Struct ncnn_rs::Mat

pub struct Mat { /* private fields */ }

Implementations

impl Mat

pub fn new() -> Self

Constructs an empty matrix.

pub fn new_1d(w: i32, alloc: Option<&Allocator>) -> Self

Constructs an empty 1D matrix.

pub fn new_2d(w: i32, h: i32, alloc: Option<&Allocator>) -> Self

Constructs an empty 2D matrix.

pub fn new_3d(w: i32, h: i32, c: i32, alloc: Option<&Allocator>) -> Self

Constructs an empty 3D matrix.

pub fn new_4d(w: i32, h: i32, d: i32, c: i32, alloc: Option<&Allocator>) -> Self

Constructs an empty 4D matrix.

pub unsafe fn new_external_1d(
    w: i32,
    data: *mut c_void,
    alloc: Option<&Allocator>
) -> Self

Constructs 1D matrix with a given raw data.

Safety

Data pointer must not be aliased, it must be valid for the entire lifetime of Mat and it must be of correct size.

pub unsafe fn new_external_2d(
    w: i32,
    h: i32,
    data: *mut c_void,
    alloc: Option<&Allocator>
) -> Self

Constructs 2D matrix with a given raw data.

Safety

Data pointer must not be aliased, it must be valid for the entire lifetime of Mat and it must be of correct size.

pub unsafe fn new_external_3d(
    w: i32,
    h: i32,
    c: i32,
    data: *mut c_void,
    alloc: Option<&Allocator>
) -> Self

Constructs 3D matrix with a given raw data.

Safety

Data pointer must not be aliased, it must be valid for the entire lifetime of Mat and it must be of correct size.

pub unsafe fn new_external_4d(
    w: i32,
    h: i32,
    d: i32,
    c: i32,
    data: *mut c_void,
    alloc: Option<&Allocator>
) -> Self

Constructs 4D matrix with a given raw data.

Safety

Data pointer must not be aliased, it must be valid for the entire lifetime of Mat and it must be of correct size.

pub fn from_pixels(
    data: &[u8],
    pixel_type: MatPixelType,
    width: i32,
    height: i32,
    alloc: Option<&Allocator>
) -> Result<Mat>

Constructs matrix from pixel byte array

pub fn substract_mean_normalize(&mut self, mean_vals: &[f32], norm_vals: &[f32])

pub fn fill(&mut self, value: f32)

Fills matrix with a given value.

pub fn dims(&self) -> i32

Returns number of matrix dimensions.

pub fn w(&self) -> i32

Returns matrix width

pub fn h(&self) -> i32

Returns matrix height

pub fn d(&self) -> i32

Returns matrix depth

pub fn c(&self) -> i32

Returns matrix channels

pub fn elemsize(&self) -> u64

pub fn elempack(&self) -> i32

pub fn cstep(&self) -> u64

pub fn data(&self) -> *mut c_void

Pointer to raw matrix data

Trait Implementations

impl Debug for Mat

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Mat

fn default() -> Self

Returns the “default value” for a type.

impl Drop for Mat

fn drop(&mut self)

Executes the destructor for this type.