[−][src]Struct png::Info

pub struct Info {
    pub width: u32,
    pub height: u32,
    pub bit_depth: BitDepth,
    pub color_type: ColorType,
    pub interlaced: bool,
    pub trns: Option<Vec<u8>>,
    pub pixel_dims: Option<PixelDimensions>,
    pub palette: Option<Vec<u8>>,
    pub frame_control: Option<FrameControl>,
    pub animation_control: Option<AnimationControl>,
    pub compression: Compression,
    pub filter: FilterType,
}

PNG info struct

Fields

width: u32height: u32bit_depth: BitDepthcolor_type: ColorTypeinterlaced: booltrns: Option<Vec<u8>>pixel_dims: Option<PixelDimensions>palette: Option<Vec<u8>>frame_control: Option<FrameControl>animation_control: Option<AnimationControl>compression: Compressionfilter: FilterType

Implementations

impl Info[src]

pub fn size(&self) -> (u32, u32)[src]

Size of the image

pub fn is_animated(&self) -> bool[src]

Returns true if the image is an APNG image.

pub fn animation_control(&self) -> Option<&AnimationControl>[src]

Returns the frame control information of the image

pub fn frame_control(&self) -> Option<&FrameControl>[src]

Returns the frame control information of the current frame

pub fn bits_per_pixel(&self) -> usize[src]

Returns the bits per pixel

pub fn bytes_per_pixel(&self) -> usize[src]

Returns the bytes per pixel

pub fn raw_bytes(&self) -> usize[src]

Returns the number of bytes needed for one deinterlaced image

pub fn raw_row_length(&self) -> usize[src]

Returns the number of bytes needed for one deinterlaced row

pub fn raw_row_length_from_width(&self, width: u32) -> usize[src]

Returns the number of bytes needed for one deinterlaced row of width width

Trait Implementations

impl Clone for Info[src]

impl Debug for Info[src]

impl Default for Info[src]

Auto Trait Implementations

impl RefUnwindSafe for Info

impl Send for Info

impl Sync for Info

impl Unpin for Info

impl UnwindSafe for Info

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized, [src]

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T> ToOwned for T where
    T: Clone, [src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.