From 948a8f361047fa38a37fe43815584611c4398162 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20Czy=C5=BC?= <mike@c2yz.com>
Date: Mon, 24 Jun 2024 18:45:13 +0200
Subject: [PATCH] 1.0.0 finished

---
 Cargo.lock  | 318 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 Cargo.toml  |   1 +
 src/main.rs |  87 +++++++++++++-
 3 files changed, 404 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index e25d7ce..55efab5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,324 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
 [[package]]
 name = "ascii-gen"
 version = "0.1.0"
+dependencies = [
+ "image",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c4b4d0bd25bd0b74681c0ad21497610ce1b7c91b1022cd21c80c6fbdd9476b0"
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+
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+ "bit_field",
+ "flume",
+ "half",
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+ "zune-inflate",
+]
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+ "bytemuck",
+ "byteorder",
+ "color_quant",
+ "exr",
+ "gif",
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+ "tiff",
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+ "flate2",
+ "jpeg-decoder",
+ "weezl",
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diff --git a/Cargo.toml b/Cargo.toml
index 9690914..95c6624 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+image = "0.24.9"
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..2a4773e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,86 @@
-fn main() {
-    println!("Hello, world!");
+use std::env;
+use image;
+use image::GenericImageView;
+
+fn parse_args() -> Vec<String> {
+    let args: Vec<String> = env::args().collect();
+
+    if args.len() < 2 {
+        println!("Usage: {} <image_file>", args[0]);
+        std::process::exit(1);
+    }
+
+    args
 }
+
+fn load_image(file_name: &str) -> image::DynamicImage {
+    let img = image::open(file_name).expect("File not found!");
+    println!("Image loaded: {file_name}");
+    
+    img
+}
+
+fn print_size(img: &image::DynamicImage) {
+    let (width, height) = img.dimensions();
+    println!("Image dimensions: {width}x{height}");
+}
+
+fn select_char(brightness: &u8) -> &str {
+    match brightness {
+        0..=25 => "  ",
+        26..=50 => "..",
+        51..=75 => "::",
+        76..=100 => "--",
+        101..=125 => "==",
+        126..=150 => "++",
+        151..=175 => "**",
+        176..=200 => "##",
+        201..=225 => "%%",
+        226..=255 => "@@",
+    }
+}
+
+fn to_ascii(img: &image::DynamicImage) -> String {
+    let (width, height) = img.dimensions();
+    
+    let mut ascii_img = String::new();
+    
+    for y in 0..height {
+        for x in 0..width {
+            let pixel = img.get_pixel(x, y);
+
+            let red = pixel[0] as u16;
+            let green = pixel[1] as u16;
+            let blue = pixel[2] as u16;
+            
+            let brightness = ((red + green + blue) / 3) as u8;
+
+            ascii_img.push_str(select_char(&brightness));
+        }
+        ascii_img.push('\n');
+    }
+    
+    ascii_img
+}
+
+fn resize_image(img: &image::DynamicImage, nwidth: u32, nheight: u32) -> image::DynamicImage {
+    img.resize(nwidth, nheight, image::imageops::FilterType::Lanczos3)
+}
+
+fn main() {
+    println!("ASCII Generator\n----------------");
+    
+    let args: Vec<String> = parse_args();
+
+    let img = load_image(&args[1]);
+    print_size(&img);
+
+    let resized_img = resize_image(&img, 80, 25);
+    println!("Image resized");
+    print_size(&resized_img);
+
+    let ascii_img = to_ascii(&resized_img);
+    println!("ASCII image created");
+    
+    println!("{ascii_img}");
+}
\ No newline at end of file