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+# image peek + +this is a small utility application written in rust to preview images in the terminal. + +![Image](./examples/001.png) + +![Image](./examples/002.png) + diff --git a/examples/001.png b/examples/001.png new file mode 100644 index 0000000..8c83a68 Binary files /dev/null and b/examples/001.png differ diff --git a/examples/002.png b/examples/002.png new file mode 100644 index 0000000..ee47fe6 Binary files /dev/null and b/examples/002.png differ diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..faac07f --- /dev/null +++ b/src/main.rs @@ -0,0 +1,164 @@ +use image::GenericImageView; +use std::env; +use yansi::Paint; + +#[derive(Debug)] +enum MatchDimension { + BBh, + BS, + SB, + BBw, +} + +fn main() { + let args: Vec = env::args().collect(); + let filename = &args[1]; + let vip_char = '█'; + + let img = image::open(filename).unwrap(); + + let (term_height, term_width) = termsize::get().map(|size| (size.rows, size.cols)).unwrap(); + let (image_width, image_height) = img.dimensions(); + + let scaler = if image_height > image_width && term_height > term_width { + ( + MatchDimension::BBh, + image_height, + term_height, + image_width as f32 / image_height as f32, + ) + } else if image_height < image_width && term_height > term_width { + ( + MatchDimension::BS, + image_width, + term_height, + image_height as f32 / image_width as f32, + ) + } else if image_height > image_width && term_height < term_width { + ( + MatchDimension::SB, + image_height, + term_width, + image_width as f32 / image_height as f32, + ) + } else if image_height < image_width && term_height < term_width { + ( + MatchDimension::BBw, + image_width, + term_width, + image_height as f32 / image_width as f32, + ) + } else { + panic!("Something went wrong") + }; + + match scaler.0 { + MatchDimension::BBh => { + let ratio: f32 = image_height as f32 / term_height as f32; + + for y in 0..term_height as u32 { + if y % 2 == 0 { + continue; + } + + for x in 0..(term_height as f32 * scaler.3) as u32 { + let new_x = (x as f32 * ratio) as u32; + let new_y = (y as f32 * ratio) as u32; + + let x_d = if new_x < img.dimensions().0 { + new_x + } else { + img.dimensions().0 - 1 + }; + let y_d = if new_y < img.dimensions().1 { + new_y + } else { + img.dimensions().1 - 1 + }; + + let pixel = img.get_pixel(x_d, y_d); + print!("{}", Paint::rgb(pixel[0], pixel[1], pixel[2], vip_char)); + } + } + } + MatchDimension::BS => { + let ratio: f32 = image_width as f32 / term_width as f32; + + for y in 0..(term_width as f32 * scaler.3) as u32 { + if y % 2 == 0 { + continue; + } + for x in 0..term_width as u32 { + let new_x = (x as f32 * ratio) as u32; + let new_y = (y as f32 * ratio) as u32; + let x_d = if new_x < img.dimensions().0 { + new_x + } else { + img.dimensions().0 - 1 + }; + let y_d = if new_y < img.dimensions().1 { + new_y + } else { + img.dimensions().1 - 1 + }; + let pixel = img.get_pixel(x_d, y_d); + print!("{}", Paint::rgb(pixel[0], pixel[1], pixel[2], vip_char)); + } + println!(); + } + } + MatchDimension::SB => { + let ratio: f32 = image_height as f32 / term_height as f32; + + for y in 0..term_height as u32 { + if y % 2 == 0 { + continue; + } + + for x in 0..(term_height as f32 * scaler.3) as u32 { + let new_x = (x as f32 * ratio) as u32; + let new_y = (y as f32 * ratio) as u32; + let x_d = if new_x < img.dimensions().0 { + new_x + } else { + img.dimensions().0 - 1 + }; + let y_d = if new_y < img.dimensions().1 { + new_y + } else { + img.dimensions().1 - 1 + }; + let pixel = img.get_pixel(x_d, y_d); + print!("{}", Paint::rgb(pixel[0], pixel[1], pixel[2], vip_char)); + } + println!(); + } + } + MatchDimension::BBw => { + let ratio: f32 = image_height as f32 / term_height as f32; + + for y in 0..(term_height as f32 * scaler.3) as u32 { + if y % 2 == 0 { + continue; + } + for x in 0..term_height as u32 { + let new_x = (x as f32 * ratio) as u32; + let new_y = (y as f32 * ratio) as u32; + let x_d = if new_x < img.dimensions().0 { + new_x + } else { + img.dimensions().0 - 1 + }; + let y_d = if new_y < img.dimensions().1 { + new_y + } else { + img.dimensions().1 - 1 + }; + let pixel = img.get_pixel(x_d, y_d); + print!("{}", Paint::rgb(pixel[0], pixel[1], pixel[2], vip_char)); + } + println!(); + } + } + } +}