pango/auto/
font_map.rs

1// This file was generated by gir (https://github.com/gtk-rs/gir)
2// from gir-files (https://github.com/gtk-rs/gir-files)
3// DO NOT EDIT
4
5use glib::object::IsA;
6use glib::translate::*;
7use glib::GString;
8use pango_sys;
9use std::fmt;
10use std::mem;
11use std::ptr;
12use Context;
13use Font;
14use FontDescription;
15use FontFamily;
16use Fontset;
17use Language;
18
19glib_wrapper! {
20    pub struct FontMap(Object<pango_sys::PangoFontMap, pango_sys::PangoFontMapClass, FontMapClass>);
21
22    match fn {
23        get_type => || pango_sys::pango_font_map_get_type(),
24    }
25}
26
27pub const NONE_FONT_MAP: Option<&FontMap> = None;
28
29pub trait FontMapExt: 'static {
30    fn changed(&self);
31
32    fn create_context(&self) -> Option<Context>;
33
34    fn get_serial(&self) -> u32;
35
36    #[cfg_attr(feature = "v1_38", deprecated)]
37    fn get_shape_engine_type(&self) -> Option<GString>;
38
39    fn list_families(&self) -> Vec<FontFamily>;
40
41    fn load_font(&self, context: &Context, desc: &FontDescription) -> Option<Font>;
42
43    fn load_fontset(
44        &self,
45        context: &Context,
46        desc: &FontDescription,
47        language: &Language,
48    ) -> Option<Fontset>;
49}
50
51impl<O: IsA<FontMap>> FontMapExt for O {
52    fn changed(&self) {
53        unsafe {
54            pango_sys::pango_font_map_changed(self.as_ref().to_glib_none().0);
55        }
56    }
57
58    fn create_context(&self) -> Option<Context> {
59        unsafe {
60            from_glib_full(pango_sys::pango_font_map_create_context(
61                self.as_ref().to_glib_none().0,
62            ))
63        }
64    }
65
66    fn get_serial(&self) -> u32 {
67        unsafe { pango_sys::pango_font_map_get_serial(self.as_ref().to_glib_none().0) }
68    }
69
70    fn get_shape_engine_type(&self) -> Option<GString> {
71        unsafe {
72            from_glib_none(pango_sys::pango_font_map_get_shape_engine_type(
73                self.as_ref().to_glib_none().0,
74            ))
75        }
76    }
77
78    fn list_families(&self) -> Vec<FontFamily> {
79        unsafe {
80            let mut families = ptr::null_mut();
81            let mut n_families = mem::uninitialized();
82            pango_sys::pango_font_map_list_families(
83                self.as_ref().to_glib_none().0,
84                &mut families,
85                &mut n_families,
86            );
87            FromGlibContainer::from_glib_container_num(families, n_families as usize)
88        }
89    }
90
91    fn load_font(&self, context: &Context, desc: &FontDescription) -> Option<Font> {
92        unsafe {
93            from_glib_full(pango_sys::pango_font_map_load_font(
94                self.as_ref().to_glib_none().0,
95                context.to_glib_none().0,
96                desc.to_glib_none().0,
97            ))
98        }
99    }
100
101    fn load_fontset(
102        &self,
103        context: &Context,
104        desc: &FontDescription,
105        language: &Language,
106    ) -> Option<Fontset> {
107        unsafe {
108            from_glib_full(pango_sys::pango_font_map_load_fontset(
109                self.as_ref().to_glib_none().0,
110                context.to_glib_none().0,
111                desc.to_glib_none().0,
112                mut_override(language.to_glib_none().0),
113            ))
114        }
115    }
116}
117
118impl fmt::Display for FontMap {
119    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
120        write!(f, "FontMap")
121    }
122}