1 files changed, 41 insertions, 0 deletions
diff --git a/WPIJavaCV/src/edu/wpi/first/wpijavacv/WPIJavaCVUtils.java b/WPIJavaCV/src/edu/wpi/first/wpijavacv/WPIJavaCVUtils.java
new file mode 100644
index 0000000..b31da02
--- /dev/null
+++ b/WPIJavaCV/src/edu/wpi/first/wpijavacv/WPIJavaCVUtils.java
@@ -0,0 +1,41 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+package edu.wpi.first.wpijavacv;
+
+import static com.googlecode.javacv.cpp.opencv_highgui.*;
+
+/**
+ *  A class with utility functions. Use this instead of Thread.sleep()
+ * @author Greg Granito
+ */
+public class WPIJavaCVUtils {
+
+    /**
+     * Waits for the specified key to be pressed
+     * @param key the key (case sensitive)
+     */
+    public static void waitForKey(char key){
+        while(cvWaitKey() != key);
+    }
+
+    /**
+     * waits until any key has been pressed
+     * @return the key that was pressed
+     */
+    public static char waitForAnyKey(){
+        return (char)cvWaitKey();
+    }
+
+    /**
+     * Waits until the timeout or until a key is pressed
+     * @param key the case sensitive key
+     * @param timeoutMillis the timeout
+     * @return returns whether the key was pressed (false if the timeout occurs)
+     */
+    public static boolean keyIsPressed(char key, int timeoutMillis){
+        return cvWaitKey(timeoutMillis) == key;
+    }
+}