使用Java绘制旋转的ImageIcon

Question

I have ImageIcon face , I don't know how to use command rotate to rotate player face. I know that the rotation is for point 0, 0 . But how to use for rotate only one item?

My code is:

int size = 40;
int angle = getAngle(); // in degree...

g2.rotate(Math.toRadians((double)angle); //????????
g2.drawImage(face.getImage(), size * col, size * row, null);

Can anyone advise me?

Thank you.

Answer 1

You can use the Rotated Icon class to change the degrees of rotation of the Icon when painting it. The RotatedIcon class can be used to rotate an Icon on any component that uses Icons.

You can also custom paint the RotatedIcon on a panel using code like the following:

1) You would create the Icon something like:

RotatedIcon face = new RotatedIcon(new ImageIcon(...), 0);

2) Then in your painting code you use:

face.paintIcon(this, g2, x, y); // determine you x/y location

3) When you want to rotate the icon you use:

face.setDegrees(...);
panel.repaint(); // then panel where you do the custom painting