1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154

// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT

use crate::FontDescription;
#[cfg(feature = "v1_46")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_46")))]
use crate::FontFamily;
use glib::{prelude::*, translate::*};
use std::{fmt, mem, ptr};

glib::wrapper! {
    /// A [`FontFace`][crate::FontFace] is used to represent a group of fonts with
    /// the same family, slant, weight, and width, but varying sizes.
    ///
    /// This is an Abstract Base Class, you cannot instantiate it.
    ///
    /// # Implements
    ///
    /// [`FontFaceExt`][trait@crate::prelude::FontFaceExt]
    #[doc(alias = "PangoFontFace")]
    pub struct FontFace(Object<ffi::PangoFontFace, ffi::PangoFontFaceClass>);

    match fn {
        type_ => || ffi::pango_font_face_get_type(),
    }
}

impl FontFace {
    pub const NONE: Option<&'static FontFace> = None;
}

mod sealed {
    pub trait Sealed {}
    impl<T: super::IsA<super::FontFace>> Sealed for T {}
}

/// Trait containing all [`struct@FontFace`] methods.
///
/// # Implementors
///
/// [`FontFace`][struct@crate::FontFace]
pub trait FontFaceExt: IsA<FontFace> + sealed::Sealed + 'static {
    /// Returns a font description that matches the face.
    ///
    /// The resulting font description will have the family, style,
    /// variant, weight and stretch of the face, but its size field
    /// will be unset.
    ///
    /// # Returns
    ///
    /// a newly-created [`FontDescription`][crate::FontDescription] structure
    ///   holding the description of the face. Use `Pango::FontDescription::free()`
    ///   to free the result.
    #[doc(alias = "pango_font_face_describe")]
    fn describe(&self) -> FontDescription {
        unsafe {
            from_glib_full(ffi::pango_font_face_describe(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets a name representing the style of this face.
    ///
    /// Note that a font family may contain multiple faces
    /// with the same name (e.g. a variable and a non-variable
    /// face for the same style).
    ///
    /// # Returns
    ///
    /// the face name for the face. This string is
    ///   owned by the face object and must not be modified or freed.
    #[doc(alias = "pango_font_face_get_face_name")]
    #[doc(alias = "get_face_name")]
    fn face_name(&self) -> glib::GString {
        unsafe {
            from_glib_none(ffi::pango_font_face_get_face_name(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Gets the [`FontFamily`][crate::FontFamily] that @self belongs to.
    ///
    /// # Returns
    ///
    /// the [`FontFamily`][crate::FontFamily]
    #[cfg(feature = "v1_46")]
    #[cfg_attr(docsrs, doc(cfg(feature = "v1_46")))]
    #[doc(alias = "pango_font_face_get_family")]
    #[doc(alias = "get_family")]
    fn family(&self) -> FontFamily {
        unsafe {
            from_glib_none(ffi::pango_font_face_get_family(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// Returns whether a [`FontFace`][crate::FontFace] is synthesized.
    ///
    /// This will be the case if the underlying font rendering engine
    /// creates this face from another face, by shearing, emboldening,
    /// lightening or modifying it in some other way.
    ///
    /// # Returns
    ///
    /// whether @self is synthesized
    #[doc(alias = "pango_font_face_is_synthesized")]
    fn is_synthesized(&self) -> bool {
        unsafe {
            from_glib(ffi::pango_font_face_is_synthesized(
                self.as_ref().to_glib_none().0,
            ))
        }
    }

    /// List the available sizes for a font.
    ///
    /// This is only applicable to bitmap fonts. For scalable fonts, stores
    /// [`None`] at the location pointed to by @sizes and 0 at the location pointed
    /// to by @n_sizes. The sizes returned are in Pango units and are sorted
    /// in ascending order.
    ///
    /// # Returns
    ///
    ///
    /// ## `sizes`
    ///
    ///   location to store a pointer to an array of int. This array
    ///   should be freed with g_free().
    #[doc(alias = "pango_font_face_list_sizes")]
    fn list_sizes(&self) -> Vec<i32> {
        unsafe {
            let mut sizes = ptr::null_mut();
            let mut n_sizes = mem::MaybeUninit::uninit();
            ffi::pango_font_face_list_sizes(
                self.as_ref().to_glib_none().0,
                &mut sizes,
                n_sizes.as_mut_ptr(),
            );
            FromGlibContainer::from_glib_full_num(sizes, n_sizes.assume_init() as _)
        }
    }
}

impl<O: IsA<FontFace>> FontFaceExt for O {}

impl fmt::Display for FontFace {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("FontFace")
    }
}