small change to image resizing

src/ascii_manipulation.rs

@@ -15,7 +15,8 @@ fn to_ascii(char_map: String, image: DynamicImage) -> Vec<Vec<Ascii>> {
     let mut out: Vec<Vec<Ascii>> = Vec::new();
 
     for pixel in image.pixels() {
-        let ch = char_map.as_bytes()[((get_color(pixel) as f32-1.0)/255f32 * l) as usize];  //fixme: might break with non-ASCII char_map (ie braille chars, possibly)
+        let ch = char_map.as_bytes()[((get_color(pixel) as f32-1.0)/255f32 * l) as usize];
+        //fixme: might break with non-ASCII char_map (ie braille chars, possibly)
         str.push(Ascii::new(ch, pixel.2[0], pixel.2[1], pixel.2[2]));
 
         if pixel.0 == image.width()-1 {

src/image_manipulation.rs

@@ -1,5 +1,5 @@
 use termion::terminal_size;
-use log::{debug, error, trace};
+use log::{debug, error};
 use std::process::exit;
 use std::path::PathBuf;
 use image::DynamicImage;
@@ -20,20 +20,20 @@ fn get_terminal_size() -> (u32, u32) {
 
 pub fn resize_image(img: DynamicImage, full: bool, opt_w: Option<u32>) -> DynamicImage {
     let (mut w, mut h) = (1,1);
+    let (max_w, max_h) = get_terminal_size();
     if full {
-        w = get_terminal_size().0;
+        w = max_w-1;
         h = (img.height() as f32 * w as f32 / img.width() as f32 * 0.5) as u32;
     } else if let Some(act_w) = opt_w {
         w = act_w;
         h = (img.height() as f32 * w as f32 / img.width() as f32 * 0.5) as u32;
     } else {
-        let (max_w, max_h) = get_terminal_size();
-        if max_h*max_w/2 > img.height()*img.width() {
-            h = max_h;
-            w = (img.width() as f32 * h as f32 / img.height() as f32 * 2.0) as u32;
-        } else {
-            w = max_w;
-            h = (img.height() as f32 * w as f32 / img.height() as f32 * 0.5) as u32;
+        h = max_h-1;
+        w = (img.width() as f32 * h as f32 / img.height() as f32 * 2.0) as u32;
+
+        if w >= max_w {
+            w = max_w-1;
+            h = (img.height() as f32 * w as f32 / img.width() as f32 * 0.5) as u32;
         }
     }
     debug!("Resizing image to (w|h): {} | {}", w, h);

src/main.rs

@@ -16,7 +16,6 @@ mod model_rgb_ascii;
 //todo: general
 /* Documentation
  * Readme
- * https://stackoverflow.com/questions/69981449/how-do-i-print-colored-text-to-the-terminal-in-rust
  */
 
 fn main() {

src/model_rgb_ascii.rs

@@ -1,29 +1,13 @@
-
-pub struct RGB {
-    pub r: u8,
-    pub g: u8,
-    pub b: u8,
-}
-
 pub struct Ascii {
     pub char: char,
-    pub rgb: RGB,
+    pub rgb: [u8; 3],
 }
 
-
 impl Ascii {
-    fn _new(char: char, r: u8, g: u8, b: u8) -> Self {
+    pub fn new(ch: u8, r: u8, g: u8, b: u8) -> Self {
         Ascii {
-            char,
-            rgb: RGB {
-                r,
-                g,
-                b,
-            },
+            char: char::from(ch),
+            rgb: [r, g, b],
         }
     }
-
-    pub fn new(ch: u8, r: u8, g: u8, b: u8) -> Self {
-        Self::_new(char::from(ch), r, g, b)
-    }
 }

src/output.rs

@@ -10,7 +10,7 @@ pub fn print_terminal(art: Vec<Vec<Ascii>>, in_colour: bool) {
     for line in art {
         for ascii in line {
             if in_colour {
-                print!("{}{}", color::Fg(color::Rgb(ascii.rgb.r, ascii.rgb.g, ascii.rgb.b)), ascii.char);
+                print!("{}{}", color::Fg(color::Rgb(ascii.rgb[0], ascii.rgb[1], ascii.rgb[2])), ascii.char);
             } else {
                 print!("{}", ascii.char);
             }