Initial commit

3598ee4e · John · 3598ee4e · 3598ee4e · 3598ee4e · 3598ee4e
Commit 3598ee4e authored Aug 22, 2018 by John
12 changed files
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--- a/Cargo.toml
+++ b/Cargo.toml
+[package]
+name = "image_analyzer"
+version = "0.1.0"
+authors = ["TheBestJohn <[email protected]>"]
+
+[[bin]]
+name = "change"
+path = "src/main.rs"
+
+[[bin]]
+name = "pi"
+path = "src/pi.rs"
+
+[dependencies]
+palette = "0.4.1"
+image = "0.19.0"
--- a/README.md
+++ b/README.md
+https://pythonprogramming.net/k-means-from-scratch-machine-learning-tutorial/
+
+https://buzzrobot.com/dominant-colors-in-an-image-using-k-means-clustering-3c7af4622036
\ No newline at end of file
--- a/img.jpg
+++ b/img.jpg
--- a/pi.png
+++ b/pi.png
--- a/pi.txt
+++ b/pi.txt
--- a/src/main.rs
+++ b/src/main.rs
+extern crate image;
+//extern crate palette;
+
+use image::{GenericImage, ImageBuffer};
+
+fn get_color(px:image::Rgba<u8>) {
+    println!("{:?}",px);
+
+}
+
+fn modify(val:u8, percent:u32)-> u8{
+    let ret=((val as u32*percent)+50)/100;
+    ret.min(255) as u8
+}
+
+fn main() {
+    let img = image::open("img.jpg").unwrap();
+    let dimensions = img.dimensions();
+    let mut buff:image::RgbaImage = ImageBuffer::new(dimensions.0,dimensions.1);
+
+    let pixeliter = img.pixels() ;
+
+    for pixel in pixeliter{
+        //get_color(pixel.2);
+        let mut newpix = pixel.clone();
+        let mut red = newpix.2[0];
+        let mut green = newpix.2[1];
+        let mut blue = newpix.2[2];
+        newpix.2[0] = modify(green, 200);
+        newpix.2[1]=blue;
+        newpix.2[2]=red ;
+
+        buff.put_pixel(newpix.0,newpix.1,newpix.2);
+    }
+
+    buff.save("test.png").unwrap();
+}
\ No newline at end of file
--- a/src/pi.rs
+++ b/src/pi.rs
+extern crate image;
+extern crate palette;
+
+
+use image::{ImageBuffer};
+use std::time::{Instant};
+use std::io::{BufRead, BufReader};
+use std::fs::File;
+use palette::{Srgb, Shade, Pixel};
+
+//We're cheating here. To do better, see https://en.wikipedia.org/wiki/Bailey%E2%80%93Borwein%E2%80%93Plouffe_formula
+//https://stackoverflow.com/questions/35385703/read-file-character-by-character-in-rust
+
+
+fn draw_dat_boi(target:u32) -> [u8;3]{
+
+    let base = Srgb::new(0.62, 0.3, 0.3).into_linear();
+    let lighter = base.lighten(0.04*target as f32);
+
+    let pixel: [u8; 3] = Srgb::from_linear(lighter).into_format().into_raw();
+    pixel
+//    let colors:[[_; 3];10] = [[0,0,0],[255,0,0],[0,255,0],pixel,[255,255,0],[255,0,255],[0,255,255],[255, 165, 0],[127,127,127],[255,255,255]];
+//    println!("{:?}", colors[target as usize]);
+//    colors[target as usize]
+}
+
+fn main() {
+    let now = Instant::now();
+    let mut buff:image::RgbImage = ImageBuffer::new(1000,1001);
+
+    let mut row = 0;
+    let mut col = 0;
+
+    let mut f = BufReader::new(File::open("pi.txt").expect("open failed"));
+
+    let mut buf = Vec::<u8>::new();
+    while f.read_until(b'\n', &mut buf).expect("read_until failed") != 0 {
+        // this moves the ownership of the read data to s
+        // there is no allocation
+        let s = String::from_utf8(buf).expect("from_utf8 failed");
+
+
+        for c in s.chars() {
+            let color = draw_dat_boi(c.to_digit(10).unwrap());
+            buff.put_pixel(col,row,image::Rgb(color));
+            col += 1;
+            if col > 999 { col=0; row += 1; };
+
+        }
+        // this returns the ownership of the read data to buf
+        // there is no allocation
+        buf = s.into_bytes();
+        buf.clear();
+        buff.save("pi.png").unwrap();
+    };
+    println!("{}", now.elapsed().as_secs());
+}
\ No newline at end of file
--- a/test.png
+++ b/test.png