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/*
* Copyright (c) 2012, 2018, 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.scene.transform;
/**
* Specifies type of transformation matrix.
* @since JavaFX 8.0
*/
public enum MatrixType {
/**
* A 2D affine transformation matrix of 2 rows and 3 columns. Contains
* the following values:
*
* mxx, mxy, tx,
* myx, myy, ty
*
*/
MT_2D_2x3(2, 3),
/**
* A 2D transformation matrix of 3 rows and 3 columns. For affine transforms
* the last line is constant, so the matrix contains the following values:
*
* mxx, mxy, tx,
* myx, myy, ty,
* 0, 0, 1
*
*/
MT_2D_3x3(3, 3),
/**
* A 3D affine transformation matrix of 3 rows and 4 columns. Contains
* the following values:
*
*/
MT_3D_3x4(3, 4),
/**
* A 3D transformation matrix of 4 rows and 4 columns. For affine transforms
* the last line is constant, so the matrix contains the following values:
*
*/
MT_3D_4x4(4, 4);
private int rows;
private int cols;
private MatrixType(int rows, int cols) {
this.rows = rows;
this.cols = cols;
}
/**
* Returns the number of elements in the matrix of this type.
* @return the number of elements in the matrix of this type
*/
public int elements() {
return rows * cols;
}
/**
* Returns the number of rows in the matrix of this type.
* @return the number of rows in the matrix of this type
*/
public int rows() {
return rows;
}
/**
* Returns the number of columns in the matrix of this type.
* @return the number of columns in the matrix of this type
*/
public int columns() {
return cols;
}
/**
* Specifies if this is a 2D transformation matrix
* @return true if this is a 2D transformation matrix, false if this
* is a 3D transformation matrix
*/
public boolean is2D() {
return this == MT_2D_2x3 || this == MT_2D_3x3;
}
}
