/*
* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.java2d.pisces;
public class Transform4 {
public int m00, m01, m10, m11;
// double det; // det*65536
public Transform4() {
this(1 << 16, 0, 0, 1 << 16);
}
public Transform4(int m00, int m01,
int m10, int m11) {
this.m00 = m00;
this.m01 = m01;
this.m10 = m10;
this.m11 = m11;
// this.det = (double)m00*m11 - (double)m01*m10;
}
// public Transform4 createInverse() {
// double dm00 = m00/65536.0;
// double dm01 = m01/65536.0;
// double dm10 = m10/65536.0;
// double dm11 = m11/65536.0;
// double invdet = 65536.0/(dm00*dm11 - dm01*dm10);
// int im00 = (int)( dm11*invdet);
// int im01 = (int)(-dm01*invdet);
// int im10 = (int)(-dm10*invdet);
// int im11 = (int)( dm00*invdet);
// return new Transform4(im00, im01, im10, im11);
// }
// public void transform(int[] point) {
// }
// /**
// * Returns the length of the line segment obtained by inverse
// * transforming the points <code>(x0, y0)</code> and <code>(x1,
// * y1)</code>.
// */
// public int getTransformedLength(int x0, int x1, int y0, int y1) {
// int lx = x1 - x0;
// int ly = y1 - y0;
// double a = (double)m00*ly - (double)m10*lx;
// double b = (double)m01*ly - (double)m11*lx;
// double len = PiscesMath.sqrt((a*a + b*b)/(det*det));
// return (int)(len*65536.0);
// }
// public int getType() {
// }
}