/**
* Layout the receiver. This method set insideBounds & insets according to bounds. Insets is
* borderWidth + spacing.
*
* @see updateDrawableBounds
*/
protected void layoutComponent() {
Insets in = (Insets) getInsets().clone();
in.top += spacing.top;
in.left += spacing.left;
in.bottom += spacing.bottom;
in.right += spacing.right;
Dimension d = getSize();
insideBounds.setBounds(
in.left, in.top, d.width - in.left - in.right, d.height - in.top - in.bottom);
updateDrawableBounds();
}
/** Update the drawableBounds member according to insideBounds and spacing. */
protected void updateDrawableBounds() {
// here, we would like to avoid Rectangle creation
drawableBounds.x = insideBounds.x - spacing.left;
drawableBounds.y = insideBounds.y - spacing.top;
drawableBounds.width = insideBounds.width + spacing.left + spacing.right;
drawableBounds.height = insideBounds.height + spacing.top + spacing.bottom;
Dimension d = getDepth();
backRectangle.setToBackRectangleOf(insideBounds, d);
frontRectangle.setToFrontRectangleOf(insideBounds, d);
}