Simplify example in Scratch.java

Author: doblon8

src/test/java/Scratch.java

@@ -1,52 +1,33 @@
-import io.github.doblon8.openpnp.capture.CaptureException;
-import io.github.doblon8.openpnp.capture.CaptureProperty;
-import io.github.doblon8.openpnp.capture.LogLevel;
-import io.github.doblon8.openpnp.capture.OpenPnpCapture;
+import io.github.doblon8.openpnp.capture.*;
 
 import javax.imageio.ImageIO;
-import java.awt.*;
 
-import static io.github.doblon8.openpnp.capture.OpenPnpCapture.installCustomLogFunction;
-import static io.github.doblon8.openpnp.capture.OpenPnpCapture.setLogLevel;
+import static io.github.doblon8.openpnp.capture.OpenPnpCapture.*;
 
-void main() {
-    var version = OpenPnpCapture.getLibraryVersion();
-    System.out.println("OpenPnP Capture Library Version: " + version);
+void main() throws Exception {
+    System.out.println("openpnp-capture version: " + OpenPnpCapture.getLibraryVersion());
 
-    setLogLevel(LogLevel.DEBUG);
-    installCustomLogFunction((logLevel, message) -> System.out.println("Custom Log [" + logLevel + "]: " + message));
+    setLogLevel(LogLevel.INFO);
+    installCustomLogFunction((logLevel, message) -> System.out.println("Log [" + logLevel + "]: " + message));
 
     try (var capture = new OpenPnpCapture()) {
-        // No checking if devices and format are available, just get the first ones for testing
-        var device = capture.getDevices().getFirst();
-        var format = device.getFormats().getFirst();
-        System.out.println("Using device '" + device.getName() + "' with format " + format);
+        var device = capture.getDevices().stream()
+                .findFirst()
+                .orElseThrow(() -> new CaptureException("No capture devices found."));
+
+        var format = device.getFormats().stream()
+                .findFirst()
+                .orElseThrow(() -> new CaptureException("No formats found."));
 
         try (var stream = device.openStream(format)) {
-            System.out.println("Stream is open: " + stream.isOpen());
-            TimeUnit.SECONDS.sleep(1); // wait a bit to get the webcam ready
-
-            System.out.println("Zoom property limits: " + stream.getPropertyLimits(CaptureProperty.ZOOM));
-            System.out.println("Current zoom value: " + stream.getPropertyValue(CaptureProperty.ZOOM));
-            stream.setProperty(CaptureProperty.ZOOM, 200);
-            System.out.println("Zoom value after setting to 200: " + stream.getPropertyValue(CaptureProperty.ZOOM));
-
-            var image1 = stream.capture();
-            ImageIO.write(image1, "png", new File("/tmp/image_manual_zoom.png"));
-            System.out.println("Captured image with manual zoom saved to /tmp/image_manual_zoom.png");
-
-            System.out.println("Current auto focus value: " + stream.getAutoProperty(CaptureProperty.FOCUS));
-            stream.setAutoProperty(CaptureProperty.FOCUS, false);
-            System.out.println("Auto focus after setting to false: " + stream.getAutoProperty(CaptureProperty.FOCUS));
-            var image2 = stream.capture();
-            ImageIO.write(image2, "png", new File("/tmp/image_auto_focus_disabled.png"));
-            System.out.println("Captured image with auto focus disabled saved to /tmp/image_auto_focus_disabled.png");
-        } catch (InterruptedException e) {
-            System.err.println("Interrupted while waiting for webcam: " + e.getMessage());
+            TimeUnit.SECONDS.sleep(1); // let the camera initialize
+
+            var zoomLimits = stream.getPropertyLimits(CaptureProperty.ZOOM);
+            System.out.println("Zoom limits: " + zoomLimits);
+
+            var image = stream.capture();
+            ImageIO.write(image, "png", new File("/tmp/image.png"));
+            System.out.println("Captured image saved to /tmp/image.png");
         }
-    } catch (CaptureException e) {
-        System.err.println("Error using CaptureContext: " + e.getMessage());
-    } catch (IOException e) {
-        System.err.println("Error saving image: " + e.getMessage());
     }
 }