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/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2017, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML 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 for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml;
public class BasicEnsureVisible implements EnsureVisible {
private double minX = Double.MAX_VALUE;
private double maxX = -Double.MAX_VALUE;
private double minY = Double.MAX_VALUE;
private double maxY = -Double.MAX_VALUE;
public void ensureVisible(double x, double y) {
if (x > maxX) {
maxX = x;
}
if (x < minX) {
minX = x;
}
if (y > maxY) {
maxY = y;
}
if (y < minY) {
minY = y;
}
}
public String getCoords(double scale) {
if (minX == Double.MAX_VALUE) {
return "0,0,0,0";
}
final int x1 = (int) (minX * scale);
final int y1 = (int) (minY * scale);
final int x2 = (int) (maxX * scale);
final int y2 = (int) (maxY * scale);
return "" + x1 + "," + y1 + "," + x2 + "," + y2;
}
public double getSurface() {
if (minX == Double.MAX_VALUE) {
return 0;
}
return (maxX - minX) * (maxY - minY);
}
}
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