image.rs

gistfile1.txt

extern crate image;
extern crate glob;

use image::GenericImage;
use image::RgbaImage;
use glob::glob;

struct ImageSequence {
  images: Vec<RgbaImage>,
}

impl ImageSequence {
  fn from_dir() -> ImageSequence {

    let mut images = Vec::new();

    for dir_entry_result in glob("data/mandelbrot/*.png").expect("failed to read data/mandelbrot") {
      let dir_entry = dir_entry_result.expect("failed to unwrap dir entry");
      println!("{:?}", dir_entry);
      let img = image::open(dir_entry).expect("failed to decode image");
      println!("{:?}", img.dimensions());
      println!("{:?}", img.color());
      images.push(img.to_rgba());
    }

    ImageSequence {
      images: images,
    }
  }
}


fn main() {

  let mut seq = ImageSequence::from_dir();

  for (i, image) in seq.images.iter_mut().enumerate() {
    for pixel in image.pixels_mut() {
      if pixel.data[2] >= 200 { 
        pixel.data[0] = 0;
        pixel.data[1] = 0;
        pixel.data[2] = 255;
      };
    }
    println!("manipulated this image {:?}", i)
  }

  for (i, image) in seq.images.iter().enumerate() {
    image.save(format!("data/out/{}.png", i)).expect("failed to save");
    println!("successfully saved image # {:?}", i)
  }

}