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This commit is contained in:
Vinzenz Schroeter 2024-08-29 19:39:18 +02:00
parent 5cb135c7e9
commit 14faeb1238
10 changed files with 211 additions and 127 deletions
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215
crates/servicepoint_binding_c/examples/lang_c/include/servicepoint.h
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@ -12,17 +12,38 @@
#define sp_PIXEL_COUNT (sp_PIXEL_WIDTH * sp_PIXEL_HEIGHT)
/**
* screen height in pixels
* Display height in pixels
*
* # Examples
*
* ```rust
* # use servicepoint::{PIXEL_HEIGHT, PIXEL_WIDTH, PixelGrid};
* let grid = PixelGrid::new(PIXEL_WIDTH, PIXEL_HEIGHT);
* ```
*/
#define sp_PIXEL_HEIGHT (sp_TILE_HEIGHT * sp_TILE_SIZE)
/**
* screen width in pixels
* Display width in pixels
*
* # Examples
*
* ```rust
* # use servicepoint::{PIXEL_HEIGHT, PIXEL_WIDTH, PixelGrid};
* let grid = PixelGrid::new(PIXEL_WIDTH, PIXEL_HEIGHT);
* ```
*/
#define sp_PIXEL_WIDTH (sp_TILE_WIDTH * sp_TILE_SIZE)
/**
* tile count in the y-direction
* Display tile count in the y-direction
*
* # Examples
*
* ```rust
* # use servicepoint::{Cp437Grid, TILE_HEIGHT, TILE_WIDTH};
* let grid = Cp437Grid::new(TILE_WIDTH, TILE_HEIGHT);
* ```
*/
#define sp_TILE_HEIGHT 20
@ -32,12 +53,32 @@
#define sp_TILE_SIZE 8
/**
* tile count in the x-direction
* Display tile count in the x-direction
*
* # Examples
*
* ```rust
* # use servicepoint::{Cp437Grid, TILE_HEIGHT, TILE_WIDTH};
* let grid = Cp437Grid::new(TILE_WIDTH, TILE_HEIGHT);
* ```
*/
#define sp_TILE_WIDTH 56
/**
* Specifies the kind of compression to use. Availability depends on features.
*
* # Examples
*
* ```rust
* # use servicepoint::{Command, CompressionCode, Origin, PixelGrid};
* // create command without payload compression
* # let pixels = PixelGrid::max_sized();
* _ = Command::BitmapLinearWin(Origin::new(0, 0), pixels, CompressionCode::Uncompressed);
*
* // create command with payload compressed with lzma and appropriate header flags
* # let pixels = PixelGrid::max_sized();
* _ = Command::BitmapLinearWin(Origin::new(0, 0), pixels, CompressionCode::Lzma);
* ```
*/
enum sp_CompressionCode
#ifdef __cplusplus
@ -71,6 +112,18 @@ typedef uint16_t sp_CompressionCode;
/**
* A display brightness value, checked for correct value range
*
* # Examples
*
* ```
* # use servicepoint::{Brightness, Command, Connection};
* let b = Brightness::MAX;
* let val: u8 = b.into();
*
* let b = Brightness::try_from(7).unwrap();
* # let connection = Connection::open("127.0.0.1:2342").unwrap();
* let result = connection.send(Command::Brightness(b));
* ```
*/
typedef struct sp_Brightness sp_Brightness;
@ -79,17 +132,60 @@ typedef struct sp_Brightness sp_Brightness;
*/
typedef struct sp_CBitVec sp_CBitVec;
/**
* C-wrapper for grid containing brightness values.
*/
typedef struct sp_CBrightnessGrid sp_CBrightnessGrid;
/**
* A C-wrapper for grid containing codepage 437 characters.
*
* The encoding is currently not enforced.
*/
typedef struct sp_CCp437Grid sp_CCp437Grid;
/**
* A command to send to the display.
* A low-level display command.
*
* This struct and associated functions implement the UDP protocol for the display.
*
* To send a `Command`, use a `Connection`.
*
* # Examples
*
* ```rust
* # use servicepoint::{Brightness, Command, Connection, Packet};
*
* // create command
* let command = Command::Brightness(Brightness::MAX);
*
* // turn command into Packet
* let packet: Packet = command.clone().into();
*
* // read command from packet
* let round_tripped = Command::try_from(packet).unwrap();
*
* // round tripping produces exact copy
* assert_eq!(command, round_tripped);
*
* // send command
* # let connection = Connection::open("127.0.0.1:2342").unwrap();
* connection.send(command).unwrap();
* ```
*/
typedef struct sp_Command sp_Command;
/**
* A connection to the display.
*
* # Examples
* ```rust
* # use servicepoint::Command;
* let connection = servicepoint::Connection::open("172.23.42.29:2342")
* .expect("connection failed");
* connection.send(Command::Clear)
* .expect("send failed");
* ```
*/
typedef struct sp_Connection sp_Connection;
@ -103,16 +199,6 @@ 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.
*
@ -140,18 +226,6 @@ typedef struct sp_CByteSlice {
*/
typedef size_t sp_Offset;
/**
* A grid containing brightness values.
*/
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;
@ -192,7 +266,7 @@ void sp_bit_vec_dealloc(struct sp_CBitVec *this_);
*
* # Arguments
*
* * `value`: the value to set all bits to
* - `value`: the value to set all bits to
*
* # Safety
*
@ -208,8 +282,8 @@ void sp_bit_vec_fill(struct sp_CBitVec *this_, bool value);
*
* # Arguments
*
* * `this`: instance to read from
* * `index`: the bit index to read
* - `this`: instance to read from
* - `index`: the bit index to read
*
* returns: value of the bit
*
@ -268,7 +342,7 @@ struct sp_CBitVec *sp_bit_vec_load(const uint8_t *data,
*
* # Arguments
*
* * `size`: size in bits.
* - `size`: size in bits.
*
* returns: `BitVec` with all bits set to false.
*
@ -290,9 +364,9 @@ struct sp_CBitVec *sp_bit_vec_new(size_t size);
*
* # Arguments
*
* * `this`: instance to write to
* * `index`: the bit index to edit
* * `value`: the value to set the bit to
* - `this`: instance to write to
* - `index`: the bit index to edit
* - `value`: the value to set the bit to
*
* returns: old value of the bit
*
@ -354,8 +428,12 @@ void sp_brightness_grid_dealloc(struct sp_CBrightnessGrid *this_);
*
* # Arguments
*
* * `this`: instance to write to
* * `value`: the value to set all cells to
* - `this`: instance to write to
* - `value`: the value to set all cells to
*
* # Panics
*
* - When providing an invalid brightness value
*
* # Safety
*
@ -371,8 +449,8 @@ void sp_brightness_grid_fill(struct sp_CBrightnessGrid *this_, uint8_t value);
*
* # Arguments
*
* * `this`: instance to read from
* * `x` and `y`: position of the cell to read
* - `this`: instance to read from
* - `x` and `y`: position of the cell to read
*
* # Panics
*
@ -394,7 +472,7 @@ uint8_t sp_brightness_grid_get(const struct sp_CBrightnessGrid *this_,
*
* # Arguments
*
* * `this`: instance to read from
* - `this`: instance to read from
*
* # Safety
*
@ -445,15 +523,16 @@ struct sp_CBrightnessGrid *sp_brightness_grid_new(size_t width,
*
* # Arguments
*
* * `this`: instance to write to
* * `x` and `y`: position of the cell
* * `value`: the value to write to the cell
* - `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.
* - When accessing `x` or `y` out of bounds.
* - When providing an invalid brightness value
*
* # Safety
*
@ -485,7 +564,7 @@ struct sp_CByteSlice sp_brightness_grid_unsafe_data_ref(struct sp_CBrightnessGri
*
* # Arguments
*
* * `this`: instance to read from
* - `this`: instance to read from
*
* # Safety
*
@ -618,7 +697,7 @@ struct sp_Command *sp_command_brightness(uint8_t brightness);
*/
struct sp_Command *sp_command_char_brightness(size_t x,
size_t y,
sp_BrightnessGrid *byte_grid);
struct sp_CBrightnessGrid *byte_grid);
/**
* Allocates a new `Command::Clear` instance.
@ -661,7 +740,7 @@ struct sp_Command *sp_command_clone(const struct sp_Command *original);
*/
struct sp_Command *sp_command_cp437_data(size_t x,
size_t y,
sp_Cp437Grid *byte_grid);
struct sp_CCp437Grid *byte_grid);
/**
* Deallocates a `Command`.
@ -796,8 +875,8 @@ void sp_cp437_grid_dealloc(struct sp_CCp437Grid *this_);
*
* # Arguments
*
* * `this`: instance to write to
* * `value`: the value to set all cells to
* - `this`: instance to write to
* - `value`: the value to set all cells to
*
* # Safety
*
@ -813,8 +892,8 @@ void sp_cp437_grid_fill(struct sp_CCp437Grid *this_, uint8_t value);
*
* # Arguments
*
* * `this`: instance to read from
* * `x` and `y`: position of the cell to read
* - `this`: instance to read from
* - `x` and `y`: position of the cell to read
*
* # Panics
*
@ -836,7 +915,7 @@ uint8_t sp_cp437_grid_get(const struct sp_CCp437Grid *this_,
*
* # Arguments
*
* * `this`: instance to read from
* - `this`: instance to read from
*
* # Safety
*
@ -887,9 +966,9 @@ struct sp_CCp437Grid *sp_cp437_grid_new(size_t width,
*
* # Arguments
*
* * `this`: instance to write to
* * `x` and `y`: position of the cell
* * `value`: the value to write to the cell
* - `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
*
@ -927,7 +1006,7 @@ struct sp_CByteSlice sp_cp437_grid_unsafe_data_ref(struct sp_CCp437Grid *this_);
*
* # Arguments
*
* * `this`: instance to read from
* - `this`: instance to read from
*
* # Safety
*
@ -1013,8 +1092,8 @@ void sp_pixel_grid_dealloc(struct sp_PixelGrid *this_);
*
* # Arguments
*
* * `this`: instance to write to
* * `value`: the value to set all pixels to
* - `this`: instance to write to
* - `value`: the value to set all pixels to
*
* # Safety
*
@ -1030,8 +1109,8 @@ void sp_pixel_grid_fill(struct sp_PixelGrid *this_, bool value);
*
* # Arguments
*
* * `this`: instance to read from
* * `x` and `y`: position of the cell to read
* - `this`: instance to read from
* - `x` and `y`: position of the cell to read
*
* # Panics
*
@ -1051,7 +1130,7 @@ bool sp_pixel_grid_get(const struct sp_PixelGrid *this_, size_t x, size_t y);
*
* # Arguments
*
* * `this`: instance to read from
* - `this`: instance to read from
*
* # Safety
*
@ -1066,8 +1145,8 @@ size_t sp_pixel_grid_height(const struct sp_PixelGrid *this_);
*
* # Arguments
*
* * `width`: size in pixels in x-direction
* * `height`: size in pixels in y-direction
* - `width`: size in pixels in x-direction
* - `height`: size in pixels in y-direction
*
* returns: `PixelGrid` that contains a copy of the provided data
*
@ -1094,8 +1173,8 @@ struct sp_PixelGrid *sp_pixel_grid_load(size_t width,
*
* # Arguments
*
* * `width`: size in pixels in x-direction
* * `height`: size in pixels in y-direction
* - `width`: size in pixels in x-direction
* - `height`: size in pixels in y-direction
*
* returns: `PixelGrid` initialized to all pixels off
*
@ -1118,9 +1197,9 @@ struct sp_PixelGrid *sp_pixel_grid_new(size_t width,
*
* # Arguments
*
* * `this`: instance to write to
* * `x` and `y`: position of the cell
* * `value`: the value to write to the cell
* - `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
*
@ -1158,7 +1237,7 @@ struct sp_CByteSlice sp_pixel_grid_unsafe_data_ref(struct sp_PixelGrid *this_);
*
* # Arguments
*
* * `this`: instance to read from
* - `this`: instance to read from
*
* # Safety
*