PImage imgLogo;
PImage imgTextur;
PFont font;

void setup() {
  // set size
  size(500,333);
  
  // load font
  font = loadFont("HelveticaNeue-Bold-20.vlw");
  textFont(font);
  
  // load images
  background(loadImage("masaimara.jpg"));
  imgLogo = loadImage("logo2.png");
  fill(255,255,255,100);
  text("Press 0 to 9 to apply blend effects", 90, 50);
}

void draw() {
}

void keyPressed() {
  if (key == '1') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, ADD);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Additive", 10, 30);
  } else if (key == '2') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, SUBTRACT);
    fill(100,100,100,200);
    text("Overlay/Blend effect: Subtract", 10, 30);
  } else if (key == '3') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, MULTIPLY);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Multiply", 10, 30);
  } else if (key == '4') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, EXCLUSION);
    fill(200,200,200,100);
    text("Overlay/Blend effect: Exlusion", 10, 30);
  } else if (key == '5') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, DIFFERENCE);
    fill(200,200,200,100);
    text("Overlay/Blend effect: Difference", 10, 30);
  } else if (key == '6') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, SCREEN);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Screen (opposite of Multiply)", 10, 30);
  } else if (key == '7') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, OVERLAY);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Additive", 10, 30);
  } else if (key == '8') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, HARD_LIGHT);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Hard Light", 10, 30);
  } else if (key == '9') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, DODGE);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Dodge\n(lightens tones, increases contrast, ignores darks)", 10, 30);
  } else if (key == '0') {
    background(loadImage("masaimara.jpg"));
    blend(imgLogo, 0, 0, width, height, 0, 0, width, height, LIGHTEST);
    fill(100,100,100,100);
    text("Overlay/Blend effect: Lightest", 10, 30);
  }
}