hi,
I am trying to dynamically mask an image, but I find that the mask is applied just one time, and does not update after that. Even though I am changing the mask each time in the draw() function.

Can someone please tell me what I'm missing?

thanks,
arun


Code:

PImage img;
int[] imgMask;

void setup() {
  size(320, 240);
  img = loadImage("test.jpg");
  imgMask = new int[320*240];
  frameRate(24);
}

void draw() {
  color band1;
  color band2;
  if (random(0,2) > 1.0) { //select white or black
    band1 = color(0);	//bands at random
    band2 = color(255);
    println("black-white"); //debug test to see if it does
  } else {		//print both black-white & white-black
    band1 = color(255); //in the console ie. mask is
    band2 = color(0);   //being changed.
    println("white-black");
  }

  for (int i=0; i < (320*240); i++) { 
    if (floor(i/width) % 5 == 0) {   //every 5th row is
	  imgMask[i] = band1;	  //band1
    } else {			    //others are
	  imgMask[i] = band2;	 //band 2
    }
  }
}
 

Sorry, I missed adding that code to the end of the sketch. I do have the following at the end of the draw function:

img.mask(imgMask);
image(img, 0, 0);

But it still does not work.

I'm using 0135. I tried 0144, but got errors about JDK not being found, all though I have JDK 1.6 installed on WinXP-Prof.

I'm downloading the 0144 with JDK version to see if that works.

In your script while launching processing, how are you checking for JDK being installed? Are you looking for a JAVA_HOME environment variable, or checking to see if javac exists?