1 // Take a look at the license at the top of the repository in the LICENSE file.
2
3 use crate::error::Error;
4 use std::ffi::CStr;
5 use std::fmt;
6
7 #[doc(alias = "cairo_debug_reset_static_data")]
debug_reset_static_data()8 pub unsafe fn debug_reset_static_data() {
9 ffi::cairo_debug_reset_static_data()
10 }
11
status_to_result(status: ffi::cairo_status_t) -> Result<(), Error>12 pub fn status_to_result(status: ffi::cairo_status_t) -> Result<(), Error> {
13 match status {
14 ffi::STATUS_SUCCESS => Ok(()),
15 err => Err(err.into()),
16 }
17 }
18
19 #[doc(alias = "cairo_version_string")]
20 #[doc(alias = "get_version_string")]
version_string() -> &'static str21 pub fn version_string() -> &'static str {
22 unsafe {
23 let ptr = ffi::cairo_version_string();
24 CStr::from_ptr(ptr)
25 .to_str()
26 .expect("invalid version string")
27 }
28 }
29
30 #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]
31 pub struct Version {
32 pub major: u8,
33 pub minor: u8,
34 pub micro: u8,
35 }
36
37 impl Version {
38 #[allow(clippy::self_named_constructors)]
39 #[doc(alias = "cairo_version")]
40 #[doc(alias = "get_version")]
version() -> Version41 pub fn version() -> Version {
42 let version = unsafe { ffi::cairo_version() };
43 Version {
44 major: (version / 10_000 % 100) as _,
45 minor: (version / 100 % 100) as _,
46 micro: (version % 100) as _,
47 }
48 }
49 }
50
51 impl fmt::Display for Version {
fmt(&self, f: &mut fmt::Formatter) -> fmt::Result52 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
53 write!(f, "{}.{}.{}", self.major, self.minor, self.micro)
54 }
55 }
56
57 #[cfg(test)]
58 mod tests {
59 use super::*;
60
61 #[test]
check_versions()62 fn check_versions() {
63 assert_eq!(version_string(), Version::version().to_string());
64 }
65 }
66