servicepoint-binding-c/src/commands/global_brightness_command.rs
2025-05-24 13:50:01 +02:00

58 lines
1.6 KiB
Rust

use crate::mem::{heap_clone, heap_drop, heap_move_nonnull, heap_remove};
use servicepoint::{
BitmapCommand, Brightness, GlobalBrightnessCommand, Packet,
};
use std::ptr::NonNull;
/// Set the brightness of all tiles to the same value.
///
/// Returns: a new [GlobalBrightnessCommand] instance.
#[no_mangle]
pub unsafe extern "C" fn sp_cmd_brightness_global_new(
brightness: Brightness,
) -> NonNull<GlobalBrightnessCommand> {
heap_move_nonnull(GlobalBrightnessCommand::from(brightness))
}
#[no_mangle]
pub unsafe extern "C" fn sp_cmd_brightness_global_into_packet(
command: NonNull<GlobalBrightnessCommand>,
) -> NonNull<Packet> {
heap_move_nonnull(unsafe { heap_remove(command) }.into())
}
/// Clones an [GlobalBrightnessCommand] instance.
///
/// returns: a new [GlobalBrightnessCommand] instance.
#[no_mangle]
pub unsafe extern "C" fn sp_cmd_brightness_global_clone(
command: NonNull<GlobalBrightnessCommand>,
) -> NonNull<GlobalBrightnessCommand> {
unsafe { heap_clone(command) }
}
#[no_mangle]
pub unsafe extern "C" fn sp_cmd_brightness_global_free(
command: NonNull<BitmapCommand>,
) {
unsafe { heap_drop(command) }
}
/// Moves the provided bitmap to be contained in the command.
#[no_mangle]
pub unsafe extern "C" fn sp_cmd_brightness_global_set(
mut command: NonNull<GlobalBrightnessCommand>,
brightness: Brightness,
) {
unsafe {
command.as_mut().brightness = brightness;
}
}
#[no_mangle]
pub unsafe extern "C" fn sp_cmd_brightness_global_get(
mut command: NonNull<GlobalBrightnessCommand>,
) -> Brightness {
unsafe { command.as_mut().brightness }
}