[−][src]Struct png::Info
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>Methods
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
Auto Trait Implementations
Blanket Implementations
impl<T> From for T[src]
impl<T, U> Into for T where
U: From<T>, [src]
U: From<T>,
impl<T, U> TryFrom for T where
U: Into<T>, [src]
U: Into<T>,
type Error = !
🔬 This is a nightly-only experimental API. (
try_from)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]
impl<T> Borrow for T where
T: ?Sized, [src]
T: ?Sized,
impl<T> Any for T where
T: 'static + ?Sized, [src]
T: 'static + ?Sized,
fn get_type_id(&self) -> TypeId[src]
impl<T, U> TryInto for T where
U: TryFrom<T>, [src]
U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
🔬 This is a nightly-only experimental API. (
try_from)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]
impl<T> BorrowMut for T where
T: ?Sized, [src]
T: ?Sized,