Struct ImageOptions 

pub struct ImageOptions { /* private fields */ }

Implementations

impl ImageOptions

pub fn bit_map_algorithm( &mut self, bit_map_algorithm: BitMapAlgorithm, ) -> &mut Self

Examples found in repository

examples/lena.rs (line 15)

fn main() -> Result<()> {
    let img = image::open("./examples/lena.jpg").unwrap();
    PrinterConfig::tm_t20ii()
        .build(io::stdout())?
        .reset()?
        .println("dithered:")?
        .image(&EscposImage::new(&img, &Default::default()))?
        .println("threshold:")?
        .image(&EscposImage::new(
            &img,
            &ImageOptions::default().bit_map_algorithm(BitMapAlgorithm::Threshold(80)),
        ))?
        .cut()?;
    Ok(())
}

pub fn scale(&mut self, scale: f64) -> Result<&mut Self>

Examples found in repository

examples/justification.rs (line 8)

fn main() -> Result<()> {
    let img = image::open("./examples/lena.jpg").unwrap();
    let escpos_img = EscposImage::new(&img, ImageOptions::default().scale(0.3)?);
    PrinterConfig::tm_t20ii()
        .build(io::stdout())?
        .reset()?
        .println("Left: Hello world!")?
        .image(&escpos_img)?
        .justification(Justification::Center)?
        .println("Center: Hello world!")?
        .image(&escpos_img)?
        .justification(Justification::Right)?
        .println("Right: Hello world!")?
        .image(&escpos_img)?
        .cut()?;
    Ok(())
}

pub fn filter_type(&mut self, filter_type: FilterType) -> &mut Self

Trait Implementations

impl Clone for ImageOptions

fn clone(&self) -> ImageOptions

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ImageOptions

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

Formats the value using the given formatter.

impl Default for ImageOptions

fn default() -> Self

Returns the “default value” for a type.