custom backgrounds, audio player better

build.rs

@@ -0,0 +1,46 @@
+use std::fs::{ read_dir, File };
+use std::io::Write;
+
+use bmp_rust::bmp::BMP;
+
+fn font_chars_to_alphas(dir: &str) {
+  for entry in read_dir(dir).unwrap() {
+    let path = entry.unwrap().path();
+    let file_name = path.file_name().unwrap().to_str().unwrap().to_string();
+    let file_name: Vec<&str> = file_name.split(".").collect();
+    if file_name[1] == "bmp" {
+      if !path.is_dir() {
+        let mut ch: Vec<Vec<String>> = Vec::new();
+        let b = BMP::new_from_file(&path.clone().into_os_string().into_string().unwrap());
+        let dib_header = b.get_dib_header().unwrap();
+        let width = dib_header.width as usize;
+        let height = dib_header.height as usize;
+        for y in 0..height {
+          let mut row = Vec::new();
+          for x in 0..width {
+            let pixel_color = b.get_color_of_px(x, y).unwrap();
+            //if black, true
+            row.push(pixel_color[3].to_string()); //push alpha channel
+          }
+          ch.push(row);
+        }
+        let ch: Vec<String> = ch.into_iter().map(|row| {
+          row.join(",")
+        }).collect();
+        let chars: Vec<char> = file_name[0].chars().collect();
+        File::create(dir.to_string() + "/" + &chars[0].to_string() + ".alpha").unwrap().write_all(
+            (chars[1].to_string() + "\n" + &ch.join("\n")).as_bytes()
+        ).unwrap();
+      }
+    }
+  }
+}
+
+fn main() {
+  for entry in read_dir("./bmps").unwrap() {
+    let path = entry.unwrap().path();
+    if path.is_dir() {
+      font_chars_to_alphas(path.to_str().unwrap());
+    }
+  }
+}