Processing.js

TileImages

Draws an image larger than the screen by tiling it into small sections. The scaleValue variable sets amount of scaling: 1 is 100%, 2 is 200%, etc.

Original Processing.org Example: TileImages

// All Examples Written by Casey Reas and Ben Fry
// unless otherwise stated.
int scaleValue = 3;  // Multiplication factor
int xoffset = 0;     // x-axis offset
int yoffset = 0;     // y-axis offset

void setup() 
{
  size(600, 600);
  stroke(0, 100);
}

void draw() 
{
  scale(scaleValue);
  translate(xoffset *(-width / scaleValue), yoffset *(-height / scaleValue));
  line(10, 150, 500, 50);
  line(0, 600, 600, 0);
  setOffset();
}

void setOffset() 
{
  save("lines-" + xoffset + "-" + yoffset + ".jpg");
  xoffset++;
  if (xoffset == scaleValue) {
    xoffset = 0;
    yoffset++;
    if (yoffset == scaleValue) {
      exit();
    }
  }
  background(204);
}