initial commit

src/main.rs

@@ -0,0 +1,56 @@
+use photon_rs::{
+    PhotonImage, multiple::watermark, native::open_image, native::save_image, transform::resize,
+};
+
+fn main() {
+    let base_path = "/mnt/c/Users/Formulatrix/Documents/Explorations/WebApplication1/tiles1705/";
+    const SCALE: f64 = 0.01;
+    const SIZE: u32 = 720;
+    let actual_size = (SIZE as f64 * SCALE).trunc() as u32;
+
+    // Open the image (a PhotonImage is returned)
+    let max_col = 31;
+    let max_row = 55;
+    let mut res = new_empty_image(actual_size * max_row, actual_size * max_col);
+    for i in 1..=max_col {
+        for j in 1..=max_row {
+            let filename = format!("{}{}{}.png", base_path, number_to_column(i), j);
+            // println!("{filename}");
+
+            let pre = open_image(filename).expect("File should open");
+            let img = resize(
+                &pre,
+                actual_size,
+                actual_size,
+                photon_rs::transform::SamplingFilter::Nearest,
+            );
+            watermark(
+                &mut res,
+                &img,
+                actual_size as i64 * j as i64,
+                actual_size as i64 * i as i64,
+            );
+        }
+    }
+
+    // Apply a sepia effect to the image.
+    save_image(res, "raw_image.png").expect("File should be saved");
+}
+pub fn new_empty_image(width: u32, height: u32) -> PhotonImage {
+    // 4 bytes per pixel (RGBA)
+    let num_pixels = (width * height * 4) as usize;
+    let raw_pixels = vec![0u8; num_pixels];
+    PhotonImage::new(raw_pixels, width, height)
+}
+fn number_to_column(mut num: u32) -> String {
+    let mut result = String::new();
+
+    while num > 0 {
+        num -= 1;
+        let ch = ((num % 26) as u8 + b'A') as char;
+        result.insert(0, ch);
+        num /= 26;
+    }
+
+    result
+}