Struct nannou::image::codecs::jpeg::JpegDecoder [−][src]
pub struct JpegDecoder<R> { /* fields omitted */ }
Expand description
JPEG decoder
Implementations
Create a new decoder that decodes from the stream r
Configure the decoder to scale the image during decoding.
This efficiently scales the image by the smallest supported scale factor that produces an image larger than or equal to the requested size in at least one axis. The currently implemented scale factors are 1/8, 1/4, 1/2 and 1.
To generate a thumbnail of an exact size, pass the desired size and then scale to the final size using a traditional resampling algorithm.
The size of the image to be loaded, with the scale factor applied, is returned.
Trait Implementations
type Reader = JpegReader<R>
type Reader = JpegReader<R>
The type of reader produced by into_reader
.
Returns a tuple containing the width and height of the image
Returns the color type of the image data produced by this decoder
Returns a reader that can be used to obtain the bytes of the image. For the best
performance, always try to read at least scanline_bytes
from the reader at a time. Reading
fewer bytes will cause the reader to perform internal buffering. Read more
Returns all the bytes in the image. Read more
Retuns the color type of the image file before decoding
Returns the total number of bytes in the decoded image. Read more
Returns the minimum number of bytes that can be efficiently read from this decoder. This may
be as few as 1 or as many as total_bytes()
. Read more
Auto Trait Implementations
impl<R> RefUnwindSafe for JpegDecoder<R> where
R: RefUnwindSafe,
impl<R> Send for JpegDecoder<R> where
R: Send,
impl<R> Sync for JpegDecoder<R> where
R: Sync,
impl<R> Unpin for JpegDecoder<R> where
R: Unpin,
impl<R> UnwindSafe for JpegDecoder<R> where
R: UnwindSafe,
Blanket Implementations
impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S where
T: Component + Float,
Swp: WhitePoint,
Dwp: WhitePoint,
D: AdaptFrom<S, Swp, Dwp, T>,
impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S where
T: Component + Float,
Swp: WhitePoint,
Dwp: WhitePoint,
D: AdaptFrom<S, Swp, Dwp, T>,
Mutably borrows from an owned value. Read more
Convert into T with values clamped to the color defined bounds Read more
Convert into T. The resulting color might be invalid in its color space Read more
Convert into T, returning ok if the color is inside of its defined range,
otherwise an OutOfBounds
error is returned which contains the unclamped color. Read more