import gab.opencv.*;

OpenCV opencv;

PImage before, after, grayDiff;

//PImage colorDiff;

void setup() {

before = loadImage("before.jpg");

after = loadImage("after.jpg");

size(640, 480);

opencv = new OpenCV(this, before);

opencv.diff(after);

grayDiff = opencv.getSnapshot();

// opencv.useColor();

// opencv.loadImage(after);

// opencv.diff(after);

// colorDiff = opencv.getSnapshot();

}

void draw() {

pushMatrix();

scale(0.5);

image(before, 0, 0);

image(after, before.width, 0);

// image(colorDiff, 0, before.height);

image(grayDiff, before.width, before.height);

popMatrix();

fill(255);

text("before", 10, 20);

text("after", before.width/2 +10, 20);

text("gray diff", before.width/2 + 10, before.height/2+ 20);

// text("color diff", 10, before.height/2+ 20);

}