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: u32

height: u32

bit_depth: BitDepth

color_type: ColorType

interlaced: bool

trns: Option<Vec<u8>>

pixel_dims: Option<PixelDimensions>

palette: Option<Vec<u8>>

frame_control: Option<FrameControl>

animation_control: Option<AnimationControl>

compression: Compression

filter: FilterType

Implementations

impl Info

pub fn size(&self) -> (u32, u32)

Size of the image

pub fn is_animated(&self) -> bool

Returns true if the image is an APNG image.

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

Returns the frame control information of the image

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

Returns the frame control information of the current frame

pub fn bits_per_pixel(&self) -> usize

Returns the bits per pixel

pub fn bytes_per_pixel(&self) -> usize

Returns the bytes per pixel

pub fn raw_bytes(&self) -> usize

Returns the number of bytes needed for one deinterlaced image

pub fn raw_row_length(&self) -> usize

Returns the number of bytes needed for one deinterlaced row

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

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

Trait Implementations

impl Debug for Info

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

Formats the value using the given formatter.

impl Default for Info

fn default() -> Info

Returns the “default value” for a type.