Struct png::common::FrameControl

pub struct FrameControl {
    pub sequence_number: u32,
    pub width: u32,
    pub height: u32,
    pub x_offset: u32,
    pub y_offset: u32,
    pub delay_num: u16,
    pub delay_den: u16,
    pub dispose_op: DisposeOp,
    pub blend_op: BlendOp,
}

Frame control information

Fields

sequence_number: u32

Sequence number of the animation chunk, starting from 0

width: u32

Width of the following frame

height: u32

Height of the following frame

x_offset: u32

X position at which to render the following frame

y_offset: u32

Y position at which to render the following frame

delay_num: u16

Frame delay fraction numerator

delay_den: u16

Frame delay fraction denominator

dispose_op: DisposeOp

Type of frame area disposal to be done after rendering this frame

blend_op: BlendOp

Type of frame area rendering for this frame

Implementations

impl FrameControl

pub fn set_seq_num(&mut self, s: u32)

pub fn inc_seq_num(&mut self, i: u32)

pub fn encode<W: Write>(self, w: &mut W) -> Result<(), EncodingError>

Trait Implementations

impl Clone for FrameControl

fn clone(&self) -> FrameControl

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for FrameControl

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

Formats the value using the given formatter.

impl Default for FrameControl

fn default() -> FrameControl

Returns the “default value” for a type.

impl Copy for FrameControl