Coord.java 文件源码

private void computeAffineTransforms() {
    if (natoceni == 0) {
        tam = null;
        zpet = null;
        return;
    }
    final AffineTransform tra = new AffineTransform();
    final double widthPul = (double) dim.width / 2;
    final double heightPul = (double) dim.height / 2;
    tra.translate(widthPul, heightPul);
    tra.rotate(natoceni);
    tra.translate(-widthPul, -heightPul);
    tam = tra;
    try {
        zpet = tam.createInverse();
    } catch (final NoninvertibleTransformException e) {
        throw new RuntimeException(e);
    }
}