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#![allow(non_upper_case_globals)]
use std::cell::RefCell;
use std::marker::PhantomData;
use std::sync::{Arc, Mutex};
use allegro::Core;
use allegro_font_sys::*;
static mut initialized: bool = false;
thread_local!(static spawned_on_this_thread: RefCell<bool> = RefCell::new(false));
pub struct FontAddon
{
core_mutex: Arc<Mutex<()>>,
no_send_marker: PhantomData<*mut u8>,
}
impl FontAddon
{
pub fn init(core: &Core) -> Result<FontAddon, String>
{
let mutex = core.get_core_mutex();
let _guard = mutex.lock();
unsafe
{
if initialized
{
if spawned_on_this_thread.with(|x| *x.borrow())
{
Err("The font addon has already been created in this task.".to_string())
}
else
{
spawned_on_this_thread.with(|x| *x.borrow_mut() = true);
Ok(FontAddon{ core_mutex: core.get_core_mutex(), no_send_marker: PhantomData })
}
}
else
{
al_init_font_addon();
initialized = true;
spawned_on_this_thread.with(|x| *x.borrow_mut() = true);
Ok(FontAddon{ core_mutex: core.get_core_mutex(), no_send_marker: PhantomData })
}
}
}
pub fn get_version() -> i32
{
unsafe
{
al_get_allegro_font_version() as i32
}
}
pub fn get_core_mutex(&self) -> Arc<Mutex<()>>
{
self.core_mutex.clone()
}
}