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();
@@ -51,7 +51,6 @@ 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() {
@@ -64,7 +63,7 @@ fn main() {
                         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));
@@ -86,6 +87,8 @@ fn main() {
                         camera_frame.redraw();
                         let duration = start.elapsed();
                         println!("RGB8 Frame Draw use time: {:?}", duration);
+                    })
+                    .unwrap();
                 }
                 Err(e) => {
                     eprintln!("捕获错误: {}", e);
@@ -94,8 +97,6 @@ fn main() {
             }
             app.wait();
         }
-        })
-        .unwrap();
     }
 }