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use crate::io::{BackendFlags, Io, validate_backend_flags};
use std::ffi::{CStr, c_void};
impl Io {
/// Returns the backend platform name, if set.
///
/// Note: to set this safely, use `Context::set_platform_name()`.
#[doc(alias = "BackendPlatformName")]
pub fn backend_platform_name(&self) -> Option<&CStr> {
let ptr = self.inner().BackendPlatformName;
unsafe { (!ptr.is_null()).then(|| CStr::from_ptr(ptr)) }
}
/// Returns the backend renderer name, if set.
///
/// Note: to set this safely, use `Context::set_renderer_name()`.
#[doc(alias = "BackendRendererName")]
pub fn backend_renderer_name(&self) -> Option<&CStr> {
let ptr = self.inner().BackendRendererName;
unsafe { (!ptr.is_null()).then(|| CStr::from_ptr(ptr)) }
}
/// Returns the backend platform user data pointer.
#[doc(alias = "BackendPlatformUserData")]
pub fn backend_platform_user_data(&self) -> *mut c_void {
self.inner().BackendPlatformUserData
}
/// Set the backend platform user data pointer.
///
/// # Safety
///
/// `user_data` must be null or point to the state expected by every installed platform
/// callback. That state must remain valid until the callbacks are removed and the pointer is
/// cleared.
#[doc(alias = "BackendPlatformUserData")]
pub unsafe fn set_backend_platform_user_data(&mut self, user_data: *mut c_void) {
self.inner_mut().BackendPlatformUserData = user_data;
}
/// Returns the backend renderer user data pointer.
#[doc(alias = "BackendRendererUserData")]
pub fn backend_renderer_user_data(&self) -> *mut c_void {
self.inner().BackendRendererUserData
}
/// Set the backend renderer user data pointer.
///
/// # Safety
///
/// `user_data` must be null or point to the state expected by every installed renderer
/// callback. That state must remain valid until the callbacks are removed and the pointer is
/// cleared.
#[doc(alias = "BackendRendererUserData")]
pub unsafe fn set_backend_renderer_user_data(&mut self, user_data: *mut c_void) {
self.inner_mut().BackendRendererUserData = user_data;
}
/// Returns the backend language user data pointer.
#[doc(alias = "BackendLanguageUserData")]
pub fn backend_language_user_data(&self) -> *mut c_void {
self.inner().BackendLanguageUserData
}
/// Set the backend language user data pointer.
///
/// # Safety
///
/// `user_data` must be null or point to state whose layout and lifetime match every language
/// binding operation that may read it. Clear the pointer before releasing that state.
#[doc(alias = "BackendLanguageUserData")]
pub unsafe fn set_backend_language_user_data(&mut self, user_data: *mut c_void) {
self.inner_mut().BackendLanguageUserData = user_data;
}
/// Backend flags
pub fn backend_flags(&self) -> BackendFlags {
BackendFlags::from_bits_retain(self.inner().BackendFlags)
}
/// Set backend flags
pub fn set_backend_flags(&mut self, flags: BackendFlags) {
validate_backend_flags("Io::set_backend_flags()", flags);
self.inner_mut().BackendFlags = flags.bits();
}
}