1 files changed, 26 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/update2.inc b/Master/Reference Architectures and Patterns/hjp5/examples/update2.inc
new file mode 100644
index 0000000..e0a9379
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/update2.inc
@@ -0,0 +1,26 @@
+/* update2.inc */
+
+public void update(Graphics g)
+{
+  //Double-Buffer initialisieren
+  if (dbImage == null) {
+    dbImage = createImage(
+     this.getSize().width,
+     this.getSize().height
+    );
+    dbGraphics = dbImage.getGraphics();
+  }
+  //Hintergrund löschen
+  dbGraphics.setColor(getBackground());
+  dbGraphics.fillRect(
+    0,
+    0,
+    this.getSize().width,
+    this.getSize().height
+  );
+  //Vordergrund zeichnen
+  dbGraphics.setColor(getForeground());
+  paint(dbGraphics);
+  //Offscreen anzeigen
+  g.drawImage(dbImage,0,0,this);
+}
+\ No newline at end of file