Resize and center text

assets/index.html

@@ -24,7 +24,7 @@
         width: 100%;
         max-width: 600px;
         background: white;
-        border-radius: 16px;
+        border-radius: 8px;
         box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
         padding: 35px;
         margin: 40px 20px;
@@ -73,7 +73,10 @@
         border-color: #764ba2;
         outline: none;
       }
-
+      input:invalid textarea:invalid {
+        border-color: #760000;
+        outline: none;
+      }
       textarea {
         resize: vertical;
         min-height: 100px;

src/main.rs

@@ -74,28 +74,39 @@ fn get_files(options: GenerateOptions) -> Vec<(String, Vec<u8>)> {
     let mut files: Vec<(String, Vec<u8>)> = Vec::new();
     use text_to_png::TextRenderer;
     let renderer = TextRenderer::default();
+    let image_file_ending = "png";
 
     for f in options.filenames {
         let mut imgbuf = image::ImageBuffer::new(options.width, options.height);
         for (x, y, pixel) in imgbuf.enumerate_pixels_mut() {
-            *pixel = image::Rgba([255, 0, 2, 255]);
+            *pixel = image::Rgba([190, 190, 190, 255]);
         }
 
         let textpngdata = renderer
-            .render_text_to_png_data(&f, 64, "Dark Turquoise")
+            .render_text_to_png_data(format!("{}.{}", &f, image_file_ending), 100, "White")
             .unwrap();
 
-        let other = image::ImageReader::new(Cursor::new(textpngdata.data))
+        let pngtextsource = image::ImageReader::new(Cursor::new(textpngdata.data))
             .with_guessed_format()
             .unwrap()
             .decode()
             .unwrap();
-        imgbuf.copy_from(&other, 0, 0).unwrap();
+        let resized_text = pngtextsource.resize(
+            options.width / 2,
+            options.height,
+            image::imageops::FilterType::Nearest,
+        );
+        let xpos = (imgbuf.width() - resized_text.width()) / 2;
+        let ypos = (imgbuf.height() - resized_text.height()) / 2;
+        imgbuf.copy_from(&resized_text, xpos, ypos).unwrap();
 
         let mut buf = Cursor::new(Vec::new());
         imgbuf.write_to(&mut buf, image::ImageFormat::Png).unwrap();
 
-        files.push((String::from(format!("{}.png", f)), buf.into_inner()));
+        files.push((
+            String::from(format!("{}.{}", f, image_file_ending)),
+            buf.into_inner(),
+        ));
     }
 
     files