pango/auto/
matrix.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 crate::ffi;
6use glib::translate::*;
7
8glib::wrapper! {
9    pub struct Matrix(BoxedInline<ffi::PangoMatrix>);
10
11    match fn {
12        copy => |ptr| ffi::pango_matrix_copy(ptr),
13        free => |ptr| ffi::pango_matrix_free(ptr),
14        type_ => || ffi::pango_matrix_get_type(),
15    }
16}
17
18impl Matrix {
19    #[doc(alias = "pango_matrix_concat")]
20    pub fn concat(&mut self, new_matrix: &Matrix) {
21        unsafe {
22            ffi::pango_matrix_concat(self.to_glib_none_mut().0, new_matrix.to_glib_none().0);
23        }
24    }
25
26    #[doc(alias = "pango_matrix_get_font_scale_factor")]
27    #[doc(alias = "get_font_scale_factor")]
28    pub fn font_scale_factor(&self) -> f64 {
29        unsafe { ffi::pango_matrix_get_font_scale_factor(self.to_glib_none().0) }
30    }
31
32    #[doc(alias = "pango_matrix_get_font_scale_factors")]
33    #[doc(alias = "get_font_scale_factors")]
34    pub fn font_scale_factors(&self) -> (f64, f64) {
35        unsafe {
36            let mut xscale = std::mem::MaybeUninit::uninit();
37            let mut yscale = std::mem::MaybeUninit::uninit();
38            ffi::pango_matrix_get_font_scale_factors(
39                self.to_glib_none().0,
40                xscale.as_mut_ptr(),
41                yscale.as_mut_ptr(),
42            );
43            (xscale.assume_init(), yscale.assume_init())
44        }
45    }
46
47    #[cfg(feature = "v1_50")]
48    #[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
49    #[doc(alias = "pango_matrix_get_slant_ratio")]
50    #[doc(alias = "get_slant_ratio")]
51    pub fn slant_ratio(&self) -> f64 {
52        unsafe { ffi::pango_matrix_get_slant_ratio(self.to_glib_none().0) }
53    }
54
55    #[doc(alias = "pango_matrix_rotate")]
56    pub fn rotate(&mut self, degrees: f64) {
57        unsafe {
58            ffi::pango_matrix_rotate(self.to_glib_none_mut().0, degrees);
59        }
60    }
61
62    #[doc(alias = "pango_matrix_scale")]
63    pub fn scale(&mut self, scale_x: f64, scale_y: f64) {
64        unsafe {
65            ffi::pango_matrix_scale(self.to_glib_none_mut().0, scale_x, scale_y);
66        }
67    }
68
69    #[doc(alias = "pango_matrix_transform_distance")]
70    pub fn transform_distance(&self, dx: &mut f64, dy: &mut f64) {
71        unsafe {
72            ffi::pango_matrix_transform_distance(self.to_glib_none().0, dx, dy);
73        }
74    }
75
76    #[doc(alias = "pango_matrix_transform_point")]
77    pub fn transform_point(&self, x: &mut f64, y: &mut f64) {
78        unsafe {
79            ffi::pango_matrix_transform_point(self.to_glib_none().0, x, y);
80        }
81    }
82
83    #[doc(alias = "pango_matrix_translate")]
84    pub fn translate(&mut self, tx: f64, ty: f64) {
85        unsafe {
86            ffi::pango_matrix_translate(self.to_glib_none_mut().0, tx, ty);
87        }
88    }
89}