From 92a2fc830fc801845998d4a230fc138ba82bcf61 Mon Sep 17 00:00:00 2001
From: Bartosz Firyn <bartoszfiryn@gmail.com>
Date: Wed, 10 Feb 2016 10:55:27 +0100
Subject: [PATCH] Fine tuning saving memory consumption in JFX example, refs
 #432

---
 .../src/main/java/WebCamAppLauncher.java      | 33 ++++++++++++++-----
 1 file changed, 24 insertions(+), 9 deletions(-)

diff --git a/webcam-capture-examples/webcam-capture-javafx/src/main/java/WebCamAppLauncher.java b/webcam-capture-examples/webcam-capture-javafx/src/main/java/WebCamAppLauncher.java
index d491219b..e3f0c9f1 100644
--- a/webcam-capture-examples/webcam-capture-javafx/src/main/java/WebCamAppLauncher.java
+++ b/webcam-capture-examples/webcam-capture-javafx/src/main/java/WebCamAppLauncher.java
@@ -1,4 +1,9 @@
+import java.awt.Dimension;
 import java.awt.image.BufferedImage;
+import java.util.concurrent.atomic.AtomicReference;
+
+import com.github.sarxos.webcam.Webcam;
+import com.github.sarxos.webcam.WebcamResolution;
 
 import javafx.application.Application;
 import javafx.application.Platform;
@@ -20,16 +25,14 @@
 import javafx.scene.control.Label;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
+import javafx.scene.image.WritableImage;
 import javafx.scene.layout.BorderPane;
 import javafx.scene.layout.FlowPane;
 import javafx.stage.Stage;
 
-import com.github.sarxos.webcam.Webcam;
-
 
 /**
- * This example demonstrates how to use Webcam Capture API in a JavaFX
- * application.
+ * This example demonstrates how to use Webcam Capture API in a JavaFX application.
  * 
  * @author Rakesh Bhatt (rakeshbhatt10)
  */
@@ -177,6 +180,16 @@ protected Void call() throws Exception {
 				}
 
 				webCam = Webcam.getWebcams().get(webCamIndex);
+
+				Dimension[] nonStandardResolutions = new Dimension[] {
+					WebcamResolution.PAL.getSize(),
+					WebcamResolution.HD720.getSize(),
+					new Dimension(2000, 1000),
+					new Dimension(1000, 500), };
+
+				webCam.setCustomViewSizes(nonStandardResolutions);
+				webCam.setViewSize(WebcamResolution.HD720.getSize());
+
 				webCam.open();
 
 				startWebCamStream();
@@ -202,21 +215,23 @@ protected void startWebCamStream() {
 			@Override
 			protected Void call() throws Exception {
 
+				final AtomicReference<WritableImage> ref = new AtomicReference<>();
+				BufferedImage img = null;
+
 				while (!stopCamera) {
 					try {
-						if ((grabbedImage = webCam.getImage()) != null) {
+						if ((img = webCam.getImage()) != null) {
 
-							final Image mainiamge = SwingFXUtils.toFXImage(grabbedImage, null);
+							ref.set(SwingFXUtils.toFXImage(img, ref.get()));
+							img.flush();
 
 							Platform.runLater(new Runnable() {
 
 								@Override
 								public void run() {
-									imageProperty.set(mainiamge);
+									imageProperty.set(ref.get());
 								}
 							});
-
-							grabbedImage.flush();
 						}
 					} catch (Exception e) {
 						e.printStackTrace();