pangocairo/
font_map.rs

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1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use glib::{prelude::*, translate::*};
4
5use crate::{ffi, FontMap};
6
7pub trait PangoCairoFontMapExtManual: IsA<FontMap> + 'static {
8    /// Gets the type of Cairo font backend that @self uses.
9    ///
10    /// # Returns
11    ///
12    /// the [`cairo::FontType`][crate::cairo::FontType] cairo font backend type
13    #[doc(alias = "pango_cairo_font_map_get_font_type")]
14    #[doc(alias = "get_font_type")]
15    fn font_type(&self) -> cairo::FontType {
16        unsafe { ffi::pango_cairo_font_map_get_font_type(self.as_ref().to_glib_none().0).into() }
17    }
18}
19
20impl<O: IsA<FontMap>> PangoCairoFontMapExtManual for O {}
21
22impl FontMap {
23    #[doc(alias = "pango_cairo_font_map_new_for_font_type")]
24    #[doc(alias = "new_for_font_type")]
25    pub fn for_font_type(fonttype: cairo::FontType) -> Option<pango::FontMap> {
26        unsafe { from_glib_full(ffi::pango_cairo_font_map_new_for_font_type(fonttype.into())) }
27    }
28
29    /// Creates a new [`FontMap`][crate::FontMap] object.
30    ///
31    /// A fontmap is used to cache information about available fonts,
32    /// and holds certain global parameters such as the resolution.
33    /// In most cases, you can use `func@PangoCairo.font_map_get_default]
34    /// instead.
35    ///
36    /// Note that the type of the returned object will depend
37    /// on the particular font backend Cairo was compiled to use;
38    /// You generally should only use the [`pango::FontMap`][crate::pango::FontMap] and
39    /// [`FontMap`][crate::FontMap] interfaces on the returned object.
40    ///
41    /// You can override the type of backend returned by using an
42    /// environment variable `PANGOCAIRO_BACKEND`. Supported types,
43    /// based on your build, are fc (fontconfig), win32, and coretext.
44    /// If requested type is not available, NULL is returned. Ie.
45    /// this is only useful for testing, when at least two backends
46    /// are compiled in.
47    ///
48    /// # Returns
49    ///
50    /// the newly allocated [`pango::FontMap`][crate::pango::FontMap],
51    ///   which should be freed with g_object_unref().
52    #[allow(clippy::new_ret_no_self)]
53    #[doc(alias = "pango_cairo_font_map_new")]
54    pub fn new() -> pango::FontMap {
55        unsafe { from_glib_full(ffi::pango_cairo_font_map_new()) }
56    }
57
58    #[doc(alias = "pango_cairo_font_map_set_default")]
59    pub fn set_default(font_map: Option<&Self>) {
60        unsafe {
61            ffi::pango_cairo_font_map_set_default(font_map.as_ref().to_glib_none().0);
62        }
63    }
64}
pangocairo/font_map.rs

pangocairo/
font_map.rs
