servicepoint-binding-c/src/lib.rs
Vinzenz Schroeter f483b5a2d5
Some checks failed
Rust / build (pull_request) Failing after 1m25s
unify heap allocation handling
2025-04-12 18:05:01 +02:00

65 lines
1.7 KiB
Rust

//! C API wrapper for the [servicepoint](https://docs.rs/servicepoint/latest/servicepoint/) crate.
//!
//! # Examples
//!
//! Make sure to check out [this GitHub repo](https://github.com/arfst23/ServicePoint) as well!
//!
//! ```C
//! #include <stdio.h>
//! #include "servicepoint.h"
//!
//! int main(void) {
//! UdpConnection *connection = sp_connection_open("172.23.42.29:2342");
//! if (connection == NULL)
//! return 1;
//!
//! Bitmap *pixels = sp_bitmap_new(SP_PIXEL_WIDTH, SP_PIXEL_HEIGHT);
//! sp_bitmap_fill(pixels, true);
//!
//! TypedCommand *command = sp_command_bitmap_linear_win(0, 0, pixels, Uncompressed);
//! while (sp_connection_send_command(connection, sp_command_clone(command)));
//!
//! sp_command_free(command);
//! sp_connection_free(connection);
//! return 0;
//! }
//! ```
pub use crate::bitmap::*;
pub use crate::bitvec::*;
pub use crate::brightness_grid::*;
pub use crate::byte_slice::*;
pub use crate::char_grid::*;
pub use crate::command::*;
pub use crate::connection::*;
pub use crate::cp437_grid::*;
pub use crate::packet::*;
use std::ptr::NonNull;
mod bitmap;
mod bitvec;
mod brightness_grid;
mod byte_slice;
mod char_grid;
mod command;
mod connection;
mod cp437_grid;
mod packet;
use std::time::Duration;
/// Actual hardware limit is around 28-29ms/frame. Rounded up for less dropped packets.
pub const SP_FRAME_PACING_MS: u128 = Duration::from_millis(30).as_millis();
pub(crate) fn heap_move<T>(x: T) -> *mut T {
Box::into_raw(Box::new(x))
}
pub(crate) fn heap_move_nonnull<T>(x: T) -> NonNull<T> {
NonNull::from(Box::leak(Box::new(x)))
}
pub(crate) unsafe fn heap_drop<T>(x: NonNull<T>) {
drop(unsafe { Box::from_raw(x.as_ptr()) });
}