File not found using surface.setIcon(icon) in public class test extends PApplet

Processing Coding Questions
5

Your question is marked ‘homework’ so according to forum rules we cannot give you a “full code” solution.

The following is the approach that I would use:

  1. Delete “public”; not necessary.
  2. Change name of test class to class Test extends PApplet.
  3. Inside of class Test create a Test() function.
  4. Inside of Test() add the following:
  PApplet.runSketch(new String[]{this.getClass().getName()}, this);
  surface.setTitle("PApplet");
  String imgPath = "Users/yourName/Documents/Processing/sketchFolderName/data/logo.png";
  img = loadImage(imgPath);  // 加载图片
  if (img == null) {
    println("图片加载失败！");
  }
  1. Add a settings() function to your Test class:
 void settings() {
    size(400, 400, P2D);
  }
  1. Inside of draw() call the image: image(img,0,0)
  2. Delete the ‘main’ function and replace it with a separate setup() function outside of the Test class.
  3. Inside of the separate setup() call the new Test() like this: Test test = new Test();
  4. Inside of the separate setup() use surface.setVisible(false); if you don’t want to see the default Processing window.

I know it’s a lot, but I hope it helps you.

Addendum:
The question title suggests that you are interested in surface.setIcon(). If that is the case, and you are using the Windows operating system the following reference may be helpful:

1 Like