Trait image::ImageDecoderExt

pub trait ImageDecoderExt<'a>: ImageDecoder<'a> + Sized {
    fn read_rect_with_progress<F: Fn(Progress)>(
        &mut self, 
        x: u32, 
        y: u32, 
        width: u32, 
        height: u32, 
        buf: &mut [u8], 
        progress_callback: F
    ) -> ImageResult<()>;

    fn read_rect(
        &mut self, 
        x: u32, 
        y: u32, 
        width: u32, 
        height: u32, 
        buf: &mut [u8]
    ) -> ImageResult<()> { ... }
}

ImageDecoderExt trait

Required methods

fn read_rect_with_progress<F: Fn(Progress)>(
    &mut self,
    x: u32,
    y: u32,
    width: u32,
    height: u32,
    buf: &mut [u8],
    progress_callback: F
) -> ImageResult<()>

Read a rectangular section of the image, periodically reporting progress.

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Provided methods

fn read_rect(
    &mut self,
    x: u32,
    y: u32,
    width: u32,
    height: u32,
    buf: &mut [u8]
) -> ImageResult<()>

Read a rectangular section of the image.

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Implementors

impl<'a, R: 'a + BufRead + Seek> ImageDecoderExt<'a> for HDRAdapter<R>

fn read_rect_with_progress<F: Fn(Progress)>(
    &mut self,
    x: u32,
    y: u32,
    width: u32,
    height: u32,
    buf: &mut [u8],
    progress_callback: F
) -> ImageResult<()>

impl<'a, R: 'a + Read + Seek> ImageDecoderExt<'a> for BmpDecoder<R>

fn read_rect_with_progress<F: Fn(Progress)>(
    &mut self,
    x: u32,
    y: u32,
    width: u32,
    height: u32,
    buf: &mut [u8],
    progress_callback: F
) -> ImageResult<()>

impl<'a, R: 'a + Read + Seek> ImageDecoderExt<'a> for DxtDecoder<R>

fn read_rect_with_progress<F: Fn(Progress)>(
    &mut self,
    x: u32,
    y: u32,
    width: u32,
    height: u32,
    buf: &mut [u8],
    progress_callback: F
) -> ImageResult<()>

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