Februar 23, 2012

PImage img;
boolean showPic = true;
int[] r, g, b;
int maxColor;

void setup() {
img = loadImage("hunde.jpg");
size(img.width, img.height);

r = new int[256];
g = new int[256];
b = new int[256];

loadPicture();
noStroke();
smooth();

}

void loadPicture() {
// new pixels
img.loadPixels();
// get pixels
for (int x = 0; x < img.width; x++ ) {
for (int y = 0; y</pre>
<img alt="" />
<pre> maxColor) {
maxColor = g[i];
}
if(b[i] &gt; maxColor) {
maxColor = b[i];
}
}

}

void draw() {
background(0);
image(img, 0, 0);
if (!showPic) {
fill(0,200);
rect(0,0,width,height);
for (int i = 0;i&lt;r.length;i++) {
stroke(255, 0, 0,200);
line(i*2, height, i*2, height-r[i]*height/maxColor);
stroke(0, 255, 0,200);
line(i*2, height, i*2, height-g[i]*height/maxColor);
stroke(0, 0, 255,200);
line(i*2, height, i*2, height-b[i]*height/maxColor);
}
}
}

void keyPressed() {
if (key == &#039; &#039;) {
showPic = !showPic;
}
}