1 files changed, 47 insertions, 41 deletions
diff --git a/racer-tracer/src/image_action/png.rs b/racer-tracer/src/image_action/png.rs
index c43e863..4887d3d 100644
--- a/racer-tracer/src/image_action/png.rs
+++ b/racer-tracer/src/image_action/png.rs
@@ -13,52 +13,58 @@ impl ImageAction for SavePng {
     fn action(
         &self,
         screen_buffer: &RwLock<Vec<u32>>,
-        _event: &SignalEvent,
+        event: &SignalEvent,
         config: &Config,
     ) -> Result<(), TracerError> {
-        screen_buffer
-            .read()
-            .map_err(|e| TracerError::FailedToAcquireLock(e.to_string()))
-            .map(|buf| {
-                // Convert ARGB8 to RGBA8
-                buf.iter()
-                    .map(|v| {
-                        let a: u32 = (v >> 24) & 0xff;
-                        let r: u32 = (v >> 16) & 0xff;
-                        let g: u32 = (v >> 8) & 0xff;
-                        let b: u32 = v & 0xff;
+        let status = event.status();
+        event.reset();
+        if status {
+            Ok(())
+        } else {
+            screen_buffer
+                .read()
+                .map_err(|e| TracerError::FailedToAcquireLock(e.to_string()))
+                .map(|buf| {
+                    // Convert ARGB8 to RGBA8
+                    buf.iter()
+                        .map(|v| {
+                            let a: u32 = (v >> 24) & 0xff;
+                            let r: u32 = (v >> 16) & 0xff;
+                            let g: u32 = (v >> 8) & 0xff;
+                            let b: u32 = v & 0xff;
 
-                        (r << 24) | (g << 16) | (b << 8) | a
-                    })
-                    .flat_map(|val| val.to_be_bytes())
-                    .collect::<Vec<u8>>()
-            })
-            .and_then(|buf| match &config.image_output_dir {
-                Some(image_dir) => {
-                    println!("Saving image...");
-                    let mut sha = Sha256::new();
+                            (r << 24) | (g << 16) | (b << 8) | a
+                        })
+                        .flat_map(|val| val.to_be_bytes())
+                        .collect::<Vec<u8>>()
+                })
+                .and_then(|buf| match &config.image_output_dir {
+                    Some(image_dir) => {
+                        println!("Saving image...");
+                        let mut sha = Sha256::new();
 
-                    sha.update(buf.as_slice());
+                        sha.update(buf.as_slice());
 
-                    let mut file_path = PathBuf::from(image_dir);
-                    file_path.push(format!("{:X}.png", sha.finalize()));
+                        let mut file_path = PathBuf::from(image_dir);
+                        file_path.push(format!("{:X}.png", sha.finalize()));
 
-                    img::save_buffer(
-                        file_path.as_path(),
-                        buf.as_slice(),
-                        config.screen.width as u32,
-                        config.screen.height as u32,
-                        img::ColorType::Rgba8,
-                    )
-                    .map_err(|e| {
-                        let error = e.to_string();
-                        TracerError::ImageSave(error)
-                    })
-                    .map(|_| {
-                        println!("Saved image to: {}", file_path.to_string_lossy());
-                    })
-                }
-                None => Ok(()),
-            })
+                        img::save_buffer(
+                            file_path.as_path(),
+                            buf.as_slice(),
+                            config.screen.width as u32,
+                            config.screen.height as u32,
+                            img::ColorType::Rgba8,
+                        )
+                        .map_err(|e| {
+                            let error = e.to_string();
+                            TracerError::ImageSave(error)
+                        })
+                        .map(|_| {
+                            println!("Saved image to: {}", file_path.to_string_lossy());
+                        })
+                    }
+                    None => Ok(()),
+                })
+        }
     }
 }