use std::{ffi::CStr, fmt};
use crate::{ffi, Error};
#[doc(alias = "cairo_debug_reset_static_data")]
pub unsafe fn debug_reset_static_data() {
ffi::cairo_debug_reset_static_data()
}
pub fn status_to_result(status: ffi::cairo_status_t) -> Result<(), Error> {
match status {
ffi::STATUS_SUCCESS => Ok(()),
err => Err(err.into()),
}
}
#[doc(alias = "cairo_version_string")]
#[doc(alias = "get_version_string")]
pub fn version_string() -> &'static str {
unsafe {
let ptr = ffi::cairo_version_string();
CStr::from_ptr(ptr)
.to_str()
.expect("invalid version string")
}
}
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Copy)]
pub struct Version {
major: u8,
minor: u8,
micro: u8,
}
impl Version {
#[doc(alias = "cairo_version")]
#[doc(alias = "get_version")]
pub fn new() -> Version {
let version = unsafe { ffi::cairo_version() };
Version {
major: (version / 10_000 % 100) as _,
minor: (version / 100 % 100) as _,
micro: (version % 100) as _,
}
}
pub fn major(self) -> u8 {
self.major
}
pub fn minor(self) -> u8 {
self.minor
}
pub fn micro(self) -> u8 {
self.micro
}
}
impl Default for Version {
fn default() -> Self {
Self::new()
}
}
impl fmt::Display for Version {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{}.{}.{}", self.major, self.minor, self.micro)
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn check_versions() {
assert_eq!(version_string(), Version::new().to_string());
}
}