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use crate::error::Error;
use std::ffi::CStr;
use std::fmt;
#[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 {
pub major: u8,
pub minor: u8,
pub micro: u8,
}
impl Version {
#[doc(alias = "cairo_version")]
#[doc(alias = "get_version")]
pub fn version() -> Version {
let version = unsafe { ffi::cairo_version() };
Version {
major: (version / 10_000 % 100) as _,
minor: (version / 100 % 100) as _,
micro: (version % 100) as _,
}
}
}
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::version().to_string());
}
}