Struct ImageView

pub struct ImageView<'a>(/* private fields */);

Implementations

impl<'a> ImageView<'a>

pub unsafe fn from_ptr<T: TryInto<c_int>, U: TryInto<c_int>>( ptr: *const u8, width: T, height: T, format: ImageFormat, row_stride: U, pix_stride: U, ) -> Result<Self, Error>

Constructs an ImageView from a raw pointer and the width/height (in pixels) and row_stride/pix_stride (in bytes).

Safety

The memory gets accessed inside the c++ library at random places between ptr and ptr + height * row_stride or ptr + width * pix_stride. Note that both the stride values could be negative, e.g. if the image view is rotated.

pub fn from_slice<T: TryInto<c_int>>( data: &'a [u8], width: T, height: T, format: ImageFormat, ) -> Result<Self, Error>

pub fn cropped(self, left: i32, top: i32, width: i32, height: i32) -> Self

pub fn rotated(self, degree: i32) -> Self

Trait Implementations

impl<'a> Clone for ImageView<'a>

fn clone(&self) -> ImageView<'a>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for ImageView<'a>

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

Formats the value using the given formatter.

impl<'a> From<&'a ImageView<'a>> for ImageView<'a>

fn from(img: &'a ImageView<'_>) -> Self

Converts to this type from the input type.

impl<'a> PartialEq for ImageView<'a>

fn eq(&self, other: &ImageView<'a>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<'a> StructuralPartialEq for ImageView<'a>