Add minor null check

webcam-capture-drivers/driver-fswebcam/README.md

@@ -42,6 +42,26 @@ public class TakePictureExample {
 }
 ```
 
+The snapshot version is available in the Sonatype Snapshot Maven repository:
+
+<repository>
+    <id>Sonatype OSS Snapshot Repository</id>
+    <url>http://oss.sonatype.org/content/repositories/snapshots</url>
+</repository>
+
+Dependency:
+
+<dependency>
+    <groupId>com.github.sarxos</groupId>
+    <artifactId>webcam-capture-driver-fswebcam</artifactId>
+    <version>0.3.10-SNAPSHOT</version>
+</dependency>
+
+It can be also downloaded manually from:
+
+https://oss.sonatype.org/content/repositories/snapshots/com/github/sarxos/webcam-capture-driver-fswebcam/0.3.10-SNAPSHOT
+
+
 ## Issues
 
 There are several known issues. If you have an idea of how those can

webcam-capture/src/main/java/com/github/sarxos/webcam/ds/buildin/WebcamDefaultDevice.java

@@ -161,9 +161,15 @@ public Dimension getResolution() {
 
 	@Override
 	public void setResolution(Dimension size) {
+
+		if (size == null) {
+			throw new IllegalArgumentException("Size cannot be null");
+		}
+
 		if (open.get()) {
 			throw new IllegalStateException("Cannot change resolution when webcam is open, please close it first");
 		}
+
 		this.size = size;
 	}
 
@@ -233,6 +239,9 @@ public void open() {
 		if (size == null) {
 			size = getResolutions()[0];
 		}
+		if (size == null) {
+			throw new RuntimeException("The resolution size cannot be null");
+		}
 
 		LOG.debug("Webcam device {} starting session, size {}", device.getIdentifierStr(), size);