diff --git a/build.xml b/build.xml
new file mode 100644
index 0000000..cb47575
--- /dev/null
+++ b/build.xml
@@ -0,0 +1,73 @@
+
+
+
+
+
+
+
+
+
+
+ Builds, tests, and runs the project Aufgabe8_Grafik2D.
+
+
+
diff --git a/manifest.mf b/manifest.mf
new file mode 100644
index 0000000..328e8e5
--- /dev/null
+++ b/manifest.mf
@@ -0,0 +1,3 @@
+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+
diff --git a/nbproject/build-impl.xml b/nbproject/build-impl.xml
new file mode 100644
index 0000000..3a9f41a
--- /dev/null
+++ b/nbproject/build-impl.xml
@@ -0,0 +1,1771 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must set src.dir
+ Must set test.src.dir
+ Must set build.dir
+ Must set dist.dir
+ Must set build.classes.dir
+ Must set dist.javadoc.dir
+ Must set build.test.classes.dir
+ Must set build.test.results.dir
+ Must set build.classes.excludes
+ Must set dist.jar
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must set javac.includes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ No tests executed.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must set JVM to use for profiling in profiler.info.jvm
+ Must set profiler agent JVM arguments in profiler.info.jvmargs.agent
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set javac.includes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ To run this application from the command line without Ant, try:
+
+ java -jar "${dist.jar.resolved}"
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must select one file in the IDE or set debug.class
+
+
+
+
+ Must set fix.includes
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set profile.class
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+
+
+
+
+ This target only works when run from inside the NetBeans IDE.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+
+ Must select one file in the IDE or set run.class
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set javac.includes
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+
+
+
+
+ Must select some files in the IDE or set test.includes
+
+
+
+ Some tests failed; see details above.
+
+
+
+ Must select some files in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+ Some tests failed; see details above.
+
+
+
+
+ Must select one file in the IDE or set test.class
+
+
+
+ Must select one file in the IDE or set test.class
+ Must select some method in the IDE or set test.method
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+ Must select one file in the IDE or set applet.url
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/nbproject/genfiles.properties b/nbproject/genfiles.properties
new file mode 100644
index 0000000..52d1a8f
--- /dev/null
+++ b/nbproject/genfiles.properties
@@ -0,0 +1,8 @@
+build.xml.data.CRC32=1dea3bae
+build.xml.script.CRC32=83be8e95
+build.xml.stylesheet.CRC32=f85dc8f2@1.108.0.48
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=1dea3bae
+nbproject/build-impl.xml.script.CRC32=93f995a5
+nbproject/build-impl.xml.stylesheet.CRC32=12e0a6c2@1.108.0.48
diff --git a/nbproject/project.properties b/nbproject/project.properties
new file mode 100644
index 0000000..3679525
--- /dev/null
+++ b/nbproject/project.properties
@@ -0,0 +1,95 @@
+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processor.options=
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+ ${run.classpath}
+debug.modulepath=\
+ ${run.modulepath}
+debug.test.classpath=\
+ ${run.test.classpath}
+debug.test.modulepath=\
+ ${run.test.modulepath}
+# Files in build.classes.dir which should be excluded from distribution jar
+dist.archive.excludes=
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/Aufgabe8_Grafik2D.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+dist.jlink.dir=${dist.dir}/jlink
+dist.jlink.output=${dist.jlink.dir}/Aufgabe8_Grafik2D
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.external.vm=true
+javac.modulepath=
+javac.processormodulepath=
+javac.processorpath=\
+ ${javac.classpath}
+javac.source=21
+javac.target=21
+javac.test.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+javac.test.modulepath=\
+ ${javac.modulepath}
+javac.test.processorpath=\
+ ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.html5=false
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+# The jlink additional root modules to resolve
+jlink.additionalmodules=
+# The jlink additional command line parameters
+jlink.additionalparam=
+jlink.launcher=true
+jlink.launcher.name=Aufgabe8_Grafik2D
+main.class=aufgabe8_grafik2d.Start
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+ ${javac.classpath}:\
+ ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.modulepath=\
+ ${javac.modulepath}
+run.test.classpath=\
+ ${javac.test.classpath}:\
+ ${build.test.classes.dir}
+run.test.modulepath=\
+ ${javac.test.modulepath}
+source.encoding=UTF-8
+src.dir=src
+test.src.dir=test
diff --git a/nbproject/project.xml b/nbproject/project.xml
new file mode 100644
index 0000000..5da982f
--- /dev/null
+++ b/nbproject/project.xml
@@ -0,0 +1,15 @@
+
+
+ org.netbeans.modules.java.j2seproject
+
+
+ Aufgabe8_Grafik2D
+
+
+
+
+
+
+
+
+
diff --git a/src/aufgabe8_grafik2d/Start.java b/src/aufgabe8_grafik2d/Start.java
new file mode 100644
index 0000000..d0462c2
--- /dev/null
+++ b/src/aufgabe8_grafik2d/Start.java
@@ -0,0 +1,45 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Main.java to edit this template
+ */
+
+package aufgabe8_grafik2d;
+
+import java.awt.Container;
+import javax.swing.JFrame;
+import javax.swing.OverlayLayout;
+import javax.swing.WindowConstants;
+
+/**
+ *
+ * @author ahren
+ */
+public class Start
+{
+ public Start()
+ {
+ JFrame frm = new JFrame();
+ frm.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
+ Container c = frm.getContentPane();
+
+ c.setLayout(new OverlayLayout(c));
+ for (int i = 0; i < 100; i++)
+ {
+ long schlafzeit = (long)(1 + 100*Math.random());
+ Zeiger papier = new Zeiger(schlafzeit);
+ papier.setOpaque(false);
+ c.add(papier);
+ papier.start();
+ }
+ frm.setSize(1000, 900);
+
+ frm.setVisible(true);
+
+ }
+
+ public static void main(String[] args)
+ {
+ new Start();
+ }
+
+}
diff --git a/src/aufgabe8_grafik2d/Zeiger.java b/src/aufgabe8_grafik2d/Zeiger.java
index c680f9f..e37c19a 100644
--- a/src/aufgabe8_grafik2d/Zeiger.java
+++ b/src/aufgabe8_grafik2d/Zeiger.java
@@ -5,6 +5,15 @@
package aufgabe8_grafik2d;
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.geom.Line2D;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
import javax.swing.JComponent;
/**
@@ -13,13 +22,87 @@ import javax.swing.JComponent;
*/
public class Zeiger extends JComponent implements Runnable
{
- public Zeiger()
- {
+ private static final float DICKE = 4f;
+ private Line2D.Float linie;
+ private BasicStroke stift;
+ private volatile float radius;
+ private volatile float minRadius;
+ private volatile float maxRadius;
+ private long schlafzeit;
+ private ExecutorService eService;
+ private Future task;
+ public Zeiger(long schlafzeit)
+ {
+ this.schlafzeit = schlafzeit;
+ linie = new Line2D.Float();
+ stift = new BasicStroke(DICKE);
+ radius = 100;
+ minRadius = DICKE;
+ eService = Executors.newSingleThreadExecutor();
+ task = null;
}
@Override
public void run()
{
+ float delta = 1f;
+ while(true)
+ {
+ synchronized(this)
+ {
+ if (radius > maxRadius) delta = -1f;
+ if (radius < minRadius) delta = +1f;
+ radius += delta;
+ }
+ this.repaint();
+ try
+ {
+ Thread.sleep(schlafzeit);
+ }
+ catch (Exception ex)
+ {
+ //lg.severe(ex.toString());
+ }
+ }
}
+
+ public void start()
+ {
+ if (task == null)
+ {
+ task = eService.submit(this);
+ }
+ }
+ @Override
+ public void paintComponent(Graphics g)
+ {
+ super.paintComponent(g);
+ Graphics2D g2 = (Graphics2D)g;
+
+ g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+ RenderingHints.VALUE_ANTIALIAS_ON);
+
+ float breite = this.getWidth() - 1;
+ float hoehe = this.getHeight() - 1;
+
+ synchronized(this)
+ {
+ maxRadius = -DICKE/2 + Math.min(breite, hoehe) / 2;
+ }
+
+ float x = breite/2 - radius;
+ float y = hoehe/2 - radius;
+
+ linie.setFrame(x, y, 2*radius, 2*radius);
+
+ g2.setStroke(stift);
+ g2.setPaint(Color.RED);
+// g2.fill(ellipse);
+// g2.setPaint(Color.BLACK);
+ g2.draw(linie);
+ }
+
}
+
+