From d6cd29f2fccdf6f73b45e1c3e20da48b056e98a1 Mon Sep 17 00:00:00 2001
From: qhga <phga@posteo.de>
Date: Tue, 11 Jan 2022 01:14:43 +0100
Subject: [PATCH] feat: javafx dependency added, Rauschfilter (partially
 working)

---
 README.md                                     |  1 +
 pom.xml                                       | 11 ++++
 .../java/edu/thi/phga/aparapi_test/App.java   |  5 ++
 .../edu/thi/phga/aparapi_test/Devices.java    |  1 +
 .../thi/phga/aparapi_test/Rauschfilter.java   | 61 +++++++++++++++++++
 src/main/java/module-info.java                |  4 ++
 6 files changed, 83 insertions(+)
 create mode 100644 src/main/java/edu/thi/phga/aparapi_test/Rauschfilter.java
 create mode 100644 src/main/java/module-info.java

diff --git a/README.md b/README.md
index 33df90a..293d2be 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,7 @@ DEVICE=1
 # 21 - 25 = Reduce1 - Reduce5 respectively
 # 30 = All Prefix related implementations at once
 # 31 - 32 = Prefix1 - Prefix2 respectively
+# 40 = Rauschfilter (Spawns a javafx window)
 # DEFAULT = 0
 TARGET=31
 
diff --git a/pom.xml b/pom.xml
index d9d1262..f7f95c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,6 +18,10 @@
         <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
+    <!-- <modules>
+         <module>aparapi_test</module>
+         </modules>
+    -->
     <dependencies>
         <!-- https://mvnrepository.com/artifact/com.aparapi/aparapi -->
         <dependency>
@@ -26,6 +30,13 @@
             <version>3.0.0</version>
         </dependency>
 
+        <!-- https://mvnrepository.com/artifact/org.openjfx/javafx-controls -->
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-controls</artifactId>
+            <version>17.0.1</version>
+        </dependency>
+
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
diff --git a/src/main/java/edu/thi/phga/aparapi_test/App.java b/src/main/java/edu/thi/phga/aparapi_test/App.java
index c9cd070..698a88b 100644
--- a/src/main/java/edu/thi/phga/aparapi_test/App.java
+++ b/src/main/java/edu/thi/phga/aparapi_test/App.java
@@ -2,6 +2,8 @@ package edu.thi.phga.aparapi_test;
 
 import com.aparapi.device.OpenCLDevice;
 
+import javafx.application.Application;
+
 public class App {
   public static int choice;
   public static OpenCLDevice device;
@@ -95,6 +97,9 @@ public class App {
         java.util.Arrays.fill(b, 1);
         OpenCLPrefix2.start(b);
         break;
+      case 40:
+        Application.launch(Rauschfilter.class);
+        break;
     }
   }
 }
diff --git a/src/main/java/edu/thi/phga/aparapi_test/Devices.java b/src/main/java/edu/thi/phga/aparapi_test/Devices.java
index c65b57b..ed43182 100644
--- a/src/main/java/edu/thi/phga/aparapi_test/Devices.java
+++ b/src/main/java/edu/thi/phga/aparapi_test/Devices.java
@@ -1,3 +1,4 @@
+// Author:  Prof. Dr. Schmidt <Ulrich.Schmidt@thi.de>
 package edu.thi.phga.aparapi_test;
 
 import java.io.IOException;
diff --git a/src/main/java/edu/thi/phga/aparapi_test/Rauschfilter.java b/src/main/java/edu/thi/phga/aparapi_test/Rauschfilter.java
new file mode 100644
index 0000000..38348de
--- /dev/null
+++ b/src/main/java/edu/thi/phga/aparapi_test/Rauschfilter.java
@@ -0,0 +1,61 @@
+package edu.thi.phga.aparapi_test;
+
+import java.util.Arrays;
+import java.util.stream.IntStream;
+
+import javafx.geometry.Rectangle2D;
+import javafx.scene.Scene;
+import javafx.scene.canvas.Canvas;
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.layout.VBox;
+import javafx.stage.Screen;
+import javafx.stage.Stage;
+
+public class Rauschfilter extends javafx.application.Application {
+  private static Rectangle2D bounds = Screen.getPrimary().getBounds();
+
+  private static final int BREITE = (int) (bounds.getWidth() * 0.8);
+  private static final int HOEHE = BREITE * 9 / 16;
+
+  private static final double OMEGA = 8 * Math.PI / BREITE;
+  private static final int FILTERLAENGE = 15;
+
+  @Override
+  public void start(Stage stage) {
+    float[] noisy = new float[BREITE];
+    // float[] clean = new float[BREITE];
+
+    for (int i = 0; i < BREITE; i++) {
+      noisy[i] = (float) (5 * Math.sin(i * OMEGA) + Math.random() - 0.5);
+    }
+
+    // Kernel k = new FilterKernel(noisy, clean)
+
+    Canvas oben = getCanvas(noisy);
+
+    VBox vbox = new VBox(oben);
+
+    vbox.setStyle("-fx-background-color: whitesmoke");
+
+    stage.setScene(new Scene(vbox));
+    stage.setTitle("KAO: Mittelwertfilter der Ordnung " + (FILTERLAENGE - 1));
+    stage.setResizable(false);
+    stage.sizeToScene();
+    stage.show();
+  }
+
+  private Canvas getCanvas(float[] curve) {
+    Canvas canvas = new Canvas(BREITE, HOEHE / 2);
+    var statistics = IntStream.range(0, curve.length)
+      .mapToDouble(i -> curve[i])
+      .summaryStatistics();
+    double max = statistics.getMax(), min = statistics.getMin();
+    double scale = HOEHE / 2 / (max - min) * 0.9;
+    double[] x = new double[BREITE], y = new double[BREITE];
+    Arrays.parallelSetAll(x, i -> i);
+    Arrays.parallelSetAll(y, i -> curve[i] * scale + HOEHE / 4);
+    GraphicsContext g = canvas.getGraphicsContext2D();
+    g.setLineWidth(2); g.strokePolyline(x, y, BREITE);
+    return canvas;
+  }
+}
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
new file mode 100644
index 0000000..c970546
--- /dev/null
+++ b/src/main/java/module-info.java
@@ -0,0 +1,4 @@
+open module edu.thi.phga.aparapi_test {
+  requires javafx.controls;
+  requires aparapi;
+}
\ No newline at end of file