = 7;
pub const STATUS_INVALID_STRING: i32 = 8;
pub const STATUS_INVALID_PATH_DATA: i32 = 9;
pub const STATUS_READ_ERROR: i32 = 10;
pub const STATUS_WRITE_ERROR: i32 = 11;
pub const STATUS_SURFACE_FINISHED: i32 = 12;
pub const STATUS_SURFACE_TYPE_MISMATCH: i32 = 13;
pub const STATUS_PATTERN_TYPE_MISMATCH: i32 = 14;
pub const STATUS_INVALID_CONTENT: i32 = 15;
pub const STATUS_INVALID_FORMAT: i32 = 16;
pub const STATUS_INVALID_VISUAL: i32 = 17;
pub const STATUS_FILE_NOT_FOUND: i32 = 18;
pub const STATUS_INVALID_DASH: i32 = 19;
pub const STATUS_INVALID_DSC_COMMENT: i32 = 20;
pub const STATUS_INVALID_INDEX: i32 = 21;
pub const STATUS_CLIP_NOT_REPRESENTABLE: i32 = 22;
pub const STATUS_TEMP_FILE_ERROR: i32 = 23;
pub const STATUS_INVALID_STRIDE: i32 = 24;
pub const STATUS_FONT_TYPE_MISMATCH: i32 = 25;
pub const STATUS_USER_FONT_IMMUTABLE: i32 = 26;
pub const STATUS_USER_FONT_ERROR: i32 = 27;
pub const STATUS_NEGATIVE_COUNT: i32 = 28;
pub const STATUS_INVALID_CLUSTERS: i32 = 29;
pub const STATUS_INVALID_SLANT: i32 = 30;
pub const STATUS_INVALID_WEIGHT: i32 = 31;
pub const STATUS_INVALID_SIZE: i32 = 32;
pub const STATUS_USER_FONT_NOT_IMPLEMENTED: i32 = 33;
pub const STATUS_DEVICE_TYPE_MISMATCH: i32 = 34;
pub const STATUS_DEVICE_ERROR: i32 = 35;
pub const STATUS_INVALID_MESH_CONSTRUCTION: i32 = 36;
pub const STATUS_DEVICE_FINISHED: i32 = 37;
pub const STATUS_J_BIG2_GLOBAL_MISSING: i32 = 38;
pub const STATUS_PNG_ERROR: i32 = 39;
pub const STATUS_FREETYPE_ERROR: i32 = 40;
pub const STATUS_WIN32_GDI_ERROR: i32 = 41;
pub const STATUS_TAG_ERROR: i32 = 42;
pub const STATUS_DWRITE_ERROR: i32 = 43;
pub const STATUS_LAST_STATUS: i32 = 44;
pub const ANTIALIAS_DEFAULT: i32 = 0;
pub const ANTIALIAS_NONE: i32 = 1;
pub const ANTIALIAS_GRAY: i32 = 2;
pub const ANTIALIAS_SUBPIXEL: i32 = 3;
pub const ANTIALIAS_FAST: i32 = 4;
pub const ANTIALIAS_GOOD: i32 = 5;
pub const ANTIALIAS_BEST: i32 = 6;
pub const FILL_RULE_WINDING: i32 = 0;
pub const FILL_RULE_EVEN_ODD: i32 = 1;
pub const LINE_CAP_BUTT: i32 = 0;
pub const LINE_CAP_ROUND: i32 = 1;
pub const LINE_CAP_SQUARE: i32 = 2;
pub const LINE_JOIN_MITER: i32 = 0;
pub const LINE_JOIN_ROUND: i32 = 1;
pub const LINE_JOIN_BEVEL: i32 = 2;
pub const OPERATOR_CLEAR: i32 = 0;
pub const OPERATOR_SOURCE: i32 = 1;
pub const OPERATOR_OVER: i32 = 2;
pub const OPERATOR_IN: i32 = 3;
pub const OPERATOR_OUT: i32 = 4;
pub const OPERATOR_ATOP: i32 = 5;
pub const OPERATOR_DEST: i32 = 6;
pub const OPERATOR_DEST_OVER: i32 = 7;
pub const OPERATOR_DEST_IN: i32 = 8;
pub const OPERATOR_DEST_OUT: i32 = 9;
pub const OPERATOR_DEST_ATOP: i32 = 10;
pub const OPERATOR_XOR: i32 = 11;
pub const OPERATOR_ADD: i32 = 12;
pub const OPERATOR_SATURATE: i32 = 13;
pub const OPERATOR_MULTIPLY: i32 = 14;
pub const OPERATOR_SCREEN: i32 = 15;
pub const OPERATOR_OVERLAY: i32 = 16;
pub const OPERATOR_DARKEN: i32 = 17;
pub const OPERATOR_LIGHTEN: i32 = 18;
pub const OPERATOR_COLOR_DODGE: i32 = 19;
pub const OPERATOR_COLOR_BURN: i32 = 20;
pub const OPERATOR_HARD_LIGHT: i32 = 21;
pub const OPERATOR_SOFT_LIGHT: i32 = 22;
pub const OPERATOR_DIFFERENCE: i32 = 23;
pub const OPERATOR_EXCLUSION: i32 = 24;
pub const OPERATOR_HSL_HUE: i32 = 25;
pub const OPERATOR_HSL_SATURATION: i32 = 26;
pub const OPERATOR_HSL_COLOR: i32 = 27;
pub const OPERATOR_HSL_LUMINOSITY: i32 = 28;
pub const PATH_DATA_TYPE_MOVE_TO: i32 = 0;
pub const PATH_DATA_TYPE_LINE_TO: i32 = 1;
pub const PATH_DATA_TYPE_CURVE_TO: i32 = 2;
pub const PATH_DATA_TYPE_CLOSE_PATH: i32 = 3;
pub const CONTENT_COLOR: i32 = 0x1000;
pub const CONTENT_ALPHA: i32 = 0x2000;
pub const CONTENT_COLOR_ALPHA: i32 = 0x3000;
pub const EXTEND_NONE: i32 = 0;
pub const EXTEND_REPEAT: i32 = 1;
pub const EXTEND_REFLECT: i32 = 2;
pub const EXTEND_PAD: i32 = 3;
pub const FILTER_FAST: i32 = 0;
pub const FILTER_GOOD: i32 = 1;
pub const FILTER_BEST: i32 = 2;
pub const FILTER_NEAREST: i32 = 3;
pub const FILTER_BILINEAR: i32 = 4;
pub const FILTER_GAUSSIAN: i32 = 5;
pub const PATTERN_TYPE_SOLID: i32 = 0;
pub const PATTERN_TYPE_SURFACE: i32 = 1;
pub const PATTERN_TYPE_LINEAR_GRADIENT: i32 = 2;
pub const PATTERN_TYPE_RADIAL_GRADIENT: i32 = 3;
pub const PATTERN_TYPE_MESH: i32 = 4;
pub const PATTERN_TYPE_RASTER_SOURCE: i32 = 5;
pub const FONT_SLANT_NORMAL: i32 = 0;
pub const FONT_SLANT_ITALIC: i32 = 1;
pub const FONT_SLANT_OBLIQUE: i32 = 2;
pub const FONT_WEIGHT_NORMAL: i32 = 0;
pub const FONT_WEIGHT_BOLD: i32 = 1;
pub const TEXT_CLUSTER_FLAGS_NONE: i32 = 0x00000000;
pub const TEXT_CLUSTER_FLAGS_BACKWARD: i32 = 0x00000001;
pub const FONT_TYPE_FONT_TYPE_TOY: i32 = 0;
pub const FONT_TYPE_FONT_TYPE_FT: i32 = 1;
pub const FONT_TYPE_FONT_TYPE_WIN32: i32 = 2;
pub const FONT_TYPE_FONT_TYPE_QUARTZ: i32 = 3;
pub const FONT_TYPE_FONT_TYPE_USER: i32 = 4;
pub const FONT_TYPE_FONT_TYPE_DWRITE: i32 = 5;
pub const SUBPIXEL_ORDER_DEFAULT: i32 = 0;
pub const SUBPIXEL_ORDER_RGB: i32 = 1;
pub const SUBPIXEL_ORDER_BGR: i32 = 2;
pub const SUBPIXEL_ORDER_VRGB: i32 = 3;
pub const SUBPIXEL_ORDER_VBGR: i32 = 4;
pub const HINT_STYLE_DEFAULT: i32 = 0;
pub const HINT_STYLE_NONE: i32 = 1;
pub const HINT_STYLE_SLIGHT: i32 = 2;
pub const HINT_STYLE_MEDIUM: i32 = 3;
pub const HINT_STYLE_FULL: i32 = 4;
pub const HINT_METRICS_DEFAULT: i32 = 0;
pub const HINT_METRICS_OFF: i32 = 1;
pub const HINT_METRICS_ON: i32 = 2;
pub const SURFACE_TYPE_IMAGE: i32 = 0;
pub const SURFACE_TYPE_PDF: i32 = 1;
pub const SURFACE_TYPE_PS: i32 = 2;
pub const SURFACE_TYPE_XLIB: i32 = 3;
pub const SURFACE_TYPE_XCB: i32 = 4;
pub const SURFACE_TYPE_GLITZ: i32 = 5;
pub const SURFACE_TYPE_QUARTZ: i32 = 6;
pub const SURFACE_TYPE_WIN32: i32 = 7;
pub const SURFACE_TYPE_BE_OS: i32 = 8;
pub const SURFACE_TYPE_DIRECT_FB: i32 = 9;
pub const SURFACE_TYPE_SVG: i32 = 10;
pub const SURFACE_TYPE_OS2: i32 = 11;
pub const SURFACE_TYPE_WIN32_PRINTING: i32 = 12;
pub const SURFACE_TYPE_QUARTZ_IMAGE: i32 = 13;
pub const SURFACE_TYPE_SCRIPT: i32 = 14;
pub const SURFACE_TYPE_QT: i32 = 15;
pub const SURFACE_TYPE_RECORDING: i32 = 16;
pub const SURFACE_TYPE_VG: i32 = 17;
pub const SURFACE_TYPE_GL: i32 = 18;
pub const SURFACE_TYPE_DRM: i32 = 19;
pub const SURFACE_TYPE_TEE: i32 = 20;
pub const SURFACE_TYPE_XML: i32 = 21;
pub const SURFACE_TYPE_SKIA: i32 = 22;
pub const SURFACE_TYPE_SUBSURFACE: i32 = 23;
pub const SURFACE_TYPE_COGL: i32 = 24;
pub const SVG_UNIT_USER: i32 = 0;
pub const SVG_UNIT_EM: i32 = 1;
pub const SVG_UNIT_EX: i32 = 2;
pub const SVG_UNIT_PX: i32 = 3;
pub const SVG_UNIT_IN: i32 = 4;
pub const SVG_UNIT_CM: i32 = 5;
pub const SVG_UNIT_MM: i32 = 6;
pub const SVG_UNIT_PT: i32 = 7;
pub const SVG_UNIT_PC: i32 = 8;
pub const SVG_UNIT_PERCENT: i32 = 9;
pub const FORMAT_INVALID: i32 = -1;
pub const FORMAT_A_RGB32: i32 = 0;
pub const FORMAT_RGB24: i32 = 1;
pub const FORMAT_A8: i32 = 2;
pub const FORMAT_A1: i32 = 3;
pub const FORMAT_RGB16_565: i32 = 4;
pub const FORMAT_RGB30: i32 = 5;
pub const REGION_OVERLAP_IN: i32 = 0;
pub const REGION_OVERLAP_OUT: i32 = 1;
pub const REGION_OVERLAP_PART: i32 = 2;
pub const PDF_OUTLINE_FLAG_OPEN: i32 = 0x1;
pub const PDF_OUTLINE_FLAG_BOLD: i32 = 0x2;
pub const PDF_OUTLINE_FLAG_ITALIC: i32 = 0x4;
pub const PDF_METADATA_TITLE: i32 = 0;
pub const PDF_METADATA_AUTHOR: i32 = 1;
pub const PDF_METADATA_SUBJECT: i32 = 2;
pub const PDF_METADATA_KEYWORDS: i32 = 3;
pub const PDF_METADATA_CREATOR: i32 = 4;
pub const PDF_METADATA_CREATE_DATE: i32 = 5;
pub const PDF_METADATA_MOD_DATE: i32 = 6;
pub const PDF_VERSION__1_4: i32 = 0;
pub const PDF_VERSION__1_5: i32 = 1;
pub const PDF_VERSION__1_6: i32 = 2;
pub const PDF_VERSION__1_7: i32 = 3;
pub const SVG_VERSION__1_1: i32 = 0;
pub const SVG_VERSION__1_2: i32 = 1;
pub const PS_LEVEL__2: i32 = 0;
pub const PS_LEVEL__3: i32 = 1;
pub const MESH_CORNER_MESH_CORNER0: u32 = 0;
pub const MESH_CORNER_MESH_CORNER1: u32 = 1;
pub const MESH_CORNER_MESH_CORNER2: u32 = 2;
pub const MESH_CORNER_MESH_CORNER3: u32 = 3;
pub const CAIRO_FT_SYNTHESIZE_BOLD: u32 = 1;
pub const CAIRO_FT_SYNTHESIZE_OBLIQUE: u32 = 2;
pub const CAIRO_SCRIPT_MODE_ASCII: i32 = 0;
pub const CAIRO_SCRIPT_MODE_BINARY: i32 = 1;

pub const CAIRO_DEVICE_TYPE_DRM: i32 = 0;
pub const CAIRO_DEVICE_TYPE_GL: i32 = 1;
pub const CAIRO_DEVICE_TYPE_SCRIPT: i32 = 2;
pub const CAIRO_DEVICE_TYPE_XCB: i32 = 3;
pub const CAIRO_DEVICE_TYPE_XLIB: i32 = 4;
pub const CAIRO_DEVICE_TYPE_XML: i32 = 5;
pub const CAIRO_DEVICE_TYPE_COGL: i32 = 6;
pub const CAIRO_DEVICE_TYPE_WIN32: i32 = 7;
pub const CAIRO_DEVICE_TYPE_INVALID: i32 = -1;