
uk.org.okapibarcode.backend.Hexagon Maven / Gradle / Ivy
/*
* Copyright 2014 Robin Stuart
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package uk.org.okapibarcode.backend;
/**
* Calculate a set of points to make a hexagon
*
* @author Robin Stuart
*/
public class Hexagon {
private static final double INK_SPREAD = 1.25;
private static final double[] OFFSET_X = { 0.0, 0.86, 0.86, 0.0, -0.86, -0.86 };
private static final double[] OFFSET_Y = { 1.0, 0.5, -0.5, -1.0, -0.5, 0.5 };
public final double centreX;
public final double centreY;
public final double[] pointX = new double[6];
public final double[] pointY = new double[6];
public Hexagon(double centreX, double centreY) {
this.centreX = centreX;
this.centreY = centreY;
for (int i = 0; i < 6; i++) {
pointX[i] = centreX + (OFFSET_X[i] * INK_SPREAD);
pointY[i] = centreY + (OFFSET_Y[i] * INK_SPREAD);
}
}
}
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