pango/
color.rs

1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::fmt;
4
5use glib::translate::*;
6
7use crate::{ffi, Color};
8
9impl Color {
10    #[doc(alias = "pango_color_parse")]
11    pub fn parse(spec: &str) -> Result<Self, glib::BoolError> {
12        unsafe {
13            let mut color = Self::uninitialized();
14            let is_success =
15                ffi::pango_color_parse(color.to_glib_none_mut().0, spec.to_glib_none().0);
16            if from_glib(is_success) {
17                Ok(color)
18            } else {
19                Err(glib::bool_error!("Failed to parse the color"))
20            }
21        }
22    }
23
24    #[cfg(feature = "v1_46")]
25    #[cfg_attr(docsrs, doc(cfg(feature = "v1_46")))]
26    #[doc(alias = "pango_color_parse_with_alpha")]
27    pub fn parse_with_alpha(spec: &str) -> Result<(Self, u16), glib::BoolError> {
28        unsafe {
29            let mut color = Self::uninitialized();
30            let mut alpha = std::mem::MaybeUninit::uninit();
31            let is_success = ffi::pango_color_parse_with_alpha(
32                color.to_glib_none_mut().0,
33                alpha.as_mut_ptr(),
34                spec.to_glib_none().0,
35            );
36            if from_glib(is_success) {
37                Ok((color, alpha.assume_init()))
38            } else {
39                Err(glib::bool_error!("Failed to parse the color with alpha"))
40            }
41        }
42    }
43
44    pub fn red(&self) -> u16 {
45        unsafe { *self.to_glib_none().0 }.red
46    }
47
48    pub fn green(&self) -> u16 {
49        unsafe { *self.to_glib_none().0 }.green
50    }
51
52    pub fn blue(&self) -> u16 {
53        unsafe { *self.to_glib_none().0 }.blue
54    }
55}
56
57impl fmt::Debug for Color {
58    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
59        f.debug_struct("Color")
60            .field("red", &self.red())
61            .field("green", &self.green())
62            .field("blue", &self.blue())
63            .finish()
64    }
65}
66
67impl std::str::FromStr for Color {
68    type Err = glib::BoolError;
69    fn from_str(s: &str) -> Result<Self, Self::Err> {
70        Color::parse(s)
71    }
72}
pango/color.rs

pango/
color.rs
