src/main.rs

@@ -23,12 +23,12 @@ fn main() {
     let app = App::default();
     let mut camera_window = Window::new(0, 0, 400, 400, "Camera Video Output Window");
     let mut camera_frame = Frame::default_fill();
-    camera_frame.set_align(Align::Center);
+    camera_frame.set_align(Align::LeftTop);
     camera_window.end();
     camera_window.show();
     let mut color_window = Window::new(0, 450, 400, 400, "Video Output Window");
     let mut color_frame = Frame::default_fill();
-    color_frame.set_align(Align::Center);
+    color_frame.set_align(Align::LeftTop);
     color_window.end();
     color_window.show();
     // app.run().unwrap();
@@ -51,20 +51,19 @@ fn main() {
     let mut w = 0;
     let mut h = 0;
     if camera_open {
-        crossbeam::scope(|_| {
-            loop {
-                // 捕获一帧图像
-                match camera.capture() {
-                    Ok(data) => {
-                        let start = Instant::now();
-                        let img = image::load_from_memory(&data).unwrap();
-                        let l_data = img.to_luma8();
-                        let mut rgb_data = img.to_rgb8();
-                        if w == 0 {
-                            w = l_data.width() as i32;
-                            h = l_data.height() as i32;
-                        }
-
+        loop {
+            // 捕获一帧图像
+            match camera.capture() {
+                Ok(data) => {
+                    let start = Instant::now();
+                    let img = image::load_from_memory(&data).unwrap();
+                    let l_data = img.to_luma8();
+                    let mut rgb_data = img.to_rgb8();
+                    if w == 0 {
+                        w = l_data.width() as i32;
+                        h = l_data.height() as i32;
+                    }
+                    crossbeam::scope(|_| {
                         for tmp_x in 0..30 {
                             for tmp_y in 0..60 {
                                 rgb_data.put_pixel(tmp_x, tmp_y, Rgb([102, 204, 255]));
@@ -78,7 +77,9 @@ fn main() {
                         color_frame.redraw();
                         let duration = start.elapsed();
                         println!("L8 Frame Draw use time: {:?}", duration);
-
+                    })
+                    .unwrap();
+                    crossbeam::scope(|_| {
                         let fltk_l_image =
                             RgbImage::new(l_data.as_raw(), w, h, ColorDepth::L8).unwrap();
                         camera_frame.set_image(Some(fltk_l_image));
@@ -86,16 +87,16 @@ fn main() {
                         camera_frame.redraw();
                         let duration = start.elapsed();
                         println!("RGB8 Frame Draw use time: {:?}", duration);
-                    }
-                    Err(e) => {
-                        eprintln!("捕获错误: {}", e);
-                        continue;
-                    }
+                    })
+                    .unwrap();
+                }
+                Err(e) => {
+                    eprintln!("捕获错误: {}", e);
+                    continue;
                 }
-                app.wait();
             }
-        })
-        .unwrap();
+            app.wait();
+        }
     }
 }