more example moving

java/examples/Books/Processing Handbook/Extensions/Print/Ex_04/Ex_04.pde

@@ -0,0 +1,22 @@
+import processing.pdf.*; // Import PDF code
+
+void setup() {
+  size(600, 600);
+  background(255);
+}
+
+void draw() {
+  stroke(0, 20);
+  strokeWeight(20);
+  line(mouseX, 0, width - mouseY, height);
+}
+
+void keyPressed() {
+  if (key == 'B' || key == 'b') { // When 'B' or 'b' is pressed,
+    beginRecord(PDF, "lines.pdf"); // start recording to the PDF
+    background(255); // Set a white background
+  } else if (key == 'E' || key == 'e') { // When 'E' or 'e' is pressed,
+    endRecord(); // stop recording the PDF and
+    exit(); // quit the program
+  }
+}