PImage b;


String currentWidth;
String currentHeight;
String currentImage;
int diffW;
int diffH;
int imageW;
int imageH;
int setX;
int setY;
void setup() {
  background(0);
  size(1024,768);
  
}

void draw() {
  background(0);
  getLinks("i","$","#");

  getLinks("w","%","@");
  getLinks("h","*","+");
  
  println("currentImage " + currentImage);
  println("currentWidth " + currentWidth);
  println("currentHeight " + currentHeight);
  
 
  b = loadImage(currentImage);
  
 imageW =  int(currentWidth);
  imageH =  int(currentHeight);
  setX = (width - imageW)/2;
  setY = (height - imageH)/2;
  
  
  
  
  image(b,setX,setY,imageW,imageH);
  
  
  
  //image(b, (width-int(currentWidth))/2,(height-int(currentHeight))/2,width,height);
 // println("timer");
  delay(10000);  // Stops the program for 250 milliseconds
  
}

void getLinks(String _get, String _lookFor, String _end) {
 String url = "http://www.susanbuck.net/photoFrame/index.asp";                           // RSS FEED TO LOOK AT, SHOWS MY TEN MOST RECENT BOOKMARKS
  String[] lines = loadStrings(url);                                         // LOAD THAT URL
  String rss = join(lines, " ");                                             // COMBINE RSS FEED INTO ONE STRING
  String lookFor = _lookFor;                                  // BEGINNING TAG OF A LINK
  String end = _end;                                                         // END TAG OF A LINK

  // VARIABLES
  int lookPastThisPoint = 0;                                                 // "CURSOR" OF WHERE IN THE STRING WE'RE LOOKING (SO WE CAN MOVE ALONG THROUGH THE STRING).                    
  int startPoint;                                                            // WHERE SUBSTRING WILL START                                                     
  int endPoint;                                                              // WHERE SUBSTRING WILL END
  //String[] tenLinks = new String[10];                                        // ARRAY TO HOLD 10 LINKS


                                                // LOOP 10 TIMES
    startPoint = rss.indexOf(lookFor,lookPastThisPoint);                     // GET STARTING POINT BY FINDING THE INDEX OF WHERE START STRING BEGINS
                                                                             // THE indexOf FUNCTION CAN BE GIVEN A SECOND VALUE TELLING IT WHERE TO START -
                                                                             // SINCE WE NEED TO PROGRESS THROUGH THE STRING, THE VAR lookPastThisPoint ACTS AS A CURSOR
                                                                             // SO THAT EACH TIME THROUGH THE LOOP WE ONLY LOOK FORWARD FROM THAT CURSOR
                                                                             
    startPoint += lookFor.length(); // move to the end                       // LAST LINE GAVE THE START OF THE STRING, BUT NEED TO MOVE TO THE END OF THAT STRING

    endPoint = rss.indexOf(end,lookPastThisPoint);                           // GET END POINT, AGAIN ONLY LOOKING PAST WHERE OUR CURSOR IS

    if (_get == "i") {
    
    currentImage = rss.substring(startPoint,endPoint);                        // PUT WHATEVER FALLS BETWEEN OUR startPoint AND endPoint into the array
    }
    
    if (_get == "w") {
    
    currentWidth = rss.substring(startPoint,endPoint);                        // PUT WHATEVER FALLS BETWEEN OUR startPoint AND endPoint into the array
    }
    
    if (_get == "h") {
    
    currentHeight = rss.substring(startPoint,endPoint);                        // PUT WHATEVER FALLS BETWEEN OUR startPoint AND endPoint into the array
    }
    
   // println(_get);
    //lookPastThisPoint = endPoint + 2;                                        // END POINT IS LOOKING AT THE "/" IN OUR END STRING "/>" SO MOVE THE CURSOR OVER 2 
     
  
 
}