fixed a bug that caused the program to crash when trying to render the last page of a notebook with an even amount of pages

Notebook.pde

@@ -46,7 +46,6 @@ String getMonth(int id) {
 }
 
 
-ArrayList<Notebook> notebooks = new ArrayList<Notebook>();
 
 void createNotebooks() {
   File datafolder = new File(dataPath("") + "/Notizhefte");

Slide.pde

@@ -9,12 +9,9 @@ PImage Slide(int notebookID, int pageNumber) {
   result.image(leftPage, 0, 0, result.width/2, result.height);
   result.image(rightPage, result.width/2, 0, result.width/2, result.height);
   result.endDraw();
-  PImage res = createImage(width, height, ARGB);
-  res = result.get();
-  return res;
+  return result.get();
 }
 
-boolean transition;
 
 void nextSlide() {
   transition = true;
@@ -25,10 +22,11 @@ void nextSlide() {
     if (currentSlideNo > notebooks.get(currentNotebookNo).imagepaths.length-1) {
       currentSlideNo = 0;
       currentNotebookNo++;
+      if(currentNotebookNo == notebooks.size()) currentNotebookNo = 0;
     }
   } else if (mode == RANDOM) {
     currentNotebookNo = (int)random(notebooks.size());
-    currentSlideNo = (int)random(notebooks.get(currentNotebookNo).imagepaths.length);
+    currentSlideNo = (int)random(notebooks.get(currentNotebookNo).imagepaths.length-1);
     if (currentSlideNo %2 != 0) {
       currentSlideNo -= 1;
     }

data/save.sav

@@ -1,2 +1,2 @@
+168
 0
-8

notizheftanzeiger.pde

@@ -2,17 +2,20 @@ import java.util.*;
 
 //////// Config
 
-int mode = NORMAL; //NORMAL or RANDOM order
-float timerTime = 5000; //in milliseconds how long slide is shown
-float transitionTime = 3000; //how long it takes to fade the next slide in. must not be greater than "timerTime"
+int mode = RANDOM; //NORMAL or RANDOM order
+float timerTime = 250; //in milliseconds how long slide is shown
+float transitionTime = 100; //how long it takes to fade the next slide in. must not be greater than "timerTime"
 boolean displayText = true; //if the "date" should be written on screen
 boolean displayTimeline = true; //if the timeline should be drawn on screen
+
 //
 
 Timer timer;
+ArrayList<Notebook> notebooks = new ArrayList<Notebook>();
 PImage currentSlide, nextSlide;
 int currentNotebookNo, currentSlideNo;
 int startTransitionTime;
+boolean transition;
 float transitionProgress;
 final static int NORMAL = 0;
 final static int RANDOM = 1;