/* * Copyright 2014-15 Skynav, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY SKYNAV, INC. AND ITS CONTRIBUTORS “AS IS” AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL SKYNAV, INC. OR ITS CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package com.skynav.ttpe.geometry; import static com.skynav.ttpe.geometry.Axis.*; import static com.skynav.ttpe.geometry.Dimension.*; import static com.skynav.ttpe.geometry.Direction.*; public enum WritingMode { LRTB, // left to right inline, top to bottom lines RLTB, // right to left inline, top to bottom lines TBRL, // top to bottom inline, right to left lines TBLR; // top to bottom inline, left to right lines public Axis getAxis(Dimension dimension) { if (isHorizontal()) { return dimension == IPD ? HORIZONTAL : VERTICAL; } else { return dimension == IPD ? VERTICAL : HORIZONTAL; } } public boolean isHorizontal() { return (this == LRTB) || (this == RLTB); } public boolean isVertical() { return !isHorizontal(); } public Direction getDirection(Dimension dimension) { if (dimension == IPD) { if (this == LRTB) return LR; else if (this == RLTB) return RL; else return TB; } else if (dimension == BPD) { if (this == TBLR) return LR; else if (this == TBRL) return RL; else return TB; } else { throw new IllegalStateException(); } } }