This example is for Processing 3+. If you have a previous version, use the examples included with your software. If you see any errors or have suggestions, please let us know.

Save One Image

The save() function allows you to save an image from the display window. In this example, save() is run when a mouse button is pressed. The image "line.tif" is saved to the same folder as the sketch's program file.

void setup() {
  size(200, 200);

void draw() {
  line(0, 0, mouseX, height);
  line(width, 0, 0, mouseY);

void mousePressed() {