Java Graphics示例

示例#1

文件： MiniMusicPlayer3.java 项目： ehphan/HFJava

    public void paintComponent(Graphics g) {
      if (msg) {

        Graphics2D g2 = (Graphics2D) g;

        int r = (int) (Math.random() * 250);
        int gr = (int) (Math.random() * 250);
        int b = (int) (Math.random() * 250);

        g.setColor(new Color(r, gr, b));

        int ht = (int) ((Math.random() * 120) + 10);
        int width = (int) ((Math.random() * 120) + 10);

        int x = (int) ((Math.random() * 40) + 10);
        int y = (int) ((Math.random() * 40) + 10);

        g.fillRect(x, y, ht, width);
        msg = false;
      }
    }

示例#2

文件： MiniMusikPlayer3.java 项目： Finchen-Ina/Learning

    public void paintComponent(Graphics g) {
      if (msg) {

        Graphics2D g2 = (Graphics2D) g;

        int r = (int) (Math.random() * 250);
        int gr = (int) (Math.random() * 250);
        int b = (int) (Math.random() * 250);

        g.setColor(new Color(r, gr, b));

        int höhe = (int) ((Math.random() * 120) + 10);
        int breite = (int) ((Math.random() * 120) + 10);

        int x = (int) ((Math.random() * 40) + 10);
        int y = (int) ((Math.random() * 40) + 10);

        g.fillRect(x, y, höhe, breite);
        msg = false;
      } // Ende der if-Verzweigung
    } // Methode schließen