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separate types for c api

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This commit is contained in:
Vinzenz Schroeter 2024-06-23 15:42:15 +02:00
parent c554fbd800
commit 555d917d96
11 changed files with 648 additions and 162 deletions
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4
crates/servicepoint/examples/announce.rs
View file

@ -2,7 +2,7 @@
use clap::Parser;
use servicepoint::{Command, Connection, Cp473Grid, Grid, Origin};
use servicepoint::{Command, Connection, Cp437Grid, Grid, Origin};
#[derive(Parser, Debug)]
struct Cli {
@ -33,7 +33,7 @@ fn main() {
let max_width = cli.text.iter().map(|t| t.len()).max().unwrap();
let mut chars = Cp473Grid::new(max_width, cli.text.len());
let mut chars = Cp437Grid::new(max_width, cli.text.len());
for y in 0..cli.text.len() {
let row = &cli.text[y];

6
crates/servicepoint/src/command.rs
View file

@ -13,7 +13,7 @@ pub type Offset = usize;
/// A grid containing codepage 437 characters.
///
/// The encoding is currently not enforced.
pub type Cp473Grid = PrimitiveGrid<u8>;
pub type Cp437Grid = PrimitiveGrid<u8>;
/// A command to send to the display.
#[derive(Debug, Clone, PartialEq)]
@ -27,7 +27,7 @@ pub enum Command {
/// The library does not currently convert between UTF-8 and CP-437.
/// Because Rust expects UTF-8 strings, it might be necessary to only send ASCII for now.
/// </div>
Cp437Data(Origin<Tiles>, Cp473Grid),
Cp437Data(Origin<Tiles>, Cp437Grid),
/// Sets a window of pixels to the specified values
BitmapLinearWin(Origin<Pixels>, PixelGrid, CompressionCode),
@ -276,7 +276,7 @@ impl TryFrom<Packet> for Command {
let Packet(_, payload) = packet;
Ok(Command::Cp437Data(
Origin::new(a as usize, b as usize),
Cp473Grid::load(c as usize, d as usize, &payload),
Cp437Grid::load(c as usize, d as usize, &payload),
))
}
CommandCode::CharBrightness => {

2
crates/servicepoint/src/lib.rs
View file

@ -6,7 +6,7 @@ pub use bitvec;
use bitvec::prelude::{BitVec, Msb0};
pub use crate::brightness::{Brightness, BrightnessGrid};
pub use crate::command::{Command, Cp473Grid, Offset};
pub use crate::command::{Command, Cp437Grid, Offset};
pub use crate::compression_code::CompressionCode;
pub use crate::connection::Connection;
pub use crate::data_ref::DataRef;

2
crates/servicepoint_binding_c/cbindgen.toml
View file

@ -33,4 +33,4 @@ include = ["servicepoint"]
extra_bindings = ["servicepoint"]
[parse.expand]
#all_features = true
all_features = true

317
crates/servicepoint_binding_c/examples/lang_c/include/servicepoint.h
View file

@ -70,14 +70,18 @@ typedef uint16_t sp_CompressionCode;
#endif // __cplusplus
/**
* A fixed-size vector of bits
* A display brightness value, checked for correct value range
*/
typedef struct sp_BitVec sp_BitVec;
typedef struct sp_Brightness sp_Brightness;
/**
* A 2D grid of bytes
* Opaque struct needed for correct code generation.
*/
typedef struct sp_ByteGrid sp_ByteGrid;
typedef struct sp_CBitVec sp_CBitVec;
typedef struct sp_CBrightnessGrid sp_CBrightnessGrid;
typedef struct sp_CCp437Grid sp_CCp437Grid;
/**
* A command to send to the display.
@ -99,6 +103,16 @@ typedef struct sp_Packet sp_Packet;
*/
typedef struct sp_PixelGrid sp_PixelGrid;
/**
* A 2D grid of bytes
*/
typedef struct sp_PrimitiveGrid_Brightness sp_PrimitiveGrid_Brightness;
/**
* A 2D grid of bytes
*/
typedef struct sp_PrimitiveGrid_u8 sp_PrimitiveGrid_u8;
/**
* Represents a span of memory (`&mut [u8]` ) as a struct usable by C code.
*
@ -127,9 +141,20 @@ typedef struct sp_CByteSlice {
typedef size_t sp_Offset;
/**
* Type alias for documenting the meaning of the u16 in enum values
* A grid containing brightness values.
*/
typedef uint8_t sp_Brightness;
typedef struct sp_PrimitiveGrid_Brightness sp_BrightnessGrid;
/**
* A grid containing codepage 437 characters.
*
* The encoding is currently not enforced.
*/
typedef struct sp_PrimitiveGrid_u8 sp_Cp437Grid;
#ifdef __cplusplus
extern "C" {
@ -147,7 +172,7 @@ extern "C" {
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_bit_vec_dealloc`.
*/
struct sp_BitVec *sp_bit_vec_clone(const struct sp_BitVec *this_);
struct sp_CBitVec *sp_bit_vec_clone(const struct sp_CBitVec *this_);
/**
* Deallocates a `BitVec`.
@ -160,7 +185,7 @@ struct sp_BitVec *sp_bit_vec_clone(const struct sp_BitVec *this_);
* - `this` is not used concurrently or after this call
* - `this` was not passed to another consuming function, e.g. to create a `Command`
*/
void sp_bit_vec_dealloc(struct sp_BitVec *this_);
void sp_bit_vec_dealloc(struct sp_CBitVec *this_);
/**
* Sets the value of all bits in the `BitVec`.
@ -176,7 +201,7 @@ void sp_bit_vec_dealloc(struct sp_BitVec *this_);
* - `this` points to a valid `BitVec`
* - `this` is not written to or read from concurrently
*/
void sp_bit_vec_fill(struct sp_BitVec *this_, bool value);
void sp_bit_vec_fill(struct sp_CBitVec *this_, bool value);
/**
* Gets the value of a bit from the `BitVec`.
@ -199,7 +224,7 @@ void sp_bit_vec_fill(struct sp_BitVec *this_, bool value);
* - `this` points to a valid `BitVec`
* - `this` is not written to concurrently
*/
bool sp_bit_vec_get(const struct sp_BitVec *this_, size_t index);
bool sp_bit_vec_get(const struct sp_CBitVec *this_, size_t index);
/**
* Returns true if length is 0.
@ -210,7 +235,7 @@ bool sp_bit_vec_get(const struct sp_BitVec *this_, size_t index);
*
* - `this` points to a valid `BitVec`
*/
bool sp_bit_vec_is_empty(const struct sp_BitVec *this_);
bool sp_bit_vec_is_empty(const struct sp_CBitVec *this_);
/**
* Gets the length of the `BitVec` in bits.
@ -221,7 +246,7 @@ bool sp_bit_vec_is_empty(const struct sp_BitVec *this_);
*
* - `this` points to a valid `BitVec`
*/
size_t sp_bit_vec_len(const struct sp_BitVec *this_);
size_t sp_bit_vec_len(const struct sp_CBitVec *this_);
/**
* Interpret the data as a series of bits and load then into a new `BitVec` instance.
@ -235,7 +260,7 @@ size_t sp_bit_vec_len(const struct sp_BitVec *this_);
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_bit_vec_dealloc`.
*/
struct sp_BitVec *sp_bit_vec_load(const uint8_t *data,
struct sp_CBitVec *sp_bit_vec_load(const uint8_t *data,
size_t data_length);
/**
@ -258,7 +283,7 @@ struct sp_BitVec *sp_bit_vec_load(const uint8_t *data,
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_bit_vec_dealloc`.
*/
struct sp_BitVec *sp_bit_vec_new(size_t size);
struct sp_CBitVec *sp_bit_vec_new(size_t size);
/**
* Sets the value of a bit in the `BitVec`.
@ -282,7 +307,7 @@ struct sp_BitVec *sp_bit_vec_new(size_t size);
* - `this` points to a valid `BitVec`
* - `this` is not written to or read from concurrently
*/
bool sp_bit_vec_set(struct sp_BitVec *this_, size_t index, bool value);
void sp_bit_vec_set(struct sp_CBitVec *this_, size_t index, bool value);
/**
* Gets an unsafe reference to the data of the `BitVec` instance.
@ -295,37 +320,37 @@ bool sp_bit_vec_set(struct sp_BitVec *this_, size_t index, bool value);
* - the returned memory range is never accessed after the passed `BitVec` has been freed
* - the returned memory range is never accessed concurrently, either via the `BitVec` or directly
*/
struct sp_CByteSlice sp_bit_vec_unsafe_data_ref(struct sp_BitVec *this_);
struct sp_CByteSlice sp_bit_vec_unsafe_data_ref(struct sp_CBitVec *this_);
/**
* Clones a `ByteGrid`.
* Clones a `BrightnessGrid`.
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - `this` points to a valid `BrightnessGrid`
* - `this` is not written to concurrently
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_byte_grid_dealloc`.
* by explicitly calling `sp_brightness_grid_dealloc`.
*/
struct sp_ByteGrid *sp_byte_grid_clone(const struct sp_ByteGrid *this_);
struct sp_CBrightnessGrid *sp_brightness_grid_clone(const struct sp_CBrightnessGrid *this_);
/**
* Deallocates a `ByteGrid`.
* Deallocates a `BrightnessGrid`.
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - `this` points to a valid `BrightnessGrid`
* - `this` is not used concurrently or after this call
* - `this` was not passed to another consuming function, e.g. to create a `Command`
*/
void sp_byte_grid_dealloc(struct sp_ByteGrid *this_);
void sp_brightness_grid_dealloc(struct sp_CBrightnessGrid *this_);
/**
* Sets the value of all cells in the `ByteGrid`.
* Sets the value of all cells in the `BrightnessGrid`.
*
* # Arguments
*
@ -336,10 +361,10 @@ void sp_byte_grid_dealloc(struct sp_ByteGrid *this_);
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - `this` points to a valid `BrightnessGrid`
* - `this` is not written to or read from concurrently
*/
void sp_byte_grid_fill(struct sp_ByteGrid *this_, uint8_t value);
void sp_brightness_grid_fill(struct sp_CBrightnessGrid *this_, uint8_t value);
/**
* Gets the current value at the specified position.
@ -357,13 +382,15 @@ void sp_byte_grid_fill(struct sp_ByteGrid *this_, uint8_t value);
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - `this` points to a valid `BrightnessGrid`
* - `this` is not written to concurrently
*/
uint8_t sp_byte_grid_get(const struct sp_ByteGrid *this_, size_t x, size_t y);
uint8_t sp_brightness_grid_get(const struct sp_CBrightnessGrid *this_,
size_t x,
size_t y);
/**
* Gets the height of the `ByteGrid` instance.
* Gets the height of the `BrightnessGrid` instance.
*
* # Arguments
*
@ -373,12 +400,12 @@ uint8_t sp_byte_grid_get(const struct sp_ByteGrid *this_, size_t x, size_t y);
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - `this` points to a valid `BrightnessGrid`
*/
size_t sp_byte_grid_height(const struct sp_ByteGrid *this_);
size_t sp_brightness_grid_height(const struct sp_CBrightnessGrid *this_);
/**
* Loads a `ByteGrid` with the specified dimensions from the provided data.
* Loads a `BrightnessGrid` with the specified dimensions from the provided data.
*
* # Panics
*
@ -391,30 +418,30 @@ size_t sp_byte_grid_height(const struct sp_ByteGrid *this_);
* - `data` points to a valid memory location of at least `data_length`
* bytes in size.
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_byte_grid_dealloc`.
* by explicitly calling `sp_brightness_grid_dealloc`.
*/
struct sp_ByteGrid *sp_byte_grid_load(size_t width,
struct sp_CBrightnessGrid *sp_brightness_grid_load(size_t width,
size_t height,
const uint8_t *data,
size_t data_length);
/**
* Creates a new `ByteGrid` with the specified dimensions.
* Creates a new `BrightnessGrid` with the specified dimensions.
*
* returns: `ByteGrid` initialized to 0.
* returns: `BrightnessGrid` initialized to 0.
*
* # Safety
*
* The caller has to make sure that:
*
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_byte_grid_dealloc`.
* by explicitly calling `sp_brightness_grid_dealloc`.
*/
struct sp_ByteGrid *sp_byte_grid_new(size_t width,
struct sp_CBrightnessGrid *sp_brightness_grid_new(size_t width,
size_t height);
/**
* Sets the value of the specified position in the `ByteGrid`.
* Sets the value of the specified position in the `BrightnessGrid`.
*
* # Arguments
*
@ -435,26 +462,26 @@ struct sp_ByteGrid *sp_byte_grid_new(size_t width,
* - `this` points to a valid `BitVec`
* - `this` is not written to or read from concurrently
*/
void sp_byte_grid_set(struct sp_ByteGrid *this_,
void sp_brightness_grid_set(struct sp_CBrightnessGrid *this_,
size_t x,
size_t y,
uint8_t value);
/**
* Gets an unsafe reference to the data of the `ByteGrid` instance.
* Gets an unsafe reference to the data of the `BrightnessGrid` instance.
*
* ## Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - the returned memory range is never accessed after the passed `ByteGrid` has been freed
* - the returned memory range is never accessed concurrently, either via the `ByteGrid` or directly
* - `this` points to a valid `BrightnessGrid`
* - the returned memory range is never accessed after the passed `BrightnessGrid` has been freed
* - the returned memory range is never accessed concurrently, either via the `BrightnessGrid` or directly
*/
struct sp_CByteSlice sp_byte_grid_unsafe_data_ref(struct sp_ByteGrid *this_);
struct sp_CByteSlice sp_brightness_grid_unsafe_data_ref(struct sp_CBrightnessGrid *this_);
/**
* Gets the width of the `ByteGrid` instance.
* Gets the width of the `BrightnessGrid` instance.
*
* # Arguments
*
@ -464,9 +491,9 @@ struct sp_CByteSlice sp_byte_grid_unsafe_data_ref(struct sp_ByteGrid *this_);
*
* The caller has to make sure that:
*
* - `this` points to a valid `ByteGrid`
* - `this` points to a valid `BrightnessGrid`
*/
size_t sp_byte_grid_width(const struct sp_ByteGrid *this_);
size_t sp_brightness_grid_width(const struct sp_CBrightnessGrid *this_);
/**
* Allocates a new `Command::BitmapLinear` instance.
@ -483,7 +510,7 @@ size_t sp_byte_grid_width(const struct sp_ByteGrid *this_);
* by explicitly calling `sp_command_dealloc`.
*/
struct sp_Command *sp_command_bitmap_linear(sp_Offset offset,
struct sp_BitVec *bit_vec,
struct sp_CBitVec *bit_vec,
sp_CompressionCode compression);
/**
@ -501,7 +528,7 @@ struct sp_Command *sp_command_bitmap_linear(sp_Offset offset,
* by explicitly calling `sp_command_dealloc`.
*/
struct sp_Command *sp_command_bitmap_linear_and(sp_Offset offset,
struct sp_BitVec *bit_vec,
struct sp_CBitVec *bit_vec,
sp_CompressionCode compression);
/**
@ -519,7 +546,7 @@ struct sp_Command *sp_command_bitmap_linear_and(sp_Offset offset,
* by explicitly calling `sp_command_dealloc`.
*/
struct sp_Command *sp_command_bitmap_linear_or(sp_Offset offset,
struct sp_BitVec *bit_vec,
struct sp_CBitVec *bit_vec,
sp_CompressionCode compression);
/**
@ -556,11 +583,16 @@ struct sp_Command *sp_command_bitmap_linear_win(size_t x,
* by explicitly calling `sp_command_dealloc`.
*/
struct sp_Command *sp_command_bitmap_linear_xor(sp_Offset offset,
struct sp_BitVec *bit_vec,
struct sp_CBitVec *bit_vec,
sp_CompressionCode compression);
/**
* Allocates a new `Command::Brightness` instance.
* Allocates a new `Command::Brightness` instance for setting the brightness of all tiles to the
* same value.
*
* # Panics
*
* - When the provided brightness value is out of range (0-11).
*
* # Safety
*
@ -569,7 +601,7 @@ struct sp_Command *sp_command_bitmap_linear_xor(sp_Offset offset,
* - the returned `Command` instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_command_dealloc`.
*/
struct sp_Command *sp_command_brightness(sp_Brightness brightness);
struct sp_Command *sp_command_brightness(uint8_t brightness);
/**
* Allocates a new `Command::CharBrightness` instance.
@ -586,7 +618,7 @@ struct sp_Command *sp_command_brightness(sp_Brightness brightness);
*/
struct sp_Command *sp_command_char_brightness(size_t x,
size_t y,
struct sp_ByteGrid *byte_grid);
sp_BrightnessGrid *byte_grid);
/**
* Allocates a new `Command::Clear` instance.
@ -629,7 +661,7 @@ struct sp_Command *sp_command_clone(const struct sp_Command *original);
*/
struct sp_Command *sp_command_cp437_data(size_t x,
size_t y,
struct sp_ByteGrid *byte_grid);
sp_Cp437Grid *byte_grid);
/**
* Deallocates a `Command`.
@ -732,6 +764,179 @@ struct sp_Connection *sp_connection_open(const char *host);
bool sp_connection_send(const struct sp_Connection *connection,
struct sp_Packet *packet);
/**
* Clones a `Cp437Grid`.
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
* - `this` is not written to concurrently
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_cp437_grid_dealloc`.
*/
struct sp_CCp437Grid *sp_cp437_grid_clone(const struct sp_CCp437Grid *this_);
/**
* Deallocates a `Cp437Grid`.
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
* - `this` is not used concurrently or after this call
* - `this` was not passed to another consuming function, e.g. to create a `Command`
*/
void sp_cp437_grid_dealloc(struct sp_CCp437Grid *this_);
/**
* Sets the value of all cells in the `Cp437Grid`.
*
* # Arguments
*
* * `this`: instance to write to
* * `value`: the value to set all cells to
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
* - `this` is not written to or read from concurrently
*/
void sp_cp437_grid_fill(struct sp_CCp437Grid *this_, uint8_t value);
/**
* Gets the current value at the specified position.
*
* # Arguments
*
* * `this`: instance to read from
* * `x` and `y`: position of the cell to read
*
* # Panics
*
* When accessing `x` or `y` out of bounds.
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
* - `this` is not written to concurrently
*/
uint8_t sp_cp437_grid_get(const struct sp_CCp437Grid *this_,
size_t x,
size_t y);
/**
* Gets the height of the `Cp437Grid` instance.
*
* # Arguments
*
* * `this`: instance to read from
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
*/
size_t sp_cp437_grid_height(const struct sp_CCp437Grid *this_);
/**
* Loads a `Cp437Grid` with the specified dimensions from the provided data.
*
* # Panics
*
* When the provided `data_length` is not sufficient for the `height` and `width`
*
* # Safety
*
* The caller has to make sure that:
*
* - `data` points to a valid memory location of at least `data_length`
* bytes in size.
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_cp437_grid_dealloc`.
*/
struct sp_CCp437Grid *sp_cp437_grid_load(size_t width,
size_t height,
const uint8_t *data,
size_t data_length);
/**
* Creates a new `Cp437Grid` with the specified dimensions.
*
* returns: `Cp437Grid` initialized to 0.
*
* # Safety
*
* The caller has to make sure that:
*
* - the returned instance is freed in some way, either by using a consuming function or
* by explicitly calling `sp_cp437_grid_dealloc`.
*/
struct sp_CCp437Grid *sp_cp437_grid_new(size_t width,
size_t height);
/**
* Sets the value of the specified position in the `Cp437Grid`.
*
* # Arguments
*
* * `this`: instance to write to
* * `x` and `y`: position of the cell
* * `value`: the value to write to the cell
*
* returns: old value of the cell
*
* # Panics
*
* When accessing `x` or `y` out of bounds.
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `BitVec`
* - `this` is not written to or read from concurrently
*/
void sp_cp437_grid_set(struct sp_CCp437Grid *this_,
size_t x,
size_t y,
uint8_t value);
/**
* Gets an unsafe reference to the data of the `Cp437Grid` instance.
*
* ## Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
* - the returned memory range is never accessed after the passed `Cp437Grid` has been freed
* - the returned memory range is never accessed concurrently, either via the `Cp437Grid` or directly
*/
struct sp_CByteSlice sp_cp437_grid_unsafe_data_ref(struct sp_CCp437Grid *this_);
/**
* Gets the width of the `Cp437Grid` instance.
*
* # Arguments
*
* * `this`: instance to read from
*
* # Safety
*
* The caller has to make sure that:
*
* - `this` points to a valid `Cp437Grid`
*/
size_t sp_cp437_grid_width(const struct sp_CCp437Grid *this_);
/**
* Deallocates a `Packet`.
*

222
crates/servicepoint_binding_c/src/brightness_grid.rs Normal file
View file

@ -0,0 +1,222 @@
//! C functions for interacting with `BrightnessGrid`s
//!
//! prefix `sp_brightness_grid_`
use std::intrinsics::transmute;
use servicepoint::{BrightnessGrid, DataRef, Grid, PrimitiveGrid, Brightness};
use crate::c_slice::CByteSlice;
/// C-wrapper for grid containing brightness values.
#[derive(Clone)]
pub struct CBrightnessGrid(pub(crate) BrightnessGrid);
/// Creates a new `BrightnessGrid` with the specified dimensions.
///
/// returns: `BrightnessGrid` initialized to 0.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - the returned instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_brightness_grid_dealloc`.
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_new(
width: usize,
height: usize,
) -> *mut CBrightnessGrid {
Box::into_raw(Box::new(CBrightnessGrid(BrightnessGrid::new(width, height))))
}
/// Loads a `BrightnessGrid` with the specified dimensions from the provided data.
///
/// # Panics
///
/// When the provided `data_length` is not sufficient for the `height` and `width`
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `data` points to a valid memory location of at least `data_length`
/// bytes in size.
/// - the returned instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_brightness_grid_dealloc`.
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_load(
width: usize,
height: usize,
data: *const u8,
data_length: usize,
) -> *mut CBrightnessGrid {
let data = std::slice::from_raw_parts(data, data_length);
let grid = PrimitiveGrid::load(width, height, data);
let grid = BrightnessGrid::try_from(grid)
.expect("invalid brightness value");
Box::into_raw(Box::new(CBrightnessGrid(grid)))
}
/// Clones a `BrightnessGrid`.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
/// - `this` is not written to concurrently
/// - the returned instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_brightness_grid_dealloc`.
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_clone(
this: *const CBrightnessGrid,
) -> *mut CBrightnessGrid {
Box::into_raw(Box::new((*this).clone()))
}
/// Deallocates a `BrightnessGrid`.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
/// - `this` is not used concurrently or after this call
/// - `this` was not passed to another consuming function, e.g. to create a `Command`
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_dealloc(this: *mut CBrightnessGrid) {
_ = Box::from_raw(this);
}
/// Gets the current value at the specified position.
///
/// # Arguments
///
/// * `this`: instance to read from
/// * `x` and `y`: position of the cell to read
///
/// # Panics
///
/// When accessing `x` or `y` out of bounds.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
/// - `this` is not written to concurrently
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_get(
this: *const CBrightnessGrid,
x: usize,
y: usize,
) -> u8 {
(*this).0.get(x, y).into()
}
/// Sets the value of the specified position in the `BrightnessGrid`.
///
/// # Arguments
///
/// * `this`: instance to write to
/// * `x` and `y`: position of the cell
/// * `value`: the value to write to the cell
///
/// returns: old value of the cell
///
/// # Panics
///
/// When accessing `x` or `y` out of bounds.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BitVec`
/// - `this` is not written to or read from concurrently
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_set(
this: *mut CBrightnessGrid,
x: usize,
y: usize,
value: u8,
) {
let brightness = Brightness::try_from(value)
.expect("invalid brightness value");
(*this).0.set(x, y, brightness);
}
/// Sets the value of all cells in the `BrightnessGrid`.
///
/// # Arguments
///
/// * `this`: instance to write to
/// * `value`: the value to set all cells to
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
/// - `this` is not written to or read from concurrently
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_fill(this: *mut CBrightnessGrid, value: u8) {
let brightness = Brightness::try_from(value)
.expect("invalid brightness value");
(*this).0.fill(brightness);
}
/// Gets the width of the `BrightnessGrid` instance.
///
/// # Arguments
///
/// * `this`: instance to read from
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_width(this: *const CBrightnessGrid) -> usize {
(*this).0.width()
}
/// Gets the height of the `BrightnessGrid` instance.
///
/// # Arguments
///
/// * `this`: instance to read from
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_height(this: *const CBrightnessGrid) -> usize {
(*this).0.height()
}
/// Gets an unsafe reference to the data of the `BrightnessGrid` instance.
///
/// ## Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `BrightnessGrid`
/// - the returned memory range is never accessed after the passed `BrightnessGrid` has been freed
/// - the returned memory range is never accessed concurrently, either via the `BrightnessGrid` or directly
#[no_mangle]
pub unsafe extern "C" fn sp_brightness_grid_unsafe_data_ref(
this: *mut CBrightnessGrid,
) -> CByteSlice {
assert_eq!(std::mem::size_of::<Brightness>(), 1);
let data = (*this).0.data_ref_mut();
let data: &mut [u8] = transmute(data);
CByteSlice {
start: data.as_mut_ptr_range().start,
length: data.len(),
}
}

12
crates/servicepoint_binding_c/src/command.rs
View file

@ -5,11 +5,13 @@
use std::ptr::null_mut;
use servicepoint::{
Brightness, BrightnessGrid, Command, CompressionCode, Cp473Grid, Offset,
Brightness, Command, CompressionCode, Offset,
Origin, Packet, PixelGrid,
};
use crate::bit_vec::CBitVec;
use crate::brightness_grid::CBrightnessGrid;
use crate::cp437_grid::CCp437Grid;
/// Tries to turn a `Packet` into a `Command`. The packet is deallocated in the process.
///
@ -126,12 +128,12 @@ pub unsafe extern "C" fn sp_command_brightness(brightness: u8) -> *mut Command {
pub unsafe extern "C" fn sp_command_char_brightness(
x: usize,
y: usize,
byte_grid: *mut BrightnessGrid,
byte_grid: *mut CBrightnessGrid,
) -> *mut Command {
let byte_grid = *Box::from_raw(byte_grid);
Box::into_raw(Box::new(Command::CharBrightness(
Origin::new(x, y),
byte_grid,
byte_grid.0,
)))
}
@ -254,10 +256,10 @@ pub unsafe extern "C" fn sp_command_bitmap_linear_xor(
pub unsafe extern "C" fn sp_command_cp437_data(
x: usize,
y: usize,
byte_grid: *mut Cp473Grid,
byte_grid: *mut CCp437Grid,
) -> *mut Command {
let byte_grid = *Box::from_raw(byte_grid);
Box::into_raw(Box::new(Command::Cp437Data(Origin::new(x, y), byte_grid)))
Box::into_raw(Box::new(Command::Cp437Data(Origin::new(x, y), byte_grid.0)))
}
/// Allocates a new `Command::BitmapLinearWin` instance.

108
crates/servicepoint_binding_c/src/byte_grid.rs → crates/servicepoint_binding_c/src/cp437_grid.rs
View file

@ -1,32 +1,36 @@
//! C functions for interacting with `ByteGrid`s
//! C functions for interacting with `Cp437Grid`s
//!
//! prefix `sp_byte_grid_`
//! prefix `sp_cp437_grid_`
use servicepoint::{DataRef, Grid, PrimitiveGrid};
use servicepoint::{Cp437Grid, DataRef, Grid};
use crate::c_slice::CByteSlice;
pub type ByteGrid = PrimitiveGrid<u8>;
/// Creates a new `ByteGrid` with the specified dimensions.
/// A C-wrapper for grid containing codepage 437 characters.
///
/// returns: `ByteGrid` initialized to 0.
/// The encoding is currently not enforced.
#[derive(Clone)]
pub struct CCp437Grid(pub(crate) Cp437Grid);
/// Creates a new `Cp437Grid` with the specified dimensions.
///
/// returns: `Cp437Grid` initialized to 0.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - the returned instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_byte_grid_dealloc`.
/// by explicitly calling `sp_cp437_grid_dealloc`.
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_new(
pub unsafe extern "C" fn sp_cp437_grid_new(
width: usize,
height: usize,
) -> *mut ByteGrid {
Box::into_raw(Box::new(ByteGrid::new(width, height)))
) -> *mut CCp437Grid {
Box::into_raw(Box::new(CCp437Grid(Cp437Grid::new(width, height))))
}
/// Loads a `ByteGrid` with the specified dimensions from the provided data.
/// Loads a `Cp437Grid` with the specified dimensions from the provided data.
///
/// # Panics
///
@ -39,46 +43,46 @@ pub unsafe extern "C" fn sp_byte_grid_new(
/// - `data` points to a valid memory location of at least `data_length`
/// bytes in size.
/// - the returned instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_byte_grid_dealloc`.
/// by explicitly calling `sp_cp437_grid_dealloc`.
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_load(
pub unsafe extern "C" fn sp_cp437_grid_load(
width: usize,
height: usize,
data: *const u8,
data_length: usize,
) -> *mut ByteGrid {
) -> *mut CCp437Grid {
let data = std::slice::from_raw_parts(data, data_length);
Box::into_raw(Box::new(ByteGrid::load(width, height, data)))
Box::into_raw(Box::new(CCp437Grid(Cp437Grid::load(width, height, data))))
}
/// Clones a `ByteGrid`.
/// Clones a `Cp437Grid`.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - `this` points to a valid `Cp437Grid`
/// - `this` is not written to concurrently
/// - the returned instance is freed in some way, either by using a consuming function or
/// by explicitly calling `sp_byte_grid_dealloc`.
/// by explicitly calling `sp_cp437_grid_dealloc`.
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_clone(
this: *const ByteGrid,
) -> *mut ByteGrid {
pub unsafe extern "C" fn sp_cp437_grid_clone(
this: *const CCp437Grid,
) -> *mut CCp437Grid {
Box::into_raw(Box::new((*this).clone()))
}
/// Deallocates a `ByteGrid`.
/// Deallocates a `Cp437Grid`.
///
/// # Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - `this` points to a valid `Cp437Grid`
/// - `this` is not used concurrently or after this call
/// - `this` was not passed to another consuming function, e.g. to create a `Command`
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_dealloc(this: *mut ByteGrid) {
pub unsafe extern "C" fn sp_cp437_grid_dealloc(this: *mut CCp437Grid) {
_ = Box::from_raw(this);
}
@ -97,18 +101,18 @@ pub unsafe extern "C" fn sp_byte_grid_dealloc(this: *mut ByteGrid) {
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - `this` points to a valid `Cp437Grid`
/// - `this` is not written to concurrently
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_get(
this: *const ByteGrid,
pub unsafe extern "C" fn sp_cp437_grid_get(
this: *const CCp437Grid,
x: usize,
y: usize,
) -> u8 {
(*this).get(x, y)
(*this).0.get(x, y)
}
/// Sets the value of the specified position in the `ByteGrid`.
/// Sets the value of the specified position in the `Cp437Grid`.
///
/// # Arguments
///
@ -129,16 +133,16 @@ pub unsafe extern "C" fn sp_byte_grid_get(
/// - `this` points to a valid `BitVec`
/// - `this` is not written to or read from concurrently
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_set(
this: *mut ByteGrid,
pub unsafe extern "C" fn sp_cp437_grid_set(
this: *mut CCp437Grid,
x: usize,
y: usize,
value: u8,
) {
(*this).set(x, y, value);
(*this).0.set(x, y, value);
}
/// Sets the value of all cells in the `ByteGrid`.
/// Sets the value of all cells in the `Cp437Grid`.
///
/// # Arguments
///
@ -149,14 +153,14 @@ pub unsafe extern "C" fn sp_byte_grid_set(
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - `this` points to a valid `Cp437Grid`
/// - `this` is not written to or read from concurrently
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_fill(this: *mut ByteGrid, value: u8) {
(*this).fill(value);
pub unsafe extern "C" fn sp_cp437_grid_fill(this: *mut CCp437Grid, value: u8) {
(*this).0.fill(value);
}
/// Gets the width of the `ByteGrid` instance.
/// Gets the width of the `Cp437Grid` instance.
///
/// # Arguments
///
@ -166,13 +170,13 @@ pub unsafe extern "C" fn sp_byte_grid_fill(this: *mut ByteGrid, value: u8) {
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - `this` points to a valid `Cp437Grid`
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_width(this: *const ByteGrid) -> usize {
(*this).width()
pub unsafe extern "C" fn sp_cp437_grid_width(this: *const CCp437Grid) -> usize {
(*this).0.width()
}
/// Gets the height of the `ByteGrid` instance.
/// Gets the height of the `Cp437Grid` instance.
///
/// # Arguments
///
@ -182,26 +186,26 @@ pub unsafe extern "C" fn sp_byte_grid_width(this: *const ByteGrid) -> usize {
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - `this` points to a valid `Cp437Grid`
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_height(this: *const ByteGrid) -> usize {
(*this).height()
pub unsafe extern "C" fn sp_cp437_grid_height(this: *const CCp437Grid) -> usize {
(*this).0.height()
}
/// Gets an unsafe reference to the data of the `ByteGrid` instance.
/// Gets an unsafe reference to the data of the `Cp437Grid` instance.
///
/// ## Safety
///
/// The caller has to make sure that:
///
/// - `this` points to a valid `ByteGrid`
/// - the returned memory range is never accessed after the passed `ByteGrid` has been freed
/// - the returned memory range is never accessed concurrently, either via the `ByteGrid` or directly
/// - `this` points to a valid `Cp437Grid`
/// - the returned memory range is never accessed after the passed `Cp437Grid` has been freed
/// - the returned memory range is never accessed concurrently, either via the `Cp437Grid` or directly
#[no_mangle]
pub unsafe extern "C" fn sp_byte_grid_unsafe_data_ref(
this: *mut ByteGrid,
pub unsafe extern "C" fn sp_cp437_grid_unsafe_data_ref(
this: *mut CCp437Grid,
) -> CByteSlice {
let data = (*this).data_ref_mut();
let data = (*this).0.data_ref_mut();
CByteSlice {
start: data.as_mut_ptr_range().start,
length: data.len(),

8
crates/servicepoint_binding_c/src/lib.rs
View file

@ -9,7 +9,7 @@ pub use crate::c_slice::CByteSlice;
pub mod bit_vec;
pub mod byte_grid;
pub mod brightness_grid;
pub mod command;
@ -19,7 +19,9 @@ pub mod packet;
pub mod pixel_grid;
pub mod c_slice;
pub mod cp437_grid;
/// The minimum time needed for the display to refresh the screen in ms.
pub const FRAME_PACING_MS: u32 = servicepoint::FRAME_PACING.as_millis() as u32;
pub mod c_slice;

110
crates/servicepoint_binding_cs/ServicePoint/BindGen/ServicePoint.g.cs
View file

@ -61,45 +61,85 @@ namespace ServicePoint.BindGen
[DllImport(__DllName, EntryPoint = "sp_bit_vec_unsafe_data_ref", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CByteSlice sp_bit_vec_unsafe_data_ref(CBitVec* @this);
/// <summary>Creates a new `ByteGrid` with the specified dimensions. returns: `ByteGrid` initialized to 0. # Safety The caller has to make sure that: - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_byte_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_new", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern PrimitiveGrid* sp_byte_grid_new(nuint width, nuint height);
/// <summary>Creates a new `BrightnessGrid` with the specified dimensions. returns: `BrightnessGrid` initialized to 0. # Safety The caller has to make sure that: - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_brightness_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_new", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CBrightnessGrid* sp_brightness_grid_new(nuint width, nuint height);
/// <summary>Loads a `ByteGrid` with the specified dimensions from the provided data. # Panics When the provided `data_length` is not sufficient for the `height` and `width` # Safety The caller has to make sure that: - `data` points to a valid memory location of at least `data_length` bytes in size. - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_byte_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_load", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern PrimitiveGrid* sp_byte_grid_load(nuint width, nuint height, byte* data, nuint data_length);
/// <summary>Loads a `BrightnessGrid` with the specified dimensions from the provided data. # Panics When the provided `data_length` is not sufficient for the `height` and `width` # Safety The caller has to make sure that: - `data` points to a valid memory location of at least `data_length` bytes in size. - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_brightness_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_load", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CBrightnessGrid* sp_brightness_grid_load(nuint width, nuint height, byte* data, nuint data_length);
/// <summary>Clones a `ByteGrid`. # Safety The caller has to make sure that: - `this` points to a valid `ByteGrid` - `this` is not written to concurrently - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_byte_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_clone", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern PrimitiveGrid* sp_byte_grid_clone(PrimitiveGrid* @this);
/// <summary>Clones a `BrightnessGrid`. # Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid` - `this` is not written to concurrently - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_brightness_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_clone", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CBrightnessGrid* sp_brightness_grid_clone(CBrightnessGrid* @this);
/// <summary>Deallocates a `ByteGrid`. # Safety The caller has to make sure that: - `this` points to a valid `ByteGrid` - `this` is not used concurrently or after this call - `this` was not passed to another consuming function, e.g. to create a `Command`</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_dealloc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_byte_grid_dealloc(PrimitiveGrid* @this);
/// <summary>Deallocates a `BrightnessGrid`. # Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid` - `this` is not used concurrently or after this call - `this` was not passed to another consuming function, e.g. to create a `Command`</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_dealloc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_brightness_grid_dealloc(CBrightnessGrid* @this);
/// <summary>Gets the current value at the specified position. # Arguments * `this`: instance to read from * `x` and `y`: position of the cell to read # Panics When accessing `x` or `y` out of bounds. # Safety The caller has to make sure that: - `this` points to a valid `ByteGrid` - `this` is not written to concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_get", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern byte sp_byte_grid_get(PrimitiveGrid* @this, nuint x, nuint y);
/// <summary>Gets the current value at the specified position. # Arguments * `this`: instance to read from * `x` and `y`: position of the cell to read # Panics When accessing `x` or `y` out of bounds. # Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid` - `this` is not written to concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_get", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern byte sp_brightness_grid_get(CBrightnessGrid* @this, nuint x, nuint y);
/// <summary>Sets the value of the specified position in the `ByteGrid`. # Arguments * `this`: instance to write to * `x` and `y`: position of the cell * `value`: the value to write to the cell returns: old value of the cell # Panics When accessing `x` or `y` out of bounds. # Safety The caller has to make sure that: - `this` points to a valid `BitVec` - `this` is not written to or read from concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_set", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_byte_grid_set(PrimitiveGrid* @this, nuint x, nuint y, byte value);
/// <summary>Sets the value of the specified position in the `BrightnessGrid`. # Arguments * `this`: instance to write to * `x` and `y`: position of the cell * `value`: the value to write to the cell returns: old value of the cell # Panics When accessing `x` or `y` out of bounds. # Safety The caller has to make sure that: - `this` points to a valid `BitVec` - `this` is not written to or read from concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_set", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_brightness_grid_set(CBrightnessGrid* @this, nuint x, nuint y, byte value);
/// <summary>Sets the value of all cells in the `ByteGrid`. # Arguments * `this`: instance to write to * `value`: the value to set all cells to # Safety The caller has to make sure that: - `this` points to a valid `ByteGrid` - `this` is not written to or read from concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_fill", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_byte_grid_fill(PrimitiveGrid* @this, byte value);
/// <summary>Sets the value of all cells in the `BrightnessGrid`. # Arguments * `this`: instance to write to * `value`: the value to set all cells to # Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid` - `this` is not written to or read from concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_fill", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_brightness_grid_fill(CBrightnessGrid* @this, byte value);
/// <summary>Gets the width of the `ByteGrid` instance. # Arguments * `this`: instance to read from # Safety The caller has to make sure that: - `this` points to a valid `ByteGrid`</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_width", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern nuint sp_byte_grid_width(PrimitiveGrid* @this);
/// <summary>Gets the width of the `BrightnessGrid` instance. # Arguments * `this`: instance to read from # Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid`</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_width", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern nuint sp_brightness_grid_width(CBrightnessGrid* @this);
/// <summary>Gets the height of the `ByteGrid` instance. # Arguments * `this`: instance to read from # Safety The caller has to make sure that: - `this` points to a valid `ByteGrid`</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_height", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern nuint sp_byte_grid_height(PrimitiveGrid* @this);
/// <summary>Gets the height of the `BrightnessGrid` instance. # Arguments * `this`: instance to read from # Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid`</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_height", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern nuint sp_brightness_grid_height(CBrightnessGrid* @this);
/// <summary>Gets an unsafe reference to the data of the `ByteGrid` instance. ## Safety The caller has to make sure that: - `this` points to a valid `ByteGrid` - the returned memory range is never accessed after the passed `ByteGrid` has been freed - the returned memory range is never accessed concurrently, either via the `ByteGrid` or directly</summary>
[DllImport(__DllName, EntryPoint = "sp_byte_grid_unsafe_data_ref", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CByteSlice sp_byte_grid_unsafe_data_ref(PrimitiveGrid* @this);
/// <summary>Gets an unsafe reference to the data of the `BrightnessGrid` instance. ## Safety The caller has to make sure that: - `this` points to a valid `BrightnessGrid` - the returned memory range is never accessed after the passed `BrightnessGrid` has been freed - the returned memory range is never accessed concurrently, either via the `BrightnessGrid` or directly</summary>
[DllImport(__DllName, EntryPoint = "sp_brightness_grid_unsafe_data_ref", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CByteSlice sp_brightness_grid_unsafe_data_ref(CBrightnessGrid* @this);
/// <summary>Creates a new `Cp437Grid` with the specified dimensions. returns: `Cp437Grid` initialized to 0. # Safety The caller has to make sure that: - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_cp437_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_new", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CCp437Grid* sp_cp437_grid_new(nuint width, nuint height);
/// <summary>Loads a `Cp437Grid` with the specified dimensions from the provided data. # Panics When the provided `data_length` is not sufficient for the `height` and `width` # Safety The caller has to make sure that: - `data` points to a valid memory location of at least `data_length` bytes in size. - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_cp437_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_load", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CCp437Grid* sp_cp437_grid_load(nuint width, nuint height, byte* data, nuint data_length);
/// <summary>Clones a `Cp437Grid`. # Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid` - `this` is not written to concurrently - the returned instance is freed in some way, either by using a consuming function or by explicitly calling `sp_cp437_grid_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_clone", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CCp437Grid* sp_cp437_grid_clone(CCp437Grid* @this);
/// <summary>Deallocates a `Cp437Grid`. # Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid` - `this` is not used concurrently or after this call - `this` was not passed to another consuming function, e.g. to create a `Command`</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_dealloc", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_cp437_grid_dealloc(CCp437Grid* @this);
/// <summary>Gets the current value at the specified position. # Arguments * `this`: instance to read from * `x` and `y`: position of the cell to read # Panics When accessing `x` or `y` out of bounds. # Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid` - `this` is not written to concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_get", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern byte sp_cp437_grid_get(CCp437Grid* @this, nuint x, nuint y);
/// <summary>Sets the value of the specified position in the `Cp437Grid`. # Arguments * `this`: instance to write to * `x` and `y`: position of the cell * `value`: the value to write to the cell returns: old value of the cell # Panics When accessing `x` or `y` out of bounds. # Safety The caller has to make sure that: - `this` points to a valid `BitVec` - `this` is not written to or read from concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_set", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_cp437_grid_set(CCp437Grid* @this, nuint x, nuint y, byte value);
/// <summary>Sets the value of all cells in the `Cp437Grid`. # Arguments * `this`: instance to write to * `value`: the value to set all cells to # Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid` - `this` is not written to or read from concurrently</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_fill", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern void sp_cp437_grid_fill(CCp437Grid* @this, byte value);
/// <summary>Gets the width of the `Cp437Grid` instance. # Arguments * `this`: instance to read from # Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid`</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_width", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern nuint sp_cp437_grid_width(CCp437Grid* @this);
/// <summary>Gets the height of the `Cp437Grid` instance. # Arguments * `this`: instance to read from # Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid`</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_height", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern nuint sp_cp437_grid_height(CCp437Grid* @this);
/// <summary>Gets an unsafe reference to the data of the `Cp437Grid` instance. ## Safety The caller has to make sure that: - `this` points to a valid `Cp437Grid` - the returned memory range is never accessed after the passed `Cp437Grid` has been freed - the returned memory range is never accessed concurrently, either via the `Cp437Grid` or directly</summary>
[DllImport(__DllName, EntryPoint = "sp_cp437_grid_unsafe_data_ref", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
public static extern CByteSlice sp_cp437_grid_unsafe_data_ref(CCp437Grid* @this);
/// <summary>Tries to turn a `Packet` into a `Command`. The packet is deallocated in the process. Returns: pointer to new `Command` instance or NULL # Safety The caller has to make sure that: - `packet` points to a valid instance of `Packet` - `packet` is not used concurrently or after this call - the result is checked for NULL - the returned `Command` instance is freed in some way, either by using a consuming function or by explicitly calling `sp_command_dealloc`.</summary>
[DllImport(__DllName, EntryPoint = "sp_command_try_from_packet", CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
@ -231,6 +271,16 @@ namespace ServicePoint.BindGen
{
}
[StructLayout(LayoutKind.Sequential)]
public unsafe partial struct CBrightnessGrid
{
}
[StructLayout(LayoutKind.Sequential)]
public unsafe partial struct CCp437Grid
{
}
[StructLayout(LayoutKind.Sequential)]
public unsafe partial struct CByteSlice
{

3
crates/servicepoint_binding_cs/build.rs
View file

@ -5,7 +5,8 @@ fn main() {
println!("cargo::rerun-if-changed=build.rs");
csbindgen::Builder::default()
.input_extern_file("../servicepoint_binding_c/src/bit_vec.rs")
.input_extern_file("../servicepoint_binding_c/src/byte_grid.rs")
.input_extern_file("../servicepoint_binding_c/src/brightness_grid.rs")
.input_extern_file("../servicepoint_binding_c/src/cp437_grid.rs")
.input_extern_file("../servicepoint_binding_c/src/command.rs")
.input_extern_file("../servicepoint_binding_c/src/connection.rs")
.input_extern_file("../servicepoint_binding_c/src/pixel_grid.rs")