Waveform (native)

PlayWallCore/src/de/tobias/playpad/pad/view/PeakTrack.java

@@ -37,7 +37,7 @@ public class PeakTrack extends HBox {
 				label.minHeightProperty().bind(minHeightProperty());
 				label.prefHeightProperty().bind(prefHeightProperty());
 
-				label.prefWidthProperty().bind(widthProperty().multiply(0.05).subtract(2));
+				label.prefWidthProperty().bind(widthProperty().multiply(0.05).subtract(3));
 
 				label.setBorder(new Border(new BorderStroke(Color.BLACK, BorderStrokeStyle.SOLID, new CornerRadii(5), new BorderWidths(0.5))));
 				if (i < 0.75)

PlayWallNative/src/de/tobias/playpad/view/WaveformView.java

+package de.tobias.playpad.view;
+
+import javafx.scene.shape.LineTo;
+import javafx.scene.shape.MoveTo;
+import javafx.scene.shape.Path;
+
+public class WaveformView extends Path {
+
+	public WaveformView(float[] data) {
+		getElements().add(new MoveTo(0, 0));
+
+		for (int i = 0; i < data.length; i++) {
+			LineTo lineTo = new LineTo(i, data[i] * 50.0);
+			MoveTo moveTo = new MoveTo(i, data[i] * 50.0);
+
+			getElements().addAll(lineTo, moveTo);
+		}
+		for (int i = data.length - 1; i >= 0; i--) {
+			LineTo lineTo = new LineTo(i, -data[i] * 50.0);
+			MoveTo moveTo = new MoveTo(i, -data[i] * 50.0);
+
+			getElements().addAll(lineTo, moveTo);
+		}
+		getElements().add(new LineTo(0, 0));
+		getElements().add(new MoveTo(0, 0));
+		setScaleX(0.5);
+
+	}
+}

PlayWallNative/test/de/tobias/playpad/WaveformTest.java

 package de.tobias.playpad;
 
 import de.tobias.playpad.Waveform.WaveformDelegate;
+import de.tobias.playpad.view.WaveformView;
+import javafx.application.Application;
+import javafx.geometry.Insets;
+import javafx.scene.Scene;
+import javafx.scene.layout.VBox;
+import javafx.stage.Stage;
 
-public class WaveformTest implements WaveformDelegate {
+public class WaveformTest extends Application {
+
+	private static float[] data;
 	
 	public static void main(String[] args) {
 		System.load("/Users/tobias/Documents/Programmieren/Java/git/PlayWall/PlayWallNative/libNativeAudio.dylib");
 
-		new WaveformTest();
+		WaveformTest.data = new Test().data;
+		
+		launch(args);
 	}
 
-	public WaveformTest() {
+	@Override
+	public void start(Stage primaryStage) throws Exception {
+		WaveformView view = new WaveformView(WaveformTest.data);
+		VBox root = new VBox(view);
+		Scene scene = new Scene(root);
+		
+		primaryStage.setScene(scene);
+		primaryStage.show();
+	}
+
+	public static class Test implements WaveformDelegate {
+		public Test() {
 			Waveform.initialize();
 			Waveform.setDelegate(this);
-		Waveform.createWaveform("/Users/tobias/Downloads/Short.mp3");
+			Waveform.createWaveform("/Users/tobias/Downloads/03%20Hymn%20for%20the%20Weekend.mp3.wav");
 
 			synchronized (this) {
 				try {
@@ -24,14 +45,14 @@ public class WaveformTest implements WaveformDelegate {
 			}
 		}
 
+		float[] data;
+
 		@Override
 		public void sampleProcessed(float[] data) {
-		System.out.println(data.length);
-		for (int i = 0; i < data.length; i++) {
-			System.out.println(data[i]);
-		}
+			this.data = data;
 			synchronized (this) {
 				notify();
 			}
 		}
 	}
+}